Depends on where your fishing. Many sidescan units are good for picking up structure, but weak for fish. For offshore I have yet to find much use for it. Inshore anglers in Florida have had success with sidescan for finding Tarpon, schools of drum and bait. I would like to see comments on 3d scan technology...I just sprung for a Raymarine element, have yet to test it out, it has a large transducer that really needs a Hobie guardian transducer shield.
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