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Thanks!
That was what I expected it to do, now I am sure

Regards,

Maarten van Noordem

On Oct 3, 1:42�pm,  wrote:
> I was reading the post on the mecca direction question and was
> wondering; when a (Garmin) GPS indicate a direction, does it follow a
> rumb line or a great circle?
>
> GPS uses spherical trigonometry so the answer is Great Circle.
>
> A rhumb line is a special curve called a loxodrome which spirals out from 
pole to pole. �It has the special property of maintaining a constant angle to 
the meridians. Hence on a mercator chart it is a straight line from place to 
place.
>
> Douglas Denny.
> Chichester. England.
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