Jonathan P Eastwood¹, Martin V Goldman², Tai Phan³, Julia E Stawarz⁴, Imogen Gingell⁵, Sadie Robertson¹, David L Newman², Benoit Lavraud⁶, Michael A Shay⁷, Paul Cassak⁸, James Frederick Drake⁹, Michael Hesse¹⁰, James Webster¹¹, James Burch¹², Daniel J Gershman¹³, Barbara L Giles¹⁴, Per-Arne Lindqvist¹⁵, Roy B Torbert¹⁶, Robert J Strangeway¹⁷ and Christopher T Russell¹⁸, (1)Imperial College London, Physics, London, United Kingdom, (2)Univ Colorado, Boulder, CO, United States, (3)Univ California, Berkeley, CA, United States, (4)Imperial College London, London, United Kingdom, (5)Imperial College London, London, SW7, United Kingdom, (6)IRAP/CNRS, Toulouse, France, (7)University of Delaware, Newark, DE, United States, (8)West Virginia University, Morgantown, WV, United States, (9)University of Maryland College Park, College Park, MD, United States, (10)University of Bergen, Bergen, Norway, (11)University of Colorado, Boulder, CO, United States, (12)Southwest Research Institute, San Antonio, TX, United States, (13)NASA Goddard Space Flight Center, Heliophysics Science Division, Greenbelt, MD, United States, (14)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (15)KTH Royal Institute of Technology, Stockholm, Sweden, (16)Univ New Hampshire, Durham, NH, United States, (17)Univ California, Los Angeles, CA, United States, (18)University of California Los Angeles, Department of Earth Planetary and Space Sciences, Los Angeles, CA, United States