1. Institute for Space‐Earth Environmental Research Nagoya University Nagoya Japan
2. Research Institute for Sustainable Humanosphere Kyoto University Kyoto Japan
3. School of Agriculture Kibi International University Minamiawaji Japan
4. Center for Space Science and Radio Engineering University of Electro‐Communications Chofu Japan
5. Department of Atmospheric and Oceanic Sciences University of California Los Angeles California USA
6. Geophysical Institute Kyoto University Kyoto Japan
7. Indian Institute of Geomagnetism New Mumbai India
8. International Center for Space Weather Science and Education Kyushu University Fukuoka Japan
9. National Institute of Information and Communications Technology Koganei Japan