Radar backscatter measurement accuracy for a spaceborne pencil-beam wind scatterometer with transmit modulation. - David G. Long; Michael W. Spencer (IEEE Trans. Geosci. Remote. Sens., 1997)

Tradeoffs in the design of a spaceborne scanning pencil beam scatterometer: application to SeaWinds. - Michael W. Spencer; Chialin Wu; David G. Long (IEEE Trans. Geosci. Remote. Sens., 1997)

Improved resolution backscatter measurements with the SeaWinds pencil-beam scatterometer. - Michael W. Spencer; Chialin Wu; David G. Long (IEEE Trans. Geosci. Remote. Sens., 2000)

Polarimetric scatterometry: a promising technique for improving ocean surface wind measurements from space. - Wu-Yang Tsai; Son V. Nghiem; James N. Huddleston; Michael W. Spencer; Bryan W. Stiles; Richard D. West (IEEE Trans. Geosci. Remote. Sens., 2000)

The hydrosphere state mission: an overview. - Dara Entekhabi; Joel Smith; Michael W. Spencer; Ralph Girard (IGARSS, 2003)

High-resolution measurements with a spaceborne pencil-beam scatterometer using combined range/Doppler discrimination techniques. - Michael W. Spencer; Wu-Yang Tsai; David G. Long (IEEE Trans. Geosci. Remote. Sens., 2003)

The HYDROS radiometer/radar instrument. - Michael W. Spencer; Eni G. Njoku; Dara Entekhabi; Terence Doiron; Jeffrey R. Piepmeier; Ralph Girard (IGARSS, 2004)

The hydrosphere State (hydros) Satellite mission: an Earth system pathfinder for global mapping of soil moisture and land freeze/thaw. - Dara Entekhabi; Eni G. Njoku; Paul R. Houser; Michael W. Spencer; Terence Doiron; Yunjin Kim; Joel Smith; Ralph Girard; Stephane Belair; Wade T. Crow; Thomas J. Jackson; Yann H. Kerr; et al. (IEEE Trans. Geosci. Remote. Sens., 2004)

Spatial resolution and processing tradeoffs for HYDROS: application of reconstruction and resolution enhancement techniques. - David G. Long; Michael W. Spencer; Eni G. Njoku (IEEE Trans. Geosci. Remote. Sens., 2005)

The Aquarius Scatterometer: An Active System for Measuring Surface Roughness for Sea-Surface Brightness Temperature Correction. - Adam P. Freedman; Dalia A. McWatters; Michael W. Spencer (IGARSS, 2006)

The Aquarius Ocean Salinity Mission High Stability L-band Radiometer. - Fernando A. Pellerano; Jeffrey Piepmeier; Michael Triesky; Kevin Horgan; Joshua Forgione; J. Caldwell; William J. Wilson; Simon Yueh; Michael W. Spencer; Dalia A. McWatters; Adam P. Freedman (IGARSS, 2006)

The Soil Moisture Active/Passive Mission (SMAP). - Dara Entekhabi; Eni G. Njoku; Peggy O'Neill; Michael W. Spencer; Thomas J. Jackson; Jared Entin; Eastwood Im; Kent H. Kellogg (IGARSS (3), 2008)

The Detection and Mitigation of RFI with the Aquarius L-Band Scatterometer. - Adam P. Freedman; Jeffrey Piepmeier; Mark A. Fischman; Dalia A. McWatters; Michael W. Spencer (IGARSS (2), 2008)

The Soil Moisture Active Passive (SMAP) mission L-Band radar/radiometer instrument. - Michael W. Spencer; Kevin B. Wheeler; Chris White; Richard D. West; Jeffrey Piepmeier; Derek Hudson; James Medeiros (IGARSS, 2010)

The Soil Moisture Active Passive (SMAP) Mission. - Dara Entekhabi; Eni G. Njoku; Peggy O'Neill; Kent H. Kellogg; Wade T. Crow; Wendy N. Edelstein; Jared Entin; Shawn D. Goodman; Thomas J. Jackson; Joel T. Johnson; John S. Kimball; Jeffrey R. Piepmeier; et al. (Proc. IEEE, 2010)

RFI mitigation and detection for the SMAP radar. - Samuel F. Chan; Mark A. Fischman; Michael W. Spencer (IGARSS, 2011)

Radio frequency interference mitigation for the planned SMAP radar and radiometer. - Michael W. Spencer; Samuel F. Chan; Eric Belz; Jeffrey Piepmeier; Priscilla N. Mohammed; Edward Kim 001; Joel T. Johnson (IGARSS, 2011)

The planned Soil Moisture Active Passive (SMAP) mission L-band radar/radiometer instrument. - Michael W. Spencer; Kevin B. Wheeler; Samuel F. Chan; Jeffrey Piepmeier; Derek Hudson; James Medeiros (IGARSS, 2011)

RFI Characterization and Mitigation for the SMAP Radar. - Michael W. Spencer; Curtis W. Chen; Hirad Ghaemi; Samuel F. Chan; John E. Belz (IEEE Trans. Geosci. Remote. Sens., 2013)

A Simulation Study of Compact Polarimetry for Radar Retrieval of Soil Moisture. - Jeffrey Ouellette; Joel T. Johnson; Seung-Bum Kim; Jakob J. van Zyl; Mahta Moghaddam; Michael W. Spencer; Leung Tsang; Dara Entekhabi (IEEE Trans. Geosci. Remote. Sens., 2014)

Smap radar processing and results from calibration and validation. - Richard D. West; Sermsak Jaruwatanadilok; Mario Chaubell; Michael W. Spencer; Samuel F. Chan; Adam P. Freedman; Alexander G. Fore; Curtis W. Chen (IGARSS, 2016)

SMAP L-Band Microwave Radiometer: Instrument Design and First Year on Orbit. - Jeffrey R. Piepmeier; Paolo Focardi; Kevin A. Horgan; Joseph J. Knuble; Negar Ehsan; Jared F. Lucey; Clifford Brambora; Paula R. Brown; Pamela J. Hoffman; Richard T. French; Rebecca L. Mikhaylov; Eug-Yun Kwack; et al. (IEEE Trans. Geosci. Remote. Sens., 2017)