Return-Path: Received: (qmail 29368 invoked from network); 20 Jun 2001 00:15:58 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 20 Jun 2001 00:15:58 -0000 Received: (qmail 25688 invoked from network); 20 Jun 2001 00:15:44 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 20 Jun 2001 00:15:44 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 15CVZV-0000QH-00 for rsgb_lf_group-outgoing@blacksheep.org; Wed, 20 Jun 2001 01:10:13 +0100 X-Priority: 3 X-MSMail-Priority: Normal Received: from mailout02.sul.t-online.com ([194.25.134.17] helo=mailout02.sul.t-online.de) by post.thorcom.com with esmtp (Exim 3.16 #2) id 15CVZU-0000QC-00 for rsgb_lf_group@blacksheep.org; Wed, 20 Jun 2001 01:10:12 +0100 Received: from fwd07.sul.t-online.de by mailout02.sul.t-online.de with smtp id 15CVYq-00026A-00; Wed, 20 Jun 2001 02:09:32 +0200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from (0482183881-0001@[62.226.237.7]) by fwd07.sul.t-online.com with smtp id 15CVYp-0Pc1RIC; Wed, 20 Jun 2001 02:09:31 +0200 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: <000f01c0f8a6$b6efc3c0$f57674d5@w8k3f0> Subject: Re: LF: Protection against lightning X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Date: Wed, 20 Jun 2001 02:09:31 +0200 Message-ID: <15CVYp-0Pc1RIC@fwd07.sul.t-online.com> X-Sender: 0482183881-0001@t-dialin.net Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Dick Rollema schrieb: > To All from PA0SE > > Tom, G3OLB, wrote: > > >I suppose a better idea would be > > to get into the habit of grounding the antenna when I leave the shack! > > When not in the shack I leave the aerial floating in the hope that it will > be charged to the voltage potential of its surrounding so that lightning > won't "see" it. > Or is that a misconception? > > When grounded it could act as a lightning conductor and it certainly can't > stand up to a stroke without causing heavy damage. > > 73, Dick, PA0SE > > > Hi Dick es all, I`m 30 years on the "wireless" - job. I never grounded lw - antennas, neither short ones nor long ones (400m straight or 1600m rhomboid). "after operation you have to disconnect lws (incl wire dipoles) from all equipments but never ground them" was an order of my father. that makes an other plus 30 years of experience. the vicinity of the end of the wire (feeder) must be free of objects for one metre. the sense was, ungrounded antennas (litze) never go down in conductivity. but if there are children or laymens (xyl) arround you have to ground them! regards Uwe/dj8wx