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[195.171.43.25]) by mx.google.com with ESMTP id c2si4921308wiv.86.2014.01.06.03.53.52 for ; Mon, 06 Jan 2014 03:53:53 -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; dkim=pass header.i=@kabelmail.de Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1W08J0-0003xe-Hd for rs_out_1@blacksheep.org; Mon, 06 Jan 2014 11:25:14 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1W08Iz-0003xV-F6 for rsgb_lf_group@blacksheep.org; Mon, 06 Jan 2014 11:25:13 +0000 Received: from smtpa1.mediabeam.com ([194.25.41.13] helo=smtpa2.mediabeam.com) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1W08Iu-0005tz-Qi for rsgb_lf_group@blacksheep.org; Mon, 06 Jan 2014 11:25:12 +0000 Received: from IMAP1 (balancer7.mediabeam.com [10.100.1.80]) by smtpa2.mediabeam.com (8.13.8/8.13.1) with ESMTP id s06BP6Z5026181 for ; Mon, 6 Jan 2014 12:25:07 +0100 X-DKIM-Result: Domain=kabelmail.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kabelmail.de; s=mail; t=1389007507; bh=Ac/XjzFHm+n6TWfvaitpTp9oT33uzktAgK9abc3W1tI=; h=Date:From:To:Subject; b=tz7z9mCqJcGGnD02mOUssz5MPOFvl0Ug3rwZGAdkOABQP+LaKoqGA7NYse/nqrN+t maug7i0VoYeVgl5CrcbbvHc5FYdmTSfiN5J4VXdJAEZ9kLN3DbAnLBznuqwK1V/vfb jf++I/TRPlVCp7pYz3DGwSzwFWAfnJXu7eIXV9XI= Date: Mon, 06 Jan 2014 12:25:04 +0100 From: uwe-jannsen@kabelmail.de To: rsgb_lf_group@blacksheep.org Message-ID: X-Priority: 3 (Normal) MIME-Version: 1.0 X-Spam-Score: -0.7 (/) 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: Hi Markus, this is a consolidated accuratly report! the tx has been switched off at abt 0730utc today and will be on agn. at 1430utc coming up in mode A0 for two hours and thereafter in Op-4H. [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [194.25.41.13 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 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: 7507df09b4e78494d20ab2aec3aa67b8 Subject: Re: RE: LF: RE: Opds-4H detections in Todmorden Content-Type: multipart/alternative; boundary="----A6CB28443F78462081344F120A6212CD" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, NO_REAL_NAME,PRIORITY_NO_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 ------A6CB28443F78462081344F120A6212CD Content-type: text/plain; charset=Windows-1252 Content-Transfer-Encoding: quoted-printable Hi Markus, this is a consolidated accuratly report! the tx has been switched off at abt 0730utc today and will be on agn=2E= at 1430utc coming up in mode A0 for two hours and thereafter in Op-4H=2E GL Uwe/dj8wx Von: rsgb_lf_group@blacksheep=2Eorg Gesendet: 05=2E01=2E2014 17:05 An: rsgb_lf_group@blacksheep=2Eorg Betreff: RE: LF: RE: Opds-4H detections in Todmorden Markus,=20 Thank you, I will contact Paul=2E=20 I also have a 3kW VLF PA with matched 70m antenna operational=2E The TX= oscillator stability is ~ 500uHz rms over 4 hours; will replace with T= hunderbolt GPSDO when it arrives this month (ordered 1 for RX and 1 for= TX)=2E If you think this could be useful in Paul=92s efforts I=92ll ma= ke it available=2E =20 73,=A0=A0 Jim AA5BW =A0=20 From: owner-rsgb_lf_group@blacksheep=2Eorg [mailto:owner-rsgb_lf_group@= blacksheep=2Eorg] On Behalf Of Markus Vester Sent: Sunday, January 5, 2014 4:49 PM To: rsgb_lf_group@blacksheep=2Eorg Cc: Paul Subject: Re: LF: RE: Opds-4H detections in Todmorden =20 Hi Jim, thanks for the flowers - yes we were all excited about these po= ssibilities=2E =20 But=A0it's still a long way to go to the other side of the pond=2E=2E=2E= Paul mentioned that he is=A0interested in possible overseas detections= of eg=2E a long carrier from an amateur station=2E So it may be worthw= hile for you to get in direct contact to him=2E=A0Paul=A0is also mainta= ining the Natural Radio VLF Discussion Group on Yahoo: http://tech=2Edi= r=2Egroups=2Eyahoo=2Ecom/neo/groups/VLF_Group/conversations/messages =20 Best 73, =20 Markus =20 From: hvanesce =20 Sent: Monday, January 06, 2014 12:25 AM =20 To: rsgb_lf_group@blacksheep=2Eorg =20 Subject: LF: RE: Opds-4H detections in Todmorden =20 Markus, Paul, Stefan and Uwe,=20 Outstanding collaboration and individual work! This is quite exciting=2E= Directionally optimized 55uHz VLF Opera rings in the new year on a ver= y memorable note=2E=20 Markus, was your TX configuration ~=2E3A to 9m, ~ 20uW?=20 Thank you for the good news, and the fine collaboration=2E=20 73,=A0 Jim AA5BW=20 From: owner-rsgb_lf_group@blacksheep=2Eorg [mailto:owner-rsgb_lf_group@= blacksheep=2Eorg] On Behalf Of Markus Vester Sent: Sunday, January 5, 2014 3:15 PM To: rsgb_lf_group@blacksheep=2Eorg Cc: Paul Subject: VLF: Opds-4H detections in Todmorden =20 Most who are interested in VLF will be aware of the excellent work of P= aul Nicholson, who is running a very sensitive dual-loop receiver for V= LF and natural radio in Todmorden UK=2E He is also actively interested = in monitoring man-made VLF signals, and has provided outstanding recept= ion reports on several low-power transmit experiments=2E =20 With the recent upsurge of trying to put Opera mode to work at VLF, Pau= l has kindly provided spectrum data during announced Opera-4H transmiss= ions from DJ8WX and myself=2E In Todmorden, signals from the two loops = are continuously being digitized along with GPS time stamps=2E The loop= s were combined in software for maximum SNR from the expected direction= , and noise blanking was applied=2E Then relevant five-hour chunks were= Fourier transformed (0=2E12 Hz around 8970 Hz, 54=2E936 =B5Hz bin widt= h) and emailed to me=2E Here the files were fed to unmodified Opds corr= elation software, using a search list containing nine callsigns from po= tential VLF transmit stations http://dl=2Edropboxusercontent=2Ecom/u/26= 404526/callsloc_vlf=2Etxt=2E This process has resulted in=A0four unambi= guous hits: =20 Receiver: Paul Nicholson=A0 IO83XQ=A0=A0 Opds-4H=A0=A0 8969=2E94 - 8972= =2E06 Hz =A0=A0 date=A0=A0=A0=A0=A0 time=A0=A0 call=A0=A0 distance=A0 frequency= bandwidth=A0 snr=A0=A0=A0 correlation 2014-01-02 06:14:01 DJ8WX=A0=A0=A0 760km=A0=A0 8969=2E997Hz=A0=A0 0mHz= -54=2E1dBOp 100% 17=2E2dB 2014-01-02 01:50:49 DJ8WX=A0=A0=A0 760km=A0=A0 8969=2E997Hz=A0=A0 0mHz= -55=2E0dBOp 100% 18=2E0dB 2014-01-01 16:36:38 DJ8WX=A0=A0=A0 760km=A0=A0 8969=2E990Hz=A0=A0 0mHz= -53=2E6dBOp 100% 16=2E4dB 2014-01-01 14:22:32 DF6NM=A0=A0 1026km=A0=A0 8970=2E000Hz=A0=A0 0mHz -= 59=2E1dBOp 100% 16=2E3dB =20 For comparison, my first two Op-4H transmissions on Dec 31st had been s= uccessfully detected by Stefan in Heidelberg, but have not produced suf= ficient SNR in Todmorden at the time=2E =20 Receiver: DK7FC JN49IK VLF OPDS-4H correlation=A0 Range: 8969=2E87 =2E=2E= =2E 8970=2E23 Hz =A0=A0 date=A0=A0=A0=A0=A0 time=A0=A0 call=A0=A0 distance=A0 frequency= bandwidth=A0 snr=A0=A0=A0 correlation 2013-12-31 22:30:04 DF6NM=A0=A0=A0 175km=A0=A0 8970=2E000Hz=A0=A0 0mHz= -60=2E3dBOp=A0 82% 14=2E2dB 2013-12-31 18:07:58 DF6NM=A0=A0=A0 175km=A0=A0 8970=2E000Hz=A0=A0 0mHz= -58=2E3dBOp 100% 17=2E0dB =20 Today we were able to also extract transmissions on Uwe's new frequency= 8270 Hz, although the SNR seemed not as good as before: =20 Receiver: Paul Nicholson=A0 IO83XQ=A0=A0 Opds-4H=A0=A0 8269=2E94 - 8272= =2E06 Hz =A0=A0 date=A0=A0=A0=A0=A0 time=A0=A0 call=A0=A0 distance=A0 frequency= bandwidth=A0 snr=A0=A0=A0 correlation 2014-01-05 07:18:54 DJ8WX=A0=A0=A0 760km=A0=A0 8270=2E000Hz=A0=A0 0mHz= -57=2E2dBOp=A0 97% 15=2E1dB 2014-01-05 02:55:38 DJ8WX=A0=A0=A0 760km=A0=A0 8270=2E000Hz=A0=A0 0mHz= -56=2E1dBOp 100% 14=2E4dB 2014-01-04 22:32:14 DJ8WX=A0=A0=A0 760km=A0=A0 8270=2E000Hz=A0=A0 0mHz= -57=2E6dBOp 100% 12=2E8dB =20 Currently Uwe has another transmission ongoing, and the carrier is visi= ble on Paul's spectrogram http://abelian=2Eorg/vlf/fbins2=2Eshtml#b=3D0= 80&s=3Dsp Many thanks to Paul, Uwe, Stefan, and all who have contributed to this= fine success! =20 Best 73, Markus (DF6NM) ------A6CB28443F78462081344F120A6212CD Content-type: text/html; charset=Windows-1252 Content-Transfer-Encoding: quoted-printable
Hi Markus,

this is a consolidated accuratly report!

the tx has been switched off at abt 0730utc today and will be on agn=2E= at 1430utc coming up in mode A0 for two hours and thereafter in Op-4H=2E=

GL
Uwe/dj8wx
Von: rsgb_lf_group@blacksheep=2Eorg
Gesendet: 05=2E01=2E2014 17:05
An: rsgb_lf_group@blacksheep=2Eorg
Betreff: RE: LF: RE: Opds-4H detections in Todmorden

Markus,<= /o:p>

 

Thank you, I = will contact Paul=2E

 

I also have a= 3kW VLF PA with matched 70m antenna operational=2E The TX oscillator s= tability is ~ 500uHz rms over 4 hours; will replace with Thunderbolt GP= SDO when it arrives this month (ordered 1 for RX and 1 for TX)=2E If yo= u think this could be useful in Paul’s efforts I’ll make it= available=2E

 

73, &nbs= p; Jim AA5BW  

 

From:<= span style=3D"font-size: 10pt; font-family: "tahoma","sa= ns-serif";"> owner-rsgb_lf_group@blacksheep=2Eorg [mailto:owner-rs= gb_lf_group@blacksheep=2Eorg] On Behalf Of Markus Vest= er
Sent: Sunday, January 5, 2014 4:49 PM
To: rsgb_lf_group@blacksheep=2Eorg
Cc: Paul
Subject: Re: LF: RE: Opds-4H detections in Todmorden

 

Hi Jim, thanks for the flowers = - yes we were all excited about these possibilities=2E

 

But it's still a long way = to go to the other side of the pond=2E=2E=2E Paul mentioned that he is&= nbsp;interested in possible overseas detections of eg=2E a long carrier= from an amateur station=2E So it may be worthwhile for you to get in d= irect contact to him=2E Paul is also maintaining the Natural = Radio VLF Discussion Group on Yahoo: h= ttp://tech=2Edir=2Egroups=2Eyahoo=2Ecom/neo/groups/VLF_Group/conversati= ons/messages

 

Best 73,

Markus

 

From: hvanesce

Sent: Monday, January 06, 2014 12:25 AM

Subject: LF: RE: Opds-4H detections in Todmorden

 

Markus, Paul,= Stefan and Uwe,

 

Outstanding c= ollaboration and individual work! This is quite exciting=2E Directional= ly optimized 55uHz VLF Opera rings in the new year on a very memorable = note=2E

 

Markus, was y= our TX configuration ~=2E3A to 9m, ~ 20uW?

 

Thank you for= the good news, and the fine collaboration=2E

 

73,  Jim= AA5BW

 

 

 

 

From:<= span style=3D"font-size: 10pt; font-family: "tahoma","sa= ns-serif";"> owner-rsgb_lf_group@blacksheep=2Eorg [mailto:owner-rsgb_lf_group@blacksheep=2Eo= rg] On Behalf Of Markus Vester
Sent: Sunday, January 5, 2014 3:15 PM
To: = rsgb_lf_group@blacksheep=2Eorg
Cc: Paul
Subject: VLF: Opds-4H detections in Todmorden

 

Most who are interested in VLF = will be aware of the excellent work of Paul Nicholson, who is running a= very sensitive dual-loop receiver for VLF and natural radio in Todmord= en UK=2E He is also actively interested in monitoring man-made VLF sign= als, and has provided outstanding reception reports on several low-powe= r transmit experiments=2E

 

With the recent upsurge of tryi= ng to put Opera mode to work at VLF, Paul has kindly provided spectrum = data during announced Opera-4H transmissions from DJ8WX and myself=2E I= n Todmorden, signals from the two loops are continuously being digitize= d along with GPS time stamps=2E The loops were combined in software for= maximum SNR from the expected direction, and noise blanking was applie= d=2E Then relevant five-hour chunks were Fourier transformed (0=2E12 Hz= around 8970 Hz, 54=2E936 µHz bin width) and emailed to me=2E Her= e the files were fed to unmodified Opds correlation software, using a s= earch list containing nine callsigns from potential VLF transmit statio= ns http://dl=2Edropbox= usercontent=2Ecom/u/26404526/callsloc_vlf=2Etxt=2E This process has= resulted in four unambiguous hits:

 

Receiver: Paul Nicholson  = IO83XQ   Opds-4H   8969=2E94 - 8972=2E06 Hz
   date      time   call&n= bsp;  distance  frequency bandwidth  snr  &nbs= p; correlation
2014-01-02 06:14:01 DJ8WX    760km   8969=2E99= 7Hz   0mHz -54=2E1dBOp 100% 17=2E2dB
2014-01-02 01:50:49 DJ8WX    760km   8969=2E99= 7Hz   0mHz -55=2E0dBOp 100% 18=2E0dB
2014-01-01 16:36:38 DJ8WX    760km   8969=2E99= 0Hz   0mHz -53=2E6dBOp 100% 16=2E4dB
2014-01-01 14:22:32 DF6NM   1026km   8970=2E000Hz&n= bsp;  0mHz -59=2E1dBOp 100% 16=2E3dB

 

For comparison, my first two Op= -4H transmissions on Dec 31st had been successfully detected by Stefan = in Heidelberg, but have not produced sufficient SNR in Todmorden at the= time=2E

 

Receiver: DK7FC JN49IK VLF OPDS= -4H correlation  Range: 8969=2E87 =2E=2E=2E 8970=2E23 Hz
   date      time   call&n= bsp;  distance  frequency bandwidth  snr  &nbs= p; correlation
2013-12-31 22:30:04 DF6NM    175km   8970=2E00= 0Hz   0mHz -60=2E3dBOp  82% 14=2E2dB
2013-12-31 18:07:58 DF6NM    175km   8970=2E00= 0Hz   0mHz -58=2E3dBOp 100% 17=2E0dB

 

Today we were able to also extr= act transmissions on Uwe's new frequency 8270 Hz, although the SNR seem= ed not as good as before:

 

Receiver: Paul Nicholson  = IO83XQ   Opds-4H   8269=2E94 - 8272=2E06 Hz
   date      time   call&n= bsp;  distance  frequency bandwidth  snr  &nbs= p; correlation
2014-01-05 07:18:54 DJ8WX    760km   8270=2E00= 0Hz   0mHz -57=2E2dBOp  97% 15=2E1dB
2014-01-05 02:55:38 DJ8WX    760km   8270=2E00= 0Hz   0mHz -56=2E1dBOp 100% 14=2E4dB
2014-01-04 22:32:14 DJ8WX    760km   8270=2E00= 0Hz   0mHz -57=2E6dBOp 100% 12=2E8dB

 

Currently Uwe has another trans= mission ongoing, and the carrier is visible on Paul's spectrogram http:= //abelian=2Eorg/vlf/fbins2=2Eshtml#b=3D080&s=3Dsp
 
Many thanks to Paul, Uwe, Stefan, and all who have contributed to this = fine success!

 

Best 73,
Markus (DF6NM)
 

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