KCST Radio 106.9 fm KCST Radio is broadcast at 106.9 FM at a licensed power of 6,000 watts and is the only local broadcasting FM ... See more station in the Florence Area. The station’s primary objective is to inform, entertain and reflect the unique character of the community. KCST was established in 1988. KCST Radio 1250 am KCST Radio is located at 1250 on the AM dial. KCST broadcasts at 1,000 watts and is the only AM station serving the Florence Area. KCST Radio’s mission is to serve the rapidly growing Senior and Baby Boomer Life Groups of Florence with local news, information and memory-making music.