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Jon, Should Lynn and Tom desire the newly redesigned hydrophone selector unit (HSU) for testing in this area, I would be glad to surrender this unit to them. This item being removed from me would free me up to continue my work on underwater communications consoles. At present, this unit is completed so as to attach six hydrophones covering 120 degrees of coverage and could be further modified to take up to an additional twelve more for a complete 360 degrees of coverage. (just by adding some simple wiring) I would resume testing in this area, but this could take some time to accomplish and would distract me slightly from other areas of study. This I offer free of charge by simply providing me a suitable mailing address. This would be sent upon my return to Tn. at the end of this month. Pictures of this unit can be viewed under the passive sonar special projects pages of the club web site. David Bartsch > Date: Sat, 21 Feb 2009 11:35:08 -0500 > From: jonw@psubs.org > To: personal_submersibles@psubs.org > Subject: Re: [PSUBS-MAILIST] sonar research > > > FYI, > > Lynn Darnell (a psubber) and Tom Anderson at the NH Technical Institute > are doing some research work into providing directionality with > home-built hydrophones. It sounds like their preliminary work has been > successful and they are preparing for some open-water tests soon. > > Jon > > > > > ************************************************************************ > ************************************************************************ > ************************************************************************ > The personal submersibles mailing list complies with the US Federal > CAN-SPAM Act of 2003. Your email address appears in our database > because either you, or someone you know, requested you receive messages > from our organization. > > If you want to be removed from this mailing list simply click on the > link below or send a blank email message to: > removeme-personal_submersibles@psubs.org > > Removal of your email address from this mailing list occurs by an > automated process and should be complete within five minutes of > our server receiving your request. > > PSUBS.ORG > PO Box 53 > Weare, NH 03281 > 603-529-1100 > ************************************************************************ > ************************************************************************ > ************************************************************************ > Windows Live™ Contacts: Organize your contact list. Check it out. |