[Geowanking] homemade maps using GPS

[Joshua Schachter]

This is from a phone, right? How does the accuracy of the phone compare to
normal GPS units? Does the phone support WAAS?

-j

--
Joshua Schachter   editor: http://memepool.com/
joshua at burri.to      also: http://muxway.org/
                 and also: http://geourl.org/

On Thu, 7 Aug 2003, Allen Smith wrote:

> I think collaborative mapping will work at a certain regional scale where
> the GPS errors are not as evident.  Since this February I have been
> logging the location of my phone every two minutes and here are some of
> the results:
> A map at this scale looks pretty good:
> http://www.gadgeteer.org/maps/AllenRegion.gif
> But when you zoom in over my house the errors start to dominate the
> picture
> http://www.gadgeteer.org/maps/Allen03Detail.gif
> The biggest blob to the north is over my house, the smaller one to the
> south is the nearest pub
> Here is another map of a someone from in the NYC area:
> http://www.gadgeteer.org/maps/NYC03.gif
> If anyone wants this data for experimenting, contact me