Wikipedia
WLAC
WLAC is a clear channel radio station based in Nashville, Tennessee. WLAC is owned by iHeartMedia, airing a Talk radio format, consisting mainly of nationally syndicated hosts such as Rush Limbaugh, Sean Hannity, Glenn Beck and Dave Ramsey. The station's studios are located in Nashville's Music Row district and the transmitter site is in the city's Northside.
WLAC operates at 1510 kHz on the AM dial. WLAC's is the only 50,000 Watt, Class A station in North America which operates on 1510 AM, sharing the frequency with 50,000 watt Class B station WMEX, Boston. WMEX and WLAC mutually protect each others' nighttime coverage.