Hi guys and gals.. thanks to all who responded to this thread. There are some serious speed merchants out there!!! Kirk mentioned that he uses a knotmeter which led me to muse about the comparative accuracy of a GPS receiver versus a knotmeter in measuring speed across the ground. I remember thinking when I measured 6 knots parasailing that [subjectively] it seemed slower than speeds reached on other occasions. With only a rudimentary understanding of the trigonometry involved in GPS triangulation, I assumed that the GPS could be quite inaccurate in recording speed across the ground in short bursts and over relatively short distances, say over several hundred metres. Has anyone tried comparing a knotmeter with GPS readings simultaneously? Cheers, PeterR, Wollongong, Australia. *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************
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