NASA GSFC/SSAI, MS 698 Greenbelt Rd, Gereenbelt, MD 20171, United States ; George Mason University/CEOSR, 4400 University Drive, Fairfax, VA 22030, United States
Institute of Geophysics, UNAM, Ciudad Universitaria, D.F., Mexico City, 04510, Mexico
Institute of Applied Physics, CNR, Via Panciatichi, 64, Florence, 50127, Italy
George Mason University/CEOSR, 4400 University Drive, Fairfax, VA 22030, United States
George Mason University/CEOSR, 4400 University Drive, Fairfax, VA 22030, United States
LPCE/CNRS, 3A, Avenue de la Recherche, Orléans, 45071, France
NASA Goddard Space Flight Center, MS 698, Greenbelt Rd, Greenbelt, MD 20771, United States