1. CAS Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Science; University of Science and Technology of China; Hefei China
2. Sate Key Laboratory of Space Weather; Chinese Academy of Sciences; Beijing China
3. Mengcheng National Geophysical Observatory, School of Earth and Space Sciences; University of Science and Technology of China; Hefei China
4. Key Laboratory of Earth and Planetary Physics; Institute of Geology and Geophysics, Chinese Academy of Sciences; Beijing China
5. High-Altitude Observatory; National Center for Atmospheric Research; Boulder Colorado USA