*Shin-ichiro Oyama1,2,3, Anita Aikio3, Mark Conde4, Heikki Vanhamaki3, Ilkka Virtanen3, Lei Cai3, Ken Kubota5, Takatoshi Morinaga6, Takuo T. Tsuda7, Junichi Kurihara8, Miguel F Larsen9, Masa-yuki Yamamoto10, Masafumi Hirahara1, Kazuo Shiokawa1
(1.Institute for Space-Earth Environmental Research, Nagoya University, Japan, 2.National Institute of Polar Research, Japan, 3.University of Oulu, Finland, 4.Geophysical Institute, University of Alaska Fairbanks, USA, 5.KUBOTA, Inc., Japan, 6.Nishimu Electronics Industries Co., Ltd, Japan, 7.University of Electro-Communications, Japan, 8.Hokkaido University, Japan, 9.Clemson University, USA, 10.Kochi University of Technology, Japan)