Return-Path: Received: from rly-dd02.mx.aol.com (rly-dd02.mail.aol.com [172.19.141.149]) by air-dd10.mail.aol.com (v121.4) with ESMTP id MAILINDD103-b6047a392d9166; Fri, 01 Feb 2008 16:45:13 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd02.mx.aol.com (v121.4) with ESMTP id MAILRELAYINDD022-b6047a392d9166; Fri, 01 Feb 2008 16:44:59 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1JL3gk-0001pd-GM for rs_out_1@blacksheep.org; Fri, 01 Feb 2008 21:44:46 +0000 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1JL3gj-0001pU-Pn for rsgb_lf_group@blacksheep.org; Fri, 01 Feb 2008 21:44:45 +0000 Received: from qmta10.emeryville.ca.mail.comcast.net ([76.96.30.17]) by relay2.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1JL3gd-0006XH-W1 for rsgb_lf_group@blacksheep.org; Fri, 01 Feb 2008 21:44:45 +0000 Received: from OMTA01.emeryville.ca.mail.comcast.net ([76.96.30.11]) by QMTA10.emeryville.ca.mail.comcast.net with comcast id kMRz1Y00F0EPchoAA01500; Fri, 01 Feb 2008 21:44:07 +0000 Received: from amailcenter17.comcast.net ([204.127.225.117]) by OMTA01.emeryville.ca.mail.comcast.net with comcast id kMkX1Y0052Yc4cU8M00000; Fri, 01 Feb 2008 21:44:31 +0000 X-Authority-Analysis: v=1.0 c=1 a=xYFAyArMTeIA:10 a=mRyj2wQBQbof+W+5sqkdSw==:17 a=ysiYkyE4AAAA:8 a=j2lagQt_QvwehIy-Xz0A:9 a=2bHa8hYWoTv-xRGQnf6_SBCFNl4A:4 a=SKpDKCWXRSQA:10 Received: from [65.96.210.39] by amailcenter17.comcast.net; Fri, 01 Feb 2008 21:44:30 +0000 From: k2ors@comcast.net To: rsgb_lf_group@blacksheep.org Date: Fri, 01 Feb 2008 21:44:30 +0000 Message-Id: <020120082144.938.47A392BE0008FAB4000003AA22155754749C9D01CD05@comcast.net> X-Mailer: AT&T Message Center Version 1 (Oct 30 2007) X-Authenticated-Sender: azJvcnNAY29tY2FzdC5uZXQ= X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,AWL=-0.275,NO_REAL_NAME=0.55 Subject: Re: LF: Kevlar guy rope for radiating mast ? conductive ? X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME 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-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_helo : n X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : ? Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Graham, Most kevlar rope for antenna use has an outer covering of Dacron for UV protection so it will be non conductive. However, I don't think its a good idea to guy the very top of a vertical especially if high power is in use, particularly in rainy conditions. -- 73 Warren K2ORS WD2XGJ 136-140kHz WD2XSH/23 505-510kHz WE2XEB/2 160-189kHz WE2XGR/1 505-515kHz FN42hi http://www.w4dex.com/wd2xgj.htm -------------- Original message ---------------------- From: "Graham" > Looking to replace the guy ropes on my vertical mast , the blue polyprop is > showing signs of over exposure to the sun and starting to fray > > > > I'm wondering if the 'kevlar' type of ropes would be suited, as the mast is > a radiating element ? > > > > But as far as I know, the rope conducts electrically, which would not be a > good material to have in the saturation field of the element > > > > How conductive is the 'rope' ? is it just a leakage or a full low ohm > situation ? > > > > Tnx - G .. > > >