Big 103.7

KOSF Becomes iHeart80s 103.7

Previous Format: Classic Hits “Big 103.7” New Format: 80s Hits “iHeart80s 103.7” Date & Time Of Change: June 6, 2016 at 12:00pm More Info: RadioInsight, Wikipedia

KOSF Becomes Big 103.7

Previous Format: Classic Hits “The Bay’s 103.7” New Format: Classic Hits “Big 103.7” Date & Time Of Change: May 2, 2014 at 5:00pm More Info: RadioInsight, Wikipedia

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