Return-Path: Received: from mtain-mg02.r1000.mx.aol.com (mtain-mg02.r1000.mx.aol.com [172.29.96.202]) by air-ma06.mail.aol.com (v126.13) with ESMTP id MAILINMA061-b5284b4f961717; Thu, 14 Jan 2010 17:09:27 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mg02.r1000.mx.aol.com (Internet Inbound) with ESMTP id A1D75380000AD; Thu, 14 Jan 2010 17:09:24 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NVXqo-0003Jr-LX for rs_out_1@blacksheep.org; Thu, 14 Jan 2010 22:07:34 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NVXqo-0003Ji-6o for rsgb_lf_group@blacksheep.org; Thu, 14 Jan 2010 22:07:34 +0000 Received: from smtp.qtxt.dns-iol.com ([195.200.78.13]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NVXql-0008MH-Vq for rsgb_lf_group@blacksheep.org; Thu, 14 Jan 2010 22:07:34 +0000 Received: (qmail 23698 invoked by uid 507); 14 Jan 2010 23:07:07 +0100 Received: from unknown (HELO JR) (john.rabson@numeo.fr@217.67.155.178) by smtp.qtxt.dns-iol.com with SMTP; 14 Jan 2010 23:07:07 +0100 Message-ID: <201001142307210931.0963EDD2@smtp2.numeo.fr> In-Reply-To: <9afca2641001140835y165ea810w6ccf81dd884597ad@mail.gmail.com> References: <000a01ca9530$c4ee97a0$0401a8c0@xphd97xgq27nyf> <9afca2641001140835y165ea810w6ccf81dd884597ad@mail.gmail.com> X-Mailer: Courier 3.50.00.09.1098 (http://www.rosecitysoftware.com) (P) Date: Thu, 14 Jan 2010 23:07:21 +0100 From: "John RABSON" To: rsgb_lf_group@blacksheep.org Mime-Version: 1.0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: 1/2 wave 500 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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-global-disposition: G x-aol-sid: 3039ac1d60ca4b4f9614738d X-AOL-IP: 193.82.116.20 I once worked out that Grande Gr=E8ve Bay between Great Sark and Little Sa= rk could have accommodated a 3 element beam for topband, pointing NW. =20 73 John F5VLF sometime GC3PAI/A *********** REPLY SEPARATOR *********** On 14/01/2010 at 16:35 Roger Lapthorn wrote: >Mal (et al) > >Modest height 100ft? That's higher than our local church tower :-)) > >Having said that I guess in the USA there will be those for whom this is >indeed a modest height and a 300m long antenna would only take up a corne= r >of a garden. > >For other big antennas, see also the video of the monster 160m 3el beam >antenna at OH8X being rotated http://www.youtube.com/watch?v=3DXCZcjqltJV= A. >Maybe they'll soon be putting up one for 500kHz? > >Best 73s >Roger G3XBM > > >2010/1/14 mal hamilton > >> Hi >> Has anyone in the USA tried a 1/2 wave dipole on 500 K/cs? inv V design= , >at >> a modest height around 100 ft. >> de mal/g3kev >> >> >> > > > >--=20 > >http://g3xbm-qrp.blogspot.com/ >http://www.g3xbm.co.uk >http://www.youtube.com/user/G3XBM >G3XBM GQRP 1678 ISWL G11088