KRRF (106.3 FM, "106.3 The Surf") is a commercial radio station in Goleta, California, broadcasting to the Santa Barbara, California, area. KRRF airs a classic rock music format. The station began broadcasting in 1982, with the KMGQ call letters. By 1998, the station switched to a country format, branded "Country 106.3", and changed the call sign to KKSB. In 2001, the station switched to a CHR format to compete with KIST-FM. However, it failed, and the station went on to air an Oldies format. In March 2005, Cumulus decided to dispose the oldies format, and moved the Smooth Jazz format from KRUZ 97.5 to KKSB. As a result, the station reverted back to its old call letters. On August 26, 2010, Magic 106.3 began broadcasting in HD-Radio. On September 24, 2010, KMGQ changed their format from smooth jazz to classic rock, branded as "106.3 The Surf" and changed the call sign to KRRF.
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