1. Department of Earth, Planetary, and Space Sciences University of California Los Angeles Los Angeles CA USA
2. ASTRA LLC Louisville CO USA
3. Department of Atmospheric and Oceanic Sciences University of California Los Angeles Los Angeles CA USA
4. School of Science RMIT University Melbourne VIC Australia
5. Technical Executive Electric Power Research Institute Knoxville TN USA
6. School of Electrical Engineering Georgia Institute of Technology Atlanta GA USA
7. NASA Goddard Space Flight Center Greenbelt MD USA
8. Catholic University of America Washington DC USA