1. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
2. Department of Physics and Astronomy Dartmouth College Hanover NH USA
3. Department of Physics Augsburg University Minneapolis MN USA
4. Department of Engineering Andrews University Berrien Springs MI USA
5. Department of Electromagnetism and Electronics University of Murcia Murcia Spain
6. The Aerospace Corporation El Segundo CA USA
7. Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder CO USA
8. Department of Earth, Planetary, and Space Sciences Institute for Geophysics and Planetary Physics University of California at Los Angeles Los Angeles CA USA
9. Space Science Center University of New Hampshire Durham NH USA
10. Southwest Research Institute San Antonio TX USA
11. Department of Physics and Astronomy University of Texas at San Antonio San Antonio TX USA
12. NASA Goddard Space Flight Center Greenbelt MD USA