Return-Path: Received: (qmail 505 invoked from network); 9 Apr 2001 15:11:30 -0000 Received: from unknown (HELO warrior-inbound.servers.plus.net) (212.159.14.227) by 10.226.25.101 with SMTP; 9 Apr 2001 15:11:30 -0000 Received: (qmail 3347 invoked from network); 9 Apr 2001 15:11:23 -0000 Content-Transfer-Encoding: 8bit Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior with SMTP; 9 Apr 2001 15:11:23 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 14mdBe-0000oh-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 09 Apr 2001 16:02:38 +0100 Received: from mail.cc.kuleuven.ac.be ([134.58.10.6]) by post.thorcom.com with esmtp (Exim 3.16 #2) id 14mdBa-0000oc-00 for rsgb_lf_group@blacksheep.org; Mon, 09 Apr 2001 16:02:35 +0100 Received: from LCBD15.fys.kuleuven.ac.be (LCBD15.fys.kuleuven.ac.be [134.58.80.15]) by mail.cc.kuleuven.ac.be (8.9.3/8.9.0) with SMTP id RAA242126 for ; Mon, 9 Apr 2001 17:02:09 +0200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Message-ID: <3.0.1.16.20010409160341.5a776cde@mail.cc.kuleuven.ac.be> X-Sender: pb623250@mail.cc.kuleuven.ac.be X-Mailer: Windows Eudora Pro Version 3.0.1 (16) Date: Mon, 09 Apr 2001 16:03:41 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" Subject: Re: LF: LF Antennas In-reply-to: <3AD1CF30.6786.1365B96@localhost> References: <3.0.1.16.20010409105259.2dcf3d4e@mail.cc.kuleuven.ac.be> <3AD184E8.16011.1431BD@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hi Mike, Have a look at : http://www.wireless.org.uk/dk5pt-f.htm It shows a very small loading coil (using a pot core) made by DK5PT. 73, Rik ON7YD >Just to clarify, the problem I am trying to fix is to get the lowest loss 7mH >coil on top of the mast with minimum visual impact. I am already doing this >with a lot of wire on a drain pipe, but at the expense of resistive loss. My >Litz coil (with thicker wire) is the same physical size, much lower loss but >half the inductance.