XENOS, T. D. The effects of f0 F2 variability on TEC prediction accuracy. Annals of Geophysics, [S. l.], v. 45, n. 1, 2002. DOI: 10.4401/ag-3489. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3489. Acesso em: 19 apr. 2024.