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Re: Speedometer Accuracy
- Subject: Re: Speedometer Accuracy
- From: Bob Hadden <kbhadden@xxxxxxxxxxx>
- Date: Thu, 2 Jun 2005 18:33:22 -0400
Marc, Do you know how often the samples are taken?
On Jun 2, 2005, at 6:16 PM, Marco S Hyman wrote:
>> If one has GPS on the bike, is the speed display super accurate at any
>> given moment?
> No, it is not super accurate
> It depends upon satellite coverage, power savings settings, and how
> the road. If on tight twisties under trees don't believe the GPS.
> The GPS only knows where it is this sample period and where it was last
> sample period and assumes you were driving a straight line between
> samples. OK, that's simplified as I'm sure they integrate over
> samples, but you get the picture.
> Before SA was turned off my GPS would sometimes report 1.2 - 1.3 MPH
> when I was stopped! I figure that it could easily be off 1 - 2 MPH
> // marc