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We present an updated version of the Kimball & Ivezic (2008) radio catalogusing updated radio and optical data, and new low-frequency radio data. Thecatalog, containing millions of radio sources, was created by consolidatinglarge-area radio and optical surveys GB6 (6cm), FIRST (20cm), NVSS (20cm),WENSS (92cm), VLSSr (4m), and SDSS DR9 (optical). The region where all surveysoverlap covers 3269 square degrees in the North Galactic Cap, and contains>160,000 20-cm sources, with about 12,000 detected in all five radio surveysand over one-third detected optically. Combining parameters from the skysurveys allows easy and efficient classification by radio and opticalmorphology and radio spectral index. The catalog is available athttp://www.aoc.nrao.edu/~akimball/radiocat.shtml .

An Updated Version of the Unified Radio Catalog: A Multi-Wavelength Radio and Optical Catalog of Quasars and Radio Galaxies