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Reply With QuoteSHOWING BOTTOM WITH A HIGHER SPOT ON EDGE OF SONAR
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Sonar Quiz #31
What other tools could we use to learn more about the echo return in the blue ...??
Rickie
pic credit to doc
Last edited by rnvinc; 09-13-2017 at 10:51 PM.
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SHOWING BOTTOM WITH A HIGHER SPOT ON EDGE OF SONAR
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fish laying on bottom
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Soft bottom? No clue
Slabmaster II
A complete guess. Buried hard layer of some type.
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Not enough info ..... how fast is boat moving?
That is 83 Khz with a pretty wide beam and not as good of target separation ..... You could look at it with 200 Khz and DI / SI unless this is only a 2D unit.
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Maybe a somewhat softer bottom like sand which would absorb echo a little more with maybe a log downed
Complete guess though and hope to learn something new
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Sonar Quiz #31
Originally Posted by speckfinder
And Bob answers the 2nd part of the quiz about "what other tools could we use to Learn more about the echo" ...
Frequencies (in any sonar) are "tools" ...
Low frequencies have generally larger beams = more coverage - less detail ...
High frequencies have generally smaller beams = more detail - less coverage ...
If your sonar has the option to display both frequencies at the same time (2d) ...this split sonar view will have both "tools" working for you at the same time ...
Rickie
Last edited by rnvinc; 09-13-2017 at 10:52 PM.
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Nice job speckfinder and thanks for quiz Rickie!
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Doh, took too long to answer! Was letting others have a crack at it first. BobB and I seem to think similarly!
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