Huaichih Chang¹, Shan Wang², Yixin Sun¹, Lei Cai³, Chao Yue⁴, Boyi Wang⁵, Qiugang Zong⁶, Xuzhi Zhou⁶, Hong Zou¹, Yu Guang Ye¹, Ying Liu⁷ and Zhongze Xiao¹, (1)Peking University, Beijing, China, (2)Peking University, School of Earth and Space Sciences, Beijing, China, (3)University of Oulu, Space Physics and Astronomy Research Unit, Oulu, Finland, (4)Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, Los Angeles, China, (5)HIT Harbin Institute of Technology, Harbin, China, (6)Peking University, Institute of Space Physics and Applied Technology, Beijing, China, (7)Macau University of Science and Technology, State Key Laboratory of Lunar and Planetary Sciences, Macau, Macau