KTNN (660 AM) is a Class B regional radio station licensed to WINDOW ROCK, AZ. Operating with 50 kW daytime power using a directional (different day/night patterns) antenna system with 2 towers. At night it operates at 50 kW. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by The Navajo Nation. It broadcasts a Country music; classic hits; Navajo people format.