Tag Archives: CHU

Recording the 2015 Leap Second

Yesterday, I posted a brief article about the leap second that occurred between 23:59:59 June 30, 2015 and 00:00:00 UTC July 01, 2015. I decided to record the leap second on as many shortwave time station frequencies as possible. The only … Continue reading

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Hang on a second…seriously

Tonight, for the first time in three years, we will experience a leap second. What is a leap second?  Wikipedia provides a concise explanation: A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time (UTC) in … Continue reading

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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

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