A new expression for computing the bottomside thickness parameter and comparisons with the NeQuick and IRI-2012 models during declining phase of solar cycle 23 at equatorial latitude station, Chumphon, Thailand - Punyawi Jamjareegulgarn; Pornchai Supnithi; Kornyanat Watthanasangmechai; Tatsuhiro Yokoyama; Takuya Tsugawa; Mamoru Ishii (My University, 2016)
Keywords: Sunrise; Ionosonde; Low latitude; Ionosphere and magnetosphere dynamics