Return-Path: Received: (qmail 3575 invoked from network); 20 Jun 2001 08:36:12 -0000 Received: from unknown (HELO warrior-inbound.servers.plus.net) (212.159.14.227) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 20 Jun 2001 08:36:12 -0000 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit Received: (qmail 4567 invoked from network); 20 Jun 2001 08:36:02 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior with SMTP; 20 Jun 2001 08:36:02 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 15CdMl-0004P2-00 for rsgb_lf_group-outgoing@blacksheep.org; Wed, 20 Jun 2001 09:29:35 +0100 Received: from tele-post-20.mail.demon.net ([194.217.242.20]) by post.thorcom.com with esmtp (Exim 3.16 #2) id 15CdMj-0004Os-00 for rsgb_lf_group@blacksheep.org; Wed, 20 Jun 2001 09:29:34 +0100 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from telemetry.demon.co.uk ([194.222.19.114]) by tele-post-20.mail.demon.net with smtp (Exim 2.12 #2) id 15CdM4-0006ys-0K for rsgb_lf_group@blacksheep.org; Wed, 20 Jun 2001 08:28:52 +0000 Message-ID: <$HlFkHAs8EM7Mwi9@telemetry.demon.co.uk> Date: Wed, 20 Jun 2001 08:22:20 +0100 To: rsgb_lf_group@blacksheep.org From: "Tom Boucher" Subject: Re: LF: 73kHz beacon/antenna problems In-reply-to: MIME-Version: 1.0 X-Mailer: Turnpike Version 3.03a Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Jim, M0BMU wrote: > After lots of >experimentation I ended up with only 75% of the original amount of >wire I had in the air, but with about twice the original ERP for the >same TX power. How do you know this Jim? By far field measurements? Surely there can be no computer programme clever enough to take into account all the factors you mention like leaves on trees, building proximity etc. 73, Tom G3OLB