*Ken Endo¹, Atsushi Kumamoto¹, Yuto Katoh¹ (1.Department of Geophysics, Graduate School of Science, Tohoku University)

*Paul Prikryl^1,2, Takumi Tsukijihara³, Koki Iwao⁴, Donald B Muldrew⁵, Robert Bruntz⁶, Vojto Rušin⁷, Milan Rybanský⁸, Maroš Turna⁹, Pavel Štastný⁹, Vladimír Pastircák⁹ (1.Physics Department, University of New Brunswick, Fredericton, NB, Canada, 2.Geomagnetic Laboratory, Natural Resources Canada, Ottawa, ON, Canada, 3.Department of Earth and Planetary Sciences, Kyushu University, Fukuoka, Japan, 4.National College of Technology, Kumamoto College, Yatsushiro, Japan, 5.Emeritus, Communications Research Centre, Ottawa, ON, Canada, 6.Johns Hopkins University Applied Physics Laboratory, Laurel, MD, USA, 7.Astronomical Institute, Slovak Academy of Sciences, Tatranská Lomnica, Slovakia, 8.Slovak Central Observatory, Hurbanovo, Slovakia, 9.Slovak Hydrometeorological Institute, Bratislava, Slovak Republic)

*Junpei Omura¹, Peng Han², Chie Yoshino¹, Katsumi Hattori¹, Michikuni Shimo³, Toshiharu Konishi⁴, Ryuichi Furuya⁵ (1.Graduate school of Science, Chiba Uiversity, 2.The Institute of Statistical Mathematics, 3.Fujita Health University, 4.OHYO KOKEN KOGYO CO., LTD., 5.COM SYSTEM, INC.)

*Yididya Girma Gurmu¹, Yasuhide Hobara^2,3,1, Michel Parrot⁴ (1.Department of Computer and Network Engineering, The University of Electro-Communications, Tokyo, Japan, 2.Earth Environment Research Station, The University of Electro-Communications, Tokyo, Japan, 3.Center for Space Science and Radio Engineering, The University of Electro-Communications, Tokyo, Japan, 4.LPCE/CNRS, 3A Avenue de la Recherche Scientifique, 45071 Orléans, France)

*Junpei Omura¹, Peng Han², Chie Yoshino¹, Katsumi Hattori¹, Michikuni Shimo³, Toshiharu Konishi⁴, Ryuichi Furuya⁵ (1.Graduate School of Science, Chiba University, 2.Institute of Statistical Mathematics, 3.Fujita Health University, 4.OHYO KOKEN KOGYO CO., LTD., 5.COM SYSTEM, INC.)

*Hidetoshi Nitta¹, Togo Shoho¹, Masashi Kamogawa¹, Jean-Jacques Berthelier⁴, Tetsuya Kodama², Toshiyasu Nagao³ (1.Department of Physics, Tokyo Gakugei University, 2.Japan Aerospace Exploration Agency, 3.Tokai University, 4.LATMOS, France)

*Hidetoshi Nitta¹, Togo Shoho¹, Masashi Kamogawa¹, Tomohiro Okada¹, Tetsuya Kodama², Toshiyasu Nagao³ (1.Department of Physics, Tokyo Gakugei University, 2.Japan Aerospace Exploration Agency, 3.Tokai University)