WPHM (1380 AM) is a Class B regional radio station licensed to PORT HURON, MI. Operating with 5 kW daytime power using a directional (different day/night patterns) antenna system with 6 towers. At night it operates at 5 kW. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by Radio First. It broadcasts a Talk radio format.