Ake Hedman wrote:

> Is there any way at all to get compass information using a GPS when you
> do not move? You say two coordinates. Well, thats easy even if you stand
> still.

  Not possible if you're standing still.  The heading data is based on the new,
compared with the last fix, but if you're standing still, errors will make you
wander over several metres, so the direction would be all over the place.

  That's why some GPS recievers contain a magnetic compass as well.  It covers
you for when you're moving really slowly, or standing still.

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