My primary means of navigating (on land) is a topo map and terrain feature recognition. On those times when I have counted paces, I have been agreeably surprised at how accurate the technique has been.
I seem to remember that there were procedures for dropping paces or adding paces when going uphill or downhill. Do you know anything about that?
Inquiring minds want to know - why do they call it "dead reckoning?" Sounds kind of ominous......
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Geezer in Chief