From: bill@occs.cs.oberlin.edu (Bill Mohler)
Subject: Need Hydrophone Info.
Organization: Oberlin College Computer Science
Distribution: sci.electronics
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I don't know much about Hydrophones, so I'm looking for any information
that will help avoid problems I haven't thought of! I would like an 
inexpensive hydrophone and amplifier with tape (line level) outputs...
something like Edmund sells for $250. They also sell just the microphone
(hydrophone) head for $24, but how does one construct the enclosure?
Any information would be greatly appreciated, Thanks!

Bill Mohler
bill@occs.cs.oberlin.edu