X-GM-THRID: 1246936274618842803 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.86.2.20 with SMTP id 20cs33950fgb; Fri, 7 Sep 2007 07:14:46 -0700 (PDT) Received: by 10.66.244.10 with SMTP id r10mr1374338ugh.1189174486487; Fri, 07 Sep 2007 07:14:46 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id y1si1529260uge.2007.09.07.07.14.41; Fri, 07 Sep 2007 07:14:46 -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 1ITeU6-0000gZ-Gd for rs_out_1@blacksheep.org; Fri, 07 Sep 2007 15:06:58 +0100 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ITeU6-0000gQ-0V for rsgb_lf_group@blacksheep.org; Fri, 07 Sep 2007 15:06:58 +0100 Received: from sighthound.demon.co.uk ([80.177.174.126]) by relay2.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ITeU2-0005Xr-Sk for rsgb_lf_group@blacksheep.org; Fri, 07 Sep 2007 15:06:57 +0100 Received: from lurcher.twatt.local (lurcher.twatt.local [127.0.1.1]) by lurcher.twatt.local (Postfix) with ESMTP id ECE33DA4DA for ; Fri, 7 Sep 2007 15:06:48 +0100 (BST) Date: Fri, 7 Sep 2007 15:06:48 +0100 (BST) From: John Pumford-Green GM4SLV X-X-Sender: gm4slv@lurcher.twatt.local To: rsgb_lf_group@blacksheep.org In-Reply-To: <090720071310.6828.46E14DDE0008720C00001AAC22092246270B97010D0A020E06979D0E03@comcast.net> Message-ID: References: <090720071310.6828.46E14DDE0008720C00001AAC22092246270B97010D0A020E06979D0E03@comcast.net> X-Mailer: PC-Pine MIME-Version: 1.0 X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,AWL=0.017,RCVD_ILLEGAL_IP=0.234 Subject: Re: LF: BOG - Beverage on the Ground * Slinky ? Content-Type: TEXT/PLAIN; charset=US-ASCII 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 Status: O X-Status: X-Keywords: X-UID: 248 Hello all, Thanks for the various responses, I have a single slinky somewhere around the shack - bought for experimenting with helical loading. I think I might need a few more to get the electrical length needed for 500khz. John On Fri, 7 Sep 2007, k2ors@comcast.net wrote: > 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. > >