KVSM (1380 AM) is a Class B regional radio station licensed to SANTA MARIA, CA. Operating with 650 watts daytime power using a directional (different day/night patterns) antenna system with 2 towers. At night it operates at 500 watts. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by Cristian Martinez. It broadcasts a Regional Mexican format.