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 w0M8VuNo024249 for ; Mon, 22 Jan 2018 09:31:59 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1edXQV-0007qN-Vm for rs_out_1@blacksheep.org; Mon, 22 Jan 2018 08:25:59 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1edXQV-0007qE-3v for rsgb_lf_group@blacksheep.org; Mon, 22 Jan 2018 08:25:59 +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 1edXQS-00034C-Ch for rsgb_lf_group@blacksheep.org; Mon, 22 Jan 2018 08:25:57 +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:References:Reply-To:To:From:Subject:Sender: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=5HHz3Q+y8U5IWp+Ow71jpfHU1/BQzcPvIbtivut+0ig=; b=7iKlNtpMqUWYcjGrNeWSmsP2lA s7t0zi9Jyn7ttYUIPGG9cq0gVAAw2X1VegbsGz7VyHVzU+WN/xWGzPyul8Uu9N+yAsb8XI5lxIEPZ 4G0leudmFffr+9C7LjsI6EpTgHYY+rLEGHVX22o/3sskXdnoDOIa9xZrK9QDwrAdsX1M=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:54980 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 1edXQR-0005Fe-KY for rsgb_lf_group@blacksheep.org; Mon, 22 Jan 2018 08:25:55 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id D12B24001B4 for ; Mon, 22 Jan 2018 08:25:54 +0000 (UTC) From: Paul Nicholson To: rsgb_lf_group@blacksheep.org References: <1610de5da6d-171d-1bc8a@webjas-vaa159.srv.aolmail.net> <5A61E0A9.8020204@posteo.de> <66c7face-5740-d30a-d7b9-d1315d4e9e59@abelian.org> <5A6206DC.8070400@posteo.de> <82dbc9de-7d26-c8d4-12d5-e1faff5a640a@abelian.org> <053801d39150$190cd940$4b268bc0$@comcast.net> <135c650b-06e4-6d31-fef8-9927be7ebbda@abelian.org> <997c3a13-1e8e-7d76-0697-d300c1ce3fc7@abelian.org> Message-ID: <3ee35658-0001-c0e6-d980-5d0ff38a3a24@abelian.org> Date: Mon, 22 Jan 2018 08:25:54 +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: <997c3a13-1e8e-7d76-0697-d300c1ce3fc7@abelian.org> 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: Stefan wrote: > f = 4470.100000 Hz > Start time: 18.JAN.2018 16:00:00 UTC > Symbol period: 60 s > Characters: 2 > CRC bits: 16 > Coding 16K23A (NEW) > Duration: 13h20min [hh:mm] > Antenna current: 300 mA [...] 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: 4c0633a540d76adc241b9d3cede72a57 Subject: Re: VLF: 300 mA on 4470 Hz, 67 km band 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 Stefan wrote: > f = 4470.100000 Hz > Start time: 18.JAN.2018 16:00:00 UTC > Symbol period: 60 s > Characters: 2 > CRC bits: 16 > Coding 16K23A (NEW) > Duration: 13h20min [hh:mm] > Antenna current: 300 mA Getting uplink now from Warsaw but it was a bit intermittent. Unfortunately signal levels are down a few dB last night so no decode at Warsaw. Maybe Jacek can decode the 20/21 from local storage? vtread -T2018-01-20_16:00,+48100 /raw | vtcat -p | vtfilter -a th=5,ul=6500 -h bp,f=4970,w=3000 | vtblank -a12 -d0 -t100 -v | vtmult -f 4470.1 | vtresample -r240 | vtresample -r1 > dk7fc-21.vt and vtraw -oa dk7fc-21.vt | ebnaut -dp16K23A -r1 -S60 -k16 -N2 -PU -L100000 -v This is likely to decode correctly for a new distance record. Todmorden (881.2 km) -------------------- 19/20 Eb/N0 +8.6 dB, S/N -27.7 dB/1Hz, phase 70.3 *Decoded* 20/21 Eb/N0 +10.8 dB, S/N -25.4 dB/1Hz, phase 65.0 *Decoded* 21/22 Eb/N0 +4.4 dB, S/N -31.8 dB/1Hz, phase 78.3 *Decoded* Bielefeld (303.8 km DL4YHF) --------------------------- 19/20 Eb/N0 -2.0 dB, S/N -38.3 dB/1Hz, phase -45.2; 20/21 Eb/N0 +12.5 dB, S/N -23.8 dB/1Hz, phase -55.7 *Decoded* 21/22 Eb/N0 +6.9 dB, S/N -29.4 dB/1Hz, phase -59.7 *Decoded* Cumiana (504.6 km IK1QFK) ------------------------- 19/20 Eb/N0 +8.9 dB, S/N -27.4 dB/1Hz, phase -116.3 *Decoded* 20/21 Eb/N0 +11.3 dB, S/N -24.9 dB/1Hz, phase -105.0 *Decoded* 21/22 Eb/N0 +7.4 dB, S/N -28.8 dB/1Hz, phase -107.5 *Decoded* Warsaw (919.3 km SQ5BPF) ------------------------ 19/20 No uplink 20/21 No uplink 21/22 Eb/N0 -3.2 dB, S/N -39.4 dB/1Hz, phase 75.3; -- Paul Nicholson --