KZDC (1250 AM) is a Class B regional radio station licensed to SAN ANTONIO, TX. Operating with 25 kW daytime power using a directional (different day/night patterns) antenna system with 4 towers. At night it operates at 920 watts. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by Connoisseur Media. It broadcasts a Sports radio format.