Return-Path: X-Spam-DCC: paranoid 1233; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t8MIWZrU019675 for ; Tue, 22 Sep 2015 20:32:35 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZeSFa-0005Yx-D2 for rs_out_1@blacksheep.org; Tue, 22 Sep 2015 19:25:10 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZeSFa-0005Yo-0M for rsgb_lf_group@blacksheep.org; Tue, 22 Sep 2015 19:25:10 +0100 Received: from know-smtprelay-omc-8.server.virginmedia.net ([80.0.253.72]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1ZeSEa-00014P-OY for rsgb_lf_group@blacksheep.org; Tue, 22 Sep 2015 19:25:08 +0100 Received: from [192.168.1.6] ([86.31.33.210]) by know-smtprelay-8-imp with bizsmtp id LJPt1r00M4Y1DuW01JPt5n; Tue, 22 Sep 2015 19:23:54 +0100 X-Originating-IP: [86.31.33.210] X-Spam: 0 X-Authority: v=2.1 cv=UKUgZ3ry c=1 sm=1 tr=0 a=jn/JOh/JfiX48zzdjRLp/g==:117 a=jn/JOh/JfiX48zzdjRLp/g==:17 a=NLZqzBF-AAAA:8 a=kj9zAlcOel0A:10 a=oCcaPWc0AAAA:8 a=fEMrzUiBhdRNRSmwWvsA:9 a=CjuIK1q_8ugA:10 From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Tue, 22 Sep 2015 19:23:53 +0100 MIME-Version: 1.0 Message-ID: <5601AAC9.16444.5D0433D@mike.dennison.ntlworld.com> In-reply-to: <001301d0f2ae$fa2eb260$6401a8c0@ehnebrcdvojcgn> References: <001301d0f2ae$fa2eb260$6401a8c0@ehnebrcdvojcgn> X-mailer: Pegasus Mail for Windows (4.41) Content-description: Mail message body X-Scan-Signature: 4e3b1488273adbbe9757d6bdd5adf219 Subject: Re: LF: Ground Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 4114 Marcin, My experience is that a few earth rods work much better than electrically short radials on 136kHz. But when I operate on 160m, radials are much better than the earth rods. My soil is 1m of clay over chalk. Mike, G3XDV =========== > I'd like to design a ground for 136kHz/472kHz. I have a few hundred > metres of steel tape at my disposal for this. I'd like to find out how > deep into ground 136kHz and 472kHz respectively can go? How deep do I > have to dig the tape for 136kHz and for 472kHz, or what would suit > both frequencies? > > Thanks in advance. > 73! Marcin SQ2BXI > > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4419/10676 - Release Date: > 09/21/15 >