by Charliemouse » Wed Jun 01, 2022 2:42 pm
Just keep entering different numbers until its bang on the same as a good GPS speed device. (phone app probably good).
By the time you have done loads of research and calculations you could usually have guessed it in about 3/4 goes on the road by above method.
Then make sure it OVER reads by a couple of %
It must not UNDER read to be legal.
Just keep entering different numbers until its bang on the same as a good GPS speed device. (phone app probably good).
By the time you have done loads of research and calculations you could usually have guessed it in about 3/4 goes on the road by above method.
Then make sure it OVER reads by a couple of %
It must not UNDER read to be legal.