Greenwich Mean Time subsection 23(3), the same rule applies to deeds and other instruments. During the experiment of 1968-1971, when the British Isles did not revert to Greenwich Mean Time during the winter, the all-year British Summer Time was called British Standard Time (BST). In the UK, UTC+0 is disseminated to the general public in winter and UTC+1 in summer. BBC radio stations broadcast the "six pips" of the Greenwich Time Signal. It is named from its original generation at the Royal Greenwich Observatory, is aligned to Coordinated Universal Time, and called either Greenwich Mean Time or British Summer Time as appropriate for
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