WSAN (1470 kHz, "Real Oldies 1470") is a commercial AM radio station licensed in Allentown, Pennsylvania. It is owned by iHeartMedia and serves the Lehigh Valley radio market. It broadcasts an oldies radio format, with its studios and offices in the iHeart Broadcasting Center in Whitehall Township. It is the oldest station in the Lehigh Valley. WSAN operates with 5,000 watts, non-directional by day but using a directional antenna at night. The transmitter site is near the Whitehall Mall.