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 v3E7wYHP017731 for ; Fri, 14 Apr 2017 09:58:35 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cyw4Q-0003ci-IN for rs_out_1@blacksheep.org; Fri, 14 Apr 2017 08:55:06 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cyw4P-0003cZ-ON for rsgb_lf_group@blacksheep.org; Fri, 14 Apr 2017 08:55:05 +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 1cyw4N-0000Mp-1o for rsgb_lf_group@blacksheep.org; Fri, 14 Apr 2017 08:55:04 +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=95bSW4CPqjKYXBEyxO5myGlqNjoprOg665kyHO4j/UM=; b=B6mnmslbhkK7zPSxF5Gz9rAIsx STWbn7gkqIFAvv051jxXMXXfIcc29MopPeKay7x4A66yRKeZIBqdp76H+ftwWsiNDXhFk0Ia4+qtx fkVe4iZop+gtzzFAnRtRoUyS88xaOp29MlWs8gZ4Jqr7+7NKl/1QsGEsQ9gHXbu0jp0w=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:52597 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 1cyw4L-0001qV-Jd for rsgb_lf_group@blacksheep.org; Fri, 14 Apr 2017 08:55:01 +0100 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id EF91C4001BE for ; Fri, 14 Apr 2017 07:55:00 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <15b6b24e427-51eb-1c309@webprd-a105.mail.aol.com> From: Paul Nicholson Message-ID: <4de2e6e0-5906-4235-10f0-89c03a4605b7@abelian.org> Date: Fri, 14 Apr 2017 07:55:00 +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: <15b6b24e427-51eb-1c309@webprd-a105.mail.aol.com> 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: 6ffbd2c9950b634d6cc91f9565b01a8b Subject: Re: VLF: EbNaut on 6470.1 Hz 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: 11271 DK7FC wrote: > f = 6470.100000 Hz > Start time: 13.Apr.2017 22:00:00 UTC > Symbol period: 36 s > Characters: 2 > CRC bits: 18 > Coding 16K21A Excellent signal here in Todmorden, UK. Lisr rank: 0 Carrier Eb/N0: 11.5 dB Carrier S/N: 22.11 dB in 34.7 uHz BER: 25.8 % Constant reference phase Markus wrote: > decoded from DL0AO data (well, just!): > skipped 3287.372330 seconds to start > padded 235.229 seconds at end > list rank 25047 > carrier Eb/N0 0.09 dB > symbol error rate 367/800 = 45.875 % Not bad with a chunk of signal missing. 1/2 a dB to spare at least! -- Paul Nicholson --