Ondrej Santolik^1,2, George B Hospodarsky³, Jolene S Pickett³, William S Kurth³, Nicole Cornilleau-Wehrlin⁴ and Craig Kletzing³, (1)Department of Space Physics, Institute of Atmospheric Physics CAS, Prague, Czech Republic, (2)Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic, (3)University of Iowa, Department of Physics and Astronomy, Iowa City, IA, United States, (4)Laboratoire de Physique des Plasmas, Saint-Maur Des Fossés Cedex, France