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
The Signal (radio program) The Signal (radio program) The Signal is a Canadian radio program, which debuted on CBC Radio 2 on March 19, 2007 and had its final broadcast on September 2, 2017. Devoted to contemporary music and airing from 10 p.m. to 12 a.m., the program was hosted by Laurie Brown Mondays to Saturdays. The weekend version, which previously aired Friday to Sunday was hosted by Pat Carrabré until March 2009 (until this time Brown only hosted Monday to Thursday). Subsequently, Brown took over the Friday and Saturday edition of the show while the Sunday broadcast being replaced by "The Strombo Show".