WSSL-FM is a country music radio station licensed to Gray Court, South Carolina and serves the Upstate region, including Greenville and Spartanburg. The iHeartMedia, Inc. outlet is licensed by the Federal Communications Commission (FCC) to broadcast at 100.5 MHz with an effective radiated power (ERP) of 100 kW. The station goes by the name Whistle 100 and its current slogan is "Today's Best Country." Its studios are in downtown Greenville and its transmitter is in Gray Court. The playlist consists primarily of hit country music from the 1990s to the present day.