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 Sound Archive of around 350,000 hours in total duration. Automatically available are "live major news sequence programmes, live music sessions and concerts, drama, arts, features, events, light entertainment, science and education programmes", while "DJ shows with commercially recorded music, local radio and World Service output" are less likely to be retained. Access to part of the archive is made available to researchers and the public through the British Library. Technological advances have increasingly improved the durability of early recordings, requiring their translation into digital formats, and enhancements such as noise reduction. BBC Sound Archive The BBC Sound Archive is a collection of