1. Department of Physics and Astronomy West Virginia University Morgantown WV USA
2. Space Research Institute Austrian Academy of Sciences Graz Austria
3. Southwest Research Institute San Antonio TX USA
4. Space Sciences Laboratory University of California Berkeley CA USA
5. Bartol Research Institute, Department of Physics and Astronomy University of Delaware Newark DE USA
6. IREAP University of Maryland College Park MD USA
7. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
8. Department of Astrophysical and Planetary Sciences University of Colorado Boulder Boulder CO USA
9. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
10. Geospace Physics Laboratory NASA Goddard Space Flight Center Greenbelt MD USA
11. Department of Physics Catholic University of America Washington DC USA