[1] Univ Alabama, Dept Phys, Huntsville, AL 35899 USA
[2] Univ New Hampshire, Inst Study Earth Oceans & Space, Durham, NH 03824 USA
[3] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[4] USN, Res Lab, Washington, DC 20375 USA
[5] GSI, L 3 Commun, New York, NY USA
[6] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[7] Lockheed Martin Solar & Astrophys Lab, Dept L9 41, Palo Alto, CA 94304 USA
[8] CALTECH, Downs Lab 220 47, Pasadena, CA 91125 USA
[9] Sci Syst & Applicat Inc, Lanham, MD USA
[10] Univ Michigan, Dept Atmospher Ocean & Space Sci, Ann Arbor, MI 48109 USA