Return-Path: Received: from mtain-dg03.r1000.mx.aol.com (mtain-dg03.r1000.mx.aol.com [172.29.65.11]) by air-md04.mail.aol.com (v129.4) with ESMTP id MAILINMD044-8b834d18968529c; Mon, 27 Dec 2010 08:37:09 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dg03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 6E746380000BC; Mon, 27 Dec 2010 08:37:05 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PXDEp-0002h7-44 for rs_out_1@blacksheep.org; Mon, 27 Dec 2010 13:35:47 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PXDEo-0002gy-Es for rsgb_lf_group@blacksheep.org; Mon, 27 Dec 2010 13:35:46 +0000 Received: from imr-db03.mx.aol.com ([205.188.91.97]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PXDEl-00013W-G2 for rsgb_lf_group@blacksheep.org; Mon, 27 Dec 2010 13:35:46 +0000 Received: from mtaout-db05.r1000.mx.aol.com (mtaout-db05.r1000.mx.aol.com [172.29.51.197]) by imr-db03.mx.aol.com (8.14.1/8.14.1) with ESMTP id oBRDZPeJ019075 for ; Mon, 27 Dec 2010 08:35:25 -0500 Received: from White (nrbg-4dbfb3e7.pool.mediaWays.net [77.191.179.231]) by mtaout-db05.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 1A5CBE000101 for ; Mon, 27 Dec 2010 08:35:18 -0500 (EST) Message-ID: From: "Markus Vester" To: References: Date: Mon, 27 Dec 2010 14:35:19 +0100 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 X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,MAILTO_TO_SPAM_ADDR=0.276 Subject: Re: LF: VLF - G3XIZ - QRT Content-Type: multipart/alternative; boundary="----=_NextPart_000_004E_01CBA5D3.495E9950" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=HTML_40_50,HTML_FONTCOLOR_BLUE, HTML_MESSAGE,MAILTO_TO_SPAM_ADDR,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-sid: 3039ac1d410b4d1896802ef9 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_004E_01CBA5D3.495E9950 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Chris, Dave and group, I have temporarily shifted the 0.95 milliHz spectrogram at http://www.= mydarc.de/df6nm/vlf/vlfgrabber.htm to your QRG, but no significant tra= ce so far. With a couple ef 100 milliamps up a balloon borne wire, the= re would have been a very real chance for a detection. Hope you can ge= t that coil fixed! But I would suggest to go way slower - forget about QRSS-10, and start= thinking about many minutes or hours of coherent carrier transmission= ;-) My multi-hour transmissions in October were sent from a similar= sized backyard antenna, and were clearly detected both by Stefan in= Heidelberg at about 180 km and by Paul in Todmorden at 1027 km, using= about 40 microHz resolution. Wishing the best of luck, 73, Markus (DF6NM) From: Dave G3WCB.=20 Sent: Monday, December 27, 2010 1:51 PM To: rsgb_lf_group@blacksheep.org=20 Subject: RE: LF: VLF - G3XIZ - QRT Graham, see Markus' post below:- From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, October 09, 2010 8:09 PM Subject: Re: LF: Re: Transmitting on 8969.998 Hz Thanks a lot Stefan for this nice confirmation! I'm quite amazed that= it did work so well. And congratulations to you - as they say, with= QRP all the hard work is being done on the receiving side! And I reca= ll our conversation not long ago, when the two of us half-jokingly cal= culated that we could probably work each other at one bit a day ;-) The amazing thing is that virtually everybody can do this. For transmi= tting, all you need is an average LF backyard marconi, or a strapped= 80 m dipole with reasonable insulation. We actually live on a fairly= small plot, and I have 42 m of wire up at about 7m effective height.= A power of 80 W gives around 0.28 A (ie. 21 kV antenna voltage). Than= ks to Spectrum Lab, accurate GPS or MSK stabilisation has become almos= t straightforward. I have stopped the transmitter now at 18:00, as I do not dare to let= it run through the night. If conditions allow, I will try to add anot= her dash tomorrow ;-) Best regards, Markus (DF6NM) -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group= @blacksheep.org]On Behalf Of Graham Sent: 27 December 2010 12:45 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: VLF - G3XIZ - QRT What was the Ae / power set up used by Markus then ?=20 From: Dave G3WCB.=20 Sent: Monday, December 27, 2010 12:34 PM To: rsgb_lf_group@blacksheep.org=20 Subject: RE: LF: VLF - G3XIZ - QRT Chris, Tough luck with the Loading Coil. I'm really surprised that you didn= 't make 11 km...Markus managed 20km plus in his tests in October. Nil desperandum! 73, Dave G3WCB -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_gro= up@blacksheep.org]On Behalf Of Andy Talbot Sent: 27 December 2010 12:29 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: VLF - G3XIZ - QRT At what time did you turn off? Take a look at http://www.g4jnt.com/DownLoad/XIZ_1.jpg where ther= e is just the faintest line at the right frequency - looking in a band= width of 0.05Hz. (The other point labelled is wher ei inject a frequency 10Hz highe= r at the start to check frequency cal) If it is genuine, and not just a spuron, then QRSS 60 would probab= ly show results. Its still running to see if that just-possible line has now clearl= y gone. Andy www.g4jnt.com =20 On 27 December 2010 12:20, Chris Osborn wrote: Thanks for your efforts chaps. I had definite QRSS-3 confirmation from Dennis M0JXM at 1.5 km= but Pete M0FMT at 11 km had no copy. I have developed an intermittent short-circuit problem with the= loading coil and will QRT now. I'll notify via the reflector when transmitting again. 73 Chris XIZ ----------------------------------------------------------------------= ---- From: James Moritz To: rsgb_lf_group@blacksheep.org Sent: Mon, 27 December, 2010 11:44:17 Subject: LF: Re: VLF - G3XIZ Dear Chris, LF Group, The VLF RX has been running since 1130 - Nothing seen yet. Cheers, Jim Moritz 73 de M0BMU ------=_NextPart_000_004E_01CBA5D3.495E9950 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Chris, Dave and group,
 
I have temporarily shifted the 0.95= milliHz=20 spectrogram at http://www.mydarc.de/df6n= m/vlf/vlfgrabber.htm to= your QRG, but no significant trace so far. With=20 a couple ef 100 milliamps up a balloon borne wire, there wou= ld have=20 been a very real chance for a detection. Hope you=20 can get that coil fixed!
 
But I wou= ld suggest to=20 go way slower - forget about QRSS-10, and start thinking=20 about many minutes or hours of coherent carrier transmission= ;-)=20 My multi-hour transmissions= in October=20 were sent from a similar sized backyard antenna, and were clearly dete= cted both=20 by Stefan in Heidelberg at about 180 km and by Paul in Todmorden&= nbsp;at=20 1027 km, using about 40 microHz resolution.
 
Wishing the best of luck,
 
73, Markus (DF6NM)
 

Sent: Monday, December 27, 2010 1:51 PM
Subject: RE: LF: VLF - G3XIZ - QRT
=
Graham,
 
see=20 Markus' post below:-
 
From: Markus Vester=20
Sent: Saturday, October 09, 201= 0 8:09=20 PM
Subject: Re: LF: Re: Transmitti= ng on=20 8969.998 Hz
=
Thanks a lot Stefan for this nice con= firmation! I'm=20 quite amazed that it did work so well. And congratulations to you - as= they say,=20 with QRP all the hard work is being done on the receiving side! A= nd I=20 recall our conversation not long ago, when the two of us half-jokingly= =20 calculated that we could probably work each other at one bit a da= y=20 ;-)
 
The amazing thing is that v= irtually=20 everybody can do this. For transmitting, all you need is an average=20 LF backyard marconi, or a strapped 80 m dipole with reasonable in= sulation.=20 We actually live on a fairly small plot, and I have 42 m of wire&= nbsp;up=20 at about 7m effective height. A power of 80 W gives&nbs= p;around=20 0.28 A (ie. 21 kV antenna voltage). Thanks to Spectrum= Lab,=20 accurate GPS or MSK stabilisation has become almost=20 straightforward.
 
I have stopped the transmitter now at= 18:00, as I=20 do not dare to let it run through the night. If conditions allow, I wi= ll try to=20 add another dash tomorrow ;-)
 
Best regards,
Markus (DF6NM)
 
-----Original Message-----
From:=20 owner-rsgb_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of=20 Graham
Sent: 27 December 2010 12:45
To:=20 rsgb_lf_group@blacksheep.org
Subject: Re: LF: VLF - G3XIZ= -=20 QRT

What was the  Ae  / power= set  up=20 used by  Markus then ?

Sent: Monday, December 27, 2010 12:34 PM
Subject: RE: LF: VLF - G3XIZ - QRT
=
Chris,
 
Tough luck with the Loading Coil. I'm really=20 surprised that you didn't make 11 km...Markus managed 20km plus = ;in his=20 tests in October.
 
Nil=20 desperandum!
 
73,=20 Dave G3WCB
-----Original Message-----
From:= owner-rsg= b_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of And= y=20 Talbot
Sent: 27 December 2010 12:29
To: rsgb_lf_group@blacks= heep.org
Subject:=20 Re: LF: VLF - G3XIZ - QRT

At what time  did you turn off?
 
Take a look at http://www.g4jnt.com/DownLoad/XIZ_1.jpg  whe= re=20 there is just the faintest line at the right frequency - looking= in a=20 bandwidth of 0.05Hz.
 
(The other point labelled is wher ei inject a frequency 10Hz= higher at=20 the start to check frequency cal)
 
If it is genuine, and not just a spuron, then QRSS 60 would= probably=20 show results.
 
Its still running to see if that just-possible line has now= clearly=20 gone.
 
Andy
 
 
 


 
On 27 December 2010 12:20, Chris Osborn= <= g3xiz@yahoo.co.uk> wrote:
Thanks for your efforts chaps.

I had definite QRSS-3= =20 confirmation from Dennis M0JXM at 1.5 km but Pete M0FMT at 11 km=
had no=20 copy.

I have developed an intermittent short-circuit prob= lem with=20 the loading coil and will QRT now.

I'll notify via the re= flector=20 when transmitting again.

73 Chris XIZ



From: James Mori= tz <james.moritz@btopenworld.com>
To: rsgb_lf_g= roup@blacksheep.org
Subject:= LF: Re:=20 VLF - G3XIZ

Dear Chris, LF Group,

The VLF= RX has been=20 running since 1130 - Nothing seen yet.

Cheers, Jim Moritz=
73 de=20 M0BMU



=


------=_NextPart_000_004E_01CBA5D3.495E9950--