1. Ann and H.J. Smead Department of Aerospace Engineering Sciences University of Colorado Boulder CO USA
2. William B. Hanson Center for Space Sciences University of Texas at Dallas Richardson TX USA
3. Space Science Division U.S. Naval Research Laboratory Washington DC USA
4. Saint Cloud State University St Cloud MN USA
5. Space Sciences Laboratory University of California Berkeley Berkeley CA USA
6. Department of Electrical and Computer Engineering University of Illinois at Urbana‐Champaign Urbana IL USA