Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp04.r1000.mx.aol.com (Internet Inbound) with ESMTP id CB63F3800009E; Fri, 16 Dec 2011 08:28:47 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RbXpO-0003pb-NM for rs_out_1@blacksheep.org; Fri, 16 Dec 2011 13:27:58 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RbXpO-0003pS-BJ for rsgb_lf_group@blacksheep.org; Fri, 16 Dec 2011 13:27:58 +0000 Received: from out1.ip06ir2.opaltelecom.net ([62.24.128.242]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RbXpK-00017f-Lm for rsgb_lf_group@blacksheep.org; Fri, 16 Dec 2011 13:27:58 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlQBAMJG605cF/94/2dsb2JhbABEFoR2hDuRQo8bgS2BBoFtBQEBAwIIAQEDFjMCLAEBAwUCAQMRBAEBAwIFIQICFAEEGgYWCAYTCgECAgEBh2sGpn6RaIEvhzuCBIEWBIx9KQGZe3A X-IronPort-AV: E=Sophos;i="4.71,363,1320624000"; d="scan'208";a="522009575" Received: from host-92-23-255-120.as13285.net (HELO xphd97xgq27nyf) ([92.23.255.120]) by out1.ip06ir2.opaltelecom.net with SMTP; 16 Dec 2011 13:27:46 +0000 Message-ID: <003b01ccbbf6$7ea47dc0$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <5189193.1324041277063.JavaMail.root@wamui-bucket.atl.sa.earthlink.net> Date: Fri, 16 Dec 2011 13:27:44 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: RE: Wellbrook Loop Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit 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: 0:2:453503232:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1dc1484eeb478f63dc X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none It would appear there are a lot of BLOWN loops. I wonder why ? g3kev ----- Original Message ----- From: "Chris Trask" To: ; Sent: Friday, December 16, 2011 1:14 PM 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/ >