Shu-Ya Chen¹, Cheng-Yung Huang², Hsiu-Wen Li¹, H. H. Ho³, Cheng-Peng Shih⁴, Ching-Yuang Huang⁵, Chia-Ping Cheng⁶, Zhiquan Liu⁷ and Taiwan Analysis Center for COSMIC (TACC), (1)National Central University, GPS Science and Application Research Center, Taoyuan, Taiwan, (2)National Space Organization, Hsin-Chu, Taiwan, (3)Central Weather Burean, Teipei, Taiwan, (4)National Central University, Atmospheric Sciences, Taoyuan, Taiwan, (5)NCU National Central University of Taiwan, Atmospheric Science, Jhongli, Taiwan, (6)Central Weather Bureau, Taipei, Taiwan, (7)National Center for Atmospheric Research, Boulder, United States