Return-Path: Received: (qmail 79713 invoked from network); 22 Jul 2004 21:04:39 -0000 Received: from unknown (HELO ptb-spamcore02.plus.net) (192.168.71.3) by ptb-mailstore02.plus.net with SMTP; 22 Jul 2004 21:04:39 -0000 Received: from mailnull by ptb-spamcore02.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1Bnkkb-000Czl-Qx for dave@picks.force9.co.uk; Thu, 22 Jul 2004 22:05:14 +0100 Received: from [192.168.67.1] (helo=ptb-mxcore01.plus.net) by ptb-spamcore02.plus.net with esmtp (Exim 4.32; FreeBSD) id 1Bnkkb-000CzX-Oi for dave@picks.force9.co.uk; Thu, 22 Jul 2004 22:05:13 +0100 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1Bnkk0-0008vn-LI for dave@picks.force9.co.uk; Thu, 22 Jul 2004 21:04:36 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Bnkip-0000ZL-4A for rs_out_1@blacksheep.org; Thu, 22 Jul 2004 22:03:23 +0100 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Bnkio-0000ZC-ML for rsgb_lf_group@blacksheep.org; Thu, 22 Jul 2004 22:03:22 +0100 Received: from ms.genesiswireless.us ([63.171.43.8] helo=ms.genesis-technology.com) by relay.thorcom.net with esmtp (Exim 4.34) id 1Bnkik-0003sK-TF for rsgb_lf_group@blacksheep.org; Thu, 22 Jul 2004 22:03:22 +0100 Received: from genesiswireless.us (rev-65.165.20.192.genesiswireless.us [65.165.20.192]) by ms.genesis-technology.com (8.12.9/8.12.9) with ESMTP id i6ML2qjt005410 for ; Thu, 22 Jul 2004 16:03:03 -0500 Message-ID: <41002C1A.30101@genesiswireless.us> Date: Thu, 22 Jul 2004 16:05:30 -0500 From: WE0H Mike User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <20040720.160155.2448.1.riese-k3djc@juno.com> <002b01c46f44$8eeef220$bce4fc3e@l8p8y6> In-Reply-To: <002b01c46f44$8eeef220$bce4fc3e@l8p8y6> X-Scanned-By: MIMEDefang 2.36 X-Spam-Score: 1.0 (+) X-Spam-Report: autolearn=no,HTML_40_50=0.474,HTML_MESSAGE=0.001,HTML_TITLE_EMPTY=0.544 Subject: Re: LF: Loops v Verticals Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.0 required=5.0 tests=HTML_40_50,HTML_MESSAGE, HTML_TITLE_EMPTY 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-Spam-Filtered: by PlusNet SpamCORE (v3.00) Content-transfer-encoding: 8bit No YOU want coverage in all directions. All antennas have disadvantages. Chill out Mal. Prozaq does wonders for symtoms like this. LOL!!!

Later,
Mike
WE0H

hamilton mal wrote:
 
----- Original Message -----
Sent: Tuesday, July 20, 2004 9:00 PM
Subject: Re: LF: Loops v Verticals

Hmmmm
 
broadcasters want omni coverage so a loop
really wouldnt work in this application
 
Not true. Broadcast stns located in coastal areas do not waste energy beaming out to sea. Likewise the old marine coastal stations working ships at sea tried to direct the RF seawards and not inland.
I never did see any LOOP antennas at these installations.
Loops do have the disadvantage of being bi-directional and not what a radio amateur wants. On LF we want coverage in all directions.
G3KEV
 
 
however for Amateur work they would appear to work
quite well,, The proof is in the pudding where a TX at
1 watt input provides good coverage,,,  if it weren't for TX loops
folk with small lots and shade trees ,,,LF activity would certainly suffer
 
But verticals do work after a fashion
 
HAR
 
Bob  K3DJC
 
 
 
 
 
On Tue, 20 Jul 2004 02:26:21 +0100 "hamilton mal" <g3kev.ham@virgin.net> writes:
For those that do not know. Research around Europe has shown that VERTICALS are the only antennas suitable for Transmitting on LF. Loops are fine for Receiving, little or large but the bigger the better. Who has ever heard of a LF broadcasting station using loops for TX.  
73 de G3KEV