Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mk06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5B1A3380000D1; Mon, 8 Apr 2013 16:14:37 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UPIIf-0001Z0-7M for rs_out_1@blacksheep.org; Mon, 08 Apr 2013 21:04:21 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UPIIe-0001Yr-Ma for rsgb_lf_group@blacksheep.org; Mon, 08 Apr 2013 21:04:20 +0100 Received: from imr-mb02.mx.aol.com ([64.12.207.163]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1UPIIb-0000x0-GH for rsgb_lf_group@blacksheep.org; Mon, 08 Apr 2013 21:04:19 +0100 Received: from mtaout-mb06.r1000.mx.aol.com (mtaout-mb06.r1000.mx.aol.com [172.29.41.70]) by imr-mb02.mx.aol.com (Outbound Mail Relay) with ESMTP id AFE1D3800011A; Mon, 8 Apr 2013 16:03:55 -0400 (EDT) Received: from White (188-195-246-26-dynip.superkabel.de [188.195.246.26]) by mtaout-mb06.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 1D6A4E0000ED; Mon, 8 Apr 2013 16:03:52 -0400 (EDT) Message-ID: <94694A6E4CD2499CB056FA6858FA7226@White> From: "Markus Vester" To: , References: <8B8300C3ECFA4E4CA3D2DFB3815E542C@White> <3709583A0A2942039831596B8DF86A22@White> <5E4AC744CC5047589765B62F7D6D90A1@Extensa> Date: Mon, 8 Apr 2013 22:03:49 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1365451435; bh=3mKZoTsZxMEoTWrUtxiPiW3xGQF7UJ8pVpoxv33RTEU=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=zQuQva+B0GRpMd+7LBGa+RIB5UP68PVoqlma7UesxFaoNDqr82Gl8o/tdAtyBCsFn 5SjA9ocFEXxtHeDcatCG5aFzEqLG9ISJ0Hbu3ZSf4G3QdtHnUjpo5B0PQS6agWk5FC 3lFFYMc4OnNSpcIiqxwcYK/qd1DrkilETj1Idp1U= X-AOL-SCOLL-SCORE: 0:2:466951424:93952408 X-AOL-SCOLL-URL_COUNT: 0 X-Spam-Score: -2.4 (--) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: After a 12 hour countinuous carrier transmission, I finally switched off Monday 20:00 UT. The signal had been accurately on 8270.020 Hz, with a few exceptions as indicated here: 7:55 start, 7:55 - 9:40 freq too low, 10:45 phase jump, 11:50 - 12:10 freq too high, 14:30 phase jump, 20:00 end. [...] Content analysis details: (-2.4 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [64.12.207.163 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) -0.0 SPF_PASS SPF: sender matches SPF record -2.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 4a8faa6952847c1ec651f883b63fc053 Subject: Re: VLF: Sunday / Monday tests 8270.020 Hz Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01CE34A4.F2D1A6F0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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 x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mtain-mk06.r1000.mx.aol.com ; domain : mx.aol.com DKIM : pass x-aol-sid: 3039ac1d618a5163252d59d8 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_0008_01CE34A4.F2D1A6F0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable After a 12 hour countinuous carrier transmission, I finally switched off = Monday 20:00 UT. The signal had been accurately on 8270.020 Hz, with a = few exceptions as indicated here: 7:55 start, 7:55 - 9:40 freq too low, 10:45 phase jump, 11:50 - 12:10 freq too high, 14:30 phase jump, 20:00 end. Reception was again marginally positive at PA1SDB, very clear at OK2BVG, = and reached fullscale SNR in the Todmorden 278 uHz spectrogram.=20 http://www.qsl.net/pa1sdb/ http://www.ok2bvg.cz/vlfgrabber/ http://abelian.org/vlf/sg8270.php Best 73, Markus (DF6NM) From: Markus Vester=20 Sent: Monday, April 08, 2013 4:34 PM To: rsgb_lf_group@blacksheep.org=20 Subject: VLF: Sunday / Monday tests 8270.020 Hz Hi Peter, LF, thanks for highlighting my marginal traces in your screenshots. Yes your = start and stop times are correct, the TX was actually on air from 7:45 = to 13:45. I use almost the same setup as in the earlier experiments on = 8970: around 70 watts from a class-B car-hifi amplifier, and the coil = placed in the blue dustbin on the balcony: http://df6nm.bplaced.net/VLF/VLF_110304-06/ Today I had a day off work so I took the chance for another round on the = same QRG, starting 7:57 UT. I was intending to target your 47 uHz window = but unfortunately I messed up the samplerate tracking again. First I = forgot to restart and reset the "error integral" after DHO's coffee = break, which left the samplerate uncorrected at ~ 0.05 ppm low until 10 = UT. Then around midday the SUN (sic! ;-) came around shining on the = notebook behind the window, warming up the internal soundcard crystal = enough to exceed the +0.1 ppm tracking limit I had imposed yesterday. = This was fixed at 12:15, and the frequency should have been ok = thereafter. If nothing fails I intend to leave the TX on until around 16 = UT.=20 Best 73, Markus (DF6NM) ... ------=_NextPart_000_0008_01CE34A4.F2D1A6F0 Content-Type: text/html; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable
After a 12 hour countinuous carrier = transmission, I=20 finally switched off Monday 20:00 UT. The signal had been=20 accurately on 8270.020 Hz, with a few exceptions as = indicated=20 here:
 
 7:55 start,
 7:55 - 9:40 freq too = low,
 10:45 phase jump,
 11:50 - 12:10=20 freq too high,
 14:30 = phase=20 jump,
 20:00 = end.
 
Reception was again marginally = positive at=20 PA1SDB, very clear at OK2BVG, and reached fullscale SNR = in the=20 Todmorden 278 uHz spectrogram.
 
http://www.qsl.net/pa1sdb/=
http://www.ok2bvg.cz/vlfgrabber= /
http://abelian.org/vlf/sg8270.= php
 
Best 73,
Markus (DF6NM)
 
 
From: Markus Vester
Sent: Monday, April 08, 2013 4:34 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: VLF: Sunday / Monday tests 8270.020 = Hz

Hi Peter, LF,
 
thanks for highlighting my = marginal traces in=20 your screenshots. Yes your start and stop times are correct, the TX was = actually=20 on air from 7:45 to 13:45. I use = almost the=20 same setup as in the earlier experiments on 8970: around 70 watts = from a=20 class-B car-hifi amplifier, and the coil placed in the = blue dustbin on=20 the balcony:
 http://df6nm.bplaced= .net/VLF/VLF_110304-06/
 
Today I had a day off work so I took = the chance for=20 another round on the same QRG, starting 7:57 UT. I was intending=20 to target your 47 uHz window but unfortunately I messed up the = samplerate tracking again. First I forgot to restart and reset the = "error=20 integral" after DHO's coffee break, which left the samplerate = uncorrected at ~=20 0.05 ppm low until 10 UT. Then around midday the SUN (sic! ;-) = came=20 around shining on the notebook behind the window, warming up the = internal=20 soundcard crystal enough to exceed the +0.1 ppm tracking limit I = had=20 imposed yesterday. This was fixed at 12:15, and the frequency = should have=20 been ok thereafter. If nothing fails I intend to leave the TX=20 on until around 16 UT. 
 
Best 73,
Markus (DF6NM)
 ...
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