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Marport's Trawl Explorer is the most flexible and technically advanced digital trawl sounder in the world! The unit shows the vertical position of the net, temperature, depth, fish targets relative to the net and clearance between the foot rope and seabed. Selectable downsounding frequencies (86 or 210 kHz) are now standard and can be used to change the beamwidth from wide to narrow depending on conditions. The Trawl Explorer has an unmatched battery life (up to 100 hours) and provides an accurate picture of the headrope, footrope, seabed, and fish targets. Trawl Explorer is compatible with Furuno CN24 displays.
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The Tunnel Sounder is installed in the middle of the trawl either on the top of the net or in the belly. The sensor confirms the fish are swimming into the cod end. A unique feature of the sounder it its transducer which can look backwards and provide an echogram of the fish swimming past the Tunnel Sounder all the way into the cod-end. |
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The Cod-End Sounder is installed in the cod-end of the trawl either on the top of the net or in the belly. This sounder confirms the fish are swimming into the cod end and helps the skipper estimate the volume of fish in the cod end. A unique feature of the sounder is its transducer which can look backwards and provide an echogram of the fish swimming past the sounder all the way into the cod-end. |
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