Peter,I almost forgot, I did get the omni dirrectional mode to work...seems that by combining the second set of positive wires onto a terminal and joining them together alowed the signal to somhow back feed into the hydrophone. All you ever got was omni mode. By installing simple switches(5) between each of the hydrophone contacts on the terminal, you can select and turn off the omnimode of operation or allow for constant monitoring of a set dirrection (forward, reverse, port or starboard) while still maintaining trainabilty to the uneffected hydrophones.
David Bartsch
From: "Peter Madsen" <peter@submarines.dk> Reply-To: personal_submersibles@psubs.org To: <personal_submersibles@psubs.org> Subject: Re: [PSUBS-MAILIST] Passive sonar Date: Mon, 17 Sep 2007 16:13:18 +0200That´s a technicality - question is if you are capeble of telling in what direction a surface contact is, and with what accuracy...Regards, Peter----- Original Message ----- From: "David Bartsch" <dbartsch2236@hotmail.com>To: <personal_submersibles@psubs.org> Sent: Monday, September 17, 2007 2:15 PM Subject: Re: [PSUBS-MAILIST] Passive sonarPeter,Stephen Pearce is working on an upgrade to the hydrophones...It is only good now to 40 FSW! He tested it in a pressure tank and it started flooding at 18psi. Good to know thow.David BartschFrom: "Peter Madsen" <peter@submarines.dk> Reply-To: personal_submersibles@psubs.org To: <personal_submersibles@psubs.org> Subject: Re: [PSUBS-MAILIST] Passive sonar Date: Mon, 17 Sep 2007 09:35:51 +0200 Hi, I really hope for your sucses ! Peter Madsen / UC-3 Nautilus----- Original Message ----- From: "David Bartsch" <dbartsch2236@hotmail.com>To: <personal_submersibles@psubs.org> Sent: Monday, September 17, 2007 5:57 AM Subject: [PSUBS-MAILIST] Passive sonarPSUBS,The passive sonar I have been working on for so long is completed! The omni dirrectional mode was ommitted as problems existed with this mode on initiall installation. Testing aboard a small pleasure craft will be conducted during the Spring of 2008. Although trainable search mode is operational, I must determine the exact cone of geographical coverage of each hydrophone so as to avoid "gaps" of contact detections between hydrophones. In shop testing proved very good with the selected hydrophones "active" once selected. The premp/amp console has "extra" jack inputs for cavitation and other own ship noise monitoring purposes.We are on our way! 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