Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id vBII236t020743 for ; Mon, 18 Dec 2017 19:02:06 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eQzer-0002Lu-BJ for rs_out_1@blacksheep.org; Mon, 18 Dec 2017 17:56:57 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eQzer-0002Ll-2G for rsgb_lf_group@blacksheep.org; Mon, 18 Dec 2017 17:56:57 +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 4.89) (envelope-from ) id 1eQzeo-00048p-CY for rsgb_lf_group@blacksheep.org; Mon, 18 Dec 2017 17:56:55 +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:Cc:References:To:Subject:Sender:Reply-To: 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=otQFLhKEpQYt1bNdiYHkHVuJKv3gPW4We3d/C6LXXy0=; b=R2HbrhXNWSCkGhLWM98/7mf4t8 mbRffLEszWJRxzJZPYXKACZM6poiD1qeJd5y5VLsg5ChizAhNzBn5d3mCPCYfqqVQZRBbZ5dj6tHe JWklkshRUUeUnXqsEbErrtFM5aovFCcouirrOjfs+WZIoNHIAzujTniSowSmI5xRp5h4=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:59494 helo=pn.abelian.org) by porthos.netcom.co.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1eQzeo-0003a5-0H; Mon, 18 Dec 2017 17:56:54 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id 646BD400256; Mon, 18 Dec 2017 17:56:53 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <2dbcd2a8-0109-41e4-c0ca-aada17f54de8@abelian.org> <5A2D886D.5060109@posteo.de> <5A31249C.2040307@posteo.de> <5A326AAE.7020808@posteo.de> <6b23a798-f28e-828c-bd8a-43ba8af0fb6a@abelian.org> <346e5dfe-da5f-79e9-c097-e3012a3b74bd@abelian.org> <5A344E83.3020308@posteo.de> <5A37BB18.4090806@posteo.de> Cc: Michael Smith From: Paul Nicholson Message-ID: <79b53aa1-0fa7-d02c-34bf-5b2e3b7bdddb@abelian.org> Date: Mon, 18 Dec 2017 17:56:53 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <5A37BB18.4090806@posteo.de> Content-Language: en-US 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-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Results from eight overnight transmissions of the 3 character message: 2017-12-10/11 Eb/N0 = -13.1 dB 2017-12-11/12 Eb/N0 = -6.3 dB, phase 125.3 2017-12-12/13 Eb/N0 = -6.8 dB, phase 143.2 2017-12-13/14 Eb/N0 = -19.6 dB (stopped 03:40 by safety limit) 2017-12-14/15 Eb/N0 = -6.0 dB, phase 68.8 2017-12-15/16 Eb/N0 = -11.0 dB 2017-12-16/17 Eb/N0 = -14.6 dB 2017-12-17/18 Eb/N0 = -9.9 dB, phase 37.0 (stopped 04:19 by snow) [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 2e2f7cbbe9f38dd7bf3fac4fc012e6fc Subject: Re: VLF: Transatlantic success East to West Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS autolearn=no version=2.63 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 Results from eight overnight transmissions of the 3 character message: 2017-12-10/11 Eb/N0 = -13.1 dB 2017-12-11/12 Eb/N0 = -6.3 dB, phase 125.3 2017-12-12/13 Eb/N0 = -6.8 dB, phase 143.2 2017-12-13/14 Eb/N0 = -19.6 dB (stopped 03:40 by safety limit) 2017-12-14/15 Eb/N0 = -6.0 dB, phase 68.8 2017-12-15/16 Eb/N0 = -11.0 dB 2017-12-16/17 Eb/N0 = -14.6 dB 2017-12-17/18 Eb/N0 = -9.9 dB, phase 37.0 (stopped 04:19 by snow) Stacking 11/12 + 12/13 gives Eb/N0 = -3.6 dB. 11/12 + 12/13 + 14/15 gives Eb/N0 = -3.0 dB. 11/12 + 12/13 + 14/15 + 15/16 gives Eb/N0 = -2.5 dB. 11/12 + 12/13 + 14/15 + 17/18 gives Eb/N0 = -3.4 dB. There's some phase changing going on here which is making stacking not so effective. -- Paul Nicholson --