On 4 January 2016 at 00:48, BOB <BOBSCNC@charter.net> wrote:

> I need to find a sonar transducer that transmits in a full 360 DEG
> pattern.  All fish locators/ depth finders transmit in a 60 DEG cone.
>
>
This may be of interest:
http://www.acs.psu.edu/drussell/Publications/MDQSources.pdf

--=20
Brendan Gillatt
http://www.brendangillatt.co.uk
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