*Teruyuki KATO1, Yukihiro TERADA2, Keiichi TADOKORO3, Yoshinori SHOJI4, Hiromu SEKO4, Mamoru ISHII5, Michi NISHIOKA5, Shin-ichi YAMAMOTO6, Morio TOYOSHIMA6, Naohiko IWAKIRI6, Naokiyo KOSHIKAWA7, Osamu MOTOHASHI8, Akira WADA9, Naruyuki IMADA9
(1.Earthquake Research Institute, Univ. Tokyo, 2.National Institute of Technology, Kochi College, 3.Graduate School of Environmental Studies, Nagoya Univ., 4.Meteorological Research Institute, JMA, 5.Applied Electromagnetic Research Institute, NICT, 6.Wireless Network Research Institute, NICT, 7.Satellite Applications and Promotion Center, JAXA, 8.Satellite Navigation Office, JAXA, 9.Hitachi Zosen Corporation)