Articles | Volume 37, issue 1
https://doi.org/10.5194/angeo-37-65-2019
https://doi.org/10.5194/angeo-37-65-2019
Regular paper
 | 
30 Jan 2019
Regular paper |  | 30 Jan 2019

Modeling of GPS total electron content over the African low-latitude region using empirical orthogonal functions

Geoffrey Andima, Emirant B. Amabayo, Edward Jurua, and Pierre J. Cilliers

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Latest update: 27 Feb 2024
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Short summary
Based on hourly averages of the total electron content (TEC), a regional model of the TEC was constructed. Annual averages calculated from monthly medians of the detrended TEC were used to estimate any trends in the TEC over the African low latitudes. A predominantly negative trend in the ionospheric TEC was observed in the vicinity of the dip equator.