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 Ben. Radio 4 broadcasts the Shipping Forecast, which reached 150 years old in August 2017. The pips are only accurate on FM, LW & MW as there is a delay on DAB and digital radio of approximately 3 to 5 seconds, even longer online (up to 23 seconds). BBC Radio 4 is the second most popular British domestic radio station by total hours, after Radio 2 – and the most popular in London and the South of England. It recorded its highest audience, of 11 million listeners, in May 2011 and was "UK Radio Station of the Year" at the