[OSM-talk] Some observations from a newcomer
Thomas Walraet
thomas at walraet.com
Thu Oct 12 13:08:41 BST 2006
Lars Aronsson a écrit :
>
> Now here is where you can easily waste your effort, by driving
> around while having poor reception. A lot depends on your receiver
> and antenna and how you position it, basic radio reception stuff.
> Don't blindly trust the accuracy given on the display. Find out
> how the antenna element is positioned within your receiver and how
> you should hold or mount it for better signal quality. Higher is
> better, try an external antenna on the car's roof. Try different
> tricks and record the same road many times to see how well you can
> do. Or just record your position while sitting still, to see how
> much it moves around.
I just don't record tracks when there's not enough satellites in view.
And if I plan to bike a few hours in the WE just for OSM purpose, I try
to choose when to do it with this page :
http://mappinghacks.com/projects/gpscal/query.shtml
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