Greenwich Time Signal Greenwich Time Signal The Greenwich Time Signal (GTS), popularly known as the pips, is a series of six short tones broadcast at one-second intervals by many BBC Radio stations. The pips were introduced in 1924 and have been generated by the BBC since 1990 to mark the precise start of each hour. Their utility in calibration is diminishing as digital broadcasting entails time lags. There are six pips (short beeps) in total, which occur on each of the 5 seconds leading up to the hour and on the hour itself. Each pip is a 1 kHz tone (about halfway between
BBC Radio 2 "You and the Night and the Music". Radio 2 has the longest period of continuous broadcasting of any national radio station in the UK. The BBC Pips are broadcast at 7am and 8am on weekdays, then again at 5pm and 7pm. BBC Radio 2 moved its studios from Broadcasting House to the adjacent Wogan House in 2006. Although the majority of programming comes from London, some shows are broadcast from other cities around the UK, including Birmingham and Manchester. For many years, the network's overnight presenters, such as Janice Long and Alex Lester, were based in Birmingham, but made the