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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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ANGEO | Articles | Volume 37, issue 1
Ann. Geophys., 37, 65–76, 2019
https://doi.org/10.5194/angeo-37-65-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Ann. Geophys., 37, 65–76, 2019
https://doi.org/10.5194/angeo-37-65-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

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 et al.

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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.
Based on hourly averages of the total electron content (TEC), a regional model of the TEC was...
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