[1] Kyoto Univ, Radio Sci Ctr Space & Atmosphere, Kyoto 6110011, Japan
[2] Univ Tokyo, Adv Sci & Technol Res Ctr, Tokyo 1538904, Japan
[3] Indonesian Natl Inst Aeronaut & Space, Atmospher Res & Dev Ctr, Bandung 40173, Indonesia
[4] Natl Space & Dev Agcy Japan, Earth Observat Res Ctr, Tokyo 1046023, Japan
[5] Indonesian Meteorol & Geophys Agcy, Jakarta 10720, Indonesia
[6] Agcy Assessment & Applicat Technol, Jakarta 10340, Indonesia
[7] Kobe Univ, Grad Sch Sci & Technol, Kobe, Hyogo 6578501, Japan