Open Access
Table 1
List of selected ground-based ionosondes.
| Geographic latitude | Geographic longitude | Geomagnetic latitude | |
|---|---|---|---|
| American sector | |||
| Pt. Arguello | 34.8 | 239.5 | 42.3 |
| Austin | 30.4 | 262.3 | 39.7 |
| Eglin | 30.5 | 273.5 | 41.1 |
| Wallops Island | 37.9 | 284.5 | 49.2 |
| Ramey | 18.5 | 292.9 | 29.8 |
| Boa Vista | 2.8 | 299.3 | 11.4 |
| Belem | 1.4 | 311.6 | 6.9 |
| Sao Luis | −2.6 | 315.8 | 6.9 |
| Fortaleza | −3.9 | 321.6 | 5.9 |
| Jicamarca | −12.0 | 283.2 | 0.7 |
| Cachoeira Paulista | −22.7 | 315.0 | −13.6 |
| Europe-African sector | |||
| Rome | 41.9 | 12.5 | 42.3 |
| Athens | 38.0 | 23.5 | 36.4 |
| El Arenosillo | 37.1 | 353.3 | 41.4 |
| Nicosia | 35.0 | 33.2 | 31.7 |
| Ascension Island | −7.9 | 345.6 | −6.6 |
| Grahamstown | −33.3 | 26.5 | −33.9 |
| Hermanus | −34.4 | 19.2 | −33.6 |
| Asian-Pacific sector | |||
| Kokubunji | 35.7 | 139.5 | 25.7 |
| Okinawa | 26.7 | 128.2 | 15.5 |
| Wake | 19.3 | 166.7 | 13.7 |
| Guam | 13.6 | 144.9 | 4.2 |
| Cocos Island | −12.2 | 96.8 | −23.2 |
| Darwin | −12.5 | 130.9 | −22.9 |
| Learmonth | −21.8 | 114.0 | −33.0 |
| Brisbane | −27.1 | 153.1 | −35.4 |
| Norfolk | −29.0 | 168.0 | −34.5 |
| Niue | −19.1 | 190.1 | −21.2 |
| Lualualei | 21.4 | 201.8 | 20.0 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.