1. NASA Goddard Space Flight Center Greenbelt MD USA
2. Boston University Boston MA USA
3. University of Maryland College Park MD USA
4. University of New Hampshire Durham NH USA
5. Swedish Institute of Space Physics Uppsala Sweden
6. CNRS/Ecole Polytechnique/Sorbonne Université/University Paris Sud/Observatoire de Paris Paris France
7. The Blackett Laboratory Imperial College London London UK
8. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
9. Southwest Research Institute San Antonio TX USA
10. Physics Department The Catholic University of America Washington DC USA
11. Denali Scientific Healy AK USA
12. Dartmouth College Hanover NH USA
13. Los Alamos National Laboratory Los Alamos NM USA
14. University of Texas at Arlington Arlington TX USA
15. The Aerospace Corporation El Segundo CA USA
16. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
17. University of California, Los Angeles Los Angeles CA USA