Return-Path: X-Spam-DCC: paranoid 1102; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, NO_REAL_NAME autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t490p9Mu011359 for ; Sat, 9 May 2015 02:51:09 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Yqssj-0003ER-BU for rs_out_1@blacksheep.org; Sat, 09 May 2015 01:44:41 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Yqssi-0003EI-Pn for rsgb_lf_group@blacksheep.org; Sat, 09 May 2015 01:44:40 +0100 Received: from nina.ucs.mun.ca ([134.153.232.76]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.85) (envelope-from ) id 1YqssP-0001j9-1O for rsgb_lf_group@blacksheep.org; Sat, 09 May 2015 01:44:39 +0100 Received: from plato.ucs.mun.ca (plato.ucs.mun.ca [134.153.232.153]) by nina.ucs.mun.ca (8.13.1/8.13.1) with ESMTP id t490iG5k003055 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 8 May 2015 22:14:17 -0230 Date: Fri, 8 May 2015 22:14:16 -0230 (NDT) From: jcraig@mun.ca X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-Reply-To: <554CD3BD.13112.13127C0@mike.dennison.ntlworld.com> Message-ID: References: <554CD3BD.13112.13127C0@mike.dennison.ntlworld.com> MIME-Version: 1.0 X-Scan-Signature: 1f795a2ee1ecd56682b47ad11969b3d3 Subject: LF: DK7FC VLF probe Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 3073 Hi Stefan and group, I am building a probe using your design. Could you explain the interstage network and the 470 uH choke? I hope to use this to detect some 36 km photons. So far, using the PA0RDT miniwhip (without the VLF refit) and Spectrum Lab has resulted in reception only of near field electrostatic and induced artefacts ie: my best DX is only 5.2 km. Best 73 & TNX Joe VO1NA