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 Manchester the Day". In 1983 and 1984 the radio station ran a series of experimental community stations, each of which used the 1296 kHz AM frequency in turn. The stations were BBC Radio Bury (late 1983/early 1984), BBC Radio Oldham, BBC Radio Rochdale (eight weeks from 14 May 1984), BBC Radio Trafford (which operated from a mobile studio in a school playground) and BBC Radio Wigan (summer 1984). The stations were part-time services which opted out from the main BBC Radio Manchester service. The experiments were never repeated. From October 1988 until 3 April 2006, the station was named BBC GMR