*Prayitno Abadi^1,2,3、Yuichi Otsuka¹、Susumu Saito⁴、Mamoru Yamamoto⁵、Septi Perwitasari⁶、Angga Yolanda Putra⁷ (1.Institute for Space-Earth Environmental Research (ISEE), Nagoya University, Nagoya, Japan、2.Research Center for Climate and Atmosphere, Indonesian National Research and Innovation Agency (BRIN), Bandung, Indonesia、3.School of Electrical Engineering, Telkom University, Kab. Bandung, Indonesia、4.Electronic Navigaton Research Institute (ENRI), National Institute for Maritime, Port, and Aviation Technology (MPAT), Chofu, Tokyo, Japan、5.Research Institute for Sustainable Humanosphere (RISH), Kyoto University, Kyoto, Japan、6.National Institute of Information and Communications Technology (NICT), Tokyo, Japan、7.Directorate of Laboratory Management Facilities and Science and Technology Park, Indonesian National Research and Innovation Agency (BRIN), Pontianak, Indonesia)