1. Department of Physics and Astronomy, Dartmouth College Hanover New Hampshire USA
2. NASA Goddard Space Flight Center Greenbelt Maryland USA
3. Centre for Space Physics University of Newcastle Callaghan New South Wales Australia
4. Space Science and Applications (ISR‐1) Los Alamos National Laboratory Los Alamos New Mexico USA
5. LASP University of Colorado Boulder Boulder Colorado USA
6. Department of Physics and Astronomy Rice University Houston Texas USA