Return-Path: Received: from mtain-di01.r1000.mx.aol.com (mtain-di01.r1000.mx.aol.com [172.29.64.5]) by air-me09.mail.aol.com (v128.3) with ESMTP id MAILINME091-8bc04bcc79f236; Mon, 19 Apr 2010 11:42:42 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di01.r1000.mx.aol.com (Internet Inbound) with ESMTP id A86A5380000F4; Mon, 19 Apr 2010 11:42:38 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O3t66-0006fz-BZ for rs_out_1@blacksheep.org; Mon, 19 Apr 2010 16:41:18 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O3t65-0006fq-TO for rsgb_lf_group@blacksheep.org; Mon, 19 Apr 2010 16:41:17 +0100 Received: from smtp820.mail.ukl.yahoo.com ([217.12.12.249]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1O3t63-0003CS-7q for rsgb_lf_group@blacksheep.org; Mon, 19 Apr 2010 16:41:17 +0100 Received: (qmail 67727 invoked from network); 19 Apr 2010 15:41:09 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=DKIM-Signature:Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-Antivirus:X-Antivirus-Status; b=hytnsCxAIItCGygVamnEb6aSkXxjyQ3Jq47dh71uI21tJ8DTSziU6dKkEfy+1Y2w0RhPFJ7OHLu8xN7WDMEJq2v7FXMFKZFVIpFRPdDwDlqFTluePVq2an6e/SfCAJ8iUqBVKTGm033w4gvP40IgmSAdsgQ30D4nukvS3tflB6I= ; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=s1024; t=1271691669; bh=myTzZNg26NVGRdYZmHUDmvZPJn+de7EymeDJuQs7hqQ=; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-Antivirus:X-Antivirus-Status; b=khg8Bhhnc9NnuL1Fq5PFZaNK5sOMbiAiCsbt9JiaMaWA2GJDAfbl3NQiaUr1sbk7Ohxel+f1fi/TnmuMqpoDbVh3OmErofwiyUGyVnMC1qynB8JFacJaVYV9rfU+lU81FaduIH2LpMRLOtL6NbeZNSR2jVdQAJv4V3UWQPCk4WA= Received: from lark (alan.melia@86.171.165.224 with login) by smtp820.mail.ukl.yahoo.com with SMTP; 19 Apr 2010 15:41:09 +0000 GMT X-Yahoo-SMTP: fpz.2VeswBBs59bVshRPmMN51lcO2lgFRIvE4XTqE8dRwOxd70E- X-YMail-OSG: BioZcCEVM1kslTui_VWQm37b68QgDiF7uzOcy1nykdwE_oG3.RDfxrdpjtoSyR4IZJVvy3wyplIXZMEw967aB7.oJOYqxKiStY7YCfI7sYduWWh9eCXVZFtAaOrTT6NvJRHMBfuIIAST5udlECNv2vgnWm13zCI7XRZY3KZwAynWMUdoWJ7jgWFo.9Jn9sKYsdKG4LWCr9rkUjwO0dgHVdd3PJ54E2yRHcj1VpGIY3gdrdoShQdA0b_OT3TAINb1DDxuAYLJuHufPUWw3vh8p7LieDTzfg-- X-Yahoo-Newman-Property: ymail-3 Message-ID: <001201cadfd6$bd6579e0$4001a8c0@lark> From: "Alan Melia" To: References: <681228559-1271689925-cardhu_decombobulator_blackberry.rim.net-1565535176-@bda171.bisx.prod.on.blackberry> Date: Mon, 19 Apr 2010 16:38:53 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1983 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1983 X-Antivirus: avast! (VPS 100419-0, 19/04/2010), Outbound message X-Antivirus-Status: Clean DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,UNPARSEABLE_RELAY=0.001 Subject: Re: LF: EARTH Content-Type: text/plain; charset="iso-8859-1" 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d238.2 ; domain : btinternet.com DKIM : pass x-aol-sid: 3039ac1d40054bcc79ee05fd X-AOL-IP: 193.82.116.20 Hi Mike only if the silver plating is thicker than the skin depth !! At 9kHz this may require solid silver wire :-)) Alan G3NYK ----- Original Message ----- From: "WE0H-Mike" To: Sent: Monday, April 19, 2010 4:15 PM Subject: Re: LF: EARTH > I run 11,100 feet of radials for my HF and 600m antennas. It works great but I have lots of wire and lots of time to put them in the ground...hi hi > > As Mal said, using a good antenna and a few radials will work good. Use a poor antenna and many radials and expect a compromise performance. > > I have been finding that using silver plated Teflon insulated wire for my antennas and any coils, that my antennas seem to radiate well. I think the silver plating has a lower A/C resistance than copper which lowers the wire losses. > > Mike > WE0H > WD2XSH/16 > > > > > > > > Mobile on my BlackBerry >