1. Aerospace Engineering Sciences; University of Colorado; Boulder Colorado USA
2. High Altitude Observatory, NCAR; Boulder Colorado USA
3. Space Environment Technologies; Pacific Palisades California USA
4. Science Systems and Applications, Inc.; Hampton Virginia USA
5. Science Directorate, NASA Langley Research Center; Hampton Virginia USA
6. Space Research Institute; Moscow Russia
7. Air Force Space Command; Colorado Springs Colorado USA
8. Department of Physics; University of Texas at Arlington; Texas USA