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I have been restoring a 1969 morgan 24 and am just about complete. I am having trouble choosing though which type of transducer would work best on my hull. trying to be economic, I've decided to go with the Uniden depth sounder, but would like insight as to best place to install the transducer and what type ( through-hull or in-hull/shoot-through-the hull). I do have to motor through shallow channels and would like the most accurate readings.
 

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Most transducers can be mounted to shoot through the hull, provided the hull is solid fiberglass with no voids or core material. You can check this by using the transducer by placing it over a ziplock bag full of water and seeing if you get an accurate depth reading. Given that you motor through shallow channels, mounting it further forward would be useful. However, it has to be in an area where the water under the hull is relatively undisturbed, since turbulence will prevent it from working properly.
 
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