Return-Path: Received: from mtain-df11.r1000.mx.aol.com (mtain-df11.r1000.mx.aol.com [172.29.64.223]) by air-di06.mail.aol.com (v129.4) with ESMTP id MAILINDI063-eacc4cb0e6da252; Sat, 09 Oct 2010 18:04:10 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-df11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 7C23B38000094; Sat, 9 Oct 2010 18:04:08 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1P4hUX-0007f9-43 for rs_out_1@blacksheep.org; Sat, 09 Oct 2010 23:02:09 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1P4hUW-0007f0-Fe for rsgb_lf_group@blacksheep.org; Sat, 09 Oct 2010 23:02:08 +0100 Received: from nm13-vm0.bullet.mail.ukl.yahoo.com ([217.146.183.248]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1P4hUW-0006q5-C7 for rsgb_lf_group@blacksheep.org; Sat, 09 Oct 2010 23:02:08 +0100 Received: from [217.146.183.180] by nm13.bullet.mail.ukl.yahoo.com with NNFMP; 09 Oct 2010 22:02:02 -0000 Received: from [217.146.183.178] by tm11.bullet.mail.ukl.yahoo.com with NNFMP; 09 Oct 2010 22:02:01 -0000 Received: from [127.0.0.1] by omp1019.mail.ukl.yahoo.com with NNFMP; 09 Oct 2010 22:02:01 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 39521.25484.bm@omp1019.mail.ukl.yahoo.com Received: (qmail 39016 invoked by uid 60001); 9 Oct 2010 22:02:00 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.uk; s=s1024; t=1286661720; bh=unQEOi30iHjCYtydNn3AfL3YQmi+MmIPsF9Cid+kSrw=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=NwTsL7uDRwsbVrAls8220RuNPrYQffHI0tpjG6ilbFLta3FmhGYHZKP/QsuT/CEj61wvAzrt+DOIBG/k0NDwW0YeGt0IPdgLWHPJf6IhGeZgbxWHb3Op6xPVPWiLo30+GAOC2v04opTE4K3EQNJdY1B3Af0qg1NVtRNFExKOyok= DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.co.uk; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=uoWMYkBikRIcA50vi/207JWHhBkbMPm4IJ58xA07lgQN5BYbeadRVdLmUG5pwPpxXyH4cEnGUBFRXbNyf9R0IBu82n9JNrvVizi/D2wm/8X79y/18DJ9LHukk7h4WPQgyYysRET2xuBP3YGg6XDiOhUaOkTiJeNR1aKJcm/tQXI=; Message-ID: <872073.38638.qm@web28108.mail.ukl.yahoo.com> X-YMail-OSG: 8I6VdCUVM1kNzkyMBBNEA0ynOHgJseDBzwkFg38pkCr6NtR 6LA7IxhQslk2A5oZB6K0XQjlyQ6wmvMreE.1TTAkFNjDjseIKm22RcHxWXh2 CJ4_v1RTXyH_wDnwEsRWR3CuMjya8B.kN5454TEg9tdIQgC_BY.YkNoHy5yA Ho3Tqb0Zk_BasaW37w0nHaCoSO9wrpXVd80mwEcCjSuJ1YwQ2xOBdcDbZACG B5W5_eJYJQlFZpJ7UrlBpPa5KWRUfOZcAOxTEPwSDPe97GOuElzAH Received: from [86.137.113.56] by web28108.mail.ukl.yahoo.com via HTTP; Sat, 09 Oct 2010 23:02:00 BST X-Mailer: YahooMailClassic/11.4.9 YahooMailWebService/0.8.106.282862 Date: Sat, 9 Oct 2010 23:02:00 +0100 (BST) From: M0FMT To: rsgb_lf_group@blacksheep.org In-Reply-To: <1B1A499CA0094E91BB4FAA35EE4CB8B1@Black> MIME-Version: 1.0 DomainKey-Status: good (testing) Subject: Re: VLF: Transmit hardware Content-Type: multipart/alternative; boundary="0-86721142-1286661720=:38638" 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_30_40,HTML_MESSAGE 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: mail_rly_antispam_dkim-m270.2 ; domain : yahoo.co.uk DKIM : pass x-aol-sid: 3039ac1d40df4cb0e6d81b24 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none --0-86721142-1286661720=:38638 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi Markus =A0 Thanks for the pics. =A0 I like your style! =A0 XYL has warned no coils on the roof here!............. hee. 73 es GL petefmt I support www.NotSpotTelecom.Com your community Telco / ISP. --- On Sat, 9/10/10, Markus Vester wrote: From: Markus Vester Subject: VLF: Transmit hardware To: rsgb_lf_group@blacksheep.org Date: Saturday, 9 October, 2010, 19:48 BTW=A0Attached are a few small pictures of the transmit gear. 73, Markus =A0 ----- Original Message -----=20 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!=A0And I recall our con= versation not long ago, when the two of us half-jokingly calculated that= we could probably work each other=A0at one bit a day ;-) =A0 The=A0amazing thing is that=A0virtually everybody can do this. For transmi= tting, all you need is an average LF=A0backyard marconi, or a strapped 80= m dipole with reasonable insulation. We actually live on a fairly small= plot, and I have=A042 m of wire=A0up at=A0about 7m effective height.=A0A= power of 80 W=A0gives=A0around 0.28 A=A0(ie. 21 kV antenna voltage).=A0Th= anks to=A0Spectrum Lab, accurate GPS or MSK stabilisation has become almos= t straightforward. =A0 I have stopped the transmitter now at 18:00, as I do not dare to let it ru= n through the night. If conditions allow, I will try to add another dash= tomorrow ;-) =A0 Best regards, Markus (DF6NM) =A0 =20 --0-86721142-1286661720=:38638 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Hi Markus
 
Thanks for the pics.
 
I like your style!
 
XYL has warned no coils on the roof here!............. hee.

73= es GL petefmt

I support www.NotSpotTelecom.Com your community Telc= o / ISP.

--- On Sat, 9/10/10, Markus Vester <markusvester@= aol.com> wrote:

From: Markus Vester <markusvester@aol.com&g= t;
Subject: VLF: Transmit hardware
To: rsgb_lf_group@blacksheep.org<= BR>Date: Saturday, 9 October, 2010, 19:48

BTW Attached are a few small picture= s of the transmit gear. 73, Markus
 
----- Original Message -----
Sent: Saturday, October 09, 2010 8:= 09 PM
Subject: Re: LF: Re: Transmitting= on 8969.998 Hz

Thanks a lot Stefan for this nice confirm= ation! 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 receiv= ing side! And I recall our conversation not long ago, when the two of= us half-jokingly calculated that we could probably work each other a= t one bit a day ;-)
 
The amazing thing is that virtu= ally everybody can do this. For transmitting, all you need is an average= LF backyard marconi, or a strapped 80 m dipole with reasonable insul= ation. We actually live on a fairly small plot, and I have 42 m of wi= re up at about 7m effective height. A power of 80 W gi= ves around 0.28 A (ie. 21 kV antenna voltage). Thanks to&nb= sp;Spectrum Lab, accurate GPS or MSK stabilisation has become almost strai= ghtforward.
 
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 another dash tomorrow ;-)
 
Best regards,
Markus (DF6NM)
 

=20 --0-86721142-1286661720=:38638--