geosynchronous

Reeves, G., Vandegriff, E., Niehof, J., Morley, S., Cunningham, G., Henderson, M., & Larsen, B. (2020). Defining Radiation Belt Enhancement Events Based on Probability Distributions. Space Weather, 18, e2020SW002528. http://doi.org/https://doi.org/10.1029/2020SW002528 (Original work published June 2020)
Denton, M., Thomsen, M., Jordanova, V., Henderson, M., Borovsky, J., Denton, J., et al. (2015). An empirical model of electron and ion fluxes derived from observations at geosynchronous orbit. Space Weather. http://doi.org/10.1002/2015SW001168 (Original work published April 2015)