To the lucky four individuals who aquired a copy of "how to build a passive sonar system with trainable bearing capabilities" at this last convention, the updates and conclusions are soon to be in print and will be mailed to your provided postal addresses once ready. Complete copies can then be made and shipped to anyone to whom you wish to provide them to. One update will be the final solution on how to make these hydrophones work at greater depths than it is capable of now. Think you have the solution? Share with us your ideas, test it out, and share with us your testing results. Get involved! Send your mailing address to: dbartsch2236@hotmail.com and I will ensure it is secure and in my mailing file.
From: HUNTR2@aol.com Reply-To: personal_submersibles@psubs.org To: personal_submersibles@psubs.org Subject: [PSUBS-MAILIST] Passive sonar at the convention Date: Fri, 11 May 2007 04:25:56 EDT I just received a nice package of literature and hardware from Davidregarding the passive sonar. I will bring it to the convention and be willing togive a short presentation on his design and construction and ideas onimplementing a setup which will allow directional sensing. I've already tried one ofthe transducers in my fish pond in the back yard, hooked up to a cheapkaraoke machine for amplification. I does pick up the sound of the waterfall andwhen I tap a rock on the sidewalk beside the pond, you can hear it quite well. David send some very nice literature which I'll pass out at theconvention. As he says, this is not the final answer to psub passive sonar, but a place to start the experimentation, research and discussion. As a prior navysub guy, he has some practical knowledge and experience. A side note.... I put it up against my stomach and.... eewww I could hear my intestines gurgling! Gene Seus************************************** See what's free at http://www.aol.com.
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