Remote sensing of soil moisture using P-band signals of opportunity (SoOp): Initial results. - James L. Garrison; Yao-Cheng Lin; Benjamin Nold; Jeffrey R. Piepmeier; Manuel A. Vega; Matthew A. Fritts; Cornelis F. Du Toit; Joseph J. Knuble (IGARSS, 2017)

The radio frequency environment at 240-270 MHz with application to signal-of-opportunity remote sensing. - Jeffrey Piepmeier; Manuel Vega; Matthew A. Fritts; Cornelis F. Du Toit; Joseph J. Knuble; Yao-Cheng Lin; Benjamin Nold; James L. Garrison (IGARSS, 2017)

Remote Sensing of Root-Zone Soil Moisture Using I- and P-Band Signals of Opportunity: Instrument Validation Studies. - James L. Garrison; Mehmet Kurum; Benjamin Nold; Jeffrey Piepmeier; Manuel A. Vega; Rajat Bindlish; Garett Pignotti (IGARSS, 2018)

Inversion Study of Simulated and Physical Soil Moisture Profiles using Multifrequency Soop-Sources. - Dylan R. Boyd; Manuel A. Vega; Rajat Bindlish; Mehmet Kurum; James L. Garrison; Benjamin Nold; Ali Cafer Gürbüz; Bryan LaGrone; Orhan Eroglu; Robiulhossain Mdrafi; Jeffrey Piepmeier (IGARSS, 2019)

SNOOPI: A Technology Validation Mission for P-band Reflectometry using Signals of Opportunity. - James L. Garrison; Rajat Bindlish; Jeffrey Piepmeier; Rashmi Shah; Manuel A. Vega; David A. Spencer; Roger Banting; Cynthia M. Firman; Benjamin Nold; Kameron Larsen (IGARSS, 2019)

Analyses Supporting SNOOPI: A P-Band Reflectometry Demonstration. - James L. Garrison; Rashmi Shah; Seho Kim; Jeffrey Piepmeier; Manuel A. Vega; David A. Spencer; Roger Banting; Juan C. Raymond; Benjamin Nold; Kameron Larsen; Rajat Bindlish (IGARSS, 2020)

SCoBi Multilayer: A Signals of Opportunity Reflectometry Model for Multilayer Dielectric Reflections. - Dylan Boyd; Mehmet Kurum; Orhan Eroglu; Ali Cafer Gürbüz; James L. Garrison; Benjamin Nold; Manuel A. Vega; Jeffrey R. Piepmeier; Rajat Bindlish (Remote. Sens., 2020)

Cramer-Rao Lower Bound for SoOp-R-Based Root-Zone Soil Moisture Remote Sensing. - Dylan R. Boyd; Ali Cafer Gürbüz; Mehmet Kurum; James L. Garrison; Benjamin Nold; Jeffrey R. Piepmeier; Manuel Vega; Rajat Bindlish (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020)

Development of Spaceborne SoOp Reflectometry Model for Complex Terrains. - Dylan R. Boyd; Mehmet Kurum; James L. Garrison; Benjamin Nold; Manuel S. Vega; Rajat Bindlish; Jeffrey Piepmeier (IGARSS, 2021)

SNOOPI: Demonstrating P-Band Reflectometry from Orbit. - James L. Garrison; Rashmi Shah; Benjamin Nold; Justin R. Mansell; Manuel A. Vega; Juan C. Raymond; Rajat Bindlish; Mehmet Kurum; Jeffrey Piepmeier; Seho Kim; Roger Banting; Kameron Larsen (IGARSS, 2021)

Multi-Frequency Signals of Opportunity Soil Moisture Retrievals for Agricultural Applications. - Seho Kim; Eric P. Smith; Benjamin R. Nold; Archana S. Choudhari; James L. Garrison (IGARSS, 2022)

Design of a Ground Based Power and Ambiguity Function Monitor for P-Band Signals of Opportunity Sources. - Benjamin Nold; Manuel A. Vega; James L. Garrison (IGARSS, 2022)

A Spaceborne Demonstration of P-Band Signals-of-Opportunity (SoOp) Reflectometry. - James L. Garrison; Benjamin Nold; Dallas Masters; Conor Brown; Jordan Bridgeman; Justin R. Mansell; Manuel S. Vega; Rajat Bindlish; Jeffrey Piepmeier; Sachidananda R. Babu (IEEE Geosci. Remote. Sens. Lett., 2023)