Return-Path: Received: from rly-ma01.mx.aol.com (rly-ma01.mail.aol.com [172.20.116.44]) by air-ma01.mail.aol.com (v121.4) with ESMTP id MAILINMA011-88b4795fbd42cb; Tue, 22 Jan 2008 09:21:23 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-ma01.mx.aol.com (v121.4) with ESMTP id MAILRELAYINMA015-88b4795fbd42cb; Tue, 22 Jan 2008 09:21:10 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1JHJzV-0005fa-Nr for rs_out_1@blacksheep.org; Tue, 22 Jan 2008 14:20:41 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1JHJzV-0005fR-AN for rsgb_lf_group@blacksheep.org; Tue, 22 Jan 2008 14:20:41 +0000 Received: from smtp109.plus.mail.mud.yahoo.com ([68.142.206.242]) by relay3.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1JHJzU-0008BQ-Sw for rsgb_lf_group@blacksheep.org; Tue, 22 Jan 2008 14:20:41 +0000 Received: (qmail 93629 invoked from network); 22 Jan 2008 14:19:19 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:Date:From:User-Agent:MIME-Version:To:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=gWU1gemFJJG0wQx7j5sRLgdi52kk5pBrGlmB6a2YcP1Ld1SGd3l6bjeSYJAWpbB1dpRyen8YNazRAKdtmw+IvMJDaIrpIHRZh7Lwc6do6kpIm9NQmkKZVRrVXY1esDwzP2Euct/CmbZKZl1K+EiJ0fkyXVye/33BI1rjCe2vNVk= ; Received: from unknown (HELO ?192.168.1.105?) (we0h@75.168.145.19 with plain) by smtp109.plus.mail.mud.yahoo.com with SMTP; 22 Jan 2008 14:19:19 -0000 X-YMail-OSG: z2UCAaIVM1k3oPtM04p1XB4bheRdM5CKeWCj9q9CV7M293NSWYWPVaajADwxx2sOEW33fvt2bg-- X-Yahoo-Newman-Property: ymail-3 Message-ID: <4795FB87.1060805@yahoo.com> Date: Tue, 22 Jan 2008 08:19:51 -0600 From: Mike WE0H User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <000501c85c3d$4fa2f820$0b01a8c0@weazle> <20080122135712.5D7C8F3862@smtps02.kuleuven.be> In-Reply-To: <20080122135712.5D7C8F3862@smtps02.kuleuven.be> DomainKey-Status: good (testing) Subject: Re: LF: Fenceline longwire 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=2.4 required=5.0 tests=OPT_HEADER 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-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_helo : n X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : n X-Mailer: Unknown (No Version) What if JB put a big loading coil in the fence wire? I would think that would work just like our loaded short verticals...Sure there would be losses but we have losses in our transmitting antennas also. Mike WE0H Rik Strobbe wrote: > J.B. , > > I simulated the fence wire with MMANA. > On HF (80m, 40m) I got the expected (bi)directivity and low offset > angle. > But on 500kHz the horizontal pattern is almost omnidirectional and the > offset angle is 78 degrees. > It seems that (at least in theory) even 1200 foot is too short to be > long on 500kHz ... > Or does MMANA not work properly ? > > 73, Rik ON7YD