Tag Archives: CHU

Grandfather of WWV’s atomic clock

I just discovered a film produced by the National Physical Laboratory (NPL) Film Unit in the 1950s explaining the principles behind the first accurate atomic clock. The clock was designed by Louis Essen and built at the National Physical Laboratory in … Continue reading

Posted in Nostalgia, Radio History, Videos | Tagged , , , , , , | 1 Comment

Canada’s shortwave time station, CHU, is moving

Press release from the National Research Council (NRC) of Canada: Time to change your shortwave radio dial After seventy years of broadcasting Canada’s official time, NRC’s shortwave station CHU will move the transmission frequency for the 7335 KHz transmitter to … Continue reading

Posted in News | Tagged , , | 4 Comments