CBS did attempt to sign on a station in Pittsburgh after the freeze was lifted, as it was the sixth-largest market at the time, but had just one commercial VHF station in DuMont-owned WDTV, while the rest were either on UHF (the modern-day WPGH-TV and WINP-TV) or public television (WQED). Although the FCC turned down CBS's request to buy the channel 9 license in nearby Steubenville, Ohio and move it to Pittsburgh (that station, initially CBS affiliate WSTV-TV, is now NBC affiliate WTOV-TV), CBS did score a major coup when Pittsburgh-based Westinghouse Electric, co-founder of NBC, bought WDTV from struggling DuMont and opted to affiliate the now-recalled KDKA-TV with CBS instead of NBC (like KDKA radio) due to NBC extorting and coercing Westinghouse to trade KYW radio and WPTZ (now KYW-TV) for Cleveland stations WTAM, WTAM-FM (now WMJI), and WNBK (now WKYC); the trade ended up being reversed by order of the FCC and the Department of Justice in 1965 after an eight-year investigation.[101] Had CBS not been able to affiliate with KDKA-TV, it would have affiliated with eventual NBC affiliate WIIC-TV (now WPXI) once it signed on in 1957 instead.[102] This coup would eventually lead to a much stronger relationship between Westinghouse and CBS.