Konrad Steinvall¹, Yuri V Khotyaintsev², Daniel Graham¹, Andris Vaivads³, Olivier Le Contel⁴, Per-Arne Lindqvist⁵, Christopher T Russell⁶, James Webster⁷, James L Burch⁸ and Roy B Torbert⁹, (1)IRF Swedish Institute of Space Physics Uppsala, Uppsala, Sweden, (2)Swedish Institute of Space Physics, Uppsala, Sweden, (3)Royal Institute of Technology, KTH, Stockholm, Sweden, (4)Laboratoire de Physique des Plasmas (UMR7648), CNRS/Ecole Polytechnique/UPMC/Univ. Paris Sud/Obs. de Paris, Paris, France, (5)KTH Royal Institute of Technology, Stockholm, Sweden, (6)University of California Los Angeles, Department of Earth Planetary and Space Sciences, Los Angeles, CA, United States, (7)University of Colorado, Boulder, CO, United States, (8)Southwest Research Institute San Antonio, San Antonio, TX, United States, (9)Univ New Hampshire, Durham, NH, United States