John, Thanks for that the point data is accurate , it is from a DPGS and it overlays OS data perfectly..so it look like the error is elsewhere..I will continue the hunt :)
Thanks, MM On Sep 7, 8:49 pm, "maps.huge.info [Maps API Guru]" <[EMAIL PROTECTED]> wrote: > It's not anything to do with precision of WGS84, but of cumulative > error of the various systems. No measured point with anything but a > DGPS will be closer tan 12 feet, so you start out with a 3 meter > error, most likely a lot more. Then there are errors in the maps > themselves, translating it into a projection and all the other > possible hardware and software errors that add up. > > If you're within 20 feet, feel lucky. > > -John Coryat > > http://maps.huge.info > > http://www.usnaviguide.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Maps API" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Maps-API?hl=en -~----------~----~----~----~------~----~------~--~---
