WLAC is a clear channel radio station based in Nashville, Tennessee, operating at 1510 kHz on the AM dial. WLAC 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 KGA, Spokane WA and 50,000 watt Class B station WMEX, Boston (which WLAC protects at night since WMEX pre-dated WLAC on the frequency).