| Broadcast area | Greater St. Louis |
|---|---|
| Frequency | 1260 kHz |
| Branding | Relevant Radio |
| Programming | |
| Format | Catholic–talk radio |
| Network | Relevant Radio |
| Ownership | |
| Owner | Relevant Radio, Inc. |
| History | |
First air date | July 1947 |
Former call signs | WIBV (1947–1998) |
Call sign meaning | "St. Louis Disney" (former owner) |
| Technical information[1] | |
Licensing authority | FCC |
| Facility ID | 4622 |
| Class | B |
| Power |
|
Transmitter coordinates | 38°27′31.00″N 89°57′41.00″W / 38.4586111°N 89.9613889°W |
| Translator(s) | 95.1 K236CS (St. Louis) |
| Links | |
Public license information | |
| Webcast | Listen live |
| Website | relevantradio |
WSDZ (1260 AM) is a radio station licensed to Belleville, Illinois, and serving the Greater St. Louis radio market. It is owned and operated by Relevant Radio, Inc.[2] WSDZ carries a catholic–talk radio format supplied by the Relevant Radio network. WSDZ, along with 1120 KMOX, are responsible for activation of the St. Louis area Emergency Alert System.[3]
By day, WSDZ is powered at 20,000 watts. At night, to avoid interfering with other stations on AM 1260, it reduces power to 5,000 watts. It uses a directional antenna at all times. The station's studios are located on Weber Hill Road in St. Louis, and its transmitter is off Schuleter Germaine Road in Belleville.[4] Programming is also heard on 99-watt FM translator 95.1 MHz K236CS in St. Louis.[5]