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Old 03-01-2008, 06:03 PM
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Join Date: Jan 2008
Location: Michigan and Wisconsin
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Default Re: Depth Finder questions

If you worry about depth, like I was, I had an Interphase forward scanning sonar on my 42 Carver (48' loa). I never got into trouble. They have pretty concise instructions on where to mount the transducer.

On my Cougar I have a simple Gafrig depth gage.

The Interphase scans in an arch from below your boat to forward of your boat. It uses a phased array - there's no moving parts. You need to practice "seeing" obstacles, such as old pilings, but once you figure it out, it helps a bunch.

If I were on a river, I would certainly use an Interphase scanning sonar. Much better than a regular down-looking depth finder.
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1988 US1 Cougar 46', Kevlar, 3 750hp 572s
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