KGBC (1540 AM) is a Class B regional radio station licensed to GALVESTON, TX. Operating with 4 kW daytime power using a directional (different day/night patterns) antenna system with 2 towers. At night it operates at 185 watts. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by SIGA Broadcasting, Inc. It broadcasts a Talk radio format.