Reply With QuoteMakes perfect sense to me!
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See if this makes any sense to you...
Last edited by rnvinc; 02-24-2010 at 04:10 PM.
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Slabmaster II
Great illustration
Minnow
One thing the may be a bit confusing for some - the image is not a snapshot. It's made up of many thin slices pieced together over time. Here is an image that may help - think of the scans being pulsed rapidly to build an image.
bob baldwin
bryan, texas
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1197c SI
AS GRHA GPS
Trophy King II
Yes, makes sense. Thanks for the graphic. What was throwing me off is the fact that what appears in the images to be the foreground is actually the background.
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Exactly...the only actual "real time" sonar is the 1 inch slice of water directly under the tranducer....Originally Posted by TN Hillbilly
Everything else shown on the screen is sonar "history" produced by stacking those 1 inch slices on top of each other.....to form an image....
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Just like in 2D sonar except that with the Si beams being so thin front-to-rear they allow for a picture-like image to be formed on the display. Sort of like an underwater version of an MRI or is it a CAT scan?
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