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
Time signal of the hour along with its jingle. Bonneville International-owned news/talk station KSL (AM-FM) in Salt Lake City uses a "clang" that originates from the Nauvoo Bell on Temple Square in Salt Lake City which has been a staple on the station since the early 1960s. In Canada, the national English-language non-commercial CBC Radio One network has broadcast the daily National Research Council Time Signal since November 5, 1939; the simulcast occurs daily at 1pm Eastern Time. Its French-language counterpart, Radio-Canada, broadcasts a similar signal at noon. Vancouver radio station CKNW also broadcasts time signals, using a chime every half-hour. The