Temporal Variability and Predictability of Radio Refractivity in Four Selected Locations of Locations in Nigeria. Nigerian Journal of Applied Physics, [S. l.], v. 2, n. 1, p. 18–24, 2025. DOI: 10.62292/njap-v2i1-2026-30. Disponível em: https://njap.nipngr.org/index.php/njap/article/view/30. Acesso em: 14 dec. 2025.