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rdannap2
 Post subject: Requesting keel offset measurement for depth Instrument
PostPosted: 16 May 2014 11:27 
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Rail Meat

Joined: 05 Jun 2012 22:14
Posts: 11
Greetings to all,
My relatively new Raymarine depth instrument has never been correct. I welcome
input on the keel offset measurement (keel to bottom of hull) so I can factor that number into the calibration. Thanks!!!

Rick
Annapolis
S/V Montego
Hull 121
 
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puffcard
 Post subject: Re: Requesting keel offset measurement for depth Instrument
PostPosted: 18 May 2014 16:49 
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Skipper

Joined: 14 Jul 2012 20:36
Posts: 517
Location: Norfolk, Va
Do you know where your transducer is located, mine's front of the mast on the port side (1ft 3in) down from water line. So if you're setting for true depth to water line add 1.3. If you want water depth under keel subtract 3.0. That's would be for my transducer location.

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Hull #208, Puff Card
Southern Chesapeake Bay

 
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