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| the manual of my new Humminbird actually comments on this "myth". (yes, i read my manual. i'm a fishing geek.)
anyway, it describes the speed of sonar/sound in water (extremely fast), the number of pings per second (4:1 i believe), and basically laughs at the notion that you could ever drive a boat fast enough to outrun your sonar.
imho, if you're losing signal at high speed it's probably more likely a transducer placement or interference/noise issue, something that is likely to be made worse when you're driving fast and create the appearance that you're "outrunning" your sonar signal.
the power of the signal could be a factor here as well? ie., a signal with less power would be more impacted by turbulence from the hull, etc., etc.? anyone know how that factors in?
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