Greenwich Time Signal broadcasts the pips every hour. Pips can also be heard on many BBC Local Radio stations although their use is up to the discretion of individual stations. A rare quarter-hour Greenwich Time Signal can be heard at 05:15 weekdays on Wally Webb's programme on six BBC Local Radio stations in the east of England, as part of his "sychronised cup of tea" feature. In 1999, pip-like sounds were incorporated into the themes written by composer David Lowe to introduce BBC Television News programmes. They are still used today on BBC One, BBC World News and BBC News. The BBC does
National Research Council Time Signal Ontario, Quebec and the Maritime provinces. The signal consists of a series of 300 ms "pips" of an sine wave tone, each one starting at the top of each UTC second, up to ten seconds before the hour, followed by silence, and then a one second-long 800 Hz tone to mark the top of the hour. The CBC time signal is typically delayed by about 300 ms with respect to the CHU time signal, because each CBC radio station receives the actual time signal from Ottawa by satellite. The spoken header, as announced by a local on-air talent at each