1. Space Science Applications Laboratory; The Aerospace Corporation; El Segundo California USA
2. Department of Electrical and Computer Engineering; University of Illinois at Urbana-Champaign; Urbana Illinois USA
3. Department of Physical Sciences; Embry-Riddle Aeronautical University; Daytona Beach Florida USA
4. Center for Atmospheric and Space Sciences; Utah State University; Logan Utah USA
5. GATS Inc; Boulder Colorado USA