WAYY (790 AM) is a Class B regional radio station licensed to EAU CLAIRE, WI. Operating with 5 kW daytime power using a directional (different day/night patterns) antenna system with 3 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 Mid-West Family Broadcasting. It broadcasts a Sports radio format.