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Has anybody used one? How accurate do you think it is?
I bought one for my 62, but decided to try it out in my pickup. It disagrees with my truck speedo by about 8%. My truck has slightly taller tires than stock, about an inch, supposedly 3.6%. So the GPS is showing 4+% higher speed, (around 54mph at a stock truck speedo indicated 50mph)
So, what do you think? Are they accurate? (the unit claims it is receiving between 8 and 11 satellite signals).
I bought one for my 62, but decided to try it out in my pickup. It disagrees with my truck speedo by about 8%. My truck has slightly taller tires than stock, about an inch, supposedly 3.6%. So the GPS is showing 4+% higher speed, (around 54mph at a stock truck speedo indicated 50mph)
So, what do you think? Are they accurate? (the unit claims it is receiving between 8 and 11 satellite signals).