Comparison of E layer critical frequency over the Thai station Chumphon with IRI - P. Wongcharoen; P. Kenpankho; P. Supnithi; M. Ishii; T. Tsugawa (My University, 2015)
Keywords: Critical frequency; Ionogram; Solar minimum; Sunspot; International Reference Ionosphere; Sunspot number; Solar maximum; Ionosphere and magnetosphere dynamics