Return-Path: Received: (qmail 19899 invoked from network); 3 Dec 2001 10:06:35 -0000 Received: from unknown (HELO murphys-inbound.services.quay.plus.net) (212.159.14.225) by excalibur.plus.net with SMTP; 3 Dec 2001 10:06:35 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: (qmail 2581 invoked from network); 3 Dec 2001 10:06:30 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys.services.quay.plus.net with SMTP; 3 Dec 2001 10:06:30 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 16Apvn-00051Q-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 03 Dec 2001 10:02:35 +0000 Received: from ewey-rwcmta.excite.com ([198.3.99.191] helo=ewey.excite.com) by post.thorcom.com with esmtp (Exim 3.33 #2) id 16Apvl-00051E-00 for rsgb_lf_group@blacksheep.org; Mon, 03 Dec 2001 10:02:34 +0000 Received: from goatee.excite.com ([199.172.157.31]) by ewey.excite.com (InterMail vM.4.01.02.39 201-229-119-122) with ESMTP id <20011203100116.BPWY27114.ewey.excite.com@goatee.excite.com> for ; Mon, 3 Dec 2001 02:01:16 -0800 Message-ID: <2404937.1007373676893.JavaMail.imail@goatee.excite.com> Date: Mon, 3 Dec 2001 02:01:12 -0800 (PST) From: "john sexton" To: rsgb_lf_group@blacksheep.org Subject: Re: LF: ZL6QH Tests MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Sender-Ip: 213.104.153.73 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hi Wolf, The observation that noise from a loop increases in the presence of another antenna such as a vertical increases has been discussed before on the reflector, (presumably coupling of noise picked up by the vertical) but the effect on the bearing of the null is new and at first sight surprising (especially the magnitude). I have not seen this discussed before on the reflector, but then again there are antennas which combine a vertical and a loop to produce special effects, so perhaps it is predictable. 73, John, G4CNN _______________________________________________________ http://inbox.excite.com