Ionosonde and GPS Total Electron Content Observations during the 26 December 2019 Annular Solar Eclipse over Indonesia - Harjosuwito, J.; Husin, A.; Dear, V.; Muhamad, J.; Faturahman, A.; Bahar, A.; Erlansyah, E.; Syetiawan, A.; Pradipta, R. (EGUsphere, 2022)