BRUNO, Jon; DARUGNA, Francesco; BOLMGREN, Karl; WÜBBENA, Jannes B; MITCHELL, Cathryn; SCHMITZ, Martin. Quality analysis of dual-frequency smartphone-based ionospheric TEC measurements: what can be achieved?. Annals of Geophysics, [S. l.], v. 64, n. 1, p. RS103, 2021. DOI: 10.4401/ag-8517. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/8517. Acesso em: 24 apr. 2026.