TY - JOUR A1 - Mengistu Tsidu, G. A1 - Melaku Zegeye, M. T1 - Comparison of quiet-time ionospheric total electron content from the IRI-2016 model and from gridded and station-level GPS observations JO - Ann. Geophys. J1 - ANGEO VL - 38 IS - 3 SP - 725 EP - 748 Y1 - 2020/06/16 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/38/725/2020/ L1 - https://angeo.copernicus.org/articles/38/725/2020/angeo-38-725-2020.pdf DO - 10.5194/angeo-38-725-2020 ER -