1. Laboratory for Atmospheric and Space Physics; University of Colorado at Boulder; Boulder Colorado USA
2. Department of Aerospace Engineering Sciences; University of Colorado at Boulder; Boulder Colorado USA
3. Space Science and Applications; ISR-1 Los Alamos National Laboratory; Los Alamos New Mexico USA
4. Department of Earth, Planetary, and Space Sciences; University of California; Los Angeles California USA
5. NASA/GSFC; Greenbelt Maryland USA
6. Space Sciences Department of The Aerospace Corporation; Los Angeles California USA
7. Institute for the Study of Earth, Oceans and Space; University of New Hampshire; Durham New Hampshire USA