Return-Path: Received: (qmail 9693 invoked from network); 1 Oct 2001 08:43:16 -0000 Received: from unknown (HELO murphys-inbound.services.quay.plus.net) (212.159.14.225) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 1 Oct 2001 08:43:16 -0000 Received: (qmail 10174 invoked from network); 1 Oct 2001 08:42:58 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 1 Oct 2001 08:42:58 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 15nya4-0000EQ-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 01 Oct 2001 09:37:40 +0100 Received: from public1.thorcom.com ([212.172.148.10] ident=root) by post.thorcom.com with esmtp (Exim 3.16 #2) id 15nya3-0000EE-00 for rsgb_lf_group@blacksheep.org; Mon, 01 Oct 2001 09:37:39 +0100 Received: from e31.co.us.ibm.com ([32.97.110.129] helo=e31.bld.us.ibm.com) by public1.thorcom.com with esmtp (Exim 3.20 #1) id 15nyWZ-0003Ma-00 for rsgb_lf_group@blacksheep.org; Mon, 01 Oct 2001 09:34:03 +0100 Received: from westrelay01.boulder.ibm.com (westrelay01.boulder.ibm.com [9.99.140.22]) by e31.bld.us.ibm.com (8.9.3/8.9.3) with ESMTP id EAA37282 for ; Mon, 1 Oct 2001 04:30:37 -0400 Received: from usa.net (ss9.bld.socks.ibm.com [9.14.4.75]) by westrelay01.boulder.ibm.com (8.11.1m3/NCO v4.97.1) with ESMTP id f918WvU143992 for ; Mon, 1 Oct 2001 02:32:58 -0600 Message-ID: <3BB82A2E.63FAEA93@usa.net> Date: Mon, 01 Oct 2001 10:32:46 +0200 From: "Alberto di Bene" X-Mailer: Mozilla 4.75 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: LF: Re: 73KHz beacon References: <3.0.1.16.20011001084908.2af76e6c@mail.cc.kuleuven.ac.be> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Rik Strobbe wrote: > [...] > The gain of a short vertical is 4.77dBi or 2.62dBd. > [...] Hi Rik and the group, maybe today I am denser than the usual, but, how can a short vertical monopole have a gain when compared to a dipole (I suppose here a lambda/2 dipole) ? I would have intuitively thought that a short vertical monopole has a loss wrt to a full size dipole. Please enlighten me, thanks. 73 Alberto I2PHD