Aquatic Listening Device

The following device was designed to listen to aquatic sounds. It has only been tested in a small freshwater pond. During the test not much was heard, some rustling about, some snaps and an occasional click. I suspect that a pond is a pretty quite place. If someone wants to build this device and give it a test in the ocean I would appreciate knowing how will it worked and what sounds were heard.

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Jerry Baumeister
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Copyright 1996, Jerry Baumeister
Revised - 6-21-99