[OSM-talk] Some observations from a newcomer
SteveC
steve at asklater.com
Thu Oct 12 15:18:11 BST 2006
* @ 12/10/06 01:08:41 PM thomas at walraet.com wrote:
> 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
Why? If it's because of urban canyons it's not worth it:
http://lists.openstreetmap.org/pipermail/talk/2005-March/000414.html
have fun,
SteveC steve at asklater.com http://www.asklater.com/steve/
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