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Marina Rat

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Member since: October 2026
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A free school and community for Furuno omni sonar: how it works, how to read it, what the pros do, and how to buy and install it.

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CSH-10 reference

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© 2026 NautiSignal, LLC. Published independently by NautiSignal, LLC. Furuno, CSH, NavNet, TZtouchXL and RotoKey are trademarks of Furuno Electric Co., Ltd., used here to identify the products discussed. Prices shown are published MSRP from Furuno USA and change without notice; your installed price comes from a dealer quote.