1. Key Laboratory of Earth and Planetary Physics Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
2. College of Earth and Planetary Sciences University of Chinese Academy of Sciences Beijing China
3. Beijing National Observatory of Space Environment Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
4. CNRS UMR 7154 Institut de Physique du Globe de Paris (IPGP) Université Paris Cité Paris France
5. High Altitude Observatory National Center for Atmospheric Research Boulder CO USA
6. COSMIC Program Office University Corporation for Atmospheric Research Boulder CO USA