Wikipedia
WNDB
WNDB (1150 AM) is a radio station broadcasting a talk radio format. Licensed to Daytona Beach, Florida, USA, the station is owned by Black Crow Radio.
WNDB is the "host station" of the annual Daytona 500 and is the Flagship Station to the Motor Racing Network. NASCAR is headquartered in Daytona Beach, and MRN was based there until 2008, when the studios moved to Charlotte, North Carolina. Most likely because of the MRN connection, they broadcast races from all 3 of the top series.