5:15 PM - 6:30 PM
*Shin-ichiro Oyama1, Kazuo Shiokawa1, Satonori Nozawa1, Yuichi Otsuka1, Yoshizumi Miyoshi1, Esa Turunen2, Anita Aikio3, Lei Cai3 (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.Sodankyla Geophysical Observatory, University of Oulu, 3.University of Oulu)