1. CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences; University of Science & Technology of China; Hefei Anhui China
2. Mengcheng National Geophysical Observatory, School of Earth & Space Sciences; University of Science & Technology of China; Hefei China
3. State Key Laboratory of Space Weather; Chinese Academy of Sciences; Beijing China
4. Graduate University of Chinese Academy of Science; Beijing China
5. National Key Laboratory of Electromagnetic Environment; China Research Institute of Radiowave Propagation; Qingdao China
6. Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan China
7. The Institute of Optics and Electronics; Chinese Academy of Sciences; Chengdu China