*Wen-Hao Yeh¹、Cheng-Yung Huang¹、Kun-Lin Chen¹、Tzu-Pang Tseng²、Hsu-Hui Ho³、Jing-Mei Wu⁴、Jyun-Ying Huang³、Hsiu-Wen Li⁴、Ching-Chieh Lin³ (1.National Space Organization, National Applied Research Laboratories, Taiwan、2.Geoscience Australia, Australia、3.Taiwan Analysis Center for COSMIC, Central Weather Bureau, Taiwan、4.GPS Science and Application Research Center, National Central University, Taiwan)