What is "wsdz"

WSDZ (1260 AM) is a Conservative Talk formatted radio station licensed to Belleville, Illinois, serving the Greater St. Louis. The station, which began broadcasting in 1947, is owned and operated by Salem Media Group. The WSDZ broadcast license is held by Caron Broadcasting, Inc.

WSDZ's studios are located on Webster Hill Road in St. Louis, while its transmitter is located south of Belleville.

WSDZ along with KMOX are responsible for activation of the St. Louis area Emergency Alert System.