On Thu, 11 Jul 2002, Richard Lynch wrote:
NOTE: End-user GPS units are off by like 30 meters (?) on purpose so Joe
Blow can't tell the enemy how to find the White House and blow it up.
Sigh. You're never gonna beat that error margin without a *LOT* of repeated
readings over a long period
But keeping all that junk in the database as 2-D mapping would only be
needed if you're going to be providing driving directions and keeping all
the highways and all that crap that MapQuest keeps (I assume). You almost
for sure don't need all that.
It seems to me like they still need street
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