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sounders
I am going to buy a sounder for use in my aquaculture operation. I
need it to be as accurate as possible in determining if my mussel socks are touching the bottom or are 1' off the bottom. The water is only 20 feet deep and it is a mud bottom. Some people are using SiTex 106-L which has 300 watts of power and 50 or 200KHz and some are using Furuno FCV 620 which has 600 watts of power and I saw one with a Hondex. For my application is there any advantage of one over the other? Also My boat is aluminum and some dealers are telling me to use a bronze transducer but make sure it is isolated with plastic bushing and other are saying use a special ordered aluminum transducer. And finally would it be most accurate if it pointed straight down or would having it 10 degrees off to one side (flat against the hull) make a big difference, if so could I fabricate a level flat spot on the hull to mount it to but would this create to much turbulence for it to read properly? I want it as far forward as possible not on the stern. Thanks |
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