[OSM-newbies] GPS vs Tracing

[Donald Campbell II]

Okay so now Potlatch 2 is showing up on the Edit page along with Bing
background so I've taken a look at my area.

Since everything here was made from GPS tracks, how do I know which is
correct, the GPS or the overhead images?  Perhaps I was driving on one side
of the road and drew it off to the side by a good 10 feet or so, perhaps I
had low accuracy...  on the other hand perhaps the aerial photos are off by
a couple feet one way or another.

How can I tell if I should scoot my tracks to match the overhead or leave
them alone and assume they're more correct?  Also if the overhead images are
off a few feet how can I get that fixed?

Thanks,
-Don.
P.S.  Yes I know I probably just opened up a can of worms by mentioning
Bing.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/newbies/attachments/20101130/d8524569/attachment.html>