PPRuNe Forums - View Single Post - Setting QNH/Altimeter after GPS?

13th Sep 2010, 12:21

#22 (permalink)

Tim Dawson

Join Date: May 2007

Location: Compton Abbas

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It depends on the quality of signal. If you've just turned the thing on, you'll get an imprecise fix. After time, it gets better and potentially very good indeed. This will vary subtly with antenna type and position.

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