*Kazue Takahashi¹、Robert L Lysak²、Massimo Vellante³、Craig Kletzing⁴、John John Wygant ²、Charles W Smith⁵、Vassilis Angelopoulos ⁶、Howard J Singer⁷ (1.The Johns Hopkins University Applied Physics Laboratory, USA、2.School of Physics and Astronomy, University of Minnesota, USA、3.Physics Department, University of L’Aquila Via Vetoio, Italy、4.Department of Physics and Astronomy, University of Iowa, USA、5.Physics Department and Space Science Center, University of New Hampshire, USA、6.Institute of Geophysics and Planetary Physics/Earth, Planetary and Space Sciences, UCLA, USA、7.Space Weather Prediction Center, National Oceanic and Atmospheric Administration, USA)