*Yusuke Yokota¹, Basara Miyahara³, Toshimichi Otsubo⁴, Yasuhiro Murayama⁵, Hiroshi Munekane³, Tadashi Ishikawa² (1.Institute of Industrial Science, The University of Tokyo, 2.Hydrographic and Oceanographic Department, Japan Coast Guard, 3.Geospatial Information Authority of Japan, 4.Hitotsubashi University, 5.National Institute of Information and Communications Technology)

*Toshimichi Otsubo¹, Basara Miyahara², Yusuke Yokota³, Shinobu Kurihara² (1.Hitotsubashi University, 2.Geospatial Information Authority of Japan, 3.Institute of Industrial Science, the University of Tokyo)

*Radoslaw Zajdel¹, Krzysztof Sośnica¹, Mateusz Drożdżewski¹, Toshimichi Otsubo², Dariusz Strugarek¹, Grzegorz Bury¹ (1.UPWr, Wroclaw, Poland, 2.Hitotsubashi Univ., Tokio, Japan)

*Michael R Pearlman¹, Carey E Noll², Erricos C Pavlis³, Toshimichi Otsubo⁴, Jean-Marie Torre⁵, Ulrich Schreiber⁶, Georg Kirchner⁷, Michael Steindorfer⁷ (1.Center for Astrophysics, Cambridge MA, United States, 2.NASA Goddard Space Flight Center, Code 61A, Greenbelt MD, United States, 3.University of Maryland, Baltimore MD, United States, 4.Hitotsubashi University, Tokyo, Japan, 5.Observatoire de la Côte d'Azur, Nice, France, 6.Technische Universitaet Muenchen, Forschungseinrichtung Satellitengeodaesie Wettzell, Bad Koetzting, Germany, 7.Space Research Institute, Austrian Academy of Sciences, Austria)

*Yusuke Yokota¹, Tadashi Ishikawa², Basara Miyahara³, Toshimichi Otsubo⁴ (1.Institute of Industrial Science, The University of Tokyo, 2.Hydrographic and Oceanographic Department, Japan Coast Guard, 3.Geospatial Information Authority of Japan, 4.Hitotsubashi University)