1. Plasma Physics Laboratory; Princeton University; Princeton New Jersey USA
2. Southwest Research Institute; San Antonio Texas USA
3. Physics Astronomy; University of Texas at San Antonio; San Antonio Texas USA
4. Laboratory of Atmospheric and Space Physics; University of Colorado Boulder; Boulder Colorado USA
5. Geophysical Institute; University of Alaska Fairbanks; Fairbanks Alaska USA
6. Los Alamos National Laboratory; Los Alamos New Mexico USA
7. Johns Hopkins University Applied Physics Laboratory; Laurel Maryland USA
8. Department of Physics; University of New Hampshire; Durham New Hampshire USA
9. Earth & Planetary Sciences; Johns Hopkins University; Baltimore Maryland USA
10. Southwest Research Institute; Boulder Colorado USA
11. NASA Ames Research Center; Space Science Division; Moffett Field California USA