KKSM (1320 AM) is a Class B regional radio station licensed to OCEANSIDE, CA. Operating with 500 watts daytime power using a directional antenna system with 3 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 Palomar College. It broadcasts a Alternative rock, Freeform (radio format) format.