1. Department of Space Science University of Alabama in Huntsville Huntsville AL USA
2. Department of Atmospheric and Oceanic Sciences University of California, Los Angeles Los Angeles CA USA
3. The Bradley Department of Electrical and Computer Engineering Virginia Tech Blacksburg VA USA
4. High Altitude Observatory National Center for Atmospheric Research Boulder CO USA
5. Department of Earth, Planetary and Space Sciences University of California, Los Angeles Los Angeles CA USA
6. Department of Physics University of Alaska Fairbanks Fairbanks AK USA
7. Thayer School of Engineering Dartmouth College Hanover NH USA
8. Space Sciences Laboratory University of California Berkeley CA USA
9. Applied Physics Laboratory Laurel MD USA
10. Massachusetts Institute of Technology Haystack Observatory Westford MA USA