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

From: keydana at gmx.de (keydana at gmx.de)
Date: Wed Nov 3 11:25:29 EDT 2010

That sounds good! Then I should definitely try and compare both measures!


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

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