1. Department of Physics Augsburg College Minneapolis Minnesota USA
2. School of Physics and Astronomy University of Minnesota, Twin Cities Minneapolis Minnesota USA
3. Department of Physics and Astronomy University of Iowa Iowa City Iowa USA
4. Space Science Center University of New Hampshire Durham New Hampshire USA
5. Space Weather Prediction Center NOAA Boulder Colorado USA
6. Research Institute for Sustainable Humanosphere Kyoto University Kyoto Japan
7. British Antarctic Survey Cambridge UK
8. Space Science and Applications Group Los Alamos National Laboratory Los Alamos New Mexico USA
9. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
10. The Johns Hopkins University Applied Physics Laboratory Laurel Maryland USA
11. Birkeland Centre for Space Science, Department of Physics and Technology University of Bergen Bergen Norway
12. The University Centre in Svalbard Longyearbyen Norway
13. Department of Physics University of Alberta Edmonton Alberta Canada
14. NASA/Goddard Space Flight Center Greenbelt Maryland USA
15. Sodankylä Geophysical Observatory University of Oulu Sodankylä Finland
16. STELAB Nagoya University Toyokawa Japan