PROL, Fabricio dos Santos; CAMARGO, Paulo de Oliveira; MUELLA, Marcio Tadeu de Assis Honorato. COMPARATIVE STUDY OF METHODS FOR CALCULATING IONOSPHERIC POINTS AND DESCRIBING THE GNSS SIGNAL PATH. Boletim de Ciências Geodésicas, [S. l.], v. 23, n. 4, 2017. Disponível em: https://revistas.ufpr.br/bcg/article/view/56805. Acesso em: 5 jan. 2026.