Wikipedia
WTBI
WTBI is a non-commercial Religious station serving the Upstate, including Greenville and Spartanburg, as well as Anderson, South Carolina. The station carries Southern Gospel music and various preaching/teaching programs. Its current slogan is "The Bright Spot on Your Radio Dial."
WTBI-FM broadcasts 24 hours a day on 91.5 FM with an ERP of 22.5 kW.
WTBI broadcasts on 1540 AM with a power of 10,000 watts day and 1,000 watts critical hours.