Forum: Electrics and electronics
14 October 2010, 15:26
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Replies: 23
Views: 4,193
I do a bit of abalone diving, and, being pretty...
I do a bit of abalone diving, and, being pretty much incompetent at freediving, generally end up in rocky areas with about a 25' max depth. Quite often the shallower rocks are just below the surface...
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Forum: Electrics and electronics
13 October 2010, 15:37
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Replies: 23
Views: 4,193
Beam angle of a generic transducer is (as I...
Beam angle of a generic transducer is (as I recall) on the order of 20 degrees or so. The unit shows the first returned echo from within that cone as the "bottom". It doesn't know (or care) if it's...
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Forum: Electrics and electronics
12 October 2010, 18:33
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Replies: 23
Views: 4,193
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