How accurate is GPS for speed underway?

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Re: How accurate is GPS for speed underway? [Re: dave taylor] #15156 01/08/03 03:37 PM 01/08/03 03:37 PM
Joined: Jun 2001 Posts: 3,116 Annapolis, MD Mark Schneider Carpal Tunnel
Mark Schneider Carpal Tunnel Joined: Jun 2001 Posts: 3,116 Annapolis, MD	Ok folks... Whats the answer to this simple question. At about max speed... aprrox 22 knotts true boat speed. What is the accuracy and the precision of your standard cheap consumer GPS. ... ie 22 knots plus or minus X At 3 knotts true boat speed... what's the error? Finally, How long must you be measuring for this kind of precision? crac.sailregattas.com

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Entire Thread
Subject	Posted By	Posted
How accurate is GPS for speed underway?	MaryAWells	01/07/03 09:55 PM
Re: How accurate is GPS for speed underway?	D Wilkins	01/07/03 10:18 PM
Re: How accurate is GPS for speed underway?	MaryAWells	01/07/03 10:31 PM
Re: DGPS	samevans	01/07/03 11:03 PM
Re: How accurate is GPS for speed underway?	Kevin Rose	01/07/03 11:14 PM
Re: How accurate is GPS for speed underway?	dave taylor	01/08/03 12:24 AM
Answer is simple : Sea / lake / ocean currents !	Wouter	01/08/03 01:09 PM
Re: Answer is simple : Sea / lake / ocean currents !	Todd_Sails	01/08/03 01:34 PM
It is more than a decimal point	Wouter	01/08/03 01:41 PM
Re: Answer is simple : Sea / lake / ocean currents !	Kevin Rose	01/08/03 02:01 PM
Re: Answer is simple : Sea / lake / ocean currents !	Kevin Rose	01/08/03 01:53 PM
Re: Answer is simple : Sea / lake / ocean currents !	dave taylor	01/08/03 02:50 PM
Okay I didn't know that	Wouter	01/08/03 03:58 PM
Re: flaming ignorance	samevans	01/08/03 04:19 PM
Re: flaming ignorance	dave taylor	01/08/03 06:42 PM
Re: flaming ignorance	Kevin Rose	01/08/03 07:05 PM
Re: flaming ignorance	mcole	01/08/03 08:44 PM
Re: flaming ignorance	pitchpoledave	01/08/03 08:59 PM
Re: flaming ignorance	dave taylor	01/08/03 09:16 PM
what anonymity?	samevans	01/08/03 10:58 PM
Re: what anonymity?	dave taylor	01/09/03 04:21 AM
Re: How accurate is GPS for speed underway?	flounder	01/07/03 10:46 PM
Re: How accurate is GPS for speed underway?	pitchpoledave	01/08/03 12:28 AM
Re: How accurate is GPS for speed underway?	spinakerjohn	01/08/03 01:18 PM
Re: How accurate is GPS for speed underway?	SGalway	01/08/03 08:07 PM
Re: How accurate is GPS for speed underway?	dave taylor	01/08/03 08:20 PM
Re: How accurate is GPS for speed underway?	Mark Schneider	01/08/03 08:37 PM
Re: How accurate is GPS for speed underway?	dave taylor	01/08/03 09:13 PM
Re: How accurate is GPS for speed underway?	spinakerjohn	01/09/03 01:15 PM
Re: How accurate is GPS for speed underway?	jmhoying	01/08/03 02:26 PM
Re: How accurate is GPS for speed underway?	Jake	01/08/03 02:54 PM
Re: How accurate is GPS for speed underway?	Kevin Rose	01/08/03 03:40 PM
Re: How accurate is GPS for speed underway?	BMoran	01/08/03 03:54 PM
Re: How accurate is GPS for speed underway?	jmhoying	01/08/03 04:01 PM
Re: How accurate is GPS for speed underway?	Jake	01/08/03 05:28 PM
Re: How accurate is GPS for speed underway?	alutz	01/08/03 05:00 PM
Re: How accurate is GPS for speed underway?	HoldenBeachin	01/09/03 06:57 PM
Re: How accurate is GPS for speed underway?	MaryAWells	01/09/03 07:38 PM
Re: How accurate is GPS for speed underway?	catman	01/09/03 10:04 PM

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