*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)