Martin Koppenhoefer <dieterdre...@gmail.com> wrote: > 2012/12/20 Pieren <pier...@gmail.com>: > > The point about car navigation systems is > > incorrect. It does not care about the highway way position (and no > GPS > > device is accurate enough to determine on which lane you are). > > > I wouldn't be so sure about that, professional GPS devices are that > precise, and by combining several signals also consumer grade devices > might be able to get to this precision (i.e. combining glonass, gps, > galileo). > > cheers, > Martin > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > http://lists.openstreetmap.org/listinfo/tagging
The accuracy of the consumer machines varies greatly by circumstances. I have had times it was accurate to within a meter or so, and I once had a reading that was off by about 20 kilometers (admittedly, the latter was during a solar flare). -- John F. Eldredge -- j...@jfeldredge.com "Reserve your right to think, for even to think wrongly is better than not to think at all." -- Hypatia of Alexandria _______________________________________________ Tagging mailing list Tagging@openstreetmap.org http://lists.openstreetmap.org/listinfo/tagging
