Return-Path: Received: from mtain-da05.r1000.mx.aol.com (mtain-da05.r1000.mx.aol.com [172.29.64.77]) by air-dd09.mail.aol.com (v128.3) with ESMTP id MAILINDD093-865f4bc9e9a63c7; Sat, 17 Apr 2010 13:02:30 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-da05.r1000.mx.aol.com (Internet Inbound) with ESMTP id C7B05380000BB; Sat, 17 Apr 2010 13:02:28 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O3BOO-0000Av-S2 for rs_out_1@blacksheep.org; Sat, 17 Apr 2010 18:01:16 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O3BOO-0000Am-HK for rsgb_lf_group@blacksheep.org; Sat, 17 Apr 2010 18:01:16 +0100 Received: from smtp.qtxt.dns-iol.com ([195.200.78.13]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O3BOL-0002Tn-GZ for rsgb_lf_group@blacksheep.org; Sat, 17 Apr 2010 18:01:16 +0100 Received: (qmail 30673 invoked by uid 507); 17 Apr 2010 19:00:55 +0200 Received: from unknown (HELO JR) (john.rabson@numeo.fr@217.67.155.178) by smtp.qtxt.dns-iol.com with SMTP; 17 Apr 2010 19:00:55 +0200 Message-ID: <201004171901050910.0CCBE6CC@smtp2.numeo.fr> In-Reply-To: References: X-Mailer: Courier 3.50.00.09.1098 (http://www.rosecitysoftware.com) (P) Date: Sat, 17 Apr 2010 19:01:05 +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: 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: 3039ac1d404d4bc9e9a45d7a X-AOL-IP: 193.82.116.20 On 17/04/2010 at 09:53 Paul A. Cianciolo wrote: >Currently I am using 3 2 meter ground rods spaced 2 meters apart and= 1 >meter distant from the concrete basement wall of my shack. You may find this of interest. We have found at 87 kHz (cave radio freque= ncy) that you do not get the full benefit of multiple ground rods unless= they are spaced by at least twice their depth. In your case this would= need to be 2 m or more. John F5VLF