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[195.171.43.25]) by mx.google.com with ESMTP id hh11si1268234wib.83.2013.11.04.12.58.11 for ; Mon, 04 Nov 2013 12:58:12 -0800 (PST) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VdQht-00033U-QV for rs_out_1@blacksheep.org; Mon, 04 Nov 2013 20:25:05 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VdQht-00033I-6I for rsgb_lf_group@blacksheep.org; Mon, 04 Nov 2013 20:25:05 +0000 Received: from smtpout5.wanadoo.co.uk ([80.12.242.80] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1VdQhq-0007Bm-6E for rsgb_lf_group@blacksheep.org; Mon, 04 Nov 2013 20:25:04 +0000 Received: from AGB ([95.145.211.233]) by mwinf5d64 with ME id lYR01m00G52hqAf03YR0of; Mon, 04 Nov 2013 21:25:01 +0100 Message-ID: From: "Graham" To: References: <5273ABC1.6060305@iup.uni-heidelberg.de> <5273B0EE.5080808@iup.uni-heidelberg.de> <5273E755.9030405@iup.uni-heidelberg.de> <7160019B86E944CCB69DF5F8A409017A@White> <52743828.1020306@iup.uni-heidelberg.de> <277830AA02F4428AB419D7041A6CF8DB@White> <19D43F7AF7C641108A3FF8A9928E5241@White> <5277DA73.70102@iup.uni-heidelberg.de> In-Reply-To: <5277DA73.70102@iup.uni-heidelberg.de> Date: Mon, 4 Nov 2013 20:24:10 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Spam-Score: 0.3 (/) 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: ....... Mork calling Orson ? G,) From: Stefan Schäfer Sent: Monday, November 04, 2013 5:33 PM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Tasmania? Yes! [...] Content analysis details: (0.3 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.12.242.80 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message 0.3 PLING_QUERY Subject has exclamation mark and question mark X-Scan-Signature: 77a0a2f41e380940c0e08c95737baa3b Subject: Re: LF: Tasmania? Yes! Content-Type: multipart/alternative; boundary="----=_NextPart_000_0079_01CED99B.D1A01290" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME,PLING_QUERY 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 Status: O X-Status: X-Keywords: X-UID: 3069 This is a multi-part message in MIME format. ------=_NextPart_000_0079_01CED99B.D1A01290 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ....... Mork calling Orson ?=20 G,) From: Stefan Sch=E4fer=20 Sent: Monday, November 04, 2013 5:33 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Tasmania? Yes! Hello Markus,=20 Thanks for the efforts and your analysis. Your recent image (attached) = is convincing for me. There has been no veto so i think we can accept = that as valid. 73, Stefan/DK7FC Am 04.11.2013 00:20, schrieb Markus Vester:=20 Today Stefan and I got a long wav recording from Edgar J. Twining, = starting 2013-11-01 16 UT, shortly after the potential reception of = dashes from DK7FC in Orford, Tasmania. Signals from all three EFR = utility transmitters (DCF49, HGA22, DCF39) could be found in the = recording. Using the same default samplerate and LO settings that Edgar = applies on his grabber, the idle frequency from HGA22 appeared to be = centered on 5429.95 Hz audio, which is about 72 mHz lower than expected = from the actual transmit frequency.=20 This offset is in good agreement to the observed -75 mHz offset on the = DK7FC signals, showing that this was indeed a real reception. Best 73, Markus (DF6NM) From: Markus Vester=20 Sent: Saturday, November 02, 2013 1:59 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Tasmania? ... From my point of view, the best contribution to a "proof" would now be = verifying the receiver's frequency calibration offset. On yesterday's = screenshots, the HGA22 line seemed to be just half a pixel below the = tick. Simply by zooming in on it you could measure the offset much = better, even though the line is spread by some tens of milliHz due to = the FSK modulation. Last year I took some effort to measure HGA's idle = frequency in detail against a calibrated Rubidium source. The result was = 135430.022 Hz, with only very little variation of a milliHz or so (see = attached). ... From: Markus Vester=20 Sent: Saturday, November 02, 2013 2:31 AM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Tasmania? Stefan, Edgar, the inset was taken from a local grabber screenshot = http://dl.dropboxusercontent.com/u/26404526/df6nm_Eu_131101_1710.jpg, = which was reduced in width to 50% to account for different scrolling = speeds, and aligned horizontally solely by the 15 UT timestamp. The = matching "7" came out as a result afterwards. In my opinion this is a valid detection. It would be very unlikely = that pure noise would produce such a result, and there has not been any = indication of a spurious carrier on this frequency in Orford.=20 The small offset in the frequency calibration (about -75 mHz) is = surely within expected tolerances of the receiver's free running crystal = oscillator. This is in accordance with the Orford HGA spectrum, which = shows the peak also very slightly below the 135430.0 Hz grid line. Best 73, Markus (DF6NM) From: Stefan Sch=E4fer=20 Sent: Saturday, November 02, 2013 12:24 AM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Tasmania? Hello Markus, LF! Yes, i saw these 3 dashes (which are "dits" on that QRG and time) in = one line. And if they are from me, it must be the end of the 7. And i = was transmitting the 7 just to that time.=20 Did you place your grabber image overlay onto Edgar's image so it fits = the 3 dashes or did you place it so that the time stamp fits to your = time?=20 If "we" call this a valid ID and detection, then these 16833 km are a = new #3 world record distance on 2200m! (according to = http://136.73.ru/h_qso/index.htm ) Do "we"? Would others agree/disagree? 73, Stefan/DK7FC ------=_NextPart_000_0079_01CED99B.D1A01290 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
.......  Mork calling Orson  ?
 
G,)
 
 

From: Stefan = Sch=E4fer
Sent: Monday, November 04, 2013 5:33 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: Tasmania? Yes!

Hello Markus,

Thanks for the efforts and your = analysis.=20 Your recent image (attached) is convincing for me. There has been no = veto so i=20 think we can accept that as valid.

73, Stefan/DK7FC

Am = 04.11.2013=20 00:20, schrieb Markus Vester:=20
Today Stefan and I got a long = wav recording=20 from Edgar J. Twining, starting 2013-11-01 16 UT, shortly after the = potential=20 reception of dashes from DK7FC in Orford, Tasmania. Signals from = all=20 three EFR utility transmitters (DCF49, HGA22, DCF39) could be = found in=20 the recording. Using the same default samplerate and LO settings that=20 Edgar applies on his grabber, the idle frequency from=20 HGA22 appeared to be centered on 5429.95 Hz audio, which is = about 72=20 mHz lower than expected from the actual transmit frequency.=20
 
This offset is in good = agreement to the=20 observed -75 mHz offset on the DK7FC signals, showing = that this was=20 indeed a real reception.
 
Best 73,
Markus (DF6NM)
 
 
Sent: Saturday, November 02, = 2013 1:59=20 PM
To: rsgb_lf_group@blacksheep.org =
Subject: Re: LF:=20 Tasmania?

...
From my = point of view,=20 the best contribution to a "proof" would now be verifying = the=20 receiver's frequency calibration offset. On yesterday's screenshots, = the HGA22=20 line seemed to be just half a pixel below the tick. Simply=20 by zooming in on it you could measure the offset much = better, even=20 though the line is spread by some tens of milliHz due to the = FSK=20 modulation. Last year I took some effort to measure HGA's = idle=20 frequency in detail against a calibrated Rubidium source.=20 The result was 135430.022 Hz, with only = very little=20 variation of a milliHz or so (see attached).
 ...
From: Markus = Vester=20
Sent: Saturday, November 02, 2013 2:31 AM
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: Tasmania?

Stefan, Edgar,
 
the inset was taken from a local = grabber=20 screenshot http://dl.dropboxusercontent.com/u/26404526/df6n= m_Eu_131101_1710.jpg,=20 which was reduced in = width to 50%=20 to account for different scrolling speeds, and aligned = horizontally=20 solely by the 15 UT timestamp. The matching "7" came out as a result=20 afterwards.
 
In my opinion this is a valid = detection. It would=20 be very unlikely that pure noise would produce such a result, and=20 there has not been any indication of a spurious carrier on = this=20 frequency in Orford.
 
The small offset in the frequency = calibration=20 (about -75 mHz) is surely within expected tolerances of the=20 receiver's free running crystal oscillator. This is in = accordance=20 with the Orford HGA spectrum, which shows the peak also very=20 slightly below the 135430.0 Hz grid line.
 
Best 73,
Markus (DF6NM)
 

Sent: Saturday, November 02, 2013 12:24 AM
Subject: Re: LF: Tasmania?

Hello Markus, LF!

Yes, i saw these 3 dashes = (which are=20 "dits" on that QRG and time) in one line. And if they are from me, it = must be=20 the end of the 7. And i was transmitting the 7 just to that time. =
Did you=20 place your grabber image overlay onto Edgar's image so it fits the 3 = dashes or=20 did you place it so that the time stamp fits to your time?

If = "we"=20 call this a valid ID and detection, then these 16833 km are a = new #3=20 world record distance on 2200m! (according to http://136.73.ru/h_qso/index.htm )
Do = "we"?=20 Would others agree/disagree?

73, = Stefan/DK7FC
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