[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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