1. Department of Space Science University of Alabama in Huntsville Huntsville AL USA
2. Department of Mechanical Engineering and Center for Space Physics Boston University Boston MA 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 Atmospheric and Oceanic Sciences University of California Los Angeles CA USA
6. Department of Earth, Planetary and Space Sciences University of California Los Angeles CA USA
7. Massachusetts Institute of Technology Haystack Observatory Westford MA USA
8. Los Alamos National Laboratory Los Alamos NM USA