The relationship between Terrestrial Gamma-ray Flash and Narrow Bipolar Event

Hongbo Zhang, IAP Insititute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, Xiushu Qie, Inst. of Atmospheric Physics, Beijing, China, Gaopeng Lu, Key Laboratory of Geospace Environment, University of Science and Technology of China, Hefei, China, Fanchao Lyu, Nanjing Joint Institute for Atmospheric Sciences, Nanjing, China, Shaolin Xiong, IHEP Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China, Yunjiao Pu, Duke University, Electrical and Computer Engineering, Durham, NC, United States, Steve Cummer, Duke University, Electrical and Computer Engineering Department, Durham, NC, United States, Mohd Riduan Ahmad, Universiti Teknikal Malaysia Melaka, Melaka, Malaysia and Michael S Briggs, CSPAR, The University of Alabama in Huntsville, Huntsville, United States