MONTEIRO , Alan de Andrade; MUELLA , Marcio T. A. H.; VARGAS , Fábio. Ionosondes: a study on the use of electromagnetic wave propagation as a technique to observe the ionized layer of the earth’s atmosphere . Physicae Proceedings, Campinas, SP, v. 1, n. 1, p. 11–12, 2020. Disponível em: https://econtents.bc.unicamp.br/eventos/index.php/phyproceedings/article/view/3218. Acesso em: 19 abr. 2024.