1. Department of Electrical and Computer Engineering and the ElectroScience Laboratory, The Ohio State University, Columbus, OH, USA
2. Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) Program, University Corporation for Atmospheric Research (UCAR), Boulder, CO, USA
3. Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) Program, UCAR, Boulder, CO, USA
4. Hydrological Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA