spacecraft data

Andreeva, V., & Tsyganenko, N. (2017). Empirical modeling of the quiet and storm-time geosynchronous magnetic field. Space Weather. http://doi.org/10.1002/2017SW001684 (Original work published December 2017)
Andreeva, V., & Tsyganenko, N. (2019). Empirical Modeling of the Geomagnetosphere for SIR and CME-Driven Magnetic Storms. Journal Of Geophysical Research: Space Physics, 124, 5641-5662. http://doi.org/10.1029/2018JA026008 (Original work published July 2019)