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HELIX 7 SI CHIRP G2N only has 455kHz imaging ...
You can “upgrade” the xducer to the XHS 9 HDSI 180 T and get somewhat better SI images ... the XHS 9 HDSI 180 T has longer SI piezoes which produces a thinner SI beam (more detail) ...
Learn more here:
HD vs Compact transducer
Rickie
www.podunkideas.com <--Click here
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https://www.crappie-gills-n-more.com/
https://cornfieldfishinggear.com/
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