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View Poll Results: Do you have a deviation card /table on board?
Yes, created it myself 15 20.83%
Yes, created by a compass compensator 4 5.56%
Yes, created by someone else 3 4.17%
No deviation card /table 32 44.44%
What is a deviation card /table? 18 25.00%
Voters: 72. You may not vote on this poll

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  #21  
Old 04-28-2009
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Originally Posted by Maine Sail View Post
Yes it sometimes does but it is usually due to changes I've made in the cockpit. Also it is important to calibrate your compass to how you usually sail. For me I always have my plotter, depth and AP on. I actually have two deviations cards, an electronics on card and an electronics off card..
Interesting ... How different are they? Could you scan and post them?

Jack
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  #22  
Old 08-25-2011
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obsolescense

What's the use of it (dev. table) on the days of the GPS?
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  #23  
Old 02-20-2012
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Until recently my sailing was local and I recognized enough so any deviation was insignificant( the compass that came with the boat wasn't so hot either. .But have recently purchased a Richie Globe master, bronze binnacle and am having a brass compass guard made, all will the intention of serious ocean trips...once installed I will have it adjusted properly
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  #24  
Old 02-20-2012
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Originally Posted by wolfenzee View Post
Until recently my sailing was local and I recognized enough so any deviation was insignificant( the compass that came with the boat wasn't so hot either. .But have recently purchased a Richie Globe master, bronze binnacle and am having a brass compass guard made, all will the intention of serious ocean trips...once installed I will have it adjusted properly
Deviation has nothing to with where you sail.

Deviants may have to do with whom you sail.
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  #25  
Old 02-20-2012
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Originally Posted by jackdale View Post
Deviation has nothing to with where you sail.
I think his point was that he didn't do any navigation by compass, since he could easily do all of his navigation by landmarks.
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  #26  
Old 02-20-2012
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I think his point was that he didn't do any navigation by compass, since he could easily do all of his navigation by landmarks.
Very possible in the PNW.
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  #27  
Old 02-22-2012
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The compass formation by GPS is calculated internally from information like positions over time.It tells you where you've been.and you assume it's pointing the way you're going. Accidental in irons, gybe, MOB or maneuvering in fog and rocks and dark with current will show the short comings of not having a ""trusted ""compass .Before GPS I'd set my course by wave action and guesstimate my way across the Beaufort because compass was useless in rough weather (too far north) Understanding dev ,var, dec and error can save your butt.
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