Thread: Accuracy: Sat nav or speedo
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Old Dec 4, 2018 | 03:52 PM
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GVK.
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From: Lincs.
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Years ago I did a day at Brunters with one of the Golf magazines.

I had a road angel at the time and it was as accurate as the mag's Datron GPS timing gear.

Indicated 140mph was 131mph.
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