Quote:
Originally Posted by RichardCoulter
What would you hear if you tuned to this frequency?
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Originally back in the late sixties you would have heard a pulse every second with a longer one on the minute. This was changed later to a continuous signal interrupted every second and a longer one on the minute. Additional information was also encoded in the transmission. I think one was the offset from the second as transmitted to the second that navigators to find their position.