KSDP (830 AM) is a Class B regional radio station licensed to SAND POINT, AK. Operating with 1 kW daytime power using a non-directional antenna. At night it operates at 1 kW. After sunset, skywave propagation can extend the signal across much of the surrounding region. The station is owned by Aleutian Peninsula Broadcasting, Inc. It broadcasts a Public RadioFull service (radio format) format.