Thread: Sonar Quiz #24

Originally Posted by rnvinc

"Dark lines" aka "Ghost Lines" aka "Washboard lines" anomalies show up in side scanning images most commonly in examples of side scan images captured while using an xducer that has both "side pointing" SI piezoes and a "down pointing" DI piezo ...

LSS 1

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LSS 2 (not as prominent but still there)...

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Onix

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Garmin


Overlapping slice beams create an effect similar to this beam form example which end up showing in the SI image as the dark lines ...



Rickie

Rickie, with the onix, you can run the di on a different frequencie than the si or , if you choose, just turn the di off.