Plasmaspheric hiss: two statistically distinct wave populations

David Malaspina, University of Colorado, Boulder, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, Allison N Jaynes, University of Colorado at Boulder, LASP, Boulder, CO, United States, George B Hospodarsky, University of Iowa, Physics and Astronomy, Iowa City, IA, United States, Jacob Bortnik, UCLA, Los Angeles, CA, United States, Robert Ergun, University of Colorado, Boulder, CO, United States and John R Wygant, University of Minnesota, School of Physics and Astronomy, Minneapolis, MN, United States