Join Date: Sep 2003
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The "fishfinder"-type depthfinders go as cheap as $80 for a little Hummingbird. I think it's a hoot that sailors go for the standard digital depth readout that tells nothing about bottom conditions while fishermen use the chart-type depthfinder that provides info about depth, depth trends, bottom contour and, best of all, bottom-composition, ie. hardness or softness, grass, obstructions, etc.
I would heartily suggest you ditch your old digital depthfinder for one that provides a lot more info useful for anchoring than just depth. The mounting is a simple inside the hull mount, shooting through the hull itself so there are no external openings.
Good-luck, mate, in your decision. Worse come to worse, toss a sounding lead over the side.
"There's a wind in my sails that protects and prevails." - "Six Months in a Leaky Boat", Split Enz