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 Lincolnshire the station recorded record audience figures – according to RAJAR, listeners were tuned into BBC Radio Lincolnshire for longer ("hours") than any other radio station in the country. In October 2005, it presided over the creation of a new flag for Lincolnshire. The station changed its name from BBC Radio Lincolnshire to BBC Lincolnshire on 30 November 2009. The name reverted to BBC Radio Lincolnshire in May 2012. The main signal on 94.9 FM comes from the Belmont transmitting station near Donington on Bain in the north of the county, which, until the height reduction carried out in September/October 2009,