What is "wfpl"

WFPL is a 24-hour listener-supported, noncommercial radio station in Louisville, Kentucky, broadcasting at 89.3 MHz and focusing on news. The station is the flagship National Public Radio station for the Louisville market. WFPL is now owned by Louisville Public Media and was originally owned by the Louisville Free Public Library. When the station came on the air in 1950, it was the first library-owned radio station in the country.