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    User NameMikhail Zhizhin
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    User Last Activity2009-02-04T16:36:42
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    Zhongshan (ZS36R) Added: 2008-09-03T10:22:28
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2663 time(s); is stored in: 0 basket(s); 0 replies
    Yamagawa (YG431) Added: 2008-09-03T10:22:26
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2665 time(s); is stored in: 0 basket(s); 0 replies
    Yellowknife (YE862) Added: 2008-09-03T10:22:25
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2594 time(s); is stored in: 0 basket(s); 0 replies
    Yakutsk (YA462) Added: 2008-09-03T10:22:24
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2637 time(s); is stored in: 1 basket(s); 0 replies
    Artica-NP19 (XP) Added: 2008-09-03T10:22:23
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3417 time(s); is stored in: 0 basket(s); 0 replies
    Artica-NP16 (XM676) Added: 2008-09-03T10:22:22
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3398 time(s); is stored in: 0 basket(s); 0 replies
    Artica-NP13 (XL) Added: 2008-09-03T10:22:20
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3420 time(s); is stored in: 0 basket(s); 0 replies
    Artica-NP11 (XK) Added: 2008-09-03T10:22:19
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3395 time(s); is stored in: 0 basket(s); 0 replies
    Artica-NP10 (XJ) Added: 2008-09-03T10:22:18
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3400 time(s); is stored in: 0 basket(s); 0 replies
    Xinxiang (XI434) Added: 2008-09-03T10:22:17
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2612 time(s); is stored in: 0 basket(s); 0 replies
    Artica-NP08 (XI) Added: 2008-09-03T10:22:16
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3402 time(s); is stored in: 0 basket(s); 0 replies
    Artica-NP07 (XHJ86) Added: 2008-09-03T10:22:15
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3395 time(s); is stored in: 0 basket(s); 0 replies
    Artica-NP06 (XG082) Added: 2008-09-03T10:22:13
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3459 time(s); is stored in: 0 basket(s); 0 replies
    Zarya Ship (XF) Added: 2008-09-03T10:22:12
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2656 time(s); is stored in: 0 basket(s); 0 replies
    Soya Ship (XD) Added: 2008-09-03T10:22:11
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1497 time(s); is stored in: 0 basket(s); 0 replies
    Fletchers Ice (XC982) Added: 2008-09-03T10:22:10
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2746 time(s); is stored in: 0 basket(s); 0 replies
    Wyndham Wa (WY41N) Added: 2008-09-03T10:22:09
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2627 time(s); is stored in: 0 basket(s); 0 replies
    Wuhan (WU430) Added: 2008-09-03T10:22:08
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2615 time(s); is stored in: 0 basket(s); 0 replies
    Watheroo (WT43_) Added: 2008-09-03T10:22:06
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2614 time(s); is stored in: 0 basket(s); 0 replies
    White Sands (WS832) Added: 2008-09-03T10:22:05
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2648 time(s); is stored in: 0 basket(s); 0 replies
    Wallops (WP937) Added: 2008-09-03T10:22:04
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 929167 time(s); is stored in: 0 basket(s); 0 replies
    Woomera (WO53J) Added: 2008-09-03T10:22:03
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2613 time(s); is stored in: 0 basket(s); 0 replies
    Wulumuqi (WM344) Added: 2008-09-03T10:22:02
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2614 time(s); is stored in: 0 basket(s); 0 replies
    Wilkes (WL46O) Added: 2008-09-03T10:22:00
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2619 time(s); is stored in: 0 basket(s); 0 replies
    Wakkanai (WK545) Added: 2008-09-03T10:21:59
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2648 time(s); is stored in: 0 basket(s); 0 replies
    Winnipeg (WI949) Added: 2008-09-03T10:21:58
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2641 time(s); is stored in: 0 basket(s); 0 replies
    Wallops Is Vipr (WI937) Added: 2008-09-03T10:21:57
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1497 time(s); is stored in: 0 basket(s); 0 replies
    Wellen (WE667) Added: 2008-09-03T10:21:56
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2636 time(s); is stored in: 0 basket(s); 0 replies
    Washington (WA938) Added: 2008-09-03T10:21:55
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2666 time(s); is stored in: 0 basket(s); 0 replies
    San Vito (VT139) Added: 2008-09-03T10:21:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930274 time(s); is stored in: 0 basket(s); 0 replies
    Vostok (VO47P) Added: 2008-09-03T10:21:52
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2610 time(s); is stored in: 0 basket(s); 0 replies
    Victoria (VI848) Added: 2008-09-03T10:21:51
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2595 time(s); is stored in: 0 basket(s); 0 replies
    Vanimo (VA50L) Added: 2008-09-03T10:21:50
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 929176 time(s); is stored in: 0 basket(s); 0 replies
    Uppsala (UP158) Added: 2008-09-03T10:21:49
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2644 time(s); is stored in: 0 basket(s); 0 replies
    South Uist (UI057) Added: 2008-09-03T10:21:48
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2652 time(s); is stored in: 0 basket(s); 0 replies
    Ushuaia (UAJ5M) Added: 2008-09-03T10:21:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2592 time(s); is stored in: 0 basket(s); 0 replies
    Podkamennaya (TZ362) Added: 2008-09-03T10:21:45
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 5052 time(s); is stored in: 0 basket(s); 0 replies
    Tiksi Bay (TX471) Added: 2008-09-03T10:21:44
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2627 time(s); is stored in: 0 basket(s); 0 replies
    Trelew (TWJ4L) Added: 2008-09-03T10:21:43
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2643 time(s); is stored in: 0 basket(s); 0 replies
    Townsville (TV51R) Added: 2008-09-03T10:21:42
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 929761 time(s); is stored in: 0 basket(s); 0 replies
    Tucuman (TUJ2O) Added: 2008-09-03T10:21:40
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2656 time(s); is stored in: 0 basket(s); 0 replies
    Tahiti (TT71P) Added: 2008-09-03T10:21:39
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2646 time(s); is stored in: 0 basket(s); 0 replies
    Tsumeb (TS11R) Added: 2008-09-03T10:21:38
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2583 time(s); is stored in: 0 basket(s); 0 replies
    Tromso EISCAT Dynasonde (TR170) Added: 2008-09-03T10:21:37
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1457 time(s); is stored in: 0 basket(s); 0 replies
    Tromso (TR169) Added: 2008-09-03T10:21:36
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 929587 time(s); is stored in: 0 basket(s); 0 replies
    Tashkent (TQ241) Added: 2008-09-03T10:21:34
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2612 time(s); is stored in: 0 basket(s); 0 replies
    Taipeii (TP424) Added: 2008-09-03T10:21:33
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2666 time(s); is stored in: 0 basket(s); 0 replies
    Kokubunji (TO535) Added: 2008-09-03T10:21:32
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2741 time(s); is stored in: 0 basket(s); 0 replies
    Tamanrasset (TN022) Added: 2008-09-03T10:21:31
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2663 time(s); is stored in: 0 basket(s); 0 replies
    Trivandrum (TM308) Added: 2008-09-03T10:21:30
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2627 time(s); is stored in: 0 basket(s); 0 replies
    Terra Nova (TL57N) Added: 2008-09-03T10:21:29
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2691 time(s); is stored in: 0 basket(s); 0 replies
    Tomsk (TK356) Added: 2008-09-03T10:21:27
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1409 time(s); is stored in: 0 basket(s); 0 replies
    Tangerang (TJ40O) Added: 2008-09-03T10:21:26
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2619 time(s); is stored in: 0 basket(s); 0 replies
    Tiruchirapalli (TI311) Added: 2008-09-03T10:21:25
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2622 time(s); is stored in: 0 basket(s); 0 replies
    Thule (THJ77) Added: 2008-09-03T10:21:23
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930098 time(s); is stored in: 0 basket(s); 0 replies
    Tehran (TE236) Added: 2008-09-03T10:21:21
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2661 time(s); is stored in: 0 basket(s); 0 replies
    Tennant Creek (TD42M) Added: 2008-09-03T10:21:20
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2668 time(s); is stored in: 0 basket(s); 0 replies
    Thumba (TC309) Added: 2008-09-03T10:21:19
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2611 time(s); is stored in: 0 basket(s); 0 replies
    Tbilisi (TB142) Added: 2008-09-03T10:21:18
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2640 time(s); is stored in: 0 basket(s); 0 replies
    Talara (TA90M) Added: 2008-09-03T10:21:17
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2640 time(s); is stored in: 0 basket(s); 0 replies
    Schwarzenburg (SZ045) Added: 2008-09-03T10:21:15
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2648 time(s); is stored in: 0 basket(s); 0 replies
    Salisbury/rhod (SY11P) Added: 2008-09-03T10:21:14
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2668 time(s); is stored in: 0 basket(s); 0 replies
    San Diego (SX834) Added: 2008-09-03T10:21:13
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2653 time(s); is stored in: 0 basket(s); 0 replies
    Syowa Base (SW16R) Added: 2008-09-03T10:21:12
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2645 time(s); is stored in: 0 basket(s); 0 replies
    Sverdlovsk (SV256) Added: 2008-09-03T10:21:11
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2629 time(s); is stored in: 0 basket(s); 0 replies
    Seoul (SU437) Added: 2008-09-03T10:21:10
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2691 time(s); is stored in: 0 basket(s); 0 replies
    Stanford (ST837) Added: 2008-09-03T10:21:08
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2647 time(s); is stored in: 0 basket(s); 0 replies
    San Salvador (SSJ24) Added: 2008-09-03T10:21:07
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2666 time(s); is stored in: 0 basket(s); 0 replies
    Salisbury (SR53M) Added: 2008-09-03T10:21:06
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2660 time(s); is stored in: 0 basket(s); 0 replies
    Scott Base (SQ67Q) Added: 2008-09-03T10:21:05
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930159 time(s); is stored in: 0 basket(s); 0 replies
    Sofia (SQ143) Added: 2008-09-03T10:21:04
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2671 time(s); is stored in: 0 basket(s); 0 replies
    Sao Paulo (SPJ2L) Added: 2008-09-03T10:21:03
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2686 time(s); is stored in: 0 basket(s); 0 replies
    Sodankyla (SO166) Added: 2008-09-03T10:21:01
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2668 time(s); is stored in: 0 basket(s); 0 replies
    San Juan (SNJ3J) Added: 2008-09-03T10:21:00
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2687 time(s); is stored in: 0 basket(s); 0 replies
    Osan AB (SN437) Added: 2008-09-03T10:20:59
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2761 time(s); is stored in: 0 basket(s); 0 replies
    Sondrestrom (SMJ67) Added: 2008-09-03T10:20:58
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930099 time(s); is stored in: 0 basket(s); 0 replies
    Slough (SL051) Added: 2008-09-03T10:20:57
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2687 time(s); is stored in: 0 basket(s); 0 replies
    Sagamore Hill (SKJ41) Added: 2008-09-03T10:20:55
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2675 time(s); is stored in: 0 basket(s); 0 replies
    St Johns (SJJ47) Added: 2008-09-03T10:20:54
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2676 time(s); is stored in: 0 basket(s); 0 replies
    Singapore (SI301) Added: 2008-09-03T10:20:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2682 time(s); is stored in: 0 basket(s); 0 replies
    Sachs Habour (SH872) Added: 2008-09-03T10:20:52
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2997 time(s); is stored in: 0 basket(s); 0 replies
    South Hedland (SH42_) Added: 2008-09-03T10:20:50
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2666 time(s); is stored in: 0 basket(s); 0 replies
    Shemya (SH123) Added: 2008-09-03T10:20:49
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2674 time(s); is stored in: 0 basket(s); 0 replies
    South Georgia (SGA5M) Added: 2008-09-03T10:20:48
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2660 time(s); is stored in: 0 basket(s); 0 replies
    Seoul (SF144) Added: 2008-09-03T10:20:47
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2701 time(s); is stored in: 0 basket(s); 0 replies
    Seattle (SE847) Added: 2008-09-03T10:20:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2704 time(s); is stored in: 0 basket(s); 0 replies
    Salekhard (SD266) Added: 2008-09-03T10:20:45
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1486 time(s); is stored in: 0 basket(s); 0 replies
    Scherger Raafb (SC51L) Added: 2008-09-03T10:20:43
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2665 time(s); is stored in: 0 basket(s); 0 replies
    Paris-Saclay (SC047) Added: 2008-09-03T10:20:42
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2749 time(s); is stored in: 0 basket(s); 0 replies
    Svalbard (SB079) Added: 2008-09-03T10:20:41
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2662 time(s); is stored in: 0 basket(s); 0 replies
    Sao Luis (SAA0K) Added: 2008-09-03T10:20:40
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2664 time(s); is stored in: 0 basket(s); 0 replies
    Yuzhno Sakhalins (SA547) Added: 2008-09-03T10:20:39
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2637 time(s); is stored in: 0 basket(s); 0 replies
    Rostov (RV149) Added: 2008-09-03T10:20:37
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2683 time(s); is stored in: 0 basket(s); 0 replies
    Rabat (RT034) Added: 2008-09-03T10:20:36
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2676 time(s); is stored in: 0 basket(s); 0 replies
    Rome (RO041) Added: 2008-09-03T10:20:35
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930326 time(s); is stored in: 0 basket(s); 0 replies
    Chilton (RL052) Added: 2008-09-03T10:20:34
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 936829 time(s); is stored in: 0 basket(s); 0 replies
    Reykjavik (RKA64) Added: 2008-09-03T10:20:33
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2657 time(s); is stored in: 0 basket(s); 0 replies
    Resolute Bay (RB974) Added: 2008-09-03T10:20:31
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2667 time(s); is stored in: 0 basket(s); 0 replies
    Rarotonga (RA72J) Added: 2008-09-03T10:20:30
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2709 time(s); is stored in: 0 basket(s); 0 replies
    Quetta (QT230) Added: 2008-09-03T10:20:29
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2693 time(s); is stored in: 0 basket(s); 0 replies
    Sanae (QM07_) Added: 2008-09-03T10:20:28
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2639 time(s); is stored in: 0 basket(s); 0 replies
    Preobrazheniya (PZ374) Added: 2008-09-03T10:20:26
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2715 time(s); is stored in: 0 basket(s); 0 replies
    Port Moresby (PY50R) Added: 2008-09-03T10:20:25
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1464 time(s); is stored in: 0 basket(s); 0 replies
    Platteville (PV842) Added: 2008-09-03T10:20:24
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2695 time(s); is stored in: 0 basket(s); 0 replies
    Panska Ves (PU035) Added: 2008-09-03T10:20:23
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2703 time(s); is stored in: 0 basket(s); 0 replies
    Poitiers (PT046) Added: 2008-09-03T10:20:22
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2729 time(s); is stored in: 0 basket(s); 0 replies
    Port Stanley (PSJ5J) Added: 2008-09-03T10:20:21
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930498 time(s); is stored in: 0 basket(s); 0 replies
    Puerto Rico (PRJ18) Added: 2008-09-03T10:20:19
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1530 time(s); is stored in: 0 basket(s); 0 replies
    Pruhonice (PQ052) Added: 2008-09-03T10:20:18
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930402 time(s); is stored in: 0 basket(s); 0 replies
    South Pole (PO09_) Added: 2008-09-03T10:20:17
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2639 time(s); is stored in: 0 basket(s); 0 replies
    Panama (PN909) Added: 2008-09-03T10:20:16
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2724 time(s); is stored in: 0 basket(s); 0 replies
    Puerto Madryn (PMJ4K) Added: 2008-09-03T10:20:15
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2694 time(s); is stored in: 0 basket(s); 0 replies
    Paramaribo (PMJ06) Added: 2008-09-03T10:20:13
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2720 time(s); is stored in: 0 basket(s); 0 replies
    Baie St Paul (PLJ48) Added: 2008-09-03T10:20:12
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3428 time(s); is stored in: 0 basket(s); 0 replies
    Petropavlovsk (PK553) Added: 2008-09-03T10:20:11
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2709 time(s); is stored in: 0 basket(s); 0 replies
    Pontianak (PK40_) Added: 2008-09-03T10:20:10
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2704 time(s); is stored in: 0 basket(s); 0 replies
    Palehua (PH721) Added: 2008-09-03T10:20:09
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2672 time(s); is stored in: 0 basket(s); 0 replies
    Patrick Afb (PF928) Added: 2008-09-03T10:20:08
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2680 time(s); is stored in: 0 basket(s); 0 replies
    St Peter-ording (PE054) Added: 2008-09-03T10:20:06
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2623 time(s); is stored in: 0 basket(s); 0 replies
    Provideniya Bay (PD664) Added: 2008-09-03T10:20:05
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2651 time(s); is stored in: 0 basket(s); 0 replies
    Port Lockroy (PCJ6M) Added: 2008-09-03T10:20:04
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2696 time(s); is stored in: 0 basket(s); 0 replies
    Patras (PB139) Added: 2008-09-03T10:20:03
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2716 time(s); is stored in: 0 basket(s); 0 replies
    Pietersburg (PB12M) Added: 2008-09-03T10:20:02
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2750 time(s); is stored in: 0 basket(s); 0 replies
    Point Arguello (PA836) Added: 2008-09-03T10:20:00
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930618 time(s); is stored in: 0 basket(s); 0 replies
    Ovejuvo (OVJ16) Added: 2008-09-03T10:19:59
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2694 time(s); is stored in: 0 basket(s); 0 replies
    Ouagadougou (OU012) Added: 2008-09-03T10:19:58
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2723 time(s); is stored in: 0 basket(s); 0 replies
    Ottawa (OT945) Added: 2008-09-03T10:19:56
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2705 time(s); is stored in: 0 basket(s); 0 replies
    Kjeller (OS059) Added: 2008-09-03T10:19:54
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2732 time(s); is stored in: 0 basket(s); 0 replies
    Oslo (OL066) Added: 2008-09-03T10:19:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2694 time(s); is stored in: 0 basket(s); 0 replies
    Okinawa (OK426) Added: 2008-09-03T10:19:52
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2756 time(s); is stored in: 0 basket(s); 0 replies
    Nurmijarvi (NU159) Added: 2008-09-03T10:19:51
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2690 time(s); is stored in: 0 basket(s); 0 replies
    Novosibirsk (NS355) Added: 2008-09-03T10:19:50
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2690 time(s); is stored in: 0 basket(s); 0 replies
    Nairobi (NR10J) Added: 2008-09-03T10:19:49
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2727 time(s); is stored in: 0 basket(s); 0 replies
    Narssarssuaq (NQJ61) Added: 2008-09-03T10:19:47
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 933643 time(s); is stored in: 0 basket(s); 0 replies
    Norilsk (NO369) Added: 2008-09-03T10:19:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2696 time(s); is stored in: 1 basket(s); 0 replies
    Natal (NLA0N) Added: 2008-09-03T10:19:45
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2736 time(s); is stored in: 0 basket(s); 0 replies
    Novokazalinsk (NK246) Added: 2008-09-03T10:19:44
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2689 time(s); is stored in: 0 basket(s); 0 replies
    Norfolk Island (NI63_) Added: 2008-09-03T10:19:43
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 930897 time(s); is stored in: 0 basket(s); 0 replies
    Nord (NDA81) Added: 2008-09-03T10:19:41
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2696 time(s); is stored in: 0 basket(s); 0 replies
    Niue Island (ND61R) Added: 2008-09-03T10:19:40
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 933599 time(s); is stored in: 0 basket(s); 0 replies
    Nicosia (NC136) Added: 2008-09-03T10:19:39
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2818 time(s); is stored in: 1 basket(s); 0 replies
    Miedzeszyn (MZ152) Added: 2008-09-03T10:16:54
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2697 time(s); is stored in: 0 basket(s); 0 replies
    Maynard (MYJ43) Added: 2008-09-03T10:16:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2699 time(s); is stored in: 0 basket(s); 0 replies
    Mexico City (MX919) Added: 2008-09-03T10:16:51
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2718 time(s); is stored in: 0 basket(s); 0 replies
    Mawson (MW26P) Added: 2008-09-03T10:16:49
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 933933 time(s); is stored in: 0 basket(s); 0 replies
    Merida (MVJ08) Added: 2008-09-03T10:16:48
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2735 time(s); is stored in: 0 basket(s); 0 replies
    Mundaring (MU43K) Added: 2008-09-03T10:16:47
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 55037 time(s); is stored in: 0 basket(s); 0 replies
    Madimbo (MU12K) Added: 2008-09-03T10:16:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 934000 time(s); is stored in: 0 basket(s); 0 replies
    Marsh (MSJ6K) Added: 2008-09-03T10:16:45
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2717 time(s); is stored in: 0 basket(s); 0 replies
    Marion Is (MR14O) Added: 2008-09-03T10:16:43
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2699 time(s); is stored in: 0 basket(s); 0 replies
    Macquarie Island (MQ55M) Added: 2008-09-03T10:16:42
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 934002 time(s); is stored in: 0 basket(s); 0 replies
    Moscow (MO155) Added: 2008-09-03T10:16:41
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 613 time(s); is stored in: 0 basket(s); 0 replies
    Manila (MN414) Added: 2008-09-03T10:16:40
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2734 time(s); is stored in: 0 basket(s); 0 replies
    Loparskaya (MM168) Added: 2008-09-03T10:16:39
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3871 time(s); is stored in: 0 basket(s); 0 replies
    Manzhouli (ML449) Added: 2008-09-03T10:16:37
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2710 time(s); is stored in: 0 basket(s); 0 replies
    Mirney (MI36O) Added: 2008-09-03T10:16:36
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2691 time(s); is stored in: 0 basket(s); 0 replies
    Millstone Hill (MHJ45) Added: 2008-09-03T10:16:35
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 933885 time(s); is stored in: 1 basket(s); 0 replies
    Magadan (MG560) Added: 2008-09-03T10:16:33
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1493 time(s); is stored in: 0 basket(s); 0 replies
    Meanook (ME855) Added: 2008-09-03T10:16:32
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2686 time(s); is stored in: 0 basket(s); 0 replies
    Midway Is (MD628) Added: 2008-09-03T10:16:31
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2671 time(s); is stored in: 0 basket(s); 0 replies
    Madras (MD313) Added: 2008-09-03T10:16:30
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2743 time(s); is stored in: 0 basket(s); 0 replies
    Macau (MC422) Added: 2008-09-03T10:16:29
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2679 time(s); is stored in: 0 basket(s); 0 replies
    Michurin (MB140) Added: 2008-09-03T10:16:27
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2673 time(s); is stored in: 0 basket(s); 0 replies
    Maui (MA720) Added: 2008-09-03T10:16:26
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2750 time(s); is stored in: 0 basket(s); 0 replies
    Lycksele (LY164) Added: 2008-09-03T10:16:25
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2716 time(s); is stored in: 0 basket(s); 0 replies
    Lwiro (LW10K) Added: 2008-09-03T10:16:24
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2695 time(s); is stored in: 0 basket(s); 0 replies
    Lunping (LV425) Added: 2008-09-03T10:16:22
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2683 time(s); is stored in: 0 basket(s); 0 replies
    Louisvale (LV12P) Added: 2008-09-03T10:16:21
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 934171 time(s); is stored in: 0 basket(s); 0 replies
    Lulea (LU165) Added: 2008-09-03T10:16:20
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2676 time(s); is stored in: 0 basket(s); 0 replies
    La Posta (LT833) Added: 2008-09-03T10:16:19
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2707 time(s); is stored in: 0 basket(s); 0 replies
    Laverton (LT42P) Added: 2008-09-03T10:16:18
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2706 time(s); is stored in: 0 basket(s); 0 replies
    Lynd River (LR51Q) Added: 2008-09-03T10:16:17
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 5105 time(s); is stored in: 0 basket(s); 0 replies
    La Reunion (LR22J) Added: 2008-09-03T10:16:15
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2673 time(s); is stored in: 0 basket(s); 0 replies
    La Quiaca (LQJ2K) Added: 2008-09-03T10:16:14
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2707 time(s); is stored in: 0 basket(s); 0 replies
    La Paz (LPJ1O) Added: 2008-09-03T10:16:13
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2713 time(s); is stored in: 0 basket(s); 0 replies
    Lannion (LN047) Added: 2008-09-03T10:16:12
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2682 time(s); is stored in: 0 basket(s); 0 replies
    Learmonth (LM42B) Added: 2008-09-03T10:16:11
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 55141 time(s); is stored in: 1 basket(s); 0 replies
    Lindau (LI050) Added: 2008-09-03T10:16:10
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2696 time(s); is stored in: 0 basket(s); 0 replies
    Longuach (LG52L) Added: 2008-09-03T10:16:08
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2690 time(s); is stored in: 0 basket(s); 0 replies
    Longyearbyen (LG178) Added: 2008-09-03T10:16:07
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2722 time(s); is stored in: 0 basket(s); 0 replies
    Lerwick (LE061) Added: 2008-09-03T10:16:06
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2697 time(s); is stored in: 0 basket(s); 0 replies
    Lisbonne (LE038) Added: 2008-09-03T10:16:05
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2686 time(s); is stored in: 0 basket(s); 0 replies
    Leningrad (LD160) Added: 2008-09-03T10:16:04
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2707 time(s); is stored in: 0 basket(s); 0 replies
    Lancaster (LC058) Added: 2008-09-03T10:16:03
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2690 time(s); is stored in: 0 basket(s); 0 replies
    Kinshasa Binza (LB10M) Added: 2008-09-03T10:16:01
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2767 time(s); is stored in: 0 basket(s); 0 replies
    Little America (LA77Q) Added: 2008-09-03T10:16:00
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2688 time(s); is stored in: 0 basket(s); 0 replies
    Kiev (KV151) Added: 2008-09-03T10:15:59
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2670 time(s); is stored in: 0 basket(s); 0 replies
    Saskatoon (KT852) Added: 2008-09-03T10:15:58
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2619 time(s); is stored in: 0 basket(s); 0 replies
    King Salmon (KS759) Added: 2008-09-03T10:15:57
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 934300 time(s); is stored in: 0 basket(s); 0 replies
    Kirtland Afb (KR835) Added: 2008-09-03T10:15:56
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2723 time(s); is stored in: 0 basket(s); 0 replies
    Karaganda (KR250) Added: 2008-09-03T10:15:54
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2713 time(s); is stored in: 0 basket(s); 0 replies
    Kodaikanal (KO310) Added: 2008-09-03T10:15:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2714 time(s); is stored in: 0 basket(s); 0 replies
    Kenora (KN948) Added: 2008-09-03T10:15:52
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2682 time(s); is stored in: 0 basket(s); 0 replies
    Keflavik (KKA63) Added: 2008-09-03T10:15:51
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2710 time(s); is stored in: 0 basket(s); 0 replies
    Kalkaringi (KK41P) Added: 2008-09-03T10:15:50
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2727 time(s); is stored in: 0 basket(s); 0 replies
    Kwajalein (KJ609) Added: 2008-09-03T10:15:49
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 655081 time(s); is stored in: 1 basket(s); 0 replies
    Kerguelen (KG24R) Added: 2008-09-03T10:15:47
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2718 time(s); is stored in: 0 basket(s); 0 replies
    Kodiak (KD758) Added: 2008-09-03T10:15:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2691 time(s); is stored in: 0 basket(s); 0 replies
    Kermadec (KC62R) Added: 2008-09-03T10:15:44
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2684 time(s); is stored in: 0 basket(s); 0 replies
    Khabarovsk (KB548) Added: 2008-09-03T10:15:43
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2746 time(s); is stored in: 0 basket(s); 0 replies
    Karachi (KA225) Added: 2008-09-03T10:15:41
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2701 time(s); is stored in: 0 basket(s); 0 replies
    Juliaca (JUJ1N) Added: 2008-09-03T10:15:40
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2695 time(s); is stored in: 0 basket(s); 0 replies
    Juliusruh (JR055) Added: 2008-09-03T10:15:38
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 934679 time(s); is stored in: 0 basket(s); 0 replies
    Johannesburg (JO12O) Added: 2008-09-03T10:15:37
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2705 time(s); is stored in: 0 basket(s); 0 replies
    St James (JM) Added: 2008-09-03T10:15:36
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2638 time(s); is stored in: 0 basket(s); 0 replies
    Jicamarca (JI91J) Added: 2008-09-03T10:15:34
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 470106 time(s); is stored in: 1 basket(s); 0 replies
    Jamaica (JA918) Added: 2008-09-03T10:15:33
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2731 time(s); is stored in: 0 basket(s); 0 replies
    Tananarive (IV21Q) Added: 2008-09-03T10:15:32
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2620 time(s); is stored in: 0 basket(s); 0 replies
    Islamabad (IS233) Added: 2008-09-03T10:15:31
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2723 time(s); is stored in: 0 basket(s); 0 replies
    Istanbul (IS141) Added: 2008-09-03T10:15:30
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2782 time(s); is stored in: 0 basket(s); 0 replies
    Irkutsk (IR352) Added: 2008-09-03T10:15:29
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2757 time(s); is stored in: 1 basket(s); 0 replies
    Inverness (IN056) Added: 2008-09-03T10:15:27
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2716 time(s); is stored in: 0 basket(s); 0 replies
    Ilo (ILJ1P) Added: 2008-09-03T10:15:26
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2724 time(s); is stored in: 0 basket(s); 0 replies
    Ibadan (IB007) Added: 2008-09-03T10:15:25
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2718 time(s); is stored in: 0 basket(s); 0 replies
    Hyderabad (HY317) Added: 2008-09-03T10:15:24
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2815 time(s); is stored in: 0 basket(s); 0 replies
    Huntsville (HV934) Added: 2008-09-03T10:15:23
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2686 time(s); is stored in: 0 basket(s); 0 replies
    Huancayo (HU91K) Added: 2008-09-03T10:15:22
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2711 time(s); is stored in: 0 basket(s); 0 replies
    Cape Hallett (HT67K) Added: 2008-09-03T10:15:20
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2757 time(s); is stored in: 0 basket(s); 0 replies
    Havana (HQ924) Added: 2008-09-03T10:15:19
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2707 time(s); is stored in: 0 basket(s); 0 replies
    Hobart (HO54K) Added: 2008-09-03T10:15:18
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 934821 time(s); is stored in: 0 basket(s); 0 replies
    Hanover (HNJ44) Added: 2008-09-03T10:15:17
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2710 time(s); is stored in: 1 basket(s); 0 replies
    Hollandia (HL50K) Added: 2008-09-03T10:15:16
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2685 time(s); is stored in: 0 basket(s); 0 replies
    Hong Kong (HK423) Added: 2008-09-03T10:15:14
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2711 time(s); is stored in: 0 basket(s); 0 replies
    Highgate Springs (HIJ46) Added: 2008-09-03T10:15:13
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2704 time(s); is stored in: 0 basket(s); 0 replies
    Hermanus (HE13N) Added: 2008-09-03T10:15:12
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 881477 time(s); is stored in: 0 basket(s); 0 replies
    Haikou (HC420) Added: 2008-09-03T10:15:11
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2728 time(s); is stored in: 0 basket(s); 0 replies
    Halley Bay (HBA7N) Added: 2008-09-03T10:15:10
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2749 time(s); is stored in: 0 basket(s); 0 replies
    Hanscom AFB (HAJ43) Added: 2008-09-03T10:15:09
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2753 time(s); is stored in: 0 basket(s); 0 replies
    Hainan Island (HA149) Added: 2008-09-03T10:15:07
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 324 time(s); is stored in: 1 basket(s); 0 replies
    Haifa (HA132) Added: 2008-09-03T10:15:06
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2764 time(s); is stored in: 0 basket(s); 0 replies
    Graz (GZ146) Added: 2008-09-03T10:15:05
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2721 time(s); is stored in: 0 basket(s); 0 replies
    Garchy (GY042) Added: 2008-09-03T10:15:04
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2712 time(s); is stored in: 0 basket(s); 0 replies
    Genova (GV044) Added: 2008-09-03T10:15:03
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2723 time(s); is stored in: 2 basket(s); 0 replies
    Guangzhou (GU421) Added: 2008-09-03T10:15:02
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2762 time(s); is stored in: 0 basket(s); 0 replies
    Goosebay (GSJ53) Added: 2008-09-03T10:15:00
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 935139 time(s); is stored in: 0 basket(s); 0 replies
    Grahamstown (GR13L) Added: 2008-09-03T10:14:59
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 935003 time(s); is stored in: 0 basket(s); 0 replies
    Godhavn (GOJ69) Added: 2008-09-03T10:14:58
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2726 time(s); is stored in: 0 basket(s); 0 replies
    Gibilmanna (GM037) Added: 2008-09-03T10:14:57
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2725 time(s); is stored in: 0 basket(s); 0 replies
    Gorky (GK156) Added: 2008-09-03T10:14:55
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2710 time(s); is stored in: 0 basket(s); 0 replies
    Christchurch (GH64L) Added: 2008-09-03T10:14:54
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 936684 time(s); is stored in: 0 basket(s); 0 replies
    Belgrano (GEA7Q) Added: 2008-09-03T10:14:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3366 time(s); is stored in: 0 basket(s); 0 replies
    Groote Eylandt (GE51M) Added: 2008-09-03T10:14:52
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2720 time(s); is stored in: 0 basket(s); 0 replies
    Grand Bahama (GB926) Added: 2008-09-03T10:14:50
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2704 time(s); is stored in: 0 basket(s); 0 replies
    Gakona (GA762) Added: 2008-09-03T10:14:49
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 935241 time(s); is stored in: 0 basket(s); 0 replies
    Fortaleza (FZA0M) Added: 2008-09-03T10:14:48
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2709 time(s); is stored in: 0 basket(s); 0 replies
    Fort Norman (FN864) Added: 2008-09-03T10:14:47
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2716 time(s); is stored in: 0 basket(s); 0 replies
    Fort Monmouth (FMJ40) Added: 2008-09-03T10:14:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2721 time(s); is stored in: 0 basket(s); 0 replies
    Fuji Ship (FJ006) Added: 2008-09-03T10:14:44
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2720 time(s); is stored in: 0 basket(s); 0 replies
    Fairford, UK (FF051) Added: 2008-09-03T10:14:43
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 935250 time(s); is stored in: 0 basket(s); 0 replies
    Fort Chimo (FCJ58) Added: 2008-09-03T10:14:42
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2739 time(s); is stored in: 0 basket(s); 0 replies
    Frobisher Bay (FBJ63) Added: 2008-09-03T10:14:41
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2726 time(s); is stored in: 0 basket(s); 0 replies
    Fort Archambault (FA109) Added: 2008-09-03T10:14:40
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2698 time(s); is stored in: 0 basket(s); 0 replies
    Elizabethville (EZ11J) Added: 2008-09-03T10:14:38
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2723 time(s); is stored in: 0 basket(s); 0 replies
    Eureka (EU980) Added: 2008-09-03T10:14:37
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2719 time(s); is stored in: 0 basket(s); 0 replies
    Erie (ER842) Added: 2008-09-03T10:14:36
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2734 time(s); is stored in: 0 basket(s); 0 replies
    Errol (EOJ42) Added: 2008-09-03T10:14:35
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2762 time(s); is stored in: 0 basket(s); 0 replies
    Ellsworth (ELA7P) Added: 2008-09-03T10:14:34
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2708 time(s); is stored in: 0 basket(s); 0 replies
    Elliott (EL41Q) Added: 2008-09-03T10:14:33
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2730 time(s); is stored in: 0 basket(s); 0 replies
    Eights (EI97N) Added: 2008-09-03T10:14:31
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2689 time(s); is stored in: 0 basket(s); 0 replies
    Eglin AFB (EG931) Added: 2008-09-03T10:14:30
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 55541 time(s); is stored in: 0 basket(s); 0 replies
    Del'ebre (EB040) Added: 2008-09-03T10:14:29
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 929121 time(s); is stored in: 0 basket(s); 0 replies
    El Arenosillo (EA036) Added: 2008-09-03T10:14:28
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 935973 time(s); is stored in: 0 basket(s); 0 replies
    Derby (DY41O) Added: 2008-09-03T10:10:19
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2728 time(s); is stored in: 0 basket(s); 0 replies
    Darwin (DW41K) Added: 2008-09-03T10:10:18
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 936592 time(s); is stored in: 1 basket(s); 0 replies
    Davis Base, Antarctica (DV36Q) Added: 2008-09-03T10:10:17
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 936513 time(s); is stored in: 0 basket(s); 0 replies
    Terre Adelie (DU56O) Added: 2008-09-03T10:10:15
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2584 time(s); is stored in: 0 basket(s); 0 replies
    Dushanbe (DU238) Added: 2008-09-03T10:10:14
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2704 time(s); is stored in: 0 basket(s); 0 replies
    De Bilt (DT053) Added: 2008-09-03T10:10:13
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2694 time(s); is stored in: 0 basket(s); 0 replies
    Dyess (DS932) Added: 2008-09-03T10:10:12
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 56430 time(s); is stored in: 0 basket(s); 0 replies
    Havana (DKA14) Added: 2008-09-03T10:10:11
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2768 time(s); is stored in: 0 basket(s); 0 replies
    Djibouti (DJ111) Added: 2008-09-03T10:10:10
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2753 time(s); is stored in: 0 basket(s); 0 replies
    Dikson (DI373) Added: 2008-09-03T10:10:08
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 1495 time(s); is stored in: 0 basket(s); 0 replies
    De Bilt (DH328) Added: 2008-09-03T10:10:06
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2734 time(s); is stored in: 0 basket(s); 0 replies
    Decepcion (DEJ6L) Added: 2008-09-03T10:10:05
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2698 time(s); is stored in: 0 basket(s); 0 replies
    Dourbes (DB049) Added: 2008-09-03T10:10:04
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2932 time(s); is stored in: 0 basket(s); 0 replies
    Chiclayo (CY90P) Added: 2008-09-03T10:10:03
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2727 time(s); is stored in: 0 basket(s); 0 replies
    Chita (CX452) Added: 2008-09-03T10:10:01
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2728 time(s); is stored in: 0 basket(s); 0 replies
    Casey (CW46O) Added: 2008-09-03T10:10:00
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 936902 time(s); is stored in: 0 basket(s); 0 replies
    Cape Zevgari (CV135) Added: 2008-09-03T10:09:59
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2714 time(s); is stored in: 0 basket(s); 0 replies
    Calcutta (CU322) Added: 2008-09-03T10:09:58
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2751 time(s); is stored in: 0 basket(s); 0 replies
    Capetown (CT13M) Added: 2008-09-03T10:09:57
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2742 time(s); is stored in: 0 basket(s); 0 replies
    Colorado Springs (CS839) Added: 2008-09-03T10:09:55
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2764 time(s); is stored in: 0 basket(s); 0 replies
    Clyde River (CRJ70) Added: 2008-09-03T10:09:54
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2718 time(s); is stored in: 0 basket(s); 0 replies
    Curtin Raafb (CR41R) Added: 2008-09-03T10:09:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2718 time(s); is stored in: 0 basket(s); 0 replies
    Concepcion (CPJ3O) Added: 2008-09-03T10:09:52
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2739 time(s); is stored in: 0 basket(s); 0 replies
    College (CO764) Added: 2008-09-03T10:09:51
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 55622 time(s); is stored in: 0 basket(s); 0 replies
    Camden (CN53L) Added: 2008-09-03T10:09:50
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers
    was viewed: 937274 time(s); is stored in: 0 basket(s); 0 replies
    Chimbote (CM90R) Added: 2008-09-03T10:09:48
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2717 time(s); is stored in: 0 basket(s); 0 replies
    Chung-Li (CL424) Added: 2008-09-03T10:09:47
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers
    was viewed: 1563 time(s); is stored in: 1 basket(s); 0 replies
    Campbell Is (CI65K) Added: 2008-09-03T10:09:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2736 time(s); is stored in: 0 basket(s); 0 replies
    Churchill (CH958) Added: 2008-09-03T10:09:45
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2730 time(s); is stored in: 0 basket(s); 0 replies
    Changchun (CG443) Added: 2008-09-03T10:09:44
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2686 time(s); is stored in: 0 basket(s); 0 replies
    Cape Parry (CF870) Added: 2008-09-03T10:09:42
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2733 time(s); is stored in: 0 basket(s); 0 replies
    Cape Schmidt (CE669) Added: 2008-09-03T10:09:41
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2702 time(s); is stored in: 0 basket(s); 0 replies
    Havana (CD923) Added: 2008-09-03T10:09:40
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2722 time(s); is stored in: 0 basket(s); 0 replies
    Cape Kennedy (CC929) Added: 2008-09-03T10:09:39
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2719 time(s); is stored in: 0 basket(s); 0 replies
    Canberra (CB53N) Added: 2008-09-03T10:09:38
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 936930 time(s); is stored in: 0 basket(s); 0 replies
    Cachoeira Paulis (CAJ2M) Added: 2008-09-03T10:09:37
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2687 time(s); is stored in: 0 basket(s); 0 replies
    Casablanca (CA033) Added: 2008-09-03T10:09:36
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2697 time(s); is stored in: 0 basket(s); 0 replies
    San Jose (BZJ2L) Added: 2008-09-03T10:09:34
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2629 time(s); is stored in: 0 basket(s); 0 replies
    Biak (BX50J) Added: 2008-09-03T10:09:33
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3005 time(s); is stored in: 0 basket(s); 0 replies
    Barrow (BW771) Added: 2008-09-03T10:09:32
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3447 time(s); is stored in: 0 basket(s); 0 replies
    Beveridge (BV53Q) Added: 2008-09-03T10:09:31
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3431 time(s); is stored in: 0 basket(s); 0 replies
    Budapest (BU147) Added: 2008-09-03T10:09:30
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2720 time(s); is stored in: 0 basket(s); 0 replies
    Kheysa Is (BT280) Added: 2008-09-03T10:09:29
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2722 time(s); is stored in: 0 basket(s); 0 replies
    Barbados (BSJ13) Added: 2008-09-03T10:09:28
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3407 time(s); is stored in: 0 basket(s); 0 replies
    Brisbane (BR52P) Added: 2008-09-03T10:09:26
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 937359 time(s); is stored in: 0 basket(s); 0 replies
    Bribie Island (BQ53P) Added: 2008-09-03T10:09:25
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2708 time(s); is stored in: 0 basket(s); 0 replies
    Beijing (BP440) Added: 2008-09-03T10:09:24
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3622 time(s); is stored in: 2 basket(s); 0 replies
    Billerica (BOJ43) Added: 2008-09-03T10:09:23
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2717 time(s); is stored in: 0 basket(s); 0 replies
    Boolathana (BO42N) Added: 2008-09-03T10:09:22
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2743 time(s); is stored in: 0 basket(s); 0 replies
    Bunia (BN102) Added: 2008-09-03T10:09:21
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2702 time(s); is stored in: 0 basket(s); 0 replies
    Bombay (BM219) Added: 2008-09-03T10:09:19
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2743 time(s); is stored in: 0 basket(s); 0 replies
    Baker Lake (BL964) Added: 2008-09-03T10:09:18
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3395 time(s); is stored in: 0 basket(s); 0 replies
    Bear Lake (BL841) Added: 2008-09-03T10:09:17
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3443 time(s); is stored in: 0 basket(s); 0 replies
    Bangkok (BK314) Added: 2008-09-03T10:09:16
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3412 time(s); is stored in: 0 basket(s); 0 replies
    Bermuda (BJJ32) Added: 2008-09-03T10:09:15
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3439 time(s); is stored in: 0 basket(s); 0 replies
    Bangui (BI104) Added: 2008-09-03T10:09:14
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3454 time(s); is stored in: 0 basket(s); 0 replies
    Bekescsaba (BH148) Added: 2008-09-03T10:09:13
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3410 time(s); is stored in: 0 basket(s); 0 replies
    Bogota (BGJ05) Added: 2008-09-03T10:09:11
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2745 time(s); is stored in: 1 basket(s); 0 replies
    Baguio (BF416) Added: 2008-09-03T10:09:10
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3419 time(s); is stored in: 0 basket(s); 0 replies
    Beograd (BE145) Added: 2008-09-03T10:09:09
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3432 time(s); is stored in: 0 basket(s); 0 replies
    Byrd Station (BD88_) Added: 2008-09-03T10:09:08
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2679 time(s); is stored in: 0 basket(s); 0 replies
    Boulder (BC840) Added: 2008-09-03T10:09:07
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 937920 time(s); is stored in: 1 basket(s); 1 replies
    Baudouin (BB017) Added: 2008-09-03T10:09:06
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3403 time(s); is stored in: 0 basket(s); 0 replies
    Buenos Aires (BAJ3M) Added: 2008-09-03T10:09:04
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2721 time(s); is stored in: 0 basket(s); 0 replies
    Arkhangelsk (AZ163) Added: 2008-09-03T10:09:03
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3403 time(s); is stored in: 0 basket(s); 0 replies
    Austin (AW933) Added: 2008-09-03T10:09:02
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3421 time(s); is stored in: 0 basket(s); 0 replies
    Agua Verde (AVJ2N) Added: 2008-09-03T10:09:01
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3536 time(s); is stored in: 0 basket(s); 0 replies
    Auckland (AU63P) Added: 2008-09-03T10:09:00
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3395 time(s); is stored in: 0 basket(s); 0 replies
    Athens (AT138) Added: 2008-09-03T10:08:59
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 938406 time(s); is stored in: 1 basket(s); 0 replies
    Ashkhabad (AS237) Added: 2008-09-03T10:08:57
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3518 time(s); is stored in: 0 basket(s); 0 replies
    Ascension Island (AS00Q) Added: 2008-09-03T10:08:56
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.s.
    was viewed: 939878 time(s); is stored in: 0 basket(s); 0 replies
    Arecibo (ARJ19) Added: 2008-09-03T10:08:55
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3506 time(s); is stored in: 1 basket(s); 0 replies
    Anchorage (AN761) Added: 2008-09-03T10:08:54
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3479 time(s); is stored in: 0 basket(s); 0 replies
    Anyang (AN438) Added: 2008-09-03T10:08:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 57982 time(s); is stored in: 0 basket(s); 0 replies
    Amderma (AM269) Added: 2008-09-03T10:08:52
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3418 time(s); is stored in: 0 basket(s); 0 replies
    Alice Springs (AL52M) Added: 2008-09-03T10:08:51
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3571 time(s); is stored in: 0 basket(s); 0 replies
    Akita (AK539) Added: 2008-09-03T10:08:49
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3579 time(s); is stored in: 0 basket(s); 0 replies
    Ajana (AJ42Q) Added: 2008-09-03T10:08:47
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3507 time(s); is stored in: 1 basket(s); 0 replies
    Argentine Is (AIJ6N) Added: 2008-09-03T10:08:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3508 time(s); is stored in: 0 basket(s); 0 replies
    Ahmedabad (AH223) Added: 2008-09-03T10:08:45
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3738 time(s); is stored in: 1 basket(s); 0 replies
    Accra (AG005) Added: 2008-09-03T10:08:44
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3607 time(s); is stored in: 0 basket(s); 0 replies
    Argentia NF (AFJ49) Added: 2008-09-03T10:08:43
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3426 time(s); is stored in: 0 basket(s); 0 replies
    Adak (AD651) Added: 2008-09-03T10:08:41
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3686 time(s); is stored in: 1 basket(s); 0 replies
    Alexander Bay (AB12Q) Added: 2008-09-03T10:08:39
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2434 time(s); is stored in: 0 basket(s); 0 replies
    Aberswyth (AB067) Added: 2008-09-03T10:08:38
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3875 time(s); is stored in: 4 basket(s); 0 replies
    Alma Ata (AA343) Added: 2008-09-03T10:08:37
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3598 time(s); is stored in: 0 basket(s); 0 replies
    Burghead (6063) Added: 2008-09-03T10:08:36
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2712 time(s); is stored in: 0 basket(s); 0 replies
    Boston (56J43) Added: 2008-09-03T10:08:35
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2712 time(s); is stored in: 0 basket(s); 0 replies
    Bagneux (55039) Added: 2008-09-03T10:08:33
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 3456 time(s); is stored in: 0 basket(s); 0 replies
    Wuchang (54430) Added: 2008-09-03T10:08:32
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2694 time(s); is stored in: 0 basket(s); 0 replies
    Victoria Beach (53951) Added: 2008-09-03T10:08:31
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2715 time(s); is stored in: 0 basket(s); 0 replies
    Tsitsihar (52447) Added: 2008-09-03T10:08:30
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2701 time(s); is stored in: 0 basket(s); 0 replies
    Trinidad (51J10) Added: 2008-09-03T10:08:29
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2706 time(s); is stored in: 0 basket(s); 0 replies
    Toyohara (50546) Added: 2008-09-03T10:08:28
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2681 time(s); is stored in: 0 basket(s); 0 replies
    Swan River (48952) Added: 2008-09-03T10:08:27
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2766 time(s); is stored in: 0 basket(s); 0 replies
    Snainton (47050) Added: 2008-09-03T10:08:25
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2756 time(s); is stored in: 0 basket(s); 0 replies
    Slutsk (46161) Added: 2008-09-03T10:08:24
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2742 time(s); is stored in: 0 basket(s); 0 replies
    Shikuka (45549) Added: 2008-09-03T10:08:23
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2736 time(s); is stored in: 0 basket(s); 0 replies
    Shibata (44537) Added: 2008-09-03T10:08:22
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2711 time(s); is stored in: 0 basket(s); 0 replies
    Rangoon (43316) Added: 2008-09-03T10:08:21
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2800 time(s); is stored in: 0 basket(s); 0 replies
    Prince Rupert (42854) Added: 2008-09-03T10:08:20
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2794 time(s); is stored in: 0 basket(s); 0 replies
    Portage La Prarie (41950) Added: 2008-09-03T10:08:19
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2756 time(s); is stored in: 0 basket(s); 0 replies
    Pitcairn Island (4082N) Added: 2008-09-03T10:08:17
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2769 time(s); is stored in: 0 basket(s); 0 replies
    Peshawar (39234) Added: 2008-09-03T10:08:16
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2793 time(s); is stored in: 0 basket(s); 0 replies
    Penang (38305) Added: 2008-09-03T10:08:15
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2790 time(s); is stored in: 0 basket(s); 0 replies
    Peiping (37440) Added: 2008-09-03T10:08:14
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2783 time(s); is stored in: 0 basket(s); 0 replies
    Paramushiro (36550) Added: 2008-09-03T10:08:13
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2803 time(s); is stored in: 0 basket(s); 0 replies
    Palmyra Island (35705) Added: 2008-09-03T10:08:11
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2816 time(s); is stored in: 0 basket(s); 0 replies
    Palau Island (34407) Added: 2008-09-03T10:08:10
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2781 time(s); is stored in: 0 basket(s); 0 replies
    Nha Trang (33412) Added: 2008-09-03T10:08:09
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2822 time(s); is stored in: 0 basket(s); 0 replies
    Nanking (32432) Added: 2008-09-03T10:08:08
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2781 time(s); is stored in: 0 basket(s); 0 replies
    Meguro (31534) Added: 2008-09-03T10:08:07
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2824 time(s); is stored in: 0 basket(s); 0 replies
    Makassar (3040N) Added: 2008-09-03T10:08:06
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2806 time(s); is stored in: 0 basket(s); 0 replies
    Loshan (29329) Added: 2008-09-03T10:08:05
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2789 time(s); is stored in: 0 basket(s); 0 replies
    Leyte (28411) Added: 2008-09-03T10:08:03
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2814 time(s); is stored in: 0 basket(s); 0 replies
    Lanzhou (27336) Added: 2008-09-03T10:08:02
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2841 time(s); is stored in: 0 basket(s); 0 replies
    Kochel (24064) Added: 2008-09-03T10:08:01
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2830 time(s); is stored in: 0 basket(s); 0 replies
    Khartoum (23115) Added: 2008-09-03T10:08:00
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2833 time(s); is stored in: 0 basket(s); 0 replies
    Kaminoge (22532) Added: 2008-09-03T10:07:59
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2809 time(s); is stored in: 0 basket(s); 0 replies
    Hiratsuka (21533) Added: 2008-09-03T10:07:58
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2826 time(s); is stored in: 0 basket(s); 0 replies
    Hiraiso (20536) Added: 2008-09-03T10:07:56
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2819 time(s); is stored in: 0 basket(s); 0 replies
    Hankow (19432) Added: 2008-09-03T10:07:55
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2869 time(s); is stored in: 0 basket(s); 0 replies
    Guam (17513) Added: 2008-09-03T10:07:54
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2848 time(s); is stored in: 0 basket(s); 0 replies
    Fukaura (16541) Added: 2008-09-03T10:07:53
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2830 time(s); is stored in: 0 basket(s); 0 replies
    Fraserburgh (15065) Added: 2008-09-03T10:07:52
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2832 time(s); is stored in: 0 basket(s); 0 replies
    Fiji (1461Q) Added: 2008-09-03T10:07:51
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
    was viewed: 2808 time(s); is stored in: 0 basket(s); 0 replies
    Domont (13062) Added: 2008-09-03T10:07:49
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Dairen (12439) Added: 2008-09-03T10:07:48
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Colombo (11306) Added: 2008-09-03T10:07:47
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Cocoa (10928) Added: 2008-09-03T10:07:46
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Chongqing (09429) Added: 2008-09-03T10:07:45
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Christmas Is (08701) Added: 2008-09-03T10:07:44
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Cape York (0751J) Added: 2008-09-03T10:07:42
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Cairo (05130) Added: 2008-09-03T10:07:41
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Baton Rouge (04930) Added: 2008-09-03T10:07:40
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Bandoeng (0240Q) Added: 2008-09-03T10:07:38
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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    Baddow (01016) Added: 2008-09-03T10:07:35
    Ionograms are recorded tracings of reflected high-frequency radio pulses generated by an ionosonde. Swept-frequency radiowaves transmitted upwards into the ionosphere are reflected at various heights according to well understood processes which are dependent, to a large degree, on the local plasma environment at the reflection point. The frequency and measured time-of-flight for the transmitted and reflected radiowave are used to characterize the layered structure of the ionsphere below the maximum F2 peak. Parameters of typical scientific interest are the heights, local plasma densities, and critical (reflection) frequencies of the F2, F1, and E peaks. Other interested parties include the amateur HAM radio community, emergency management officials, and the military who rely on the ionosphere for long-range radio transmissions at high-frequencies. Ionospheric characteristics can be extracted from an ionogram using manual or computer-automated techniques. Raw ionograms as well as selected ionospheric parameters for the global network of ionosondes are archived by and made available through the World Data Centers.
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