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 older, down-market demographic. Although popular with its target audience, the policy alienated many younger listeners who had listened to both Radio 1 and Radio 2 and the station's audience fell. It took another hit in 1990 when it lost its medium wave frequencies to a new network, BBC Radio 5 and BBC radio's sports coverage moved from Radio 2 to the new station at the same time. Further blows were struck by the rise of album-rock commercial stations (particularly Virgin Radio) and 'gold' spinoffs from Independent Local Radio stations playing classic pop and rock. With the station's audience in decline