Return-Path: Received: from mtain-mi10.r1000.mx.aol.com (mtain-mi10.r1000.mail.aol.com [172.21.131.168]) by air-mc01.mail.aol.com (v128.3) with ESMTP id MAILINMC014-a8ce4bccb55439b; Mon, 19 Apr 2010 15:56:04 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mi10.r1000.mx.aol.com (Internet Inbound) with ESMTP id B16AD380000C8; Mon, 19 Apr 2010 15:56:02 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O3x3M-0007kc-II for rs_out_1@blacksheep.org; Mon, 19 Apr 2010 20:54:44 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O3x3M-0007kT-3s for rsgb_lf_group@blacksheep.org; Mon, 19 Apr 2010 20:54:44 +0100 Received: from mailout-us.gmx.com ([74.208.5.67]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1O3x3K-0004gf-85 for rsgb_lf_group@blacksheep.org; Mon, 19 Apr 2010 20:54:44 +0100 Received: (qmail invoked by alias); 19 Apr 2010 19:54:34 -0000 Received: from 75-168-150-7.mpls.qwest.net (EHLO [192.168.1.100]) [75.168.150.7] by mail.gmx.com (mp-us004) with SMTP; 19 Apr 2010 15:54:34 -0400 X-Authenticated: #60769621 X-Provags-ID: V01U2FsdGVkX1+5kZcKobS58YdyHVw/Mgrjslc6RmmIbaKkPHC+K+ I/OP4YiWYZG5dP Message-ID: <4BCCB4F0.7070508@gmx.com> Date: Mon, 19 Apr 2010 14:54:24 -0500 From: "Mike.WE0H" User-Agent: Thunderbird 2.0.0.24 (X11/20100317) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <1271686773.15779.9.camel@pat-compaq-evo> In-Reply-To: <1271686773.15779.9.camel@pat-compaq-evo> X-Y-GMX-Trusted: 0 X-FuHaFi: 0.66000000000000003 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Earth systems Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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-sid: 3039400cded24bccb552345a X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) I bury scrap metal in my yard all the time. Does it help? I don't know, but it is metal which should be a better conductor for RF than my sand is in my yard...hi hi Mike WE0H g4gvw wrote: > Hi All, > > I can't remember who it was told me years ago but I have always > considered it good practice to bond any substantial conductors (apart > from those carrying power or signals) to my RF ground. This has included > fence wires, unconnected pipework, guttering etc. Until recent times I > have also thought it more worthwhile from an amateur radio point of view > to bond and bury scrap copper piping from DIY plumbing projects rather > than to seek the scrap metal value - this philosophy may have to change! > > 73