Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States
Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States
Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States
University of Iowa, Iowa City, IA, United States
Los Alamos National Laboratory, Los Alamos, NM, United States
Southwest Research Institute, San Antonio, TX, United States
Department of Space Physics, Institute of Atmospheric Physics CAS, Prague, Czech RepublicAF: Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic