University of Chicago, Department of Geophysical Sciences 5734 S. Ellis Ave., Chicago, IL 60637, United States
University of Chicago, Department of Geophysical Sciences 5734 S. Ellis Ave., Chicago, IL 60637, United States
Scripps Institution of Oceanography, University of California San Diego Institute for Geophysics and Planetary Physics 9500 Gilman Dr. MC 0225, La Jolla, CA 92093, United States
UNAVCO, 6350 Nautilus Drive, Boulder, CO 80301, United States
Space Science and Engineering Center, University of Wisconsin-Madison 1225 W. Dayton St., Madison, WI 53706, United States