Garmin GPS - Re: help calculating "true bearing to destination" value in $GPRMB

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Re: help calculating "true bearing to destination" value in $GPRMB

Jack Erbes

2006-04-20, 5:48 pm

Raoul Watson wrote:

<snip>
> But why are you calculating bearing from the start point/ In navigation
> wouldn't you want to calculate from the CURRENT position? That's just the
> pilot in me talking.

Some GPS displays will show a route starting point to destination line
while you are following a route.

I don't use it but if you were on a one leg route it would give you a
visual representation of the cross track error. Not sure what other
purposes it would have.

Jack

--
Jack Erbes in Ellsworth, Maine, USA - jackerbes at adelphia dot net
(also receiving email at jacker at midmaine.com)

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