WWCS (540 AM) is a sports radio station and an affiliate of Yahoo! Sports Radio serving the Pittsburgh, Pennsylvania market. The station is owned by Birach Broadcasting Corporation. WWCS broadcasts on 540 kHz with a power of 5,000 watts daytime (500 watts at night) and is licensed to Canonsburg, Pennsylvania.
Prior to being s Spanish music radio station, it had also been a Radio Disney affiliate. The station's previous formats included classical music, ethnic programming, oldies, and religious programming.
The station's previous and long-held call letters were WARO; it had originally debuted as WCNG. 540 was also known as "Radio One" during its days as WARO.
Following ABC's LMA of WWCS from owner Birach Broadcasting, operations for the station moved from its transmitter building at 38 Angerer Road (Strang Lane) in Canonsburg to 400 Ardmore Boulevard in Wilkinsburg, the home of WEAE (ESPN Radio 1250) and WTAE-TV. Under ABC, the station carried Radio Disney.
WWCS ceased to carry Radio Disney upon the expiration of ABC's lease of WWCS on December 31, 2010; the network's programming then moved to Disney-owned WEAE (renamed WDDZ), which disaffiliated from ESPN Radio. From January to February 2011, the station aired a music loop directing listeners to WDDZ.