Return-Path: Received: from mtain-dc12.r1000.mx.aol.com (mtain-dc12.r1000.mx.aol.com [172.29.64.140]) by air-db06.mail.aol.com (v129.4) with ESMTP id MAILINDB062-86204c17e29a339; Tue, 15 Jun 2010 16:29:14 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dc12.r1000.mx.aol.com (Internet Inbound) with ESMTP id D3D69380000EB; Tue, 15 Jun 2010 16:29:10 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OOckC-000339-It for rs_out_1@blacksheep.org; Tue, 15 Jun 2010 21:28:24 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OOckC-000330-7Q for rsgb_lf_group@blacksheep.org; Tue, 15 Jun 2010 21:28:24 +0100 Received: from mailout-us.gmx.com ([74.208.5.67]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1OOck9-0005zn-RR for rsgb_lf_group@blacksheep.org; Tue, 15 Jun 2010 21:28:24 +0100 Received: (qmail invoked by alias); 15 Jun 2010 20:28:14 -0000 Received: from 75-168-152-6.mpls.qwest.net (EHLO [192.168.1.100]) [75.168.152.6] by mail.gmx.com (mp-us003) with SMTP; 15 Jun 2010 16:28:14 -0400 X-Authenticated: #60769621 X-Provags-ID: V01U2FsdGVkX18KQo19VTwKhr8Y9VkklGg4Hd4By44+FUu+oKn70U tPCUIUTBBxR3wc Message-ID: <4C17E25A.3050704@gmx.com> Date: Tue, 15 Jun 2010 15:28:10 -0500 From: Mike-WE0H User-Agent: Thunderbird 2.0.0.24 (X11/20100317) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: In-Reply-To: X-Y-GMX-Trusted: 0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Ground electrode antenna on 500kHz RX (and TX?) 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=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: 3039ac1d408c4c17e2963be7 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Are you going to post pictures on your website of this antenna? Sounds interesting. Mike WE0H EN35hj Roger L wrote: > This evening I tried listening with my 20m spaced ground electrode pair > "antenna" on 500kHz WSPR. To my surprise it received G3ZJO and G7NKS at > -26dB S/N. I'm tempted to try this on TX on 500kHz and see if anyone > can receive me. On sub-9kHz it looks close to 50 ohms resistive but not > sure what it looks like on 500kHz. > > This was the first time I've listened/looked on 500kHz for several weeks. > > 73s > Roger G3XBM > > > -- > http://g3xbm-qrp.blogspot.com/ > http://www.g3xbm.co.uk > http://www.youtube.com/user/g3xbm > G3XBM GQRP 1678 ISWL G11088