That was true for the early ones but even since the 3GS they have a proper GPS system. The iPhone 4s even supports GLONASS.Giblet wrote:I would be apprehensive as to the accuracy of the GPS in the iPhone. Its great for getting from A to B and seeing the route, but it isn't 'true' GPS and works off cell tower and wifi triangulation. When I use my running app it occasionally shows me cutting corners when I clearly didn't run over someone's house.
Its constantly figuring out where it is, instead of just knowing based on never changing satellites.
The tie in to the cars diag and data outs is nice though. It would be cool if you could have a speed delta for your daily drive.
"Shave a 10th off that corner by clipping the pedestrian"
Is that up your alley?
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