Return-Path: Received: (qmail 3779 invoked from network); 9 Mar 2000 10:39:36 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by bells.core.plus.net.uk with SMTP; 9 Mar 2000 10:39:36 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 12T0Fx-000172-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 09 Mar 2000 10:33:25 +0000 Received: from mserv1b.u-net.net ([195.102.240.137]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 12T0Fw-00016u-00 for rsgb_lf_group@blacksheep.org; Thu, 09 Mar 2000 10:33:24 +0000 Received: from rsgb.u-net.com ([195.102.80.225] helo=rsgb.org.uk) by mserv1b.u-net.net with esmtp (Exim 2.10 #63) id 12T0Ff-0005HW-00 for rsgb_lf_group@blacksheep.org; Thu, 9 Mar 2000 10:33:08 +0000 Received: from miked by rsgb.org.uk with SMTP (MDaemon.v2.8.7.0.R) for ; Thu, 09 Mar 2000 10:16:30 +0000 X-Priority: 3 X-MSMail-Priority: Normal From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Thu, 9 Mar 2000 10:16:29 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: LF: Re: LF antennas In-reply-to: <3.0.1.16.20000309110614.2c7f39fc@mail.cc.kuleuven.ac.be> References: <12613263.952543214775.JavaMail.imail@bubbles.excite.com> X-Mailer: Pegasus Mail for Win32 (v3.11) 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 X-Listname: rsgb_lf_group Sender: > Due to its directivity, a short vertical monopole has a gain of 2.6dB over > a dipole (4.77dBi versus 2.15dBi for a dipole). Careful! Surely this assumes perfect ground, doesn't it? Even at HF, I think most amateurs would prefer to use a vertical dipole than a ground-plane antenna. Mike, G3XDV (IO91VT) http://www.dennison.demon.co.uk/activity.htm