X-GM-THRID: 1246936274618842803 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.86.2.20 with SMTP id 20cs33017fgb; Fri, 7 Sep 2007 06:18:20 -0700 (PDT) Received: by 10.66.224.19 with SMTP id w19mr1328357ugg.1189171099797; Fri, 07 Sep 2007 06:18:19 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id k27si1498148ugd.2007.09.07.06.18.09; Fri, 07 Sep 2007 06:18:19 -0700 (PDT) Received-SPF: neutral (google.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=193.82.116.20; Authentication-Results: mx.google.com; spf=neutral (google.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ITdc9-0000GZ-Fn for rs_out_1@blacksheep.org; Fri, 07 Sep 2007 14:11:13 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ITdc9-0000GO-4C for rsgb_lf_group@blacksheep.org; Fri, 07 Sep 2007 14:11:13 +0100 Received: from rwcrmhc11.comcast.net ([216.148.227.151]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ITdc4-0003ua-SE for rsgb_lf_group@blacksheep.org; Fri, 07 Sep 2007 14:11:13 +0100 Received: from rmailcenter89.comcast.net ([204.127.197.189]) by comcast.net (rwcrmhc11) with SMTP id <20070907131055m11007m2jke>; Fri, 7 Sep 2007 13:10:55 +0000 Received: from [24.91.120.215] by rmailcenter89.comcast.net; Fri, 07 Sep 2007 13:10:54 +0000 From: k2ors@comcast.net To: rsgb_lf_group@blacksheep.org, Date: Fri, 07 Sep 2007 13:10:54 +0000 Message-Id: <090720071310.6828.46E14DDE0008720C00001AAC22092246270B97010D0A020E06979D0E03@comcast.net> X-Mailer: AT&T Message Center Version 1 (Oct 4 2006) X-Authenticated-Sender: bWFyeWphbmVib3lkQGNvbWNhc3QubmV0 X-Karma: 0: X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55 Subject: Re: LF: BOG - Beverage on the Ground * Slinky ? X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME 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 Status: O X-Status: X-Keywords: X-UID: 250 Hello the list, Has anyone considered a 'Slinky' Beverage for 500kHz? For those not familiar a 'Slinky' is a toy spring approx 8cm in diameter. Stretch out the 'Slinky' (or several 'Slinkys in series) and you have an inductively loaded Beverage, a way of shortening the antenna mechanically. -- 73 Warren K2ORS WD2XGJ 136-140kHz WD2XSH/23 505-510kHz WE2XEB/2 160-189kHz WE2XGR/1 505-515kHz FN42hi http://www.w4dex.com/wd2xgj.htm -------------- Original message ---------------------- From: "Roelof Bakker" > Hello John, > > I don't know if these are available at your location, but some NDB-chasers > achieve excellent results using fences. I have tried this myself on a 5000 > feet long fence once and the results were spectacular, though the beamwidth > was very narrow. I used a 9:1 rf-transformer and a simple ground stake. > > Many MW DX-ers use BOGs and report excellent results > You may find this story interesting: > > http://www.dxing.info/dxpeditions/easter_island_2007.dx > > Best regards, > Roelof Bakker, pa0rdt > > > -- > Mijn Postvak In wordt beschermd door SPAMfighter. > 328 spam-mails zijn er tot op heden geblokkeerd. > Download de gratis SPAMfighter via deze link: http://www.spamfighter.com/lnl > > >