Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 ChinaState Key Laboratory of Space Weather Chinese Academy of Sciences Beijing 100190 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 ChinaState Key Laboratory of Space Weather Chinese Academy of Sciences Beijing 100190 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 China;
Department of Space Physics School of Electronic Information Wuhan University Wuhan 430072 China;
ionospheric D-region; electron density; tweek atmospherics;