1. CAS Key Laboratory of Geospace Environment, School of Earth and Space Sciences University of Science and Technology of China Hefei China
2. Mengcheng National Geophysical Observatory University of Science and Technology of China Hefei China
3. High Altitude Observatory National Center for Atmospheric Research Boulder Colorado USA
4. Collaborative Innovation Center of Astronautical Science and Technology Harbin China
5. Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China