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 4 programmes, many of which have been broadcast for over 40 years. Most programmes are available for four weeks after broadcast as streaming audio from Radio 4's "listen again" page and via BBC iPlayer. A selection of programmes is also available as podcasts or downloadable audio files. Many comedy and drama programmes from the Radio 4 archives are rebroadcast on BBC Radio 4 Extra (formerly BBC Radio 7). Due to the capacity limitations of DAB and increasing sport broadcasts on BBC Radio 5 Live Sports Extra, BBC Radio 4 DAB has to reduce its bit rate most evenings, such that after