algorithm

Sarno-Smith, L., Liemohn, M., Skoug, R., Larsen, B., Moldwin, M., Katus, R., & Wygant, J. (2016). Local time variations of high-energy plasmaspheric ion pitch angle distributions. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2015JA022301 (Original work published July 2016)