Return-Path: X-Spam-DCC: paranoid 1356; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,RATWARE_GECKO_BUILD autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id tB2FFPgE004225 for ; Wed, 2 Dec 2015 16:15:25 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1a493j-0001Tx-6n for rs_out_1@blacksheep.org; Wed, 02 Dec 2015 15:11:07 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1a493i-0001To-Un for rsgb_lf_group@blacksheep.org; Wed, 02 Dec 2015 15:11:06 +0000 Received: from parrot.netcom.co.uk ([217.72.171.49]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1a492h-0007Yt-SR for rsgb_lf_group@blacksheep.org; Wed, 02 Dec 2015 15:11:05 +0000 Received: from sb.abelian.org (i-194-106-52-83.freedom2surf.net [194.106.52.83]) by parrot.netcom.co.uk (Postfix) with ESMTP id A70153273A5 for ; Wed, 2 Dec 2015 15:00:50 +0000 (GMT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by sb.abelian.org (Postfix) with ESMTP id 36BAA28A0134 for ; Wed, 2 Dec 2015 15:09:48 +0000 (UTC) Message-ID: <565F09BB.6090709@abelian.org> Date: Wed, 02 Dec 2015 15:09:47 +0000 From: Paul Nicholson User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <8D2FA5F73070DF3-164C-1B0DC6@webmail-vm091.sysops.aol.com> <8D2FB0E41DBD77B-1DC0-A28C5@webmail-vd012.sysops.aol.com> In-Reply-To: <8D2FB0E41DBD77B-1DC0-A28C5@webmail-vd012.sysops.aol.com> X-Scan-Signature: 7ab87d4d3ea1d9dcb73a78e83fe4d608 Subject: Re: LF: More EbNaut 137.777 - Dec. 1/2 Content-Type: text/plain; charset=ISO-8859-1; 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 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 5496 Given a 3 hour VO/VK window, http://abelian.org/ebnaut/calc.php?sndb=15&snbws=92e-6&code=16K21&sp=10&L=1&nc=5&submit=1 shows you need to reach 15dB S/N in 92uHz to get a 5 char message across, and http://abelian.org/ebnaut/calc.php?sndb=12.5&snbws=92e-6&code=16K21&sp=12.5&L=1&nc=3&submit=1 12.5dB for a 3 char message. This assumes the path remains stable for 3 hours which is probably optimistic. A 2 char message with 14 second symbols needs S/N 11dB in 92uHz. Everything hinges on that carrier measurement. Markus wrote: > Fewer and weaker decodes than the night before: Here it was better than the previous night, VO1NA 2015-12-01/02 8K19A 2S 5C start Eb/N0 BER rank 19:00 1.0 35.2% 684 20:00 3.4 30.7% 0 20:30 13.0 6.5% 0 21:00 10.4 12.9% 0 21:30 11.4 10.4% 0 22:00 9.2 16.2% 0 22:30 11.7 9.6% 0 23:00 14.0 4.3% 0 23:30 12.6 7.2% 0 00:00 6.5 23.6% 0 00:30 10.5 12.7% 0 01:00 0.2 36.3% 6893 01:30 8.3 18.8% 0 02:00 4.5 28.3% 0 02:30 -1.0 38.1% 47236 05:00 4.2 29.1% 0 05:30 11.0 11.3% 0 06:00 4.5 28.3% 0 07:00 7.2 21.7% 0 08:00 7.2 21.7% 0 08:30 6.3 24.0% 0 09:00 0.2 36.3% 84968 -- Paul Nicholson --