Portable fish finders?

[Dubie]

Well, I don't have any photo's to share, but I was looking into portable fish finders last year. Eventualy, I just bought a non-portable version for less money, and made it portable by screwing the transducer to a piece of scrap plywood and using C-Clamps to hold it to my boat. I mounted the monitor on another board, and strap it down to the bench by me. I thought it might not work, right, but its been working fine, as long as I line up the edge of the board right when I clamp it on. The best part is, I have a fish finder weather I'm using my boat or someone elses. All I do is clamp it on, clip it to a marine battery and away I go. Now, if you don't already have a marine battery and some scrap lumber, you may save more money buying the portable version of the model.
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