Journal ArticleEquatorial Ionization Anomaly Discontinuity Observed by GOLD, COSMIC‐2, and Ground‐Based GPS Receivers' NetworkCai, Xuguang; Wang, Wenbin; Eastes, Richard W.; Qian, Liying; Pedatella, Nicholas.M.; Aa, Ercha; Zhang, Shunrong; Coster, Anthea; Daniell, Robert E.; McClintock, William E.2023-05-2810436608Geophysical Research Letters50100094-8276https://doi.org/10.1029/2023GL1029942054356; 2149698; 1952737; 2033787; 2033843National Science Foundation