Dr. Takuya Hara¹, Kei Masunaga², Naoki Terada³, Shotaro Sakai⁴, Kanako Seki⁵, Kathleen Gwen Hanley¹, Christopher M Fowler⁶, James P McFadden¹ and Shannon Curry⁷, (1)Space Sciences Laboratory, University of California Berkeley, Berkeley, United States, (2)Yamagata University, Yamagata, Japan, (3)Tohoku University, Department of Geophysics, Graduate School of Science, Sendai, Japan, (4)Keio University, Faculty of Environment and Information Studies, Tokyo, Japan, (5)The University of Tokyo, Research Center for Advanced Science and Technology, Tokyo, Japan, (6)West Virginia University, Department of Physics and Astronomy, Morgantown, United States, (7)University of Colorado Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States