Greenwich Time Signal 19:00. By 19:45 the same day the power supply was repaired and the 20:00 pips were broadcast as normal. Many radio broadcasters around the world use the Greenwich Time Signal as a means to mark the start of the hour. The pips are used in both domestic and international commercial and public broadcasting. Many radio stations use six tones similar to those used by the BBC World Service; some shorten it to five, four, or three tones. Greenwich Time Signal The Greenwich Time Signal (GTS), popularly known as the pips, is a series of six short tones broadcast at one-second
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