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 London was launched, three years before commercial radio for Greater London in the guise of LBC. An additional medium wave frequency was allocated on 1457 kHz (206 metres) from Brookman's Park. 95.3 soon changed to 94.9. BBC Radio London was the local station for the capital, although in the early days it relied heavily on news reports from other stations in the BBC network and often shared programming with BBC Radio 2. It took on a fairly lively sound and featured (as it does to this day) extensive traffic reports, phone-in programmes — it pioneered the daily phone-in in the UK