1. SIGMA Weather Group, State Key Laboratory of Space Weather, CSSAR; Chinese Academy of Sciences; Beijing China
2. Department of Earth and Planetary Sciences, Faculty of Sciences; Kyushu University; Fukuoka Japan
3. Key Laboratory of Ionospheric Environment, Institute of Geology and Geophysics; Chinese Academy of Sciences; Beijing China
4. Beijing National Observatory of Space Environment, Institute of Geology and Geophysics; Chinese Academy of Sciences; Beijing China
5. Department of Physics; University of Texas at Arlington; Arlington Texas USA