Greenwich Time Signal a station jingle during Jakki Brambles' early show and Simon Mayo's breakfast show. This was not strictly crashing the pips as they were not intended to be, or mistaken for, an accurate time signal. At 8 am on 17 September 2008, to the surprise of John Humphrys, the day's main presenter on the "Today" programme, and Johnnie Walker, who was standing in for Terry Wogan on Radio 2, the pips went adrift by 6 seconds, and broadcast seven pips rather than six. This was traced to a problem with the pip generator, which was 'repaired' by switching it off and
BBC Radio Wales per week, and relaying Radios 2 and 4 at other times. However the groundwork had been laid for the stations to become important, respected full-time services. Radio Wales now broadcasts for 20 hours a day with a simulcast of the BBC World Service after closedown every night. BBC Radio Wales was preceded in the autumn of 1978 by four experimental local radio stations broadcasting for a single week: Radio Wrexham, Radio Deeside, Radio Merthyr and Radio Rhondda. They were broadcast using an RTÉ Outside Broadcast transmitter. The first editor of BBC Radio Wales was Teleri Bevan, a former BBC Radio