WXSM (640 AM) is a Class B regional radio station licensed to BLOUNTVILLE, TN. Operating with 10 kW daytime power using a directional (different day/night patterns) antenna system with 3 towers. At night it operates at 810 watts. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by Cumulus Media. It broadcasts a Sports radio format.