Characteristics of Medium-Scale Traveling Ionospheric Disturbances and Ionospheric Irregularities at Mid-Latitudes Revealed by the Total Electron Content Associated With the Beidou Geostationary Satellite. - Fuqing Huang; Jiuhou Lei; Yuichi Otsuka; Xiaoli Luan; Yu Liu 160; Jiahao Zhong; Xiankang Dou (IEEE Trans. Geosci. Remote. Sens., 2021)