Articles | Volume 35, issue 3
Ann. Geophys., 35, 701–710, 2017
https://doi.org/10.5194/angeo-35-701-2017

Special issue: The 14th International Symposium on Equatorial Aeronomy

Ann. Geophys., 35, 701–710, 2017
https://doi.org/10.5194/angeo-35-701-2017

Regular paper 06 Jun 2017

Regular paper | 06 Jun 2017

Studying the variability in the diurnal and seasonal variations in GPS total electron content over Nigeria

Victor Adetayo Eyelade et al.

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The study examined the diurnal and seasonal variations in total electron content (TEC) over Nigeria. The derived GPS TEC across all the stations demonstrated consistent minimum diurnal variations during the pre-sunrise hours, increased with a sharp gradient during the sunrise period, attained a postnoon maximum at about 14:00 LT, and then fell to a minimum just before sunset. The seasonal variation depicted a semi-annual distribution with higher values around equinoxes than solstices.