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: EATSERVER: mailn 1166; 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 v4B7BDeB007639 for ; Thu, 11 May 2017 09:11:14 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1d8i75-0001NW-7s for rs_out_1@blacksheep.org; Thu, 11 May 2017 08:02:15 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1d8i74-0001NN-Ba for rsgb_lf_group@blacksheep.org; Thu, 11 May 2017 08:02:14 +0100 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 4.89) (envelope-from ) id 1d8i70-00047g-H6 for rsgb_lf_group@blacksheep.org; Thu, 11 May 2017 08:02:13 +0100 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=LI3if9FWFwcBVKFTIEQfdjNfALnvWNbUBCF42six/s0=; b=z9Z8NwwPz0gFY0dgp7/KE2NEL8 ntOBRavG8y3PUT6A3gz7vDqPMPU/LlXKGvJxDfYDgZnHnlCyAt3LTve2qVO/4Z+AfQ4UnlpKTYGja ApOls6Mre1nwM8ijQN5ANULYYJidAIkpqDVoxOEXEKzCvTnk2NPJr5TnNRF9EjmZzuPY=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:53481 helo=pn.abelian.org) by porthos.netcom.co.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1d8i6y-0001Xu-44 for rsgb_lf_group@blacksheep.org; Thu, 11 May 2017 08:02:08 +0100 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id 7463540073E for ; Thu, 11 May 2017 07:02:07 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <1494434057.289033747@f20.i.mail.ru> From: Paul Nicholson Message-ID: <9ca738eb-6a64-a922-356a-6891cd122dc8@abelian.org> Date: Thu, 11 May 2017 07:02:07 +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: <1494434057.289033747@f20.i.mail.ru> 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: 739d4fb39bd02fc5a2de5437a39bb056 Subject: Re: LF: my results on VLF 05-08 May 2017 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: 11661 Alex wrote: > I think I have only false decodes of > {05 May 19:15 8270.1 4-char} > http://rn3aus.narod.ru/ebnaut-8270-05may2017-1915z.zip I got a successful genuine decode of the 4-char message from Alex's file ebnaut06_MAY_0136_8270-1pps.wav Eb/N0 = 0.0 dB, constant reference phase carrier S/N: 13.62 dB in 31.2 uHz, -31.43 dB in 1Hz, -65.41 dB in 2.5kHz The decode needed a time offset of +1001 seconds which doesn't agree with difference between the WAV timestamp and the start of the message. Something wrong with the clock at the RX site? Alex, try the decode again, Symbols: 40.0 Message length: 4 Start offset: 1001 List length: 100 Now I go look at the 2-char.... -- Paul Nicholson --