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From: rbowman <bowman@montana.com>
Newsgroups: comp.os.linux.misc,alt.comp.os.windows-11
Subject: Re: GPS Based Speedometers
Date: 9 Dec 2025 20:30:37 GMT
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On Tue, 9 Dec 2025 14:13:17 +0000, The Natural Philosopher wrote:


> In the UK we have little 'this is your speed!' displays in green or red
> depending on whether you are exceeding the limit or not.
> These agree EXACTLY with my Tomtom Go  speeds, derived from GPS and are
> always around 7% lower then the speedometer reads.
> 
> On every car I have tried it on.

I pass one of those frequently and it matches both the Garmin Nuvi and the 
Toyota speedometer when I am running the OEM tires.

The sign is at the bottom of a short hill and flashes if you exceed 35 
mph. I used to try to get it flashing with my bicycle but never quite made 
it. They finally moved it further out on the flat making it impossible, 
for me at least. The bike's gearing didn't help either.