 The success of BBC Radio 4's coverage of the Gulf War of 1990-1991, on a service nicknamed "Scud FM", demonstrated the popularity of a 24-hour radio news service.A rolling-news and sport station, named BBC Radio 5 Live, replaced Radio 5 in March 1994.BBC Radio 5 used the medium wave frequencies previously used to transmit BBC Radio 2 from 23 November 1978 to 14 August 1990.