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 4 Extra is broadcast over the internet on the BBC website, on services such as Radioplayer and TuneIn and for users of IPTV's. It is also available on digital radio (on which it is broadcast monophonically) and television services including digital terrestrial provider Freeview, cable television providers including Virgin Media and on satellite television providers Freesat and Sky who receive their signal from the Astra 2E satellite. The pan-European nature of this satellite means that the signal can be received across northern Europe. The controller of the station is Gwyneth Williams who is answerable to the Radio board in the BBC. BBC