WLW is a commercial news/talk radio station licensed to Cincinnati, Ohio. Owned by iHeartMedia, WLW is a clear-channel station, often identifying itself as The Big One. Its studios are located in Sycamore Township.
WLW operates with 50,000 watts around the clock. The transmitter site features a distinctive diamond-shaped Blaw-Knox tower in nearby Mason. Its daytime signal is heard at city-grade strength as far as Indianapolis, Indiana; Lexington, Kentucky and Columbus, Ohio, with secondary coverage as far as Louisville and the outer suburbs of Cleveland and Detroit. At night, with a good radio, it can be heard in much of North America.
Wikipedia https://en.wikipedia.org/wiki/WLW
Coordinates 39°21'11.185" N -84°19'30.387" E