Return-Path: Received: (qmail 8242 invoked from network); 22 Jul 1999 10:08:30 +0100 Received: from magnus.plus.net.uk (HELO magnus.force9.net) (195.166.128.27) by guiness.force9.net with SMTP; 22 Jul 1999 10:08:30 +0100 Received: (qmail 18553 invoked from network); 22 Jul 1999 09:10:47 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by magnus.plus.net.uk with SMTP; 22 Jul 1999 09:10:47 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 117Egf-0001Lm-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 22 Jul 1999 09:58:45 +0100 Received: from mserv1b.u-net.net ([195.102.240.137]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 117Ege-0001Lh-00 for rsgb_lf_group@blacksheep.org; Thu, 22 Jul 1999 09:58:44 +0100 X-Priority: 3 X-MSMail-Priority: Normal Received: from rsgb.u-net.com ([195.102.80.225] helo=rsgb.org.uk) by mserv1b.u-net.net with smtp (Exim 2.10 #61) id 117Eff-0003uI-00 for rsgb_lf_group@blacksheep.org; Thu, 22 Jul 1999 09:57:43 +0100 Received: from miked.rsgbhq [192.168.2.30] by rsgb.org.uk [192.168.2.132] with SMTP (MDaemon.v2.7.SP5.R) for ; Thu, 22 Jul 1999 09:40:17 +0100 From: "Mike Dennison" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Organization: Radio Society of Great Britain To: rsgb_lf_group@blacksheep.org Date: Thu, 22 Jul 1999 09:42:30 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: LF: De-tuned antenna In-reply-to: <379690E9.EBAA9D13@netins.net> X-Mailer: Pegasus Mail for Win32 (v3.01d) X-MDaemon-Deliver-To: rsgb_lf_group@blacksheep.org X-Return-Path: miked@mail.rsgbhq Message-ID: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org Sender: K0HTF wrote: > I have a 1 watt beacon operating on 175 KHz. and will be putting up > a new antenna this autumn. My efforts must be modest since our lot is a > rather conventional 50 X 150'. This is not very modest by UK standards. My garden is 35 x 90' and I can still put up a useful antenna for 136kHz. It requires some ingenuity - I am using a loading coil at the top of the mast, for instance - but I am not the only G to put out an LF signal from a small garden. The real secret is height - if you get to 50 feet plus it will work well. Mike, G3XDV (IO91VT) http://www.dennison.demon.co.uk/activity.htm