Tomas Karlsson¹, Daniel Heyner², Martin Volwerk³, Michiko W Morooka⁴, Charlotte Goetz⁵, Ferdinand Plaschke⁶ and Jan-Erik Wahlund⁴, (1)KTH Royal Institute of Technology, Stockholm, Sweden, (2)TU Braunschweig, Braunschweig, Germany, (3)Institut fur Welraumforschung, Graz, Austria, (4)IRF Swedish Institute of Space Physics Uppsala, Uppsala, Sweden, (5)Technical University of Braunschweig, Braunschweig, Germany, (6)IWF ÖAW, Graz, Austria