KDSJ (980 AM) is a Class B regional radio station licensed to DEADWOOD, SD. Operating with 5 kW daytime power using a directional (different day/night patterns) antenna system with 2 towers. At night it operates at 1 kW. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by Carolyn and Doyle Becker. It broadcasts a Full service (radio format) format.