Return-Path: Received: from rly-mb03.mail.aol.com (rly-mb03.mail.aol.com [172.20.118.139]) by air-mb03.mail.aol.com (v121.4) with ESMTP id MAILINMB33-da47704797342; Mon, 24 Dec 2007 18:58:41 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-mb03.mail.aol.com (v121.4) with ESMTP id MAILRELAYINMB38-da47704797342; Mon, 24 Dec 2007 18:58:17 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1J6xAu-0007iZ-Mz for rs_out_1@blacksheep.org; Mon, 24 Dec 2007 23:57:36 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1J6xAu-0007iQ-6E for rsgb_lf_group@blacksheep.org; Mon, 24 Dec 2007 23:57:36 +0000 Received: from smarthost4.mail.uk.easynet.net ([212.135.6.14]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1J6xAr-0001Sn-KN for rsgb_lf_group@blacksheep.org; Mon, 24 Dec 2007 23:57:36 +0000 Received: from bb-87-82-25-172.ukonline.co.uk ([87.82.25.172] helo=[192.168.0.4]) by smarthost4.mail.uk.easynet.net with esmtp (Exim 4.10) id 1J6xAq-0008D6-00 for rsgb_lf_group@blacksheep.org; Mon, 24 Dec 2007 23:57:32 +0000 Message-ID: <477047A7.3040901@ukonline.co.uk> Date: Mon, 24 Dec 2007 23:58:31 +0000 From: Peter Dodd User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: In-Reply-To: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: E-field probes. 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-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) How about a very short resonant quarter-wave helix? Peter, G3LDO > > Does anyone know if the e-field probe can be adatped to HF frequencies? > > Some of you will know I am a member of Amsat and we have an > opportunity where we could propose a single frequency 29MHz 'SSB' > receiver on a satellite. However, as we will not be allowed a large > traditional antenna. I wondered if I could propose an e-field probe > for 29MHz. > > Is there any data / design information anywhere which may help make a > decision? >