[talk-ph] Multiple GPS tracks really make a difference!
Eugene Alvin Villar
seav80 at gmail.com
Fri Nov 26 14:22:24 GMT 2010
Here's an interesting article talking about how TomTom's MapShare
program (both the active and passive types) are helping Tele Atlas
(which was bought by TomTom) improve their data. The article itself is
very educational, but the accompanying images are quite informative in
This goes to show that even though a GPS may have errors, given enough
data, the errors are averaged out and we can get real positional
accuracy. So keep on uploading those (cleaned-up please) GPX traces!
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