Junjie Chen, University of Science and Technology of China, Hefei, China, Jiuhou Lei, Univ. of Sci. & Tech. of Chin, Hefei, Anhui, China, Shunrong Zhang, MIT Haystack Observatory, Westford, MA, United States, Wenbin Wang, NCAR, HAO, Boulder, CO, United States and Tong Dang, University of Science and Techonology, Hefei, China