Jinx <joecolquitt <at> clear.net.nz> writes:

> (*** 2499m ??? !!! Who measured that ?)

'High precision' readout on digital altimeter with (better than standard) +/-15m
accuracy, not corrected for vertical temperature gradient ? ... aka 'our
marketing dept. does it better than engineering since we can add digits to the
readout without adding significant cost'.

Actually I think that such an accurate reading can be taken using optical
triangulation (1 meter at 2500 in isosceles tri. is almost exactly 1 arc minute).

Peter P.


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