What the signal that radio clocks set themselves to sounds like.

WWVB is a radio station at 60 kHz that broadcasts the time those clocks that set themselves to the atomic clock in Fort Collins Colorado. This video shows the spectrum of the signal and you can hear the pulses in the sound of the video. I used a BT878 Analogue To Digital Converter in Ubuntu Hardy to record the signal off a long wire. Then I used Audacity to 'tune' the 60 kHz section with Glame Bandpass Filter and Sine Oscillator (freq:control, amp:audio). This was recorded in Tiverton Rhode Island in the USA.

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Science & Technology

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