WSM (branded
The Legend) is a 50,000 watt
AM radio station located in
Nashville, Tennessee. It broadcasts a full-time
country music format at 650 kHz and is known primarily as the home of
The Grand Ole Opry, the world's longest running radio program. The station's
clear channel signal can reach much of
North America and nearby countries, especially late at night. It is one of two clear-channel stations in North America, along with
CFZM/Toronto, that still primarily broadcast music. Nicknamed "The Air Castle of the South," it shares its
callsign with
WSM-FM, also in Nashville, and formerly with
television Channel 4, now
WSMV.