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Mileage tax vs. fuel tax - "Privacy? What's that?"	by Twitchh	2009-03-23 08:03:34
Mileage via GPS -> YMMV	by clystron	2009-03-23 08:31:32
My GPS is a heck of a lot more accurate	by joecrouse	2009-03-23 08:34:36
and thats where the trouble starts	by clystron	2009-03-23 08:40:19
That drift is easy to fix.	by AndyA	2009-03-23 11:08:52
You can do a lot of things...	by clystron	2009-03-23 11:57:49
... but its gonna cost you. I have had my share of experience with GPS-Tracking and especially in bad environments (very common in cars) its very hard to filter out unwanted drift/jumps. Speed and Distance might be in total harmony because Speed may be calculated based on Distance by the receiver (have seen jumps of large distances with speeds in exess of 1000kph). If you filter out to much you end up loosing parts of the track. In my experience its not usable for a "check once per year" type of thing, it needs constant monitoring to catch those glitches. All these uncertainties make it unsuitable for measuring something that people have to pay money for ;)
[ Reply ]
Speed is not normally done by position delta.	by AndyA	2009-03-23 12:02:21

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