TOPEX/Poseidon Microwave Radiometer (TMR). II. Antenna pattern correction and brightness temperature algorithm. - Michael A. Janssen; Christopher S. Ruf; Stephen J. Keihm (IEEE Trans. Geosci. Remote. Sens., 1995)

TOPEX/Poseidon microwave radiometer (TMR). III. Wet troposphere range correction algorithm and pre-launch error budget. - Stephen J. Keihm; Michael A. Janssen; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 1995)

Digital correlators for synthetic aperture interferometric radiometry. - Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 1995)

TOPEX/Poseidon Microwave Radiometer (TMR). I. Instrument description and antenna temperature calibration. - Christopher S. Ruf; Stephen J. Keihm; Michael A. Janssen (IEEE Trans. Geosci. Remote. Sens., 1995)

Combined Microwave Radiometer and Altimeter Retrieval of Wet Path Delay for the GEOSAT Follow-On. - Christopher S. Ruf; Rajiv P. Dewan; Bala Subramanya (IEEE Trans. Geosci. Remote. Sens., 1996)

Retrieval of tropospheric water vapor scale height from horizontal turbulence structure. - Christopher S. Ruf; Shawn E. Beus (IEEE Trans. Geosci. Remote. Sens., 1997)

Improvements and complications involved with adding an 85-GHz channel to cloud liquid water radiometers. - Justin P. Bobak; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2000)

A modified model for specular sea surface emissivity at microwave frequencies. - Sandra Cruz-Pol; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2000)

TOPEX microwave radiometer performance evaluation, 1992-1998. - Stephen J. Keihm; Victor Zlotnicki; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2000)

Detection of calibration drifts in spaceborne microwave radiometers using a vicarious cold reference. - Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2000)

The effect of atmospheric stability on microwave excess emissivity due to wind. - Jude C. Giampaolo; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2001)

Impacts of mobile radar and telecommunications systems on Earth remote sensing in the 22-27 GHz range. - Albin J. Gasiewski; Christopher S. Ruf; Marwan Younis; Werner Wiesbeck (IGARSS, 2002)

A feasibility study for a wide-swath, airborne, hurricane imaging microwave radiometer for operational hurricane measurements. - W. Linwood Jones; Jun-Dung Park; Josko Zec; Christopher S. Ruf; Marion C. Bailey; James W. Johnson (IGARSS, 2002)

Lightweight rainfall radiometer STAR aircraft sensor. - Christopher S. Ruf; Caleb Principe; Tom Dod; Brian Gosselin; Bryan Monosmith; Stephen B. Musko; Steven A. Rogacki; Alphonso Stewart; Zhaonan Zhang (IGARSS, 2002)

How digital correlation affects the fringe washing function in L-band aperture synthesis radiometry. - Mark A. Fischman; Anthony W. England; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2002)

Characterization and correction of a drift in calibration of the TOPEX microwave radiometer. - Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2002)

The dependence of nadir ocean surface emissivity on wind vector as measured with microwave radiometer. - Ngan Tran; Douglas C. Vandemark; Christopher S. Ruf; Bertrand Chapron (IEEE Trans. Geosci. Remote. Sens., 2002)

On-orbit microwave blackbody calibration using regions of dense vegetation. - Shannon T. Brown; Christopher Ruf (IGARSS, 2003)

Preliminary validation and performance of the Jason microwave radiometer. - Shannon T. Brown; Christopher Ruf; Stephen J. Keihm; Amarit Kitiyakara (IGARSS, 2003)

WindSat SDR and EDR on orbit calibration and validation. - Sandra Lindström; Christopher Ruf (IGARSS, 2003)

X-band lightweight rainfall radiometer first light. - Christopher Ruf; Caleb Principe (IGARSS, 2003)

Comparison of microwave radiometer brightness temperature over a hot reference area. - Ngan Tran; Estelle Obligis; Laurence Eymard; Christopher Ruf (IGARSS, 2003)

A correlated noise calibration standard for interferometric, polarimetric, and autocorrelation microwave radiometers. - Christopher S. Ruf; Jikang Li (IEEE Trans. Geosci. Remote. Sens., 2003)

Simultaneous retreival of surface wind speed and rain rate using radar and radiometer measurements. - Shannon T. Brown; Christopher S. Ruf (IGARSS, 2004)

GeoSTAR - a microwave sounder for geostationary satellites. - Bjorn Lambrigtsen; William J. Wilson; Alan B. Tanner; Todd Gaier; Christopher S. Ruf; Jeffrey R. Piepmeier (IGARSS, 2004)

WindSat calibration and geophysical parameter estimation. - Christopher S. Ruf; Shannon T. Brown; Ying Hu; Hirofumi Kawakubo (IGARSS, 2004)

Prototype development of a geostationary synthetic thinned aperture radiometer, GeoSTAR. - Alan B. Tanner; William J. Wilson; Pekka Kangaslahti; Bjorn H. Lambrigsten; Steve J. Dinardo; Jeffrey R. Piepmeier; Christopher S. Ruf; Steven A. Rogacki; Steven M. Gross; Stephen B. Musko (IGARSS, 2004)

STAR concept for passive microwave temperature sounding from middle earth orbit (MeoSTAR). - William J. Wilson; Alan B. Tanner; Bjorn Lambrigtsen; Terence Doiron; Jeffrey R. Piepmeier; Christopher S. Ruf (IGARSS, 2004)

Detection of RFI by its Amplitude Probability Distribution. - Christopher Ruf; Sidharth Misra; Steven M. Gross; Roger D. De Roo (IGARSS, 2006)

An emissivity-based wind vector retrieval algorithm for the WindSat polarimetric radiometer. - Shannon T. Brown; Christopher S. Ruf; David Lyzenga (IEEE Trans. Geosci. Remote. Sens., 2006)

Foreword to the Special Issue on the WindSat Spaceborne Polarimetric Radiometer - Calibration/Validation and Wind Vector Retrieval. - Peter W. Gaiser; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2006)

RFI detection and mitigation for microwave radiometry with an agile digital detector. - Christopher S. Ruf; Steven M. Gross; Sidharth Misra (IEEE Trans. Geosci. Remote. Sens., 2006)

Calibration of WindSat polarimetric channels with a vicarious cold reference. - Christopher S. Ruf; Ying Hu; Shannon T. Brown (IEEE Trans. Geosci. Remote. Sens., 2006)

Instrument design simulations for synthetic aperture microwave radiometric imaging of wind speed and rain rate in hurricanes. - Ruba Akram Amarin; Salem F. El-Nimri; James W. Johnson; W. Linwood Jones; Boon H. Lim; Christopher S. Ruf (IGARSS, 2007)

Ocean water vapor and cloud burden trends derived from the topex microwave radiometer. - Shannon T. Brown; Shailen Desai; Stephen J. Keihm; Christopher S. Ruf (IGARSS, 2007)

Restrictions on the field of view for an undersampled 1-D synthetic thinned aperture radiometry. - Boon H. Lim; Ruba Akram Amarin; Salem El-Nimri; James W. Johnson; W. Linwood Jones; Christopher S. Ruf (IGARSS, 2007)

Characterization of the aquarius and juno radiometers using a programmable digital noise source. - Jinzheng Peng; Christopher S. Ruf; Shannon T. Brown; Jeffrey R. Piepmeier (IGARSS, 2007)

Sensitivity of the kurtosis statistic as a detector of pulsed sinusoidal radio frequency interfer. - Roger D. De Roo; Sidharth Misra; Christopher S. Ruf (IGARSS, 2007)

An L-band Radio Frequency Interference (RFI) detection and mitigation testbed for microwave radiometry. - Roger D. De Roo; Christopher S. Ruf; Kazem Sabet (IGARSS, 2007)

The hurricane imaging radiometer - an octave bandwidth synthetic thinned array radiometer. - Christopher S. Ruf; Ruba Akram Amarin; Marion C. Bailey; Boon H. Lim; Robbie Hood; Mark W. James; James W. Johnson; W. Linwood Jones; Vanessa Rohwedder; Karen Stephens (IGARSS, 2007)

Field tests of the GeoSTAR demonstrator instrument. - Alan B. Tanner; Shannon T. Brown; Todd C. Gaier; Bjorn H. Lambrigsten; Boon H. Lim; Christopher S. Ruf; Francesc Torres 002 (IGARSS, 2007)

Sensitivity of the Kurtosis Statistic as a Detector of Pulsed Sinusoidal RFI. - Roger D. De Roo; Sidharth Misra; Christopher Ruf (IEEE Trans. Geosci. Remote. Sens., 2007)

GEOSAT Follow-On Water Vapor Radiometer: Performance With a Shared Active/Passive Antenna. - Christopher Ruf; April M. Warnock (IEEE Trans. Geosci. Remote. Sens., 2007)

Initial Results of the Geostationary Synthetic Thinned Array Radiometer (GeoSTAR) Demonstrator Instrument. - Alan B. Tanner; William J. Wilson; Bjorn H. Lambrigsten; Steve J. Dinardo; Shannon T. Brown; Pekka Kangaslahti; Todd Gaier; Christopher Ruf; Steven M. Gross; Boon H. Lim; Stephen B. Musko; Steven A. Rogacki; et al. (IEEE Trans. Geosci. Remote. Sens., 2007)

Performance Simulations for a Synthetic Aperture Radiometer Measuring Peak Surface Wind Speed in Hurricanes. - Ruba Akram Amarin; Boon H. Lim; Christopher Ruf; James W. Johnson; W. Linwood Jones (IGARSS (1), 2008)

A High Resolution Full Earth Disk Model for Microwave Observations from GEO. - Boon H. Lim; Christopher Ruf; Alan B. Tanner (IGARSS (3), 2008)

Vicarious Calibration of Global Precipitation Measurement Microwave Radiometers. - Darren McKague; Christopher Ruf; John J. Puckett (IGARSS (4), 2008)

Comparison of Pulsed Sinusoid Radio Frequency Interference Detection Algorithms Using Time and Frequency Sub-Sampling. - Sidharth Misra; Christopher Ruf (IGARSS (2), 2008)

Detectability of Radio Frequency Interference due to Spread Spectrum Communication Signals using the Kurtosis Algorithm. - Sidharth Misra; Christopher Ruf; Rachael Kroodsma (IGARSS (2), 2008)

Detection of Radio-Frequency Interference for the Aquarius Radiometer. - Sidharth Misra; Christopher Ruf (IEEE Trans. Geosci. Remote. Sens., 2008)

Calibration Method for Fully Polarimetric Microwave Radiometers Using the Correlated Noise Calibration Standard. - Jinzheng Peng; Christopher Ruf (IEEE Trans. Geosci. Remote. Sens., 2008)

Covariance Statistics of Polarimetric Brightness Temperature Measurements. - Jinzheng Peng; Christopher Ruf (IEEE Trans. Geosci. Remote. Sens., 2008)

Microwave Radiometer Inter-calibration using the Vicarious Calibration Method. - Darren McKague; Christopher Ruf; John J. Puckett (IGARSS (4), 2009)

Inversion Algorithm for Estimating Radio Frequency Interference Characteristics based on Kurtosis Measurements. - Sidharth Misra; Christopher Ruf (IGARSS (2), 2009)

A High-Resolution Full-Earth Disk Model for Evaluating Synthetic Aperture Passive Microwave Observations From GEO. - Boon H. Lim; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2009)

Microwave Radiometer Radio-Frequency Interference Detection Algorithms: A Comparative Study. - Sidharth Misra; Priscilla N. Mohammed; Baris Güner; Christopher S. Ruf; Jeffrey R. Piepmeier; Joel T. Johnson (IEEE Trans. Geosci. Remote. Sens., 2009)

Editorial. - Christopher Ruf (IEEE Trans. Geosci. Remote. Sens., 2009)

The Hurricane Imaging Radiometer wide swath simulation and wind speed retrievals. - Ruba Akram Amarin; W. Linwood Jones; James W. Johnson; Christopher Ruf; Timothy L. Miller; Eric Uhlhorn (IGARSS, 2010)

K-Band Radio frequency Interference Survey of Southeastern Michigan. - Shannon Curry; Michael Ahlers; Harvey Elliot; Steven M. Gross; Darren McKague; Sidharth Misra; John J. Puckett; Christopher Ruf (IGARSS, 2010)

Analysis of anechoic chamber testing of the Hurricane Imaging Radiometer. - David Fenigstein; Christopher Ruf; Mark W. James; David Simmons; Timothy Miller 003; Courtney Buckley (IGARSS, 2010)

Stability of the vicarious cold calibration statistic for the GPM constellation. - Rachael Kroodsma; Darren McKague; John J. Puckett; Christopher Ruf (IGARSS, 2010)

Characterization of K-band radio frequency interference from AMSR-E, WindSat and SSM/I. - Darren McKague; John J. Puckett; Christopher Ruf (IGARSS, 2010)

WindSat retrieval of ocean surface wind speeds in tropical cyclones. - Amanda Mims; Rachael Kroodsma; Christopher Ruf; Darren McKague (IGARSS, 2010)

Evaluation of the kurtosis algorithm in detecting radio frequency interference from multiple sources. - Sidharth Misra; Roger D. De Roo; Christopher Ruf (IGARSS, 2010)

An Improved C-Band Ocean Surface Emissivity Model at Hurricane-Force Wind Speeds Over a Wide Range of Earth Incidence Angles. - Salem F. El-Nimri; W. Linwood Jones; Eric Uhlhorn; Christopher Ruf; James W. Johnson; Peter G. Black (IEEE Geosci. Remote. Sens. Lett., 2010)

Covariance Statistics of Fully Polarimetric Brightness Temperature Measurements. - Jinzheng Peng; Christopher S. Ruf (IEEE Geosci. Remote. Sens. Lett., 2010)

Impact of Spatial Resolution on Wind Field Derived Estimates of Air Pressure Depression in the Hurricane Eye. - Ruba Akram Amarin; Christopher Ruf; W. Linwood Jones (Remote. Sens., 2010)

GeoSTAR-II: A prototype water vapor imager/sounder for the PATH mission. - Todd Gaier; Bjorn Lambrigtsen; Pekka Kangaslahti; Boon H. Lim; Alan B. Tanner; Dennis Harding; Heather Owen; Mary Soria; Ian O'Dwyer; Christopher Ruf; Ryan Miller; Bruce P. Block; et al. (IGARSS, 2011)

Robustness of the vicarious cold calibration algorithm in the double difference method for GPM inter-calibration. - Rachael Kroodsma; Darren McKague; Christopher Ruf (IGARSS, 2011)

A Consensus Calibration based on TMI and Windsat. - Thomas Wilheit; Wesley K. Berg; W. Linwood Jones; Rachael Kroodsma; Darren McKague; Christopher Ruf; Mathew R. P. Sapiano (IGARSS, 2011)

Beam Spoiling Correction for Spaceborne Microwave Radiometers Using the Two-Point Vicarious Calibration Method. - Darren McKague; Christopher Ruf; John J. Puckett (IEEE Trans. Geosci. Remote. Sens., 2011)

Airborne L-Band Radio Frequency Interference Observations From the SMAPVEX08 Campaign and Associated Flights. - James Park 001; Joel T. Johnson; Ninoslav Majurec; Noppasin Niamsuwan; Jeffrey R. Piepmeier; Priscilla N. Mohammed; Christopher S. Ruf; Sidharth Misra; Simon Yueh; Steve J. Dinardo (IEEE Trans. Geosci. Remote. Sens., 2011)

Spectral dependence of the response time of sea state to local wind forcing. - David D. Chen; Scott Gleason 001; Christopher Ruf; Mounir Adjrad (IGARSS, 2012)

Satellite attitude analysis using the vicarious cold calibration method for microwave radiometers. - Rachael Kroodsma; Darren McKague; Christopher Ruf (IGARSS, 2012)

Aquarius engineering phase on-orbit TA calibration. - Amanda Mims; Christopher Ruf (IGARSS, 2012)

Aquarius radiometer RFI detection, mitigation and impact assessment. - Christopher Ruf; David D. Chen; David M. Le Vine; Paolo de Matthaeis; Jeffrey Piepmeier (IGARSS, 2012)

The CYGNSS nanosatellite constellation hurricane mission. - Christopher S. Ruf; Scott Gleason 001; Zorana Jelenak; Stephen J. Katzberg; Aaron J. Ridley; Randall Rose; John Scherrer; Valery U. Zavorotny (IGARSS, 2012)

Calibration and image reconstruction for The Hurricane Imaging Radiometer (HIRAD). - Christopher Ruf; J. Brent Roberts; Sayak K. Biswas; Mark W. James; Timothy Miller 003 (IGARSS, 2012)

Inter-Calibration of Microwave Radiometers Using the Vicarious Cold Calibration Double Difference Method. - Rachael Kroodsma; Darren S. McKague; Christopher S. Ruf (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2012)

Hurricane Wind Speed Measurements in Rainy Conditions Using the Airborne Hurricane Imaging Radiometer (HIRAD). - Ruba Akram Amarin; W. Linwood Jones; Salem F. El-Nimri; James W. Johnson; Christopher S. Ruf; Timothy L. Miller; Eric Uhlhorn (IEEE Trans. Geosci. Remote. Sens., 2012)

Analysis of Radio Frequency Interference Detection Algorithms in the Angular Domain for SMOS. - Sidharth Misra; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2012)

An Improved Radio Frequency Interference Model: Reevaluation of the Kurtosis Detection Algorithm Performance Under Central-Limit Conditions. - Sidharth Misra; Roger D. De Roo; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2012)

Effect of microwave radiometer inter-calibration on rainfall accumulation for the global precipitation measurement mission. - Rachael Kroodsma; Darren McKague; Christopher Ruf (IGARSS, 2013)

The Hurricane Imaging Radiometer: Present and future. - Timothy L. Miller; Mark W. James; Jason B. Roberts; Sayak K. Biswas; Daniel Cecil; W. Linwood Jones; James W. Johnson; Spencer Farrar; Saleem Sahawneh; Christopher S. Ruf; Mary Morris; Eric Uhlhorn; et al. (IGARSS, 2013)

Aquarius RFI detection and mitigation. - David M. Le Vine; Paolo de Matthaeis; Christopher Ruf; David D. Chen; Emmanuel P. Dinnat (IGARSS, 2013)

Extension of Vicarious Cold Calibration to 85-92 GHz for Spaceborne Microwave Radiometers. - Rachael Kroodsma; Darren McKague; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2013)

A novel method to estimate the RFI environment. - David D. Chen; Christopher Ruf (IGARSS, 2014)

Spaceborne GNSS-R Minimum Variance Wind Speed Estimator. - Maria Paola Clarizia; Christopher S. Ruf; Philip Jales; Christine Gommenginger (IEEE Trans. Geosci. Remote. Sens., 2014)

Radio-Frequency Interference Mitigation for the Soil Moisture Active Passive Microwave Radiometer. - Jeffrey R. Piepmeier; Joel T. Johnson; Priscilla N. Mohammed; Damon Bradley; Christopher Ruf; Mustafa Aksoy; Rafael García; Derek Hudson; Lynn Miles; Mark Englin Wong (IEEE Trans. Geosci. Remote. Sens., 2014)

Aquarius RFI Detection and Mitigation Algorithm: Assessment and Examples. - David M. Le Vine; Paolo de Matthaeis; Christopher S. Ruf; David D. Chen (IEEE Trans. Geosci. Remote. Sens., 2014)

Calibration, Microwave Radiometers. - Christopher Ruf (Encyclopedia of Remote Sensing, 2014)

Microwave Radiometers, Correlation. - Christopher Ruf (Encyclopedia of Remote Sensing, 2014)

Surface Truth. - Christopher Ruf (Encyclopedia of Remote Sensing, 2014)

Target detection using GPS signals of opportunity. - Maria Paola Clarizia; Paolo Braca; Christopher S. Ruf; Peter Willett 001 (FUSION, 2015)

Test methodology for the geostar correlator. - David Austerberry; Todd Gaier; Pekka Kangaslahti; Bjorn Lambrigtsen; Darren McKague; Isaac Ramos-Pérez; Christopher Ruf; Alan B. Tanner (IGARSS, 2015)

Examination of a Coupled-Pixel Model (CPM) atmospheric retrieval algorithm. - Mary Morris; Christopher S. Ruf (IGARSS, 2015)

Identifying and resolving a calibration issue with GMI. - John Xun Yang; Darren S. McKague; Christopher S. Ruf (IGARSS, 2015)

Adaptive Control of Undetected Radio Frequency Interference With a Spaceborne Microwave Radiometer. - David D. Chen; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2015)

A 180 GHz prototype for a geostationary microwave imager/sounder-GeoSTAR-III. - Todd Gaier; Pekka Kangaslahti; Bjorn Lambrigtsen; Isaac Ramos-Pérez; Alan B. Tanner; Darren McKague; Christopher Ruf; Michael J. Flynn; Zhengya Zhang; Roger Backhus; David Austerberry (IGARSS, 2016)

Enabling the NASA decadal-survey "PATH" mission. - Bjorn Lambrigtsen; Todd Gaier; Pekka Kangaslahti; Boon H. Lim; Alan B. Tanner; Christopher Ruf (IGARSS, 2016)

Earth antenna temperature variability for CYGNSS. - Mary Morris; David D. Chen; Christopher S. Ruf (IGARSS, 2016)

Examining GMI intercalibration dependence on the full dynamic range of brightness temperature using cold and warm end tie points. - John Xun Yang; Darren S. McKague; Christopher S. Ruf; Hu Yang 002; Fuzhong Weng (IGARSS, 2016)

On the Spatial Resolution of GNSS Reflectometry. - Maria Paola Clarizia; Christopher S. Ruf (IEEE Geosci. Remote. Sens. Lett., 2016)

Wind Speed Retrieval Algorithm for the Cyclone Global Navigation Satellite System (CYGNSS) Mission. - Maria Paola Clarizia; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2016)

Calibration and Unwrapping of the Normalized Scattering Cross Section for the Cyclone Global Navigation Satellite System. - Scott Gleason 001; Christopher S. Ruf; Maria Paola Clarizia; Andrew J. O'Brien 001 (IEEE Trans. Geosci. Remote. Sens., 2016)

Boreal, Temperate, and Tropical Forests as Vicarious Calibration Sites for Spaceborne Microwave Radiometry. - John Xun Yang; Darren S. McKague; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2016)

Calibration and validation processing for the CYGNSS wind speed retrieval algorithm. - Rajeswari Balasubramaniam; Christopher S. Ruf; Darren McKague; Maria Paola Clarizia; Scott Gleason 001 (IGARSS, 2017)

Generation of cygnss level 2 wind speed data products. - Maria Paola Clarizia; Christopher S. Ruf; Scott Gleason 001; Rajeswari Balasubramaniam; Darren McKague (IGARSS, 2017)

Calibration and validation of the cygnss level 1 data products. - Scott Gleason 001; Christopher Ruf; Maria Paola Clarizia; Joel T. Johnson; Andrew O'Brien 001; Paul S. Chang; Zorana Jelenak; Faozi Said; Seubson Soisuvarn (IGARSS, 2017)

Cygnss constellation intercalibration. - Darren S. McKague; Christopher S. Ruf (IGARSS, 2017)

The nasa cygnss mission: Overview and status update. - Christopher Ruf; Scott Gleason 001; Aaron J. Ridley; Randall Rose; John Scherrer (IGARSS, 2017)

Development of GPS constellation power monitor system for high accuracy calibration/validation of the cygnss L1B data. - Tianlin Wang; Christopher Ruf; Scott Gleason 001; Bruce P. Block; Darren McKague; Damen Provost (IGARSS, 2017)

Storm surge prediction with cygnss winds. - April M. Warnock; Christopher S. Ruf; Mary Morris (IGARSS, 2017)

Vicarious Cold Calibration for Conical Scanning Microwave Imagers. - Rachael A. Kroodsma; Darren S. McKague; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2017)

Improved Calibration of Cygnss Measurements for Downbursts in the Intertropical Convergence Zone. - Rajeswari Balasubramaniam; Christopher S. Ruf (IGARSS, 2018)

Measuring Ice Thickness with Cygnss Altimetry. - David Mayers; Chris Ruf (IGARSS, 2018)

Comparison of Wide Bandwidth Conventional and Interferometric GNSS-R Techniques for Possible CYGNSS Follow-On Mission. - Rachel Norris; Chris Ruf; Eric Loria; Andrew O'Brien 001 (IGARSS, 2018)

Enabling Sampling Properties of the Cygnss Satellite Constellation. - Christopher Ruf; Charles Bussy-Virat; Darren McKague; Aaron J. Ridley; Mary Morris (IGARSS, 2018)

Characterization of the Transmit Power and Antenna Pattern of the GPS Constellation for the CYGNSS Mission. - Tianlin Wang; Christopher Ruf; Bruce P. Block; Darren McKague (IGARSS, 2018)

Modeling of Sea State Conditions for Improvement of Cygnss L2 Wind Speed Retrievals. - Tianlin Wang; Valery U. Zavorotny; Joel T. Johnson; Christopher Ruf; Yuchan Yi (IGARSS, 2018)

Can We Improve Parametric Cyclonic Wind Fields Using Recent Satellite Remote Sensing Data? - Yann Krien; Gaël Arnaud; Raphaël Cécé; Christopher Ruf; Ali Belmadani; Jamal Khan; Didier Bernard; A. K. M. Saiful Islam; Fabien Durand; Laurent Testut; Philippe Palany; Narcisse Zahibo (Remote. Sens., 2018)

The Impact of Rain on L1 GNSS-R Radar Scattering Cross-Section. - Rajeswari Balasubramaniam; Christopher S. Ruf (IGARSS, 2019)

Determining Tropical Cyclone Center Location with CYGNSS Wind Speed Measurements. - David Mayers; Chris Ruf (IGARSS, 2019)

On-Orbit Trending of CYGNSS Data. - Darren S. McKague; Christopher S. Ruf (IGARSS, 2019)

CYGNSS Smallsat Mission Design, Engineering Performance and Science Results. - Chris Ruf; Darren McKague; Scott Gleason 001 (IGARSS, 2019)

The GNSS-R Cygnss Mission: an Update. - Chris Ruf; Darren McKague; Mary Morris; Derek J. Posselt; Mahta Moghaddam (IGARSS, 2019)

A Real-Time EIRP Level 1 Calibration Algorithm for the CYGNSS Mission Using the Zenith Measurements. - Tianlin Wang; Christopher Ruf; Scott Gleason 001; Bruce P. Block; Darren McKague; Andrew O'Brien 001 (IGARSS, 2019)

Integration of Cygnss Wind and Wave Observations with the Wavewatch III Numerical Model. - Tianlin Wang; Valery U. Zavorotny; Joel T. Johnson; Yuchan Yi; Christopher Ruf (IGARSS, 2019)

Response to Variations in River Flowrate by a Spaceborne GNSS-R River Width Estimator. - April M. Warnock; Christopher Ruf (Remote. Sens., 2019)

Relationship Between Temporal and Spatial Resolution for a Constellation of GNSS-R Satellites. - Charles Bussy-Virat; Christopher S. Ruf; Aaron J. Ridley (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019)

The CYGNSS Level 1 Calibration Algorithm and Error Analysis Based on On-Orbit Measurements. - Scott Gleason 001; Christopher S. Ruf; Andrew J. O'Brien 001; Darren S. McKague (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019)

Development of the CYGNSS Geophysical Model Function for Wind Speed. - Christopher S. Ruf; Rajeswari Balasubramaniam (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019)

Foreword to the Special Issue on Cyclone Global Navigation Satellite System (CYGNSS) Early on Orbit Performance. - Chris Ruf; Estel Cardellach; Maria Paola Clarizia; Carmela Galdi; Scott Gleason 001; Simonetta Paloscia (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019)

Assessment of CYGNSS Wind Speed Retrieval Uncertainty. - Christopher S. Ruf; Scott Gleason 001; Darren S. McKague (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019)

Design and Performance of a GPS Constellation Power Monitor System for Improved CYGNSS L1B Calibration. - Tianlin Wang; Christopher S. Ruf; Bruce P. Block; Darren S. McKague; Scott Gleason 001 (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019)

Soilscape Wireless in Situ Networks in Support of Cyngss Land Applications. - Ruzbeh Akbar; James D. Campbell; Agnelo R. Silva; Richard H. Chen; Amer Melebari; Erik Hodges; Dara Entekhabi; Chris Ruf; Mahta Moghaddam (IGARSS, 2020)

Performance Assessment of Cygnss High Wind Retrieval for the Improved EIRP Calibration. - Rajeswari Balasubramaniam; Christopher S. Ruf (IGARSS, 2020)

The GRSS Standard for GNSS-Reflectometry. - Hugo Carreno-Luengo; Adriano Camps; Nicolas Flouri; Manuel Martín-Neira; Chris Ruf; Tianlin Wang; Siri Jodha S. Khalsa; Maria Paola Clarizia; Jennifer Reynolds; Joel T. Johnson; Andrew O'Brien 001; Carmela Galdi; et al. (IGARSS, 2020)

Investigating the Impact of Coherent and Incoherent Scattering Terms in GNSS-R Delay Doppler Maps. - Hugo Carreno-Luengo; Chris Ruf; April M. Warnock; Kelsey Brunner (IGARSS, 2020)

Analysis of GNSS-R Coverage by a Regional Aircraft Fleet. - Ryan Linnabary; Andrew O'Brien 001; Chris Ruf; Stephen B. Musko; Delwyn Moller (IGARSS, 2020)

Next Generation GNSS-R Instrument. - Christopher Ruf; Roger Backhus; Timothy Butler; Chi-Chih Chen; Scott Gleason 001; Eric Loria; Darren McKague; Ryan Miller; Andrew O'Brien 001; Line van Nieuwstadt (IGARSS, 2020)

Monitoring GPS Eirp for Cygnss Level 1 Calibration. - Tianlin Wang; Christopher Ruf; Scott Gleason 001; Darren McKague; Andrew O'Brien 001; Bruce P. Block (IGARSS, 2020)

Improvement of CYGNSS Level 1 Calibration Using Modeling and Measurements of Ocean Surface Mean Square Slope. - Tianlin Wang; Valery U. Zavorotny; Joel T. Johnson; Yuchan Yi; Christopher Ruf; Scott Gleason 001; Darren McKague; Paul A. Hwang; Erick Rogers; Shuyi Chen; Yulin Pan; Thomas Bakker (IGARSS, 2020)

Characterizing Background Signals and Noise in Spaceborne GNSS Reflection Ocean Observations. - Scott Gleason 001; Joel T. Johnson; Chris Ruf; Charles Bussy-Virat (IEEE Geosci. Remote. Sens. Lett., 2020)

Neural Network Based Quality Control of CYGNSS Wind Retrieval. - Rajeswari Balasubramaniam; Christopher Ruf (Remote. Sens., 2020)

First Evidence of Mesoscale Ocean Eddies Signature in GNSS Reflectometry Measurements. - Mostafa Hoseini; Milad Asgarimehr; Valery U. Zavorotny; Hossein Nahavandchi; Chris Ruf; Jens Wickert (Remote. Sens., 2020)

First Precise Spaceborne Sea Surface Altimetry With GNSS Reflected Signals. - Estel Cardellach; Weiqiang Li 001; Antonio Rius; Maximilian Semmling; Jens Wickert; Florian Zus; Christopher S. Ruf; Carlo Buontempo (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020)

Statistical Derivation of Wind Speeds From CYGNSS Data. - Maria Paola Clarizia; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2020)

Observing Freeze-Thaw Transitions Over Land Using Cygnss Measurements. - Rajeswari Balasubramaniam; Mahnaz Vahdat; Christopher Ruf (IGARSS, 2021)

Studies of Terrain Surface Roughness and its Effect on GNSS-R Systems Using Airborne Lidar Measurements. - Alexandra Bringer; Joel T. Johnson; Charles K. Toth; Christopher S. Ruf; Mahta Moghaddam (IGARSS, 2021)

Intercomparison of Models for CYGNSS Delay-Doppler Maps at a Validation Site in the San Luis Valley of Colorado. - James D. Campbell; Ruzbeh Akbar; Amir Azemati; Alexandra Bringer; Davide Comite; Laura Dente; Scott T. Gleason; Leila Guerriero; Erik Hodges; Joel T. Johnson; Seung-Bum Kim; Amer Melebari; et al. (IGARSS, 2021)

Freeze/Thaw Retrieval Over High Altitude Areas with CYGNSS. - Hugo Carreno-Luengo; Chris Ruf (IGARSS, 2021)

Generation of A New High Resolution Ddm Data Product from Cygnss Raw If Measurements. - Hugo Carreno-Luengo; Chris Ruf; Scott Gleason 001; Anthony Russel; Timothy Butler (IGARSS, 2021)

Operational Airborne GNSS-R Aboard Air New Zealand Domestic Aircraft. - Delwyn Moller; Chris Ruf; Ryan Linnabary; Andrew O'Brien 001; Stephen B. Musko (IGARSS, 2021)

Resolving Inland Waterways with CYGNSS. - Christopher Ruf; Clara C. Chew; Cynthia Gerlein-Safdi; April M. Warnock (IGARSS, 2021)

The Important Role of Antenna Pattern Characterization in the Absolute Calibration of GNSS-R Measurements. - Tianlin Wang; Christopher Ruf; Darren McKague; Anthony Russel; Andrew O'Brien 001; Scott Gleason 001 (IGARSS, 2021)

The IEEE-SA Working Group on Spaceborne GNSS-R: Scene Study. - Hugo Carreno-Luengo; Adriano Camps; Chris Ruf; Nicolas Floury; Manuel Martín-Neira; Tianlin Wang; Siri Jodha S. Khalsa; Maria Paola Clarizia; Jennifer Reynolds; Joel T. Johnson; Andrew O'Brien 001; Carmela Galdi; et al. (IEEE Access, 2021)

The CYGNSS Mission: On-Going Science Team Investigations. - Hugo Carreno-Luengo; Juan A. Crespo; Ruzbeh Akbar; Alexandra Bringer; April M. Warnock; Mary Morris; Chris Ruf (Remote. Sens., 2021)

Improved CYGNSS Wind Speed Retrieval Using Significant Wave Height Correction. - Daniel Pascual; Maria Paola Clarizia; Christopher S. Ruf (Remote. Sens., 2021)

CYGNSS-based inundation maps of the Pantanal and the Sudd wetlands from June 2017 to December 2019. - Cynthia Gerlein-Safdi; Chris Ruf (Zenodo, 2021)

Triggering Freeze/Thaw Surface State Monitoring from High Inclination Orbit GNSS-R Missions: A CYGNSS-Based Study. - Hugo Carreno-Luengo; Christopher S. Ruf (IGARSS, 2022)

The Cygnss Coherent End-to-End Simulator: Development and Results. - Hugo Carreno-Luengo; April M. Warnock; Christopher S. Ruf (IGARSS, 2022)

Computing Specular Points Over Complex Land Surfaces for Airborne GNSS-R Applications. - Xiaoyou Lin; Delwyn Moller; Andrew O'Brien 001; Ryan Linnabary; Chris Ruf (IGARSS, 2022)

Rongowai: A Pathfinder NASA/NZ GNSS-R Initiative Supporting SDG-15 - Life on Land. - Delwyn Moller; Matthew Wilson; Rajasweta Datta; Andrew O'Brien 001; Ryan Linnabary; Chris Ruf (IGARSS, 2022)

Science Impacts of the NASA CYGNSS Mission. - Christopher Ruf; Clara C. Chew; Mahta Moghaddam; Derek J. Posselt; Zhaoxia Pu (IGARSS, 2022)

Spaceborne Demonstration of GNSS-R Scattering Cross Section Sensitivity to Wind Direction. - Daniel Pascual; Maria Paola Clarizia; Christopher S. Ruf (IEEE Geosci. Remote. Sens. Lett., 2022)

Impacts of Assimilating CYGNSS Satellite Ocean-Surface Wind on Prediction of Landfalling Hurricanes with the HWRF Model. - Zhaoxia Pu; Ying Wang; Xin Li; Christopher Ruf; Li Bi; Avichal Mehra (Remote. Sens., 2022)

Mapping Freezing and Thawing Surface State Periods With the CYGNSS Based F/T Seasonal Threshold Algorithm. - Hugo Carreno-Luengo; Christopher S. Ruf (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022)

Intercomparison of Electromagnetic Scattering Models for Delay-Doppler Maps Along a CYGNSS Land Track With Topography. - James D. Campbell; Ruzbeh Akbar; Alexandra Bringer; Davide Comite; Laura Dente; Scott T. Gleason; Leila Guerriero; Erik Hodges; Joel T. Johnson; Seung-Bum Kim; Amer Melebari; Nazzareno Pierdicca; et al. (IEEE Trans. Geosci. Remote. Sens., 2022)

Retrieving Freeze/Thaw Surface State From CYGNSS Measurements. - Hugo Carreno-Luengo; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2022)

Toward the Detection and Imaging of Ocean Microplastics With a Spaceborne Radar. - Madeline C. Evans; Christopher S. Ruf (IEEE Trans. Geosci. Remote. Sens., 2022)

Characterizing and Mitigating Digital Sampling Effects on the CYGNSS Level 1 Calibration. - Scott Gleason 001; Mohammad M. Al-Khaldi; Christopher S. Ruf; Darren S. McKague; Tian-Lin Wang; Anthony Russel (IEEE Trans. Geosci. Remote. Sens., 2022)

An Improved Blackbody Calibration Cadence for CYGNSS. - Charles E. Powell; Christopher S. Ruf; Anthony Russel (IEEE Trans. Geosci. Remote. Sens., 2022)

Dynamic Calibration of GPS Effective Isotropic Radiated Power for GNSS-Reflectometry Earth Remote Sensing. - Tian-Lin Wang; Christopher S. Ruf; Scott Gleason 001; Andrew J. O'Brien 001; Darren S. McKague; Bruce P. Block; Anthony Russel (IEEE Trans. Geosci. Remote. Sens., 2022)

The Potential of GNSS-R for Freeze/Thaw Surface State Monitoring in the New Space Era. - Hugo Carreno-Luengo; Christopher Ruf (Zenodo, 2022)

An Improved Inland Water Detector Using Standard L1 Data: Application to CYGNSS. - Hugo Carreno-Luengo; Christopher S. Ruf; Scott Gleason 001; Anthony Russel (IGARSS, 2023)

In-Orbit Real Time Inland Water Detection by A Future Spaceborne Gnss-R Receiver. - Hugo Carreno-Luengo; Christopher S. Ruf; Scott Gleason 001; Anthony Russel; Ilaria M. Russo; Maurizio di Bisceglie; Carmela Galdi (IGARSS, 2023)

CYGNSS SoilSCAPE Sites: Sensor Calibration and Data Analysis. - Amer Melebari; Agnelo R. Silva; Ruzbeh Akbar; Erik Hodges; Yuhuan Zhao; Piril Nergis; Darren S. McKague; Chris Ruf; Mahta Moghaddam (IGARSS, 2023)

Using Synthetic Cyclone Models for High Wind GNSS-R Calibration, Validation, and Algorithm Development: A CYGNSS Case Study. - Mohammad M. Al-Khaldi; Scott Gleason 001; Joel T. Johnson; Rajeswari Balasubramaniam; Christopher S. Ruf; Darren S. McKague; Bachir Annane; Tianlin Wang; Anthony Russel; Dorina Twigg (IEEE Trans. Geosci. Remote. Sens., 2023)

A New Multiresolution CYGNSS Data Product for Fully and Partially Coherent Scattering. - Hugo Carreno-Luengo; Christopher S. Ruf; Scott Gleason 001; Anthony Russel (IEEE Trans. Geosci. Remote. Sens., 2023)

Spatial and Temporal Sampling Properties of a Large GNSS-R Satellite Constellation. - Jack Winkelried; Christopher Ruf; Scott Gleason 001 (Remote. Sens., 2023)

Calibration of the Airborne Polarimetric GNSS-R Sensor for the Rongowai Project. - Dinan Bai; Chris Ruf; Andrew O'Brien 001; Delwyn Moller (IGARSS, 2024)

Latest Progress on Rongowai Polarimetric GNSS-R Airborne Mission. - Hugo Carreno-Luengo; Christopher S. Ruf; Scott Gleason 001; Anthony Russel (IGARSS, 2024)

Novel GNSS-R Methods for Freeze/Thaw Surface State Retrieval. - Hugo Carreno-Luengo; Christopher S. Ruf; Scott Gleason 001; Anthony Russel; Alexandre Roy; Hesam Salmabadi (IGARSS, 2024)

Comparison of GNSS-R Delay Doppler Map Processing Algorithms. - Scott Gleason 001; Hugo Carreno-Luengo; Chris Ruf; Anthony Russel (IGARSS, 2024)

Azimuthal Dependence of CYGNSS Winds in Tropical Cyclones. - Daniel Pascual; Christopher Ruf; Rajeswari Balasubramaniam (IGARSS, 2024)

Performance and Characterization of CYGNSS Wind Speed Products. - Christopher Ruf; Shakeel Asharaf; Rajeswari Balasubramaniam; Darren McKague; Daniel Pascual; Brent Roberts; Anthony Russel; Dorina Twigg; April M. Warnock (IGARSS, 2024)

A Zero Current Equivalent Wind Correction for Remotely Sensed Winds. - Gopal B. Sundaram; Christopher S. Ruf (IGARSS, 2024)

The Detection and Tracking of Ocean Surface Roughness Supression by Ocean Pollutans Via Surfactants. - Gopal B. Sundaram; Christopher S. Ruf (IGARSS, 2024)

Prediction of Soil Moisture From Near-Global Cygnss Gnss-Reflectometry Using a Random Forest Machine Learning Model. - Matthew Wilson; Rajasweta Datta; Sharmila Savarimuthu; Delwyn Moller; Chris Ruf (IGARSS, 2024)

Characterization of CYGNSS Ocean Surface Wind Speed Products. - Christopher Ruf; Mohammad M. Al-Khaldi; Shakeel Asharaf; Rajeswari Balasubramaniam; Darren McKague; Daniel Pascual; Anthony Russel; Dorina Twigg; April M. Warnock (Remote. Sens., 2024)

Development and Application of a GNSS-R Error Model for Hurricane Winds. - Rajeswari Balasubramaniam; Christopher S. Ruf (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)

CYGNSS Level 3 Merged Wind Speed Data Product for Storm Force and Surrounding Environmental Winds. - April M. Warnock; Christopher S. Ruf; Anthony Russel; Mohammad M. Al-Khaldi; Rajeswari Balasubramaniam (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)

An Instrument Error Correlation Model for Global Navigation Satellite System Reflectometry. - Charles E. Powell; Christopher S. Ruf; Darren S. McKague; Tianlin Wang; Anthony Russel (Remote. Sens., 2024)

Characterization of River Width Measurement Capability by Space Borne GNSS-Reflectometry. - April M. Warnock; Christopher S. Ruf; Arie L. Knoll (Remote. Sens., 2024)

Measurement of GPS Antenna Gain Patterns for CYGNSS Using a Spaceborne Antenna Range. - Tianlin Wang; Christopher S. Ruf; Andrew O'Brien 001; Scott Gleason 001; Darren S. McKague; Bruce P. Block; Anthony Russel (IEEE Trans. Aerosp. Electron. Syst., 2024)

Quantifying and Correcting Thermally Driven Oscillations in CYGNSS Real-Time GPS Effective Isotropic Radiated Power. - Mohammad M. Al-Khaldi; Scott Gleason 001; Christopher Ruf; Darren S. McKague; Tianlin Wang; Anthony Russel; Dorina Twigg (IEEE Trans. Geosci. Remote. Sens., 2025)

Calibration of the Polarimetric GNSS-R Sensor in the Rongowai Mission. - Dinan Bai; Christopher S. Ruf; Delwyn Moller (IEEE Trans. Geosci. Remote. Sens., 2025)

Capturing Soil Surface Freeze Dynamics Over the Arctic-Boreal Zone With GNSS-Reflectometry. - Hugo Carreno-Luengo; Christopher S. Ruf; Scott Gleason 001; Anthony Russel (IEEE Trans. Geosci. Remote. Sens., 2025)

A Merged CYGNSS Soil Moisture Product Using a Minimum Variance Estimator. - Erik Hodges; Clara C. Chew; Eric E. Small; Dinan Bai; Mohammad M. Al-Khaldi; Jeffrey D. Ouellette; Joel T. Johnson; Fangni Lei; Mehmet Kurum; Ali Cafer Gürbüz; Volkan Yusuf Senyurek; M. M. Nabi; et al. (IEEE Trans. Geosci. Remote. Sens., 2025)