Ensang Lee¹, George K Parks², Hee-Eun Kim³, Zhongwei Yang⁴, Ying D. Liu⁴ and Suiyan Fu⁵, (1)Kyung Hee University, School of Space Research, Yongin, Korea, Republic of (South), (2)Space Sciences Laboratory, University of California, Berkeley, USA, Berkeley, CA, United States, (3)School of Space Research, Kyung Hee University, Yongin, South Korea, (4)NSSC National Space Science Center, CAS, Beijing, China, (5)Peking University, School of Earth and Space Sciences, Beijing, China