*Masahito Nose1, Yasuhiro Murayama2, Takenari Kinoshita3, Yukinobu Koyama4, Michi Nishioka5, Mamoru Ishii5, Manabu Kunitake2, Koji Imai2, Toshihiko Iyemori1, Takashi Watanabe6
(1.Graduate School of Science, Kyoto University, 2.Integrated Science Data System Research Laboratory, National Institute for Information Communications Technology, 3.Japan Agency for Marine-Earth Science and Technology, 4.Oita National College of Technology, 5.World Data Center for Ionosphere and Space Weather, National Institute for Information Communications Technology, 6.World Data System-International Program Office/National Institute for Information Communications Technology)