Return-Path: Received: from mtain-mh07.r1000.mx.aol.com (mtain-mh07.r1000.mx.aol.com [172.29.96.219]) by air-di08.mail.aol.com (v127_r1.1) with ESMTP id MAILINDI083-eb684b96802028a; Tue, 09 Mar 2010 12:06:40 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mh07.r1000.mx.aol.com (Internet Inbound) with ESMTP id E3D6738000301; Tue, 9 Mar 2010 12:06:36 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Np2sE-0005m7-SB for rs_out_1@blacksheep.org; Tue, 09 Mar 2010 17:05:38 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Np2sE-0005ly-GW for rsgb_lf_group@blacksheep.org; Tue, 09 Mar 2010 17:05:38 +0000 Received: from mailout-us.gmx.com ([74.208.5.67]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1Np2sB-000453-Lh for rsgb_lf_group@blacksheep.org; Tue, 09 Mar 2010 17:05:38 +0000 Received: (qmail invoked by alias); 09 Mar 2010 17:05:28 -0000 Received: from adsl-69-215-57-89.dsl.sbndin.ameritech.net (EHLO [192.168.0.156]) [69.215.57.89] by mail.gmx.com (mp-us001) with SMTP; 09 Mar 2010 12:05:28 -0500 X-Authenticated: #60769621 X-Provags-ID: V01U2FsdGVkX1/HuoAxlyvHCk0c84oLztDsqIQBE4Kk4moi/pFuAb Ho+EPRybmuj9Sm Message-ID: <4B967FD7.3080102@gmx.com> Date: Tue, 09 Mar 2010 11:05:27 -0600 From: "Mike.WE0H" User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: In-Reply-To: X-Y-GMX-Trusted: 0 X-FuHaFi: 0.56000000000000005 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: VLF: yet another kite-ant design Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60db4b96801c02fc X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) That's the solution for those fellows with tall towers... One big TX loop, mad power...hi hi Where do we buy those balloons??? Mike WE0H/8 Alexander S. Y wrote: > Dear LF, > > let's describe yet another kite-ant design for 9 kHz. Let it be trianle > loop elevated by a kite up to 100m. Base of triangle (parallel to earth) > assumed as 200m, height -- 100m, wire -- 2mm diameter cupper wire. Then DC > resistance is 2.8 Ohm. There is some skin-effect (not strong) with such a > wire. This is why let's increase resistance to 5 Ohm. With such an ANT one > should supplay ABT 18A into loop to radiate 1 mW on 9 kHz. This yelds 1.5 > kW of TX PWR -- not too much. Advanance is that there is no very high > voltage with such an antenna and huge coil is needless (but condensor > should be used). By the way similar ANT easy can get RU6LA without a > kite:-) Are you there, Ed? > > Regards, > Alexander/RA9MB