Listening to the MSF clock signal?
Brian Gaff (Sofa) explained on 18/08/2020 :
What does it sound like is it a modulated signal or a frequency shift keyed thing. It is carrier on/off keyed once per second, with a fast on/off at the epoch. Length of on versus transmits time and date data, at one bit per second. The 'fast' on/off is called the croak and transmits the fast data burst - all data sent within the epoch second. |
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