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Big speed difference with different GPS modules!

Posted: Fri Oct 26, 2012 9:58 pm
by gaskleppie
I switched from my Tomtom 1Hz cradle to a Dual GPS with 5Hz and the biggest surprise to me was the difference in speed its showing.
Its understandable that with a lot more datapoints, the speed is measured better but in some corners the difference is 15km/h!
So, for every one who is willing to buy a GPS like this, keep in mind that you cant compare your old lap data with the new ones!
As I look at the speeds on my last recordings and graphs, I should be at least 10 seconds slower but instead of that, I went 0,8sec faster!

Still I love my new Dual GPS ;)