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During the sudden stratospheric warming (SSW) event in 2013, we investigated the American low latitude around 75°W. We used 12 Global Positioning System (GPS) receivers, a pair of magnetometers, and the NASA Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) satellite airglow instrument to unveil the total electron content (TEC), inferred vertical drift, and the changes in the neutral composition, respectively. A major SSW characterized the 2013 SSW event with the main phase (7–27 January 2013) overlapped ...
Published by: Space Weather Published on:
YEAR: 2022   DOI: 10.1029/2021SW002999
The Latitudinal dependence in the response of the Ionospheric F2-layer electron density (NmF2) and peak height (hmF2) to three geomagnetic storms of May and August 2010 has been examined. The data-sets used for the study were obtained from Ilorin, Nigeria (1.87° S/76.67° E), San Vito, Italy (34.68° N/90.38° E), Hermanus, South Africa (42.34° S/82.15° E), and Pruhonice, Czech Republic (45.66° N/90.38° E) geomagnetic coordinates. The quiet time result shows that the rise in NmF2 began earlier at San Vito, followed by P ...
Published by: Geomagnetism and Aeronomy Published on: may
YEAR: 2021   DOI: 10.1134/S0016793221030063
This paper attempt to discuss the present state of application of GNSS in African states and the numerous benefits being accrued from its usage. The present day application of GNSS in Nigeria and most African countries include: positioning services, surveying and mapping, disaster management, air, land and sea navigation, and emergency response. GNSS is presently being applied in worldwide MAGDAS, AWESOME and other instrument arrays, which are installed in Africa as part of IHY activity. SCINDA project is another worldwide p ...
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