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Side-Scanning Sonar Gallery

Innovative side-scan sonar broadens your view of the underwater realm.

January 14, 2013
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Puzzled by the lack of yellowtail snapper in the chum line, the author used ­side-scan to ­reveal fish 30 feet off to ­starboard, left side of screen above. Right side shows a ­down view of same school. Joe Mahler
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Fish to the sides of the boat are seldom recorded by down-looking sonar. In this case, dolphin.
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A DownScan image reveals high-resolution wreck details.
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Fish in the box can be a matter of confidently finding them first.
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Above, the Lowrance HDS 10 unit utilizes StructureScan, though other brands such as Humminbird, Simrad, and Navico have similar side-scanning technology available.
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