James L Garrison¹, Rashmi Shah², Jeffrey R. Piepmeier³, Rajat Bindlish⁴, David A Spencer⁵, Roger Banting⁶, Manuel Alejandro Vega³, Kameron Larsen⁷ and Signals Of Opportunity P-band Investigation (SNOOPI) Team (NASA InVEST 2018), (1)Purdue University, School of Aeronautics and Astronautics, West Lafayette, IN, United States, (2)Jet Propulsion Laboratory, Pasadena, CA, United States, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)Goddard Earth Sciences Technology and Research, Greenbelt, MD, United States, (5)Purdue University, Aeronautics and Astronautics, West Lafayette, United States, (6)NASA Goddard Space Flight Center, Greenbelt, United States, (7)NASA Jet Propulsion Laboratory, Pasadena, United States