[racket] moby/phonegap/android: use acceleration or geolocation to derive velocity?

From: Anthony Cowley (acowley at seas.upenn.edu)
Date: Wed Nov 3 09:30:05 EDT 2010

On Tue, Nov 2, 2010 at 10:27 PM, keydana at gmx.de <keydana at gmx.de> wrote:
> Thanks Noel - the scale would be meters rather, but I somehow assumed that this might be too small-scale for GPS ...

GPS is very precise for differential measurements. It's the absolute
accuracy that lets you down.


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