1. State Key Laboratory of Space Weather National Space Science Center, Chinese Academy of Sciences Beijing China
2. High Altitude Observatory National Center for Atmospheric Research Boulder CO USA
3. MIT Haystack Observatory Westford MA USA
4. Hubei Subsurface Multi‐scale Imaging Lab China University of Geosciences (Wuhan) Wuhan China
5. National Center for Space Weather, China Meteorological Administration Beijing China
6. Scientific Solutions Inc. Chelmsford MA USA
7. Institute of Space Weather, College of Math and Statistics Nanjing University of Information Science and Technology Nanjing China