Quote Originally Posted by Schins View Post
well i just learned something new from Rickie's post.......the 30deg (roughly) angle that side imaging shoots at is from the horizontal top, or water surface. For a couple years now i always thought it was 30deg from horizontal bottom.

Ive experimented with tilting down imaging transducers to the side, but never went past 45deg off horiz bottom thinking surely it wouldnt work
The SI beam form is measured horizontal from SI xducer ...

One can see the 30° angle of the SI piezoes in this cutaway ...

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No DI piezo pointing down ...

Rickie