Day-to-day and longitudinal variability of the equatorial electrojet as viewed from the Sun-synchronous CSES satellite - Yamazaki, Yosuke; Stolle, Claudia; Xiong, Chao; Alken, Patrick; Yang, Yanyan; Zhima, Zeren; Harding, Brian; Yan, Rui (Frontiers in Astronomy and Space Sciences, 2024)