*Yen-Jung Wu¹, Brian J. Harding¹, Colin C. Triplett¹, Jonathan J. Makela², Kenneth D. Marr³, Christoph R. Englert³, John M. Harlander⁴, Thomas J. Immel¹ (1.Space Sciences Laboratory, University of California, Berkeley, CA, USA, 2.Department of Electrical and Computer Engineering, University of Illinois, Urbana-Champaign, IL, USA, 3.Space Science Division, U.S. Naval Research Laboratory, Washington, DC, USA, 4.Space Systems Research Corporation, Alexandria, VA, USA)