Return-Path: Received: (qmail 10002 invoked from network); 12 Feb 2001 09:01:25 -0000 Received: from unknown (HELO warrior-inbound.servers.plus.net) (212.159.14.227) by extortion.plus.net with SMTP; 12 Feb 2001 09:01:25 -0000 Received: (qmail 1629 invoked from network); 12 Feb 2001 09:04:22 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior with SMTP; 12 Feb 2001 09:04:22 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #1) id 14SEol-0002ok-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 12 Feb 2001 08:58:43 +0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from hose.mail.pipex.net ([158.43.128.58]) by post.thorcom.com with smtp (Exim 3.16 #1) id 14SEok-0002of-00 for rsgb_lf_group@blacksheep.org; Mon, 12 Feb 2001 08:58:42 +0000 Received: (qmail 14154 invoked from network); 12 Feb 2001 08:58:26 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from usercc59.uk.uudial.com (62.188.151.71) by smtp-4.dial.pipex.com with SMTP; 12 Feb 2001 08:58:26 -0000 From: "Nick" To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Very large adaptive rx array Date: Mon, 12 Feb 2001 08:57:19 +0000 Message-ID: References: <94.ffdecc5.27b8a16f@aol.com> In-reply-to: X-Mailer: Forte Agent 1.8/32.548 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: On Mon, 12 Feb 2001 09:18:04 +0200, you wrote: > for something? > >It might be a good idea to check what the radio astronomers have done >during the last decades and hopefully some good ideas could be found >that could now be implemented using low cost generally available >hardware and software (which is an absolute requirement for any >coordinated effort between several hams :-). Looking at submarine sonar techniques and producing an analogue for radio would also be very useful. Beam steering from an array of broad beam width transducers and digging into the noise are both commonly done. Nick