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 Scotland 1230, 1630 and 1730. The title "Head of Radio, Scotland" was applied to cover not only the Radio Scotland service but also BBC Scotland's radio productions for other networks. BBC Radio Scotland BBC Radio Scotland is BBC Scotland's national English-language radio network. It broadcasts a wide variety of programmes. It replaced the Scottish BBC Radio 4 opt-out service of the same name from 23 November 1978. The first BBC Radio Scotland broadcast was on 17 December 1973, two weeks earlier than planned. BBC Radio Scotland was founded as a full-time radio network on 23 November 1978. Previously it was possible