Return-Path: Received: from mtain-da11.r1000.mx.aol.com (mtain-da11.r1000.mx.aol.com [172.29.64.83]) by air-me02.mail.aol.com (v128.3) with ESMTP id MAILINME021-8ba44bcc110f2d8; Mon, 19 Apr 2010 04:15:12 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-da11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 11A5C380000AF; Mon, 19 Apr 2010 04:15:09 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O3m7D-0004Y5-I2 for rs_out_1@blacksheep.org; Mon, 19 Apr 2010 09:13:59 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O3m7D-0004Xw-0N for rsgb_lf_group@blacksheep.org; Mon, 19 Apr 2010 09:13:59 +0100 Received: from smtp.qtxt.dns-iol.com ([195.200.78.13]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O3m79-0007sz-NE for rsgb_lf_group@blacksheep.org; Mon, 19 Apr 2010 09:13:58 +0100 Received: (qmail 6000 invoked by uid 507); 19 Apr 2010 10:13:28 +0200 Received: from unknown (HELO JR) (john.rabson@numeo.fr@217.67.155.178) by smtp.qtxt.dns-iol.com with SMTP; 19 Apr 2010 10:13:28 +0200 Message-ID: <201004191013310997.1535AA81@smtp2.numeo.fr> In-Reply-To: References: X-Mailer: Courier 3.50.00.09.1098 (http://www.rosecitysoftware.com) (P) Date: Mon, 19 Apr 2010 10:13:31 +0200 From: "John RABSON" To: rsgb_lf_group@blacksheep.org Mime-Version: 1.0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Resistance of Ground-Electrode Arrays (was RE: LF: Dreamers Band update from W1VLF) Content-Type: text/plain; charset="ISO-8859-1" 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-sid: 3039ac1d40534bcc110d1e39 X-AOL-IP: 193.82.116.20 Paul, There are several short items in CREGJ on the topic of earth rods, and I= can send you a list, but the best paper I have found is the one by David= Gibson: "The Resistance of Ground-Electrode Arrays", CREGJ 29 pp26-27, Se= ptember 1997. Please let me know if you do not have ready access to this= publication. Under fair dealing provisions I can probably send you a sca= n of the article, but if we wish to make it generally available by posting= it here, there will be a copyright question to resolve. I will check wit= h the author. 73 John F5VLF