[1] CALTECH, Jet Prop Lab, Pasadena, CA USA
[2] Battel Engn, Paradise Valley, CA USA
[3] Univ Michigan, Space Phys Res Lab, Ann Arbor, MI 48109 USA
[4] Moxtek Inc, Orem, UT USA
[5] XOS Inc, East Greenbush, NY USA
[6] SUNY Stony Brook, Stony Brook, NY 11794 USA
[7] Univ Washington, Appl Phys Lab, Seattle, WA 98105 USA
[8] Hertzberg Engn, Mountain View, CA USA