1. Shandong Provincial Key Laboratory of Optical Astronomy and Solar‐Terrestrial Environment Institute of Space Sciences Shandong University Weihai China
2. Department of Physics and Technology Birkeland Centre for Space Sciences University of Bergen Bergen Norway
3. Arctic Geophysics University Centre in Svalbard Longyearbyen Norway
4. Department of Atmospheric and Oceanic Sciences University of California CA Los Angeles USA
5. William B. Hanson Center for Space Sciences University of Texas at Dallas Richardson TX USA
6. National Key Laboratory of Electromagnetic Environment China Research Institute of Radiowave Propagation Qingdao China
7. Polar Research Institute of China Shanghai China