1. Department of Physics and Astronomy Dartmouth College Hanover NH USA
2. High Altitude Observatory National Center for Atmospheric Research Boulder CO USA
3. Cooperative Institute for Research in Environmental Sciences University of Colorado Boulder Boulder CO USA
4. Space Vehicles Directorate Air Force Research Laboratory Kirtland AFB NM USA
5. Space Science and Application Los Alamos National Laboratory Los Alamos NM USA
6. Center for Space Physics Boston University Boston MA USA