Liu Yang^1,2, Verena Heidrich-Meisner¹, Zheyi Ding¹, Robert F Wimmer-Schweingruber¹, Linghua Wang³, Alexander Kollhoff¹, Lars Berger¹, Daniel Pacheco¹, Zigong Xu⁴, Javier Rodriguez-Pacheco⁵, George C Ho⁶ and Wen Wang⁷, (1)University of Kiel, Institute for Experimental and Applied Physics, Kiel, Germany, (2)Macau University of Science and Technology, Taipa, China, (3)Peking University, Institute of Space Physics and Applied Technology, Beijing, China, (4)California Institute of Technology, Pasadena, CA, United States, (5)University of Alcalá, Space Research Group, Alcalá de Henares, Spain, (6)southwest Research Institute, San Antonio, United States, (7)Peking University, Beijing, China