December anomaly in ionosphere using FORMOSAT-3/COSMIC electron density profiles
Gerelmaa Dashnyam, Self Employed, Ulaanbaatar, Mongolia, Charles Lin, National Cheng Kung University, Department of Earth Sciences, Tainan, Taiwan, P. K. Rajesh, NCKU National Cheng Kung University, Department of Earth Sciences, Tainan, Taiwan and Jia-Ting Lin, National Cheng Kung University, Tainan, Taiwan