Comparison of GPS-TEC measurements with NeQuick2 and IRI model predictions in the low latitude East African region during varying solar activity period (1998 and 2008-2015)
Keywords: فعالیت خورشیدی و زمین شناسی; Ionosphere; Total electron content (TEC); GPS-TEC; NeQuick2; IRI model; Solar and geomagnetic activity;