Return-Path: X-Spam-DCC: paranoid 104; 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=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL 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 tB2Mbj7R005296 for ; Wed, 2 Dec 2015 23:37:46 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1a4Fyr-0003VE-VD for rs_out_1@blacksheep.org; Wed, 02 Dec 2015 22:34:33 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1a4Fyr-0003V5-MJ for rsgb_lf_group@blacksheep.org; Wed, 02 Dec 2015 22:34:33 +0000 Received: from mail-wm0-f54.google.com ([74.125.82.54]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1a4Fxn-0000gf-L1 for rsgb_lf_group@blacksheep.org; Wed, 02 Dec 2015 22:34:32 +0000 Received: by wmec201 with SMTP id c201so843510wme.0 for ; Wed, 02 Dec 2015 14:33:11 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=8YrUxNw/RrJtaXpgKhKxrkpF4ytR7AWywxC1Nk6jRN0=; b=EwicYaNK/rWm6rJmk2Bw5yFPT3LPInoukG7tweSHf17VcAlQAFsJ2YdtcgsW66tnQd 5dU72XW120yJoRhmBeDQObQkmuBvyMnVrnRMLEtGxUxY89OHEE14PsPM3AkuNx1PDjSQ G1QbU8dVZSTDrGAWR7Jez3ByBPwzwvo6tCwmNFbZAsCEY1bkITB4PQ+9glbbVsQ9KSts OV3LMlSdWPd7J/cGH1CKmXL28ZKgiT58/+YTzBI30j3r606piv+BwJuZ8XfNqy9HcqPo 38jnCvJVwfX8Nqq6Z6SfwoS0tLHcjYpnzxeIMM1iX/YlauQeK9n4is12C8pXViuvBp49 VlUA== MIME-Version: 1.0 X-Received: by 10.194.87.170 with SMTP id az10mr7325785wjb.144.1449095591261; Wed, 02 Dec 2015 14:33:11 -0800 (PST) Received: by 10.28.130.139 with HTTP; Wed, 2 Dec 2015 14:33:11 -0800 (PST) In-Reply-To: <565F692A.4080401@abelian.org> References: <8D2FA5F73070DF3-164C-1B0DC6@webmail-vm091.sysops.aol.com> <8D2FB0E41DBD77B-1DC0-A28C5@webmail-vd012.sysops.aol.com> <565F09BB.6090709@abelian.org> <565F692A.4080401@abelian.org> Date: Wed, 2 Dec 2015 22:33:11 +0000 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org X-Scan-Signature: 3f8d74a8c70dd416d0a3a1dbcb9bb89f Subject: Re: LF: More EbNaut 137.777 - Dec. 1/2 Content-Type: text/plain; charset=UTF-8 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: 5508 Well, that was quick! The message appeared while the progress indicator was still showing 0%. But it was quite strong at the start of the 22:00 transmission, fading below visibility (0.12Hz B/W) towards the end. list rank 0 reference phase 180 180 180 180 carrier RMS 8.316e+002 noise RMS 3.887e+001 carrier S/N 26.61 dB in 679.3 uHz carrier Es/N0 -5.07 dB carrier Eb/N0 5.07 dB info bit period 10.33 seconds symbol error rate 466/1472 = 31.658 % Es/N0 from symbol errors -9.4 dB Eb/N0 from symbol errors 0.5 dB Shannon capacity 1406.5 bits/hour Shannon efficiency 24.8 % symbols file C:\CohLFRx\151202_2159-symbols.csv elapsed 54 seconds Happy anniversary, BTW. Andy On 2 December 2015 at 21:56, Paul Nicholson wrote: > > Edgar wrote: > >> To obtain a 92 uHz bin width in Spectrum Lab the settings ... > > ... indicates that it takes 4.66 hours for one window. > > You don't need a spectrogram, just a single 3 hour spectrum. > > Both ends would need GPSDO and also PPS at the rx soundcard. > And even then we don't know if the path is stable enough and > you could still be dissapointed. > > Joe wrote: > >> [8]K19A 1 Second symbols 25 characters 500 watts. 2100 UTC. > > That should make for a massive signal and an easy decode. > ... it did: > > 21:00 Eb/N0 = 11.1 dB > 21:30 Eb/N0 = 7.0 dB > > -- > Paul Nicholson > -- >