KZDG (1550 AM) is a Class B regional radio station licensed to SAN FRANCISCO, CA. Operating with 50 kW daytime power using a directional (different day/night patterns) antenna system with 4 towers. At night it operates at 10 kW. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by Satish Chandra. It broadcasts a South Asian format.