David Pisa¹, Ondrej Santolik^1,2, Jan Soucek¹, Vratislav Krupar^1,3 and Oksana Kruparova¹, (1)Institute of Atmospheric Physics CAS, Department of Space Physics, Prague, Czech Republic, (2)Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic, (3)Universities Space Research Association Columbia, Columbia, MD, United States