Longitude variations of medium-scale traveling ionospheric disturbances from global GPS TEC observations
Fuqing Huang, University of Science and Technology of China, Hefei, China, Yuichi Otsuka, ISEE, Nagoya University, Nagoya, Japan, Jiuhou Lei, Univ. of Sci. & Tech. of Chin, Hefei, Anhui, China and Xiankang Dou, USTC University of Science and Technology of China, Hefei, China
