[PSUBS-MAILIST] transducer

[hank pronk via Personal_Submersibles]

Hi all,I am installing a transducer for sonar on Elementary and was planning to mount it inside the camera housing, but just read that it will not shoot through metal.  Does anyone know how deep a transducer can go unprotected?  do I have to build a fibreglass pressure housing for it?  I have had a cheap one on Gamma to just under 200 feet without trouble.  Hank
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