1. Institute for the Study of Earth, Oceans, and Space University of New Hampshire Durham NH USA
2. Southwest Research Institute Boulder CO USA
3. SRI International Menlo Park CA USA
4. Technical University of Madrid Madrid Spain
5. Atmospheric & Space Technology Research Associates (ASTRA) LLC Boulder CO USA
6. University of Michigan Ann Arbor MI USA
7. UK Met Office Exeter UK
8. NASA Ames Research Center Mountain View CA USA
9. Montana State University Bozeman MT USA
10. Laboratory for Atmospheric and Space Physics University of Colorado Boulder CO USA
11. Applied Physics Laboratory The Johns Hopkins University Laurel MD USA
12. NASA Goddard Space Flight Center Greenbelt MD USA
13. Utah State University Logan UT USA