A.O. Akala, E.O. Somoye, A.O. Adewale, E.W. Ojutalayo, S.P. Karia, R.O. Idolor, D. Okoh, P.H. Doherty, “Comparison of GPS-TEC observations over Addis Ababa with IRI-2012 model predictions during 2010–2013”, Advances in Space Research, 56, № 8, 2015, 1686
D. Bilitza, “The importance of EUV indices for the international reference ionosphere”, Physics and Chemistry of the Earth, Part C: Solar, Terrestrial & Planetary Science, 25, № 5-6, 2000, 515
R. S. Indiresan, B. E. Gilchrist, S. Basu, J.‐P. Lebreton, E. P. Szuszczewicz, “Simultaneous, dual‐point, in situ measurements of ionospheric structures using space tethers: TSS‐1R observations”, Geophysical Research Letters, 25, № 19, 1998, 3725
V. M. Agüero, W. J. Burke, B. E. Gilchrist, N. H. Stone, L. C. Gentile, S. D. Williams, D. L. Cooke, D. C. Thompson, C. Bonifazi, J.‐P. Lebreton, “Current collection at the shuttle orbiter during the tethered satellite system tether break”, J. Geophys. Res., 104, № A1, 1999, 105
Jean de Dieu Nibigira, G. Sivavaraprasad, D. Venkata Ratnam, “Performance analysis of IRI-2016 model TEC predictions over Northern and Southern Hemispheric IGS stations during descending phase of solar cycle 24”, Acta Geophys., 69, № 4, 2021, 1509
Jun Chen, Xiaodong Ren, Xiaohong Zhang, Jincheng Zhang, Liangke Huang, “Assessment and Validation of Three Ionospheric Models (IRI‐2016, NeQuick2, and IGS‐GIM) From 2002 to 2018”, Space Weather, 18, № 6, 2020, e2019SW002422
A.A. Namgaladze, Yu.V. Zubova, A.N. Namgaladze, O.V. Martynenko, E.N. Doronina, L.P. Goncharenko, A. Van Eyken, V. Howells, J.P. Thayer, V.I. Taran, B. Shpynev, Q. Zhou, “Modelling of the ionosphere/thermosphere behaviour during the April 2002 magnetic storms: A comparison of the UAM results with the ISR and NRLMSISE-00 data”, Advances in Space Research, 37, № 2, 2006, 380
Dieter Bilitza, “International Reference Ionosphere 2000”, Radio Science, 36, № 2, 2001, 261