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Down Imaging, Side Imaging, or both to find wrecks in salt water?

Does anyone have experience looking for wrecks or parts of wrecks in salt water (North Atlantic coast) using down imaging or side imaging (or both)? What type of sonar can be used to see relief as low as 1 foot from the bottom?


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Hi brianatsea

For the wreck hunting to use a Side Scan Sonar.
In order to detect slight unevenness above the ground of the sonar fish must be towed close above the ground. Therefore, you need an appropriately long trailing cables.

mvh
Rüdiger
Jun 7th, 2016 at 8:02 AM
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Thank you. I will be using a 23-foot boat with a single transducer on the transom. Do you still recommend side scan? or down imaging to see relief on the bottom?
For soft seabed you can create a subbottomprofile with down scan, with other conditions always sidescan.

mvh
Rüdiger –  Rudi  Jun 8th, 2016 at 9:46 AM

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