*Takafumi Kaneko¹, Takaaki Yokoyama¹ (1.Graduate School of Science,The University of Tokyo,Department of Earth and Planetary Science)

*Daniel T Welling¹, Jeffery J Love², Michael James Wiltberger³, Erin Joshua Rigler² (1.University of Michigan Ann Arbor, 2.USGS Central Region Offices Denver, 3.National Center for Atmospheric Research)

*Takashi Tanaka¹ (1.REPPU Code Institute)

*Paul Prikryl^1,2, Reza Ghoddousi-Fard³, Ari Viljanen⁴, James M Weygand⁵, Bharat S R Kunduri⁶, Evan G Thomas⁷, J Michael Ruohoniemi⁶, Martin Connors⁸, Donald W Danskin², P T Jayachandran¹, Knut S Jacobsen⁹, Yngvild L Andalsvik⁹, Tibor Durgonics¹⁰, Kjellmar Oksavik^11,12, Yongliang Zhang¹³, Emma Spanswick¹⁴, V Sreeja¹⁵, Marcio Aquino¹⁵ (1.Physics Department, University of New Brunswick, Fredericton, NB, Canada, 2.Geomagnetic Laboratory, Natural Resources Canada, Ottawa, ON, Canada, 3.Canadian Geodetic Survey, Natural Resources Canada, Ottawa, ON, Canada, 4.Finnish Meteorological Institute, Helsinki, Finland, 5.Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA, USA, 6.Bradley Dept. of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA, 7.Thayer School of Engineering, Dartmouth College, Hanover, NH, USA, 8.Athabasca University, Edmonton, Alberta, Canada, 9.Norwegian Mapping Authority, Hønefoss, Norway, 10.Technical University of Denmark, National Space Institute, Kongens Lyngby, Denmark, 11.Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway, 12.The University Centre in Svalbard, Longyearbyen, Norway, 13.Johns Hopkins University Applied Physics Laboratory, Laurel, MD, USA, 14.Department of Physics and Astronomy, University of Calgary, AB, Canada, 15.Nottingham Geospatial Institute, University of Nottingham, Nottingham, UK)

*Y. Wang¹, Qinghe Zhang¹, P. T. Jayachandran², Zanyang Xing¹, John Moen³, J. M. Ruohoniemi⁴, Richard Chadwick², Yuzhang Ma¹, Mark Lester⁵ (1.Shandong Univ., 2.Univ. of New Brunswick, 3.Univ. of Oslo, 4.Virginia Tech., 5.Univ. of Leicester)

*Kazuo Shiokawa¹, Katya Georgieva² (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.Space Research and Technologies Institute, Bulgarian Academy of Sciences)