This manuscript was significantly improved through discussions with Lisa Lelli, Mark Otero, Sung Yong Kim, and Tom Cook of the Coastal Observing Research and Development Center at Scripps Institution of Oceanography. We thank both JOATO reviewers, who provided excellent positive criticism lending greatly to the accuracy and clarity of the manuscript. A special thanks is extended to Sung Yong Kim for the MATLAB code to compute radial projections from a given vector field. This work was supported by Grant NA17RJ1231, “Southern California Coastal Ocean Observing System—Shelf to Shoreline Observatory Development,” managed by the National Oceanic and Atmospheric Administration.
Barrick, D. E., 1971: Theory of HF and VHF propagation across the rough sea. 2. Application to HF and VHF propagation above the sea. Radio Sci., 6 , 527–533.
Barrick, D. E., 1972: First-order theory and analysis of MF/HF/VHF scatter from the sea. IEEE Trans. Antennas Propag., 20 , 2–10.
Barrick, D. E., 1980: Accuracy of parameter extraction form sample-averaged sea-echo Doppler spectra. IEEE Trans. Antennas Propag., 28 , 1–11.
Barrick, D. E., cited. 2005: SeaSonde power to range. [Available online at http://www.codaros.com/Manuals/Informative/SeaSondePower_to_Range.pdf.].
Barrick, D. E., , and Snider J. B. , 1977: The statistics of HF sea-echo Doppler spectra. IEEE Trans. Antennas Propag., 25 , 19–28.
Barrick, D. E., , and Lipa B. J. , 1996: A comparison of direction-finding and beam-forming in HF radar ocean surface current mapping. Phase I SBIR Final Rep., Contract 50-DKNA-5-00092, 80 pp.
Graber, H. C., , Haus B. K. , , Chapman R. D. , , and Shay L. K. , 1997: HF radar comparisons with moored estimates of current speed and direction: Expected differences and implications. J. Geophys. Res., 102 , C8. 18749–18766.
Gurgel, K. W., , Essen H. H. , , and Kingsley S. P. , 1999: High-frequency radars: Physical limitations and recent developments. Coastal Eng., 37 , 201–218.
Laws, K. E., , Fernandez D. M. , , and Paduan J. D. , 2000: Simulation based evaluations of HF radar ocean current algorithms. IEEE J. Oceanic Eng., 25 , 481–491.
Lipa, B. J., , and Barrick D. E. , 1983: Least-squares method for the extraction of surface currents from CODAR crossed-loop data: Application at ARSLOE. IEEE J. Oceanic Eng., 8 , 226–253.
Longuet-Higgins, M. S., , Cartwright D. E. , , and Smith N. D. , 1963: Observations of the directional spectrum of sea waves using the motions of a floating buoy. Ocean Wave Spectra: Proceedings of a Conference, Prentice-Hall, 111–136.
Ohlmann, C., , White P. , , Washburn L. , , Terrill E. , , Emery B. , , and Otero M. , 2006: Interpretation of coastal HF radar-derived surface currents with high-resolution drifter data. J. Atmos. Oceanic Technol., 24 , 666–680.
Paduan, J. D., , and Rosenfeld J. K. , 1996: Remotely sensed surface currents in Monterey Bay from shore-based HF radar (Coastal Ocean Dynamics Application Radar). J. Geophys. Res., 101 , C9. 20669–20686.
Schmidt, R. O., 1982: A signal subspace approach to multiple emitter location and spectral estimation. Ph.D. thesis, Stanford University, 201 pp.
Schmidt, R. O., 1986: Multiple emitter location and signal parameter estimation. IEEE Trans. Antennas Propag., 34 , 276–280.
Teague, C. C., 1986: Multifrequency HF radar observations of currents and current shears. IEEE J. Oceanic Eng., 11 , 258–269.
Toh, K. Y. D., 2005: Evaluation of surface current performance by SeaSonde high frequency radar through simulations. M.S. thesis, Dept. of Oceanography, Naval Post Graduate School, 123 pp.