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 Extra is broadcast over the internet on the BBC website, on services such as Radioplayer and TuneIn and for users of IPTV's. It is also available on digital radio (on which it is broadcast monophonically) and television services including digital terrestrial provider Freeview, cable television providers including Virgin Media and on satellite television providers Freesat and Sky who receive their signal from the Astra 2E satellite. The pan-European nature of this satellite means that the signal can be received across northern Europe. The controller of the station is Gwyneth Williams who is answerable to the Radio board in the BBC. BBC