1. The University of Minnesota Minneapolis MN USA
2. NASA Goddard Space Flight Center Greenbelt MD USA
3. University of Colorado LASP Boulder CO USA
4. Montana State University Bozeman MT USA
5. ISEE Nagoya University Nagoya Japan
6. Kanazawa University Kanazawa Japan
7. University of Calgary Calgary AB Canada
8. ISAS/JAXA Sagamihara Japan
9. Athabasca University Athabasca AB Canada
10. Sodankylä Geophysical Observatory University of Oulu Sodankylä Finland