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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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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (further review by editor and referees) (16 Oct 2018) by Ana G. Elias
AR by Geoffrey Andima on behalf of the Authors (24 Nov 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (03 Dec 2018) by Ana G. Elias
RR by Anonymous Referee #3 (03 Jan 2019)
ED: Publish subject to minor revisions (review by editor) (03 Jan 2019) by Ana G. Elias
AR by Geoffrey Andima on behalf of the Authors (14 Jan 2019)  Author's response    Manuscript
ED: Publish as is (16 Jan 2019) by Ana G. Elias
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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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