1988-1997
The service started out as an opt-out service from BBC Radio Leicester, broadcasting on the service's 837 AM frequency. It was later joined by BBC Radio WM's AM frequencies with programmes operating full-time (6am-midnight daily) from both studios.
The jointly operated AM service launched on 30 October 1988.
1997-1999/2000
1999/2000-2002
2002–2007
The launch of DAB saw the service expanded to cover the UK, launching on October 28th 2002.
2007–2009
2009–2012
2012–present