1. Space Sciences Department The Aerospace Corporation El Segundo California USA
2. Department of Physics University of Alberta Edmonton Alberta Canada
3. Applied Physics Laboratory Johns Hopkins University Laurel Maryland USA
4. Department of Physics and Astronomy Dartmouth College Hanover New Hampshire USA
5. Institute for the Study of Earth, Oceans, and Space University of New Hampshire Durham New Hampshire USA
6. Space and Atmospheric Sciences Group Los Alamos National Laboratory Los Alamos New Mexico USA
7. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Colorado USA
8. Department of Physics and Astronomy University of Iowa Iowa City Iowa USA
9. Solar System Exploration Division Goddard Space Flight Center Greenbelt Maryland USA
10. Physics Department and Space Science Center University of New Hampshire Durham New Hampshire USA
11. School of Physics and Astronomy University of Minnesota Minneapolis Minnesota USA