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The SN90 sonar has been in the market for a few years and it is contributing greatly to catch rates and fuel savings.
The SN90 is a 70-120kHz unit allowing the fisher to either select a frequency for the target or to use a broadband (CHIRP) to better locate both the target species as well as identifying avoidable by-catch.
The precision of the system is enhanced by the integration of the ultra accuracy of an MRU (Motion Reference Unit) that provides extremely accurate Heave Pitch and Roll. The result is a stabilized echo sounder image several hundred fathoms in front of the vessel!
The accuracy of the image of the fish is also increased with the MRU. The system pings on the same fish regardless of the heaving , pitching and rolling motion of the vessel.
The result is advanced information that has normally only been available AFTER the vessel passes over the fish.
Up to 5 echo sounder images can be displayed. These images can be from any point in an area 120° by 90° in front of the vessel. This is from 60° to port to 60° to starboard and from the surface to the bottom.
The installed size of the sonar transducer is approximately a 12″ x 12″ cube and is generally hull mounted! This removes a giant hole in the hull and trying to find a location for a hull unit! Since this sonar is looking forward there is no need to make it the lowest devise on the hull either. We do have a Hull Unit option of course if this is needed.
Paste this link into your browser for a lot of cool images then contact us for more information and a quote.
Jess Woodruff 206-919-8151 [email protected]
Mike Hillers 206-601-2837 [email protected]

Simrad Fisheries

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