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 1 were configured to allow DJs to operate the equipment themselves and play their own records and jingle cartridges (called self-op). This was a departure from traditional BBC practice, where a studio manager would play in discs from the studio control cubicle. Due to needle time restrictions, much of the music was played from tapes of BBC session recordings. The DJs were assisted by one or more technical operators (TOs) who would set up tapes and control sound levels during broadcasts. In 1985, Radio 1 moved across the road from Broadcasting House to Egton House. The station moved to Yalding House