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Re: GPS for calibrating Retrotrip

To: hypercubic@yahoo.co.uk, healeys@autox.team.net
Subject: Re: GPS for calibrating Retrotrip
From: N5572B@aol.com
Date: Sat, 17 Sep 2005 21:06:51 EDT
OK. what is a "Retrotrip"?
Dave Duffey
 
In a message dated 9/17/05 5:03:45 P.M. Pacific Daylight Time,  
hypercubic@yahoo.co.uk writes:

Saw the  posting on setting Speedos using a GPS. Slightly different 
calibration  problem, but I fitted a Retrotrip last Saturday, then on Sunday 
took the 
BN2  for a run out to calibrate it. I chose a quiet, straight, piece of road 
and  set the GPS to read miles travelled. Using the instructions that came with 
the  Retrotrip, I used the GPS to get an exact measured mile, then dialed the  
number that came up on the unit into the setting registers. It worked a 
treat.  In fact on the just over 20 mile run home, the Retrotrip was within 6 
100ths  of a mile of the GPS. It was probably even better than that in reality, 
since  the GPS lost its signal at one point on the way home, and most if not 
all 
the  6 100ths difference occurred during that  time.

Mike
Houston




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