*Kazunori Ogawa¹, Satoshi Tanaka², Naoya Sakatani², Munetaka Ueno^1,2, Takeshi Hoshino², Kazutoshi Sakamoto², Taichi Kawamura³, Yoshiaki Ishihara², Nozomu Takeuchi⁴, Philippe Lognonné³, Akito Araya⁴, Ryuhei Yamada⁵, Takeshi Tsuji⁶, Taizo Kobayashi⁷, Kei Shirai⁸, Matthias Grott⁹, Jerzy Grygorczuk¹⁰, Axel Hagermann¹¹, Jörg Knollenberg⁹, Tilman Spohn⁹, Hideaki Miyamoto⁴, Hiroaki Katsuragi¹², Sin-iti Shirono¹², Tomokatsu Morota¹², Masahiko Arakawa¹ (1.Kobe University, 2.Japan Aerospace Exploration Agency, 3.Institut de Physique du Globe de Paris, 4.University of Tokyo, 5.National Astronomical Observatory of Japan, 6.Kyushu University, 7.University of Fukui, 8.The Graduate University for Advanced Studies, 9.German Aerospace Center, 10.Polish Academy of Sciences, 11.Open University, 12.Nagoya University)