Return-Path: Received: (qmail 54557 invoked from network); 21 Apr 2004 20:02:30 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 21 Apr 2004 20:02:30 -0000 Received: (qmail 22813 invoked from network); 21 Apr 2004 20:02:30 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 21 Apr 2004 20:02:28 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1BGNvP-0005Tn-UZ for dave@picks.force9.co.uk; Wed, 21 Apr 2004 20:02:28 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1BGNua-0002Cs-G0 for rs_out_1@blacksheep.org; Wed, 21 Apr 2004 21:01:36 +0100 Received: from [213.232.95.59] (helo=relay.salmark.net) by post.thorcom.com with esmtp (Exim 4.14) id 1BGNuZ-0002Cj-U2 for rsgb_lf_group@blacksheep.org; Wed, 21 Apr 2004 21:01:36 +0100 Received: from outmx012.isp.belgacom.be ([195.238.3.70]) by relay.salmark.net with esmtp (Exim 4.24) id 1BGNuW-0000ok-KV for rsgb_lf_group@blacksheep.org; Wed, 21 Apr 2004 21:01:32 +0100 X-Fake-Domain: mh70i Received: from mh70i (149.178-4-62.powered-by.skynet.be [62.4.178.149]) by outmx012.isp.belgacom.be (8.12.9/8.12.9/Skynet-OUT-2.21) with SMTP id i3LK1REV005121 for ; Wed, 21 Apr 2004 22:01:28 +0200 (envelope-from ) X-Bad-Message-ID: no DNS (mh70i) Message-ID: <000901c427db$78c95cc0$95b2043e@mh70i> From: "DE BONDT WERNER" To: rsgb_lf_group@blacksheep.org References: <002601c4270f$6559e780$2102000a@ibm> Date: Wed, 21 Apr 2004 22:01:43 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 X-RAVMilter-Version: 8.4.3(snapshot 20030212) (outmx012.isp.belgacom.be) X-Spam-Score: 1.2 (+) X-Spam-Report: MAILTO_TO_SPAM_ADDR=1.052,RCVD_IN_SORBS=0.1 Subject: LF: Re: station status+antenna question Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=MAILTO_TO_SPAM_ADDR 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-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hello Dick I have good results with my vert antenna and insulators at 12 meters high, the top load is a 13 meter cylinder 1.5 meter diameter made from galvanised wire cap is abt 350 pf Look at the gallery of G3YXM to see the antenna Best 73 to all Werner ON6ND ----- Original Message ----- From: Dick To: Sent: Tuesday, April 20, 2004 9:40 PM Subject: LF: station status+antenna question > Hello all! > > I just finished and tested the powersupply that should power > my 136kHz station. > > 50V/16Amp continue without any problem. > > That 16Amp is the point where I set the current protection, > but the transformer is a 1000VA type....... > > Most transmitter components are here, but waiting for just a few > difficult parts. > > Meanwhile I'm thinking of what kind of antenna I will use. > > I am planning to take down all my VHF-antennas from my old tower, > and extend the tower up to 20 meters. > The tower is ungrounded, but it does stands in concrete. > I want to put up some kind of isolated toploading with 'pancake-coil' > and some short wires (like EI0CF did in the past), and then feed > this by a single thick wire, well isolated and some meters away of the > tower. > This sounds nice, but I have really no idea what influence the metal > tower will have on the performance. > It isn't directly grounded, but I suppose there will be some leakage in the > concrete. > > Anyone with experience on this around? > > 73, Dick, pa4vhf > > >