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Your echo lines in the SI image water column are reflections off the sponsons ....Quote:
Originally Posted by Harmston
About the only option for eliminating these echoes lines in SI caused by sponsons reflections is to use 2 SI xducers with the 9 M SILR Y cable ...
https://humminbird.johnsonoutdoors.c...splitter-cable
Rickie
I thinl ill try putting a poly board on and moving the tranducer down and towards the engine. I hate buying another xducer.