Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-da06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 24D61380000B5; Fri, 16 Dec 2011 10:01:04 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RbYXY-00048C-20 for rs_out_1@blacksheep.org; Fri, 16 Dec 2011 14:13:36 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RbYXX-000483-KZ for rsgb_lf_group@blacksheep.org; Fri, 16 Dec 2011 14:13:35 +0000 Received: from mail-ww0-f47.google.com ([74.125.82.47]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RbYXV-0001Zw-Fs for rsgb_lf_group@blacksheep.org; Fri, 16 Dec 2011 14:13:35 +0000 Received: by wgbdr10 with SMTP id dr10so5630131wgb.28 for ; Fri, 16 Dec 2011 06:13:28 -0800 (PST) Received: by 10.216.139.204 with SMTP id c54mr3323606wej.13.1324044808110; Fri, 16 Dec 2011 06:13:28 -0800 (PST) Received: by 10.216.139.204 with SMTP id c54mr3323603wej.13.1324044808045; Fri, 16 Dec 2011 06:13:28 -0800 (PST) Received: from Win7Pro (host81-132-147-53.range81-132.btcentralplus.com. [81.132.147.53]) by mx.google.com with ESMTPS id em4sm14694303wbb.20.2011.12.16.06.13.26 (version=SSLv3 cipher=OTHER); Fri, 16 Dec 2011 06:13:27 -0800 (PST) From: Terry GW0EZY To: References: <5189193.1324041277063.JavaMail.root@wamui-bucket.atl.sa.earthlink.net> In-Reply-To: <5189193.1324041277063.JavaMail.root@wamui-bucket.atl.sa.earthlink.net> Date: Fri, 16 Dec 2011 14:13:21 -0000 Message-ID: <004001ccbbfc$e155c8b0$a4015a10$@com> MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Acy79TSN7X/X3O1XRry5/MRe6Y3xaQAA29rw Content-Language: en-gb X-Spam-Score: 0.9 (/) X-Spam-Report: autolearn=disabled,DNS_FROM_RFC_WHOIS=0.879 Subject: RE: LF: RE: Wellbrook Loop Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:427733792:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d404e4eeb5d305e7e X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hi Chris I didn't realise you were a member of this group. Thanks for the link - = I have been studying your other paper on complementary push-pull = amplifiers for active antennas but hadn't seen your loop paper. Very helpful. 73 Terry -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Chris Trask Sent: 16 December 2011 13:15 To: rsgb_lf_group@blacksheep.org; rsgb_lf_group@blacksheep.org Subject: Re: LF: RE: Wellbrook Loop > > I am looking for a suitable circuit to use with the blown > loops (they are not completely dead but have a serious loss > of sensitivity but disassembly is certain to destroy the > loop amplifier). I suspect it's not so easy to form a 1 > metre loop with aluminium tubing so the loops can be > re-used for experiments. > > I was thinking something along these lines: > > http://www.pm.keirle.com/3_radio/hf_loop_ant/hf_loop_ant.htm > > http://www.ik4hdq.net/doc/testi/smlloop.pdf > > http://www.vlf.it/looptheo7/looptheo7.htm > > http://www.vlf.it/lowfloop/lowfloop.htm > You might want to add this to your list of suitable alternatives: http://www.home.earthlink.net/~christrask/Paper009.html Chris Trask N7ZWY / WDX3HLB Senior Member IEEE http://www.home.earthlink.net/~christrask/