Return-Path: 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 v219MACB019240 for ; Wed, 1 Mar 2017 10:22:11 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cj0Jy-0001HI-OP for rs_out_1@blacksheep.org; Wed, 01 Mar 2017 09:13:18 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cj0Jy-0001H9-0J for rsgb_lf_group@blacksheep.org; Wed, 01 Mar 2017 09:13:18 +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 ) id 1cj0Ju-0007R9-FA for rsgb_lf_group@blacksheep.org; Wed, 01 Mar 2017 09:13:16 +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=RgBJmi2B5FylyHjiBQF+UoBnWC0JilPmw55tQeTJDcY=; b=exyxc6zFWxK7NIqTcnBhG7VYc9 iZRcf3Q3/4v+M2JypRGZDHuRxnZgjfUdlEmNhXznChrdK/qv/vOLApsKv6yKa5+K6LNDnP33yDpoZ D1IXE6LgMfo+jIycps4ziz15W6wvqadRCpUogkYtA5nuJCKlmRCmTv00sRsTEaqCd8g4=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:44464 helo=pn.abelian.org) by porthos.netcom.co.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.88) (envelope-from ) id 1cj0Jt-0002sH-Kw for rsgb_lf_group@blacksheep.org; Wed, 01 Mar 2017 09:13:13 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id CAB4D400068 for ; Wed, 1 Mar 2017 09:13:12 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <58B4313A.80504@posteo.de> <1488212089.755764551@f404.i.mail.ru> <58B5A2E6.2080603@posteo.de> From: Paul Nicholson Message-ID: <101f98a0-a0bb-9a6f-d0df-c988fae38a0c@abelian.org> Date: Wed, 1 Mar 2017 09:13:12 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <58B5A2E6.2080603@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: 086f3faad0220c9ae57a7913e711a86d Subject: Re: VLF: A weekend for newcomers and advanced newcomers... 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: RO X-Status: X-Keywords: X-UID: 10757 Stefan wrote (22nd Feb) > f = 8270.100000 Hz > Start time: 22.Feb.2017 18:00:00 UTC > Symbol period: 30 s > Characters: 8 > CRC bits: 16 > Coding 16K21A > ...delayed by 30 minutes :-( > Start time: 22.Feb.2017 18:30:00 UTC (28th Feb) > 8chmessage.wav > Maybe Paul can analyse it further The message is in there at Eb/N0 = -2.5 dB. Timing good. Not sure about frequency yet, still sweeping (slowly, the PC is full of 16K19 trials). Error map http://abelian.org/vlf/tmp/170301a.gif suggests better reception during the evening and it gets worse later, or maybe there's a slight frequency offset. -- Paul Nicholson --