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[195.171.43.25]) by mx.google.com with ESMTP id yn7si18706538wjc.111.2013.12.31.08.56.13 for ; Tue, 31 Dec 2013 08:56:14 -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 1Vy2U7-0003QM-7k for rs_out_1@blacksheep.org; Tue, 31 Dec 2013 16:48:03 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Vy2U6-0003QD-CE for rsgb_lf_group@blacksheep.org; Tue, 31 Dec 2013 16:48:02 +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 1Vy2U3-0003I2-7U for rsgb_lf_group@blacksheep.org; Tue, 31 Dec 2013 16:48:01 +0000 Received: from AGB ([2.27.183.20]) by mwinf5d69 with ME id 8Gnu1n00E0Sp05N03GnuFT; Tue, 31 Dec 2013 17:47:58 +0100 Message-ID: From: "Graham" To: References: <22eb2d00381e4cfb8073d9c9dc4c9e20@kabelmail.de> In-Reply-To: <22eb2d00381e4cfb8073d9c9dc4c9e20@kabelmail.de> Date: Tue, 31 Dec 2013 16:47:52 -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: 0.0 (/) 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: Yes . may be the best idea ! Good luck with the race to 8 hihi All the best for 2014 [...] Content analysis details: (0.0 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 X-Scan-Signature: 7d8aac8bf60ef4e452a654c97cf55e40 Subject: Re: Re: Re: VLF: Uwe Opera-4H Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D9_01CF0648.0BFA51C0" 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 Status: O X-Status: X-Keywords: X-UID: 3486 This is a multi-part message in MIME format. ------=_NextPart_000_00D9_01CF0648.0BFA51C0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Yes . may be the best idea ! Good luck with the race to 8 hihi All the best for 2014 =20 73-Graham G0NBD From: uwe-jannsen@kabelmail.de=20 Sent: Tuesday, December 31, 2013 4:42 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: Re: Re: VLF: Uwe Opera-4H Hi all, my home is crowded by people I don=92t know partly. I think it is = necessary to stop the transmission before they make acquaintance with = Mr. Tessla. So I switch off the TX after this sequence, More next year, GL Uwe/dj8wx -------------------------------------------------------------------------= ------- Von: rsgb_lf_group@blacksheep.org Gesendet: 31.12.2013 16:42 An: rsgb_lf_group@blacksheep.org Betreff: Re: Re: VLF: Uwe Opera-4H -------------------------------------------------------------------------= ------- Hi Wolf, hoping you will have success. I think it all depends on usisng a good (resonant?) aerial. GL and hny Uwe/dj8wx -------------------------------------------------------------------------= ------- Von: rsgb_lf_group@blacksheep.org Gesendet: 31.12.2013 13:20 An: rsgb_lf_group@blacksheep.org Betreff: Re: VLF: Uwe Opera-4H -------------------------------------------------------------------------= ------- Hello Uwe, At least, the dominant peak in the 'long-term' average spectrum = (collected between last midnight and this morning) was right on spot, = precisely on your frequency. I was using GBZ as frequency reference on = the netbook. Will leave it running until next year.. Thanks and GL, Wolf . Am 31.12.2013 13:07, schrieb uwe-jannsen@kabelmail.de: Hi Peter, Graham and Markus, when Im really dreaming the Fade becomes zero. Pse see:=20 http://dj8wx-dl.de/opera5.jpg=20 the TX is still on the air. Pse try your best,=20 GL and hny=20 Uwe/dj8wx -------------------------------------------------------------------------= ----- Von: rsgb_lf_group@blacksheep.org Gesendet: 31.12.2013 11:43 An: rsgb_lf_group@blacksheep.org Betreff: Re: VLF: Uwe Opera-4H -------------------------------------------------------------------------= ----- Unfortunately no copy from Uwe, here in JO42FD using the broadband VLF = E-field receiver at DF0WD and 0.5 mHz FFT bin width.. Hny and cul, Wolf. Am 31.12.2013 10:18, schrieb PA1SDB, Peter: Uwe, This message (below) came in my mail box at 08:42 UTC today = (31-Dec-13) 73's Peter.. ----- Original Message -----=20 From: uwe-jannsen@kabelmail.de=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Monday, December 30, 2013 2:46 PM Subject: Re: Re: VLF: Uwe Opera-4H HI Peter, I changed the TX QRG to 8912.5Hz running SpecLab in Op-4H (ASK0) = mode and made a first test with positive result.=20 the RX was located in 3km distance - Opera v.1.5.0 , RX aerial a = 10m wire connected to the soundcard. =20 TX output pwr about 1W. pse see: http://dj8wx-dl.de/opera3.jpg=20 I think we should have a try as you are my nearest station rxing = VLF.=20 Now Im increasing the PA output pwr to 500Wrms.=20 GL=20 Uwe/dj8wx =20 -------------------------------------------------------------------------= - Von: rsgb_lf_group@blacksheep.org Gesendet: 29.12.2013 09:45 An: rsgb_lf_group@blacksheep.org Betreff: Re: VLF: Uwe Opera-4H -------------------------------------------------------------------------= - Hello Uwe, Markus, VLF Nothing was seen or detected here from your transmission in OPERA = mode either.. No recognizable trace at all. While you're continuous unmodulated signal almost overloads my = soundcard input. 73's Peter - PA1SDB ----- Original Message -----=20 From: uwe-jannsen@kabelmail.de=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, December 28, 2013 9:08 PM Subject: Re: VLF: Uwe Opera-4H yes Markus, I have had the screen showing the SecLab components = in my focus whilst doing other jobs - for hours. Now the carrier only mode is on the air.=20 Until next test=20 GL Uwe/dj8wx ------------------------------------------------------------------------ Von: rsgb_lf_group@blacksheep.org Gesendet: 28.12.2013 19:07 An: rsgb_lf_group@blacksheep.org Betreff: VLF: Uwe Opera-4H ------------------------------------------------------------------------ Uwe, sorry, nothing was seen or detected here from your transmission = today. Not a trace. Der erste Versuch ist meist nicht genuch (Didi = Drahtlos).=20 Yes I noticed the good trace on Paul Nicholson's spectrogram = http://abelian.org/vlf/fbins.shtml#p=3D1388246400&b=3D080&s=3Dsp. Just = look at it the other way round: You did send a long carrier, only with = some short interruptions. But the gaps were so short that the spectrum = didn't notice them ;-)=20 More seriously: Compared to a continuous carrier, with 50% duty = cycle the carrier component is still there but 6 db down (half average = voltage). In terms of power, on average you are spending 50% of the = power. 25% (-6 dB) goes to the central carrier, and the other 25% into = the AM sidebands carrying the message. =20 What I find strange is that the spectrogram trace seems to have = jumped 28 mHz low, once near the beginning and again for an hour around = 14:30. Are you sure that your samplerate correction had been engaged = without interruption? Best 73, Markus (DF6NM) From: uwe-jannsen@kabelmail.de=20 Sent: Saturday, December 28, 2013 3:05 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: Re: LF: Sending Opera with SpecLab OK., Markus, but the Todmorden grabber shows the signs.its a = surprise for me. I didnt expect it samples such relative short signs. GL Uwe/dj8wx tks for the correction. ------------------------------------------------------------------------ Von: rsgb_lf_group@blacksheep.org Gesendet: 28.12.2013 12:47 An: rsgb_lf_group@blacksheep.org Betreff: Re: LF: Sending Opera with SpecLab ------------------------------------------------------------------------ Uwe, good news! I'm watching and searching ;-)=20 Background noise seems to be a few dB higher than the last = couple of days, but we'll see what's possible anyway. Unfortunately the = OK2BVG grabber website appears to be down at the moment. Good luck! 73, Markus (DF6NM) PS: In my original mail, the Op-8 line in the speed table = erroneously contained an entry for Op-4. This has been corrected = beneath. =20 From: uwe-jannsen@kabelmail.de=20 Sent: Saturday, December 28, 2013 12:14 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Sending Opera with SpecLab Hi all, the PA has been switched on. the next txt block will start now. GL Uwe/dj8wx ------------------------------------------------------------------------ Von: rsgb_lf_group@blacksheep..org Gesendet: 27.12.2013 15:47 An: rsgb_lf_group@blacksheep..org Betreff: Re: Re: LF: Sending Opera with SpecLab ------------------------------------------------------------------------ Hi Markus, Wolf, Stefan, Peter es all, tks for the advice, Markus=20 now SpecLab is beaconing in mode Op-4H on 8969.99Hz the PA is off until it is dry outside.=20 I keep your proposal txing btwn 0700 and 1400MEZ in mind, = Markus. GL=20 Uwe/dj8wx/dj8CAT ------=_NextPart_000_00D9_01CF0648.0BFA51C0 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Yes . may be the best  idea !
 
Good luck  with the  race to 8  hihi
 
All the  best  for  2014 
 
73-Graham
G0NBD

From: uwe-jannsen@kabelmail.de =
Sent: Tuesday, December 31, 2013 4:42 PM
Subject: Re: Re: Re: VLF: Uwe Opera-4H

Hi all,

my home is crowded by people I don=92t know = partly.=20  I think it is necessary to stop the = transmission=20 before they make acquaintance with Mr. Tessla.

So I switch off the TX after this sequence,

More next year,

GL

Uwe/dj8wx


Von: rsgb_lf_group@blacksheep.org=
Gesendet:=20 31.12.2013 16:42
An: rsgb_lf_group@blacksheep.org=
Betreff:=20 Re: Re: VLF: Uwe Opera-4H

Hi=20 Wolf,
hoping you will have success.
I think it all depends on = usisng a=20 good (resonant?) aerial.
GL and hny
Uwe/dj8wx
Von: rsgb_lf_group@blacksheep.org
Gesendet: 31.12.2013 13:20
An:=20 rsgb_lf_group@blacksheep.org
Betreff: Re: VLF: Uwe Opera-4H

Hello Uwe,

At least, the dominant = peak in the=20 'long-term' average spectrum (collected between last midnight and this = morning)=20 was right on spot, precisely on your frequency. I was using GBZ as = frequency=20 reference on the netbook.
Will leave it running until next=20 year..

Thanks and GL,
  Wolf .

Am 31.12.2013 = 13:07,=20 schrieb uwe-jannsen@kabelmail.de:

Hi Peter, Graham and Markus,

when Im really dreaming the Fade becomes zero. Pse = see:

http://dj8wx-dl.de/opera5.jpg =

the TX is still on the air.  Pse try your=20 best,

GL and hny

Uwe/dj8wx


Von: rsgb_lf_group@blacksheep.org=
Gesendet:=20 31.12.2013 11:43
An: rsgb_lf_group@blacksheep.org=
Betreff:=20 Re: VLF: Uwe Opera-4H

Unfortunately no copy from Uwe, here in = JO42FD=20 using the broadband VLF E-field receiver at DF0WD and 0.5 mHz FFT bin=20 width..

Hny and cul,
  Wolf.

Am 31.12.2013 = 10:18,=20 schrieb PA1SDB, Peter:
Uwe,
This message = (below) came in my=20 mail box at 08:42 UTC today (31-Dec-13)
 
73's Peter..
 
 
 
 
----- Original Message -----
To: rsgb_lf_group@blacksheep.org
Sent: Monday, = December 30,=20 2013 2:46 PM
Subject: Re: Re: = VLF: Uwe=20 Opera-4H

HI Peter,

I changed the TX QRG to 8912.5Hz running = SpecLab in=20 Op-4H (ASK0) mode and made a first test with positive = result.

the RX was located in 3km distance - Opera v.1.5.0 , RX = aerial a=20 10m wire connected to the soundcard.   

TX output pwr about 1W.  pse see:

http://dj8wx-dl.de/opera3.jpg =

I think we should have a try as you are my = nearest=20 station rxing VLF.

Now Im increasing the PA output pwr to = 500Wrms.=20

GL

Uwe/dj8wx  


Von: rsgb_lf_group@blacksheep.org
Gesendet:=20 29.12.2013 09:45
An: rsgb_lf_group@blacksheep.org
Betreff: = Re:=20 VLF: Uwe Opera-4H

Hello Uwe, Markus,=20 VLF
 
Nothing was seen or = detected here=20 from your transmission in OPERA mode either..
No = recognizable trace at=20 all.
While = you're continuous=20 unmodulated signal almost overloads my soundcard = input.
 
73's Peter - = PA1SDB
 
 
 
----- Original Message ----- =
From: uwe-jannsen@kabelmail.de
To: rsgb_lf_group@blacksheep.org
Sent: Saturday, = December=20 28, 2013 9:08 PM
Subject: Re: = VLF: Uwe=20 Opera-4H


yes Markus, I have had the screen showing the = SecLab=20 components in my focus whilst doing  other jobs - for=20 hours.

Now the carrier only mode is on the = air.=20

Until next test

GL

Uwe/dj8wx


Von: rsgb_lf_group@blacksheep.org
Gesendet:=20 28.12.2013 19:07
An: rsgb_lf_group@blacksheep.org
Betreff: = VLF:=20 Uwe Opera-4H

Uwe,
 
sorry, = nothing=20 was seen or detected here from your transmission today. Not = a=20 trace. Der = erste=20 Versuch ist meist nicht genuch (Didi=20 Drahtlos). 
 
Yes I = noticed the=20 good trace on Paul Nicholson's spectrogram http://abelian.org/vlf/fbins.shtml#p=3D138824640= 0&b=3D080&s=3Dsp.=20 Just = look at it=20 the other way round: You did send a long carrier, only with some = short=20 interruptions. But the gaps were so short that the spectrum = didn't=20 notice them ;-) 
 
More = seriously:=20 Compared to a=20 continuous carrier, with 50% duty cycle = the=20 carrier component is still there but 6 db down (half average = voltage).=20 In terms of power, on average you are spending 50% of the=20 power. 25% (-6 dB) goes to the central carrier, = and the=20 other 25% into the AM sidebands carrying the=20 message.    
 
What I=20 find strange is that the spectrogram trace seems = to have=20 jumped 28 mHz low, once near the beginning and = again for=20 an hour around 14:30. Are you sure that your samplerate = correction=20 had been engaged without interruption?
 
Best=20 73,
Markus=20 (DF6NM)
 

From: uwe-jannsen@kabelmail.de
Sent: Saturday, December 28, 2013 3:05 = PM
To: rsgb_lf_group@blacksheep.org
Subject: Re: Re: LF: Sending Opera with=20 SpecLab

OK.,=20 Markus, but the Todmorden grabber shows the signs.its a surprise = for me.=20 I didnt expect it samples such relative short=20 signs.
GL
Uwe/dj8wx
tks for the correction.
Von: rsgb_lf_group@blacksheep.org
Gesendet:=20 28.12.2013 12:47
An: rsgb_lf_group@blacksheep.org
Betreff: = Re:=20 LF: Sending Opera with SpecLab

Uwe,
 
good news!=20 I'm watching and searching ;-) 
 
Background noise=20 seems to be a few dB higher than the last couple of days, = but we'll=20 see what's possible anyway. Unfortunately the = OK2BVG=20 grabber website appears to be down at the moment.
 
Good=20 luck!
 
73, = Markus=20 (DF6NM)
 
PS: In = my=20 original mail, the Op-8 line in the speed = table erroneously=20 contained an entry for Op-4. This has been corrected=20 beneath.  
 

From: uwe-jannsen@kabelmail.de
Sent: Saturday, December 28, 2013 12:14 = PM
To: rsgb_lf_group@blacksheep.org
Subject: LF: Sending Opera with=20 SpecLab

Hi=20 all,
the PA has been switched on. the next txt block will = start=20 now.
GL
Uwe/dj8wx
Von: rsgb_lf_group@blacksheep..org
Gesendet:=20 27.12.2013 15:47
An: rsgb_lf_group@blacksheep..org
Betreff: = Re:=20 Re: LF: Sending Opera with SpecLab

Hi Markus, Wolf, Stefan, Peter es all,

tks for the=20 advice, Markus

now SpecLab is beaconing in mode Op-4H on=20 8969.99Hz

the PA is off until it is dry outside.

I keep your proposal  txing btwn 0700 and 1400MEZ = in mind,=20 Markus.

GL

Uwe/dj8wx/dj8CAT

=

 



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