Return-Path: Received: from mtain-da12.r1000.mx.aol.com (mtain-da12.r1000.mx.aol.com [172.29.64.84]) by air-db10.mail.aol.com (v128.3) with ESMTP id MAILINDB103-864c4bd172ce1ac; Fri, 23 Apr 2010 06:13:34 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-da12.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5F6FB3800008F; Fri, 23 Apr 2010 06:13:33 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O5Fri-000549-Ku for rs_out_1@blacksheep.org; Fri, 23 Apr 2010 11:12:06 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O5Fri-000540-AP for rsgb_lf_group@blacksheep.org; Fri, 23 Apr 2010 11:12:06 +0100 Received: from smtp.qtxt.dns-iol.com ([195.200.78.13]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O5FqU-0007Up-Mv for rsgb_lf_group@blacksheep.org; Fri, 23 Apr 2010 11:11:59 +0100 Received: (qmail 3325 invoked by uid 507); 23 Apr 2010 12:10:18 +0200 Received: from unknown (HELO JR) (john.rabson@numeo.fr@217.67.155.178) by smtp.qtxt.dns-iol.com with SMTP; 23 Apr 2010 12:10:18 +0200 Message-ID: <201004231210230665.14F4ED24@smtp2.numeo.fr> References: <201004211156340575.0A9B82A7@smtp2.numeo.fr> X-Mailer: Courier 3.50.00.09.1098 (http://www.rosecitysoftware.com) (P) Date: Fri, 23 Apr 2010 12:10:23 +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: LF: Resistance of Ground-Electrode Arrays Content-Type: text/plain; charset="us-ascii" 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: 3039ac1d40544bd172cd57b0 X-AOL-IP: 193.82.116.20 David Gibson has granted permission for me to post his article here and I= am preparing a document (probably PDF - what is PDA/A-a format please?).= =20 73 John F5VLF