Return-Path: <owner-rsgb_lf_group@blacksheep.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1480; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id uBUJ1iV0006312 for <sq5bpf@lipkowski.org>; Fri, 30 Dec 2016 20:01:45 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cN2Mh-000344-O1 for rs_out_1@blacksheep.org; Fri, 30 Dec 2016 18:57:19 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cN2Ma-00033v-7g for rsgb_lf_group@blacksheep.org; Fri, 30 Dec 2016 18:57:12 +0000 Received: from porthos.netcom.co.uk ([217.72.171.73]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from <vlf0403@abelian.org>) id 1cN2MX-0006xB-JU for rsgb_lf_group@blacksheep.org; Fri, 30 Dec 2016 18:57:10 +0000 X-DKIM-Result: Domain=abelian.org Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=abelian.org ; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:To:Subject:Sender:Reply-To:Cc: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=wpi1ini/JteVNwAsxBfpupRk9CenhtHMqfYcrbx8yCg=; b=0qn2/y8jCBNAEH1baKMVVoMPZC akJFfHX0PzYS1n5XA8tKPnA0pYv1MnSTJsQzHMtrRFfEw6DYgFN/zTpHDKZHNO2ZEJ23uFh/+ULSI c42hDCxLWUGdjWpWqpBn+Fh+O3K78bqeuJsfxB//PEOiOnN7As/PjWRVOxTM6QZgwgio=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:35494 helo=pn.abelian.org) by porthos.netcom.co.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from <vlf0403@abelian.org>) id 1cN2MW-0003w4-Ll for rsgb_lf_group@blacksheep.org; Fri, 30 Dec 2016 18:57:08 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id 05CD940062D for <rsgb_lf_group@blacksheep.org>; Fri, 30 Dec 2016 18:57:08 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <58625259.9060909@posteo.de> <58668A5B.1080206@posteo.de> From: Paul Nicholson <vlf0403@abelian.org> Message-ID: <5866AE04.3060706@abelian.org> Date: Fri, 30 Dec 2016 18:57:08 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <58668A5B.1080206@posteo.de> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - porthos.netcom.co.uk X-AntiAbuse: Original Domain - blacksheep.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - abelian.org X-Get-Message-Sender-Via: porthos.netcom.co.uk: authenticated_id: catchall@abelian.org X-Authenticated-Sender: porthos.netcom.co.uk: catchall@abelian.org X-Scan-Signature: 4ead635eadbaebfaa92cfec77deb715d Subject: Re: VLF: Back on 5.17 kHz / 58 km... Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit 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 2.75 Status: O X-Status: X-Keywords: X-UID: 10015 > Now i'm running 230 mA since 14:40 UTC. So far 12.1dB in 93uHz, -62.2dB in 2.5kHz, quite a decent signal. > f = 5170.000000 Hz > Start time: 31.12.2016 09:00:00 UTC > Symbol length: 60 s > Characters: 2 With that signal, I expect an easy decode at about Eb/N0 = 4.5dB. I cannot work out exactly where your antenna wire runs to so unable to try calculations. I can see where one end is on the IUP building, but not the other end. -- Paul Nicholson --