Is GPS speed more reliable that speedo? - Page 6 - Renault Forums :: Independent Renault forum

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post #26 of 28 (permalink) Old 3rd February 2008
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i belive that the us military engineered a 10 meter inaccuarce into the GPS system, but they engineered it so that their ordinance wouldnt be affected by this and would be pin ***** accurate
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post #27 of 28 (permalink) Old 3rd February 2008
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As my name suggests I travel a lot between France and the UK. I have a French Kangoo with kilometres only on the speedo. Travelling at night from Plymouth to "up north" gives me about 360 miles of chance to try the Sat Nav speed out. After a year I'm quite happy now to travel to the speedo readings from the Sat Nav and I have never been flashed. According to the authorities as you leave Plymouth docks 70 mph = 110kph. Try this and you are in for grief, it should be 112 kph, not a lot of difference but it gets you tailgated. With Sat Nav I now run at 121 kph and have passed police cars with no problems. Basically I use the 1.7 times table! 20mph = 34 kph etc!

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post #28 of 28 (permalink) Old 3rd February 2008
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if i was worried about getting points on your licence i would invest in a road angel
i been driving 11 years and never had 1 point on my licence
only been pulled once after midnight cos i let the copper go before me must have looked suss but i was tired had just finished work and didn't want them behind me lol
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gps , reliable , speed , speedo

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