1. Department of Atmospheric and Oceanic Sciences University of California Los Angeles CA USA
2. Center for Space Physics Boston University Boston MA USA
3. Earth Planetary and Space Sciences University of California Los Angeles CA USA
4. Department of Physics and Astronomy University of California Los Angeles CA USA
5. Astronomy Department University of Maryland College Park MD USA
6. Institute for the Study of Earth, Oceans, and Space University of New Hampshire Durham NH USA
7. Laboratoire de Physique des Plasmas, CNRS/Ecole Polytechnique/Sorbonne Université/Université Paris‐Sud/Observatoire de Paris Paris France
8. Laboratory of Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
9. Department of Space and Plasma Physics KTH Royal Institute of Technology Stockholm Sweden
10. NASA, Goddard Space Flight Center Greenbelt MD USA
11. Southwest Research Institute San Antonio TX USA