Feldman, U. (Hulburt (E. O.) Center for Space Research Washington, DC, United States)
Doschek, G. A. (U.S. Navy, E. O. Hulburt Center for Space Research, Washington D.C., United States)
Cheng, C.-C. (U.S. Navy, E. O. Hulburt Center for Space Research, Washington, D.C.; Ball Corp. Boulder, Colo., United States)
Bhatia, A. K. (NASA Goddard Space Flight Center Laboratory for Astronomy and Astrophysics, Greenbelt, Md., United States)