2:30 PM - 2:45 PM
*Akimasa Yoshikawa1,2, Shinichi Ohtani3, Aoi Nakamizo4, Shun Imajo5 (1.Department of Earth and Planetary Sciences, Kyushu University, 2.International Center for Space Weather Science and Education, Kyushu University, 3.Applied Physics Laboratory, Johns Hopkins University, 4.Natinal Institute of Information and Communications Technology, 5.World Data Center for Geomagnetism, Kyoto University)