Satellite attitude determination based on GPS signal-to-noise ratio. - Penina Axelrad; Charles P. Behre (Proc. IEEE, 1999)

Airborne GPS bistatic radar soil moisture measurements during SMEX02. - D. Masters; S. Katzberg; Penina Axelrad (IGARSS, 2003)

Seasonal polarimetric measurements of soil moisture using tower-based GPS bistatic radar. - Valery U. Zavorotny; Dallas Masters; Albin J. Gasiewski; B. Bartram; Stephen J. Katzberg; Penina Axelrad; Robert J. Zamora (IGARSS, 2003)

Sea Ice Roughness From Airborne LIDAR Profiles. - Maria Belmonte Rivas; James Maslanik; John G. Sonntag; Penina Axelrad (IEEE Trans. Geosci. Remote. Sens., 2006)

Bistatic Scattering of GPS Signals Off Arctic Sea Ice. - Maria Belmonte Rivas; James Maslanik; Penina Axelrad (IEEE Trans. Geosci. Remote. Sens., 2010)

Mounting-Angle Estimation for Personal Navigation Devices. - Eric Vinande; Penina Axelrad; Dennis M. Akos (IEEE Trans. Veh. Technol., 2010)

An Assessment of the Precision and Accuracy of Altimetry Retrievals for a Monterey Bay GNSS-R Experiment. - Jake Mashburn; Penina Axelrad; Stephen T. Lowe; Kristine M. Larson (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016)

A Comparison of Waveform Model Re-Tracking Methods Using Data from CYGNSS. - Jake Mashburn; Andrew O'Brien 001; Penina Axelrad; Cinzia Zuffada; Stephen T. Lowe; Rashmi Shah; Alexander G. Voronovich; Valery U. Zavorotny (IGARSS, 2018)

Assessing the Altimetric Measurement from CYGNSS Data. - Cinzia Zuffada; Bruce J. Haines; George Hajj; Zhijin Li; Stephen T. Lowe; Rashmi Shah; Jake Mashburn; Penina Axelrad; Andrew O'Brien 001; Paolo Cipollini; Valery U. Zavorotny; Alexander G. Voronovich (IGARSS, 2018)

Search-Detect-Track Sensor Allocation for Geosynchronous Space Objects. - Steven Gehly; Brandon A. Jones; Penina Axelrad (IEEE Trans. Aerosp. Electron. Syst., 2018)

Global Ocean Altimetry With GNSS Reflections From TechDemoSat-1. - Jake Mashburn; Penina Axelrad; Stephen T. Lowe; Kristine M. Larson (IEEE Trans. Geosci. Remote. Sens., 2018)

Towards An Ocean Altimetry Product Using Cygnss. - Eric Loria; Jake Mashburn; Andrew O'Brien 001; Penina Axelrad; Cinzia Zuffada; Zhijin Li (IGARSS, 2019)

Improved Orbit Determination of the CYGNSS Satellites and its Application to GNSS-R Ocean Altimetry. - Alex Conrad; Penina Axelrad; Cinzia Zuffada; Bruce J. Haines; Andrew O'Brien 001; Eric Loria (IGARSS, 2020)

Improved GNSS-R Ocean Surface Altimetry With CYGNSS in the Seas of Indonesia. - Jake Mashburn; Penina Axelrad; Cinzia Zuffada; Eric Loria; Andrew O'Brien 001; Bruce J. Haines (IEEE Trans. Geosci. Remote. Sens., 2020)

Overview of Space-Capable Global Navigation Satellite Systems Receivers: Heritage, Status and the Trend towards Miniaturization. - Eberhard K. A. Gill; Jade Morton; Penina Axelrad; Dennis M. Akos; Marianna Centrella; Stefano Speretta (Sensors, 2023)

A Lunar Surface Pseudolite Architecture for Regional Communication and Radionavigation. - Brodie T. Wallace; Scott Palo; Penina Axelrad; John Marino; Nicholas Rainville; Julia DiTomas; Ryan Kingsbury; Mazen Shihabi; Dennis O. Ogbe (IEEE Trans. Aerosp. Electron. Syst., 2025)