#OTD #TDIH #February5, 1924: The #RoyalGreenwichObservatory begins broadcasting hourly time signals known as the #GreenwichTimeSignal ( #GTS ), popularly known as #ThePips, a series of 6 short tones or #Pips broadcast at 1-second intervals by many #BBCRadio stations. #BBCSky #RadioSky
#OTD #TDIH #February5, 1924: The #RoyalGreenwichObservatory begins broadcasting hourly time signals known as the #GreenwichTimeSignal ( #GTS ), popularly known as #ThePips, a series of 6 short tones or #Pips broadcast at 1-second intervals by many #BBCRadio stations. #BBCSky #RadioSky
#OTD #TDIH #February5, 1924: The #RoyalGreenwichObservatory begins broadcasting hourly time signals known as the #GreenwichTimeSignal ( #GTS ), popularly known as #ThePips, a series of 6 short tones or #Pips broadcast at 1-second intervals by many #BBCRadio stations. #BBCSky #RadioSky
#OTD #TDIH #February5, 1924: The #RoyalGreenwichObservatory begins broadcasting the hourly #GreenwichTimeSignal aka #GTS aka #ThePips.
www.youtube.com/watch?v=nQGt...