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 vB6CvP1m029221 for ; Wed, 6 Dec 2017 13:57:26 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eMZAx-0000yt-EG for rs_out_1@blacksheep.org; Wed, 06 Dec 2017 12:51:47 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eMZAv-0000yk-BK for rsgb_lf_group@blacksheep.org; Wed, 06 Dec 2017 12:51:45 +0000 Received: from mout01.posteo.de ([185.67.36.65]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1eMZAs-00034n-Gb for rsgb_lf_group@blacksheep.org; Wed, 06 Dec 2017 12:51:44 +0000 Received: from submission (posteo.de [89.146.220.130]) by mout01.posteo.de (Postfix) with ESMTPS id 8954B20EC1 for ; Wed, 6 Dec 2017 13:51:40 +0100 (CET) X-DKIM-Result: Domain=posteo.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1512564700; bh=g91n+jpPAE5kgbNUd4atUUEdNESmZ2yuuMz2RhmG7Z0=; h=Date:From:To:Subject:From; b=ZVfyNNzklMaOaNCLifanmIqAQztyNGdZH/NP91Ngkw8tVs00MZeJNxFHAGMxN+J2m PxHPOL+5Mtif20DVb55T270i+y0hYREnMiN29FhwLQRoxTtdgh7QwPvfdDWOz6sU7h J2yGDlh4dl9IeIe+G27ZIJ9EfEkcY6lxUEQgkyRHgfpgiuW31MsKC1+okwrUPr5Zc+ ViPlczkCWZguesWXokLb5GWbww3lFHBxOpGkECsYcSEXc70K0uvIyJNB2phu206mb0 5m7sjj1M0QP4OPJCESFfbrpJcu5IDW1JTN12dhRWyfjVmgR12TzwBbycSFmh4IU4Ij Tmy5h9jBcgNWA== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3ysJQg6T8zz9rxZ for ; Wed, 6 Dec 2017 13:51:39 +0100 (CET) Message-ID: <5A27E7DB.5030003@posteo.de> Date: Wed, 06 Dec 2017 13:51:39 +0100 From: DK7FC User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4d96a9d4-5f22-7650-872b-6344e9aea8e3@abelian.org> <5A19FF75.7080801@posteo.de> <5A1FFE7C.9050703@posteo.de> <5A226B0C.3080701@posteo.de> <579355A36AEE9D4FA555C45D556003AB9AAB0EB9@servigilant.vigilant.local> <5A25C304.3050607@posteo.de> <5A271218.9040803@posteo.de> <1d9b2c0d-5fd5-066d-8f66-e85a79f88f16@abelian.org> In-Reply-To: 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: Very well Paul. A 15 dB improvement. Maybe Jacek will have much better results as well, when improving the filters. and Eddie/G3ZJO?! Am 01.12.2017 23:36, schrieb Paul Nicholson: > > The 17470.1 Hz signal from DK7FC is quite disappointing here > in Todmorden. I was expecting lots of ERP and a great S/N. > > Daytime S/N is between -28dB and -20dB in 1Hz. > Daytime phase repeats within about +/- 25 deg. > > Nighttime, S/N is poor, best is about -29 dB and about > half the nights it is not significant above noise. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 4b5b5ebe37a4c4f430f59bc35c1947b0 Subject: Re: VLF: First VLF detection DL > EA 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=0.0 required=5.0 tests=none 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 Very well Paul. A 15 dB improvement. Maybe Jacek will have much better results as well, when improving the filters. and Eddie/G3ZJO?! Am 01.12.2017 23:36, schrieb Paul Nicholson: > > The 17470.1 Hz signal from DK7FC is quite disappointing here > in Todmorden. I was expecting lots of ERP and a great S/N. > > Daytime S/N is between -28dB and -20dB in 1Hz. > Daytime phase repeats within about +/- 25 deg. > > Nighttime, S/N is poor, best is about -29 dB and about > half the nights it is not significant above noise. When applying the new filter, what are the S/N results from that older carrier transmission? 73, Stefan Am 06.12.2017 13:02, schrieb Paul Nicholson: > > > I wrote: > > > Decoded 'E' here, Eb/N0 = +11.7 dB. Have to work on my > > sferic blanker to put in some notches as Stefan suggested. > > I notched out JXN and HWU (or whatever it's called) with > > vtfilter -e eqmap -h bp,f=17470,w=3000 -h bs,f=16400,w=600 > -hbs,f=18300,w=800 > > and re-ran. Blanker drop factor went from 2.5% to 18% and now > decodes with Eb/N0 = 26.8 dB! > > Maybe that's the problem with this band then, just getting > the right filtering before the blanker. > > -- > Paul Nicholson > -- >