1. Bradley Department of Electrical and Computer Engineering; Center for Space Science and Engineering; Blacksburg Virginia USA
2. Department of Atmospheric and Oceanic Sciences; University of Colorado; Boulder Colorado USA
3. Laboratory for Atmospheric and Space Physics; University of Colorado; Boulder Colorado USA
4. Space Sciences Division; Naval Research Laboratory; Washington D. C. USA
5. GATS Inc.; Driggs Idaho USA
6. Center for Atmospheric Sciences; Hampton University; Hampton Virginia USA