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[195.171.43.25]) by mx.google.com with ESMTP id bm3si3078412wjc.125.2014.02.07.14.40.58 for ; Fri, 07 Feb 2014 14:40:59 -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 (test mode) header.i=@comcast.net Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1WBtbH-0002Q0-Sp for rs_out_1@blacksheep.org; Fri, 07 Feb 2014 22:08:43 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1WBtbG-0002Pr-EY for rsgb_lf_group@blacksheep.org; Fri, 07 Feb 2014 22:08:42 +0000 Received: from qmta04.emeryville.ca.mail.comcast.net ([76.96.30.40]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1WBtbD-000506-95 for rsgb_lf_group@blacksheep.org; Fri, 07 Feb 2014 22:08:41 +0000 Received: from omta19.emeryville.ca.mail.comcast.net ([76.96.30.76]) by qmta04.emeryville.ca.mail.comcast.net with comcast id PXSt1n00G1eYJf8A4a8cnK; Fri, 07 Feb 2014 22:08:36 +0000 Received: from Owner ([166.137.181.4]) by omta19.emeryville.ca.mail.comcast.net with comcast id Pa8E1n00f065m8e01a8L7d; Fri, 07 Feb 2014 22:08:31 +0000 From: "hvanesce" To: References: <4D01645C0D6D4D8FAAE5EF4440494BD6@White> In-Reply-To: <4D01645C0D6D4D8FAAE5EF4440494BD6@White> Date: Fri, 7 Feb 2014 15:08:11 -0700 Message-ID: <102e01cf2451$21174dc0$6345e940$@comcast.net> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQLvJpw/vvWhxi0M64JmkD7eBz1wZgMTTd/RmFG4KFA= Content-Language: en-us DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20121106; t=1391810916; bh=xTjoq/6+nYIm3sQQz3srOEeyAlU1Dth0cOjTClESqr8=; h=Received:Received:From:To:Subject:Date:Message-ID:MIME-Version: Content-Type; b=D4oKOi/l43YLIrn7pXFR6YADxOZNT0EgjuwcvE2HrLmeKopXRBWgi0V4H4pXklWno 68jnNwjA1tpqiD2huU+3m9PEczIJmu2UI16G+NkgMg7+EeaR0PDHigSbdx0hg4xte2 VjvVnKAZOOXgcxRpFJrK9MheVadr/P7nbgJk8SZAOIUX0HAFO0+l67zhwPqcgdxCj4 lbjz5eI1fk3iHO8laaD6JtmiHy957GNOYJLDWuBTsGgZlKZO3wsw2qr0zWBnFc9J2i 3h+vOW23uJJTHE+RUDJNYpnVUFLpgJ6vdRTYtqwXShIhPH3TxtDMG5Z6CpsOyWhuqX eUwFzwc3TT4og== X-Spam-Score: -0.5 (/) 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: Markus, Great signal, congratulations. Was your ERP ~ 5uW? [...] Content analysis details: (-0.5 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [76.96.30.40 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hvanesce[at]comcast.net) -0.0 SPF_PASS SPF: sender matches SPF record -0.6 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 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: a2799f12179c7d1ab7a77465394402a4 Subject: RE: Re: VLF: 8270.002 Content-Type: multipart/alternative; boundary="----=_NextPart_000_102F_01CF2416.74B9D550" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=HTML_60_70,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 This is a multipart message in MIME format. ------=_NextPart_000_102F_01CF2416.74B9D550 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Markus, =20 Great signal, congratulations.=20 =20 Was your ERP ~ 5uW? =20 I had hoped to be operational (RX and TX) with the new stable oscillator last weekend but work and other nuisances interfered. I hope to complete that work this weekend, and try your TX stabilization technique next = week; all of your work in this area much appreciated. =20 73, Jim AA5BW =20 From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus Vester Sent: Friday, February 7, 2014 12:33 PM To: rsgb_lf_group@blacksheep.org Subject: Re: Re: VLF: 8270.002 =20 Uwe, yes - the left channel picks up the electric field near the = antenna, using a 20 cm piece of open wire (level about - 30dB at L1). Both = generators are active: the test signal generator feeds the phase reference to R5, = and the digimode terminal delivers the output to the PA through L5. =20 Lubos, I was positively surprised to see about 20 dB SNR on your = excellent Apollon temple receiver. =20 Peter, I think the signal did leave a 10 dB dash in your 238 =B5Hz = window. Not sure about that 47 uHz pixel, but the two-hour transmission would really = be too short for that bandwidth. =20 No trace yet on Stefan's new window, but this may well be due to the = midday propagation minimum which we have often experienced on 8970 before. =20 =20 Thank you all for the grabbers and comments! =20 Best 73, Markus (DF6NM) =20 From: uwe-jannsen@kabelmail.de=20 Sent: Friday, February 07, 2014 2:06 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: Re: VLF: 8270.002 =20 Hi Markus, so you feed the left channel with your eradiated signs via a piece of = wire ? what abt the signal generator and the digimode modulator, is one of them switched off? ga=20 Uwe =20 _____ =20 Von: rsgb_lf_group@blacksheep.org Gesendet: 07.02.2014 12:37 An: rsgb_lf_group@blacksheep.org Kopie: paul@abelian.netcom.co.uk Betreff: Re: VLF: 8270.002 _____ =20 =20 oops - that should be 8270.002! Old habits persist ;-) 73, Markus =20 From: Markus Vester =20 Sent: Friday, February 07, 2014 12:30 PM To: rsgb_lf_group@blacksheep.org=20 Cc: Paul =20 Subject: VLF: 8970.002 =20 I'm currently running a short test on 8970.002 Hz from 10 to 12 UT, = using SpecLab phase-locked to 1-pps. The antenna is swinging in the wind so = the current is a bit variable (0.25 to 0.3 A), but the feedback scheme = should keep the radiated phase steady. So far a good peak has become visible at OK2BVG. =20 Best 73, Markus =20 =20 ------=_NextPart_000_102F_01CF2416.74B9D550 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Markus,

 

Great signal, congratulations.

 

Was your ERP ~ 5uW?

 

I had hoped to be operational (RX and TX) with the new stable = oscillator last weekend but work and other nuisances interfered. I hope = to complete that work this weekend, and try your TX stabilization = technique next week; all of your work in this area much = appreciated.

 

73, Jim AA5BW

 

From:= = owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus = Vester
Sent: Friday, February 7, 2014 12:33 PM
To: = rsgb_lf_group@blacksheep.org
Subject: Re: Re: VLF: = 8270.002

 

Uwe, yes - = the left channel picks up the electric field near the antenna, using a = 20 cm piece of open wire (level about - 30dB at L1). Both = generators are active: the test signal generator feeds the phase = reference to R5, and the digimode terminal delivers the output to the PA = through L5.

 

Lubos, I was = positively surprised to see about 20 dB SNR on your excellent = Apollon temple receiver.

 

Peter, I = think the signal did leave a 10 dB dash in your 238 =B5Hz window. = Not sure about that 47 uHz pixel, but the = two-hour transmission would really be  too short for = that bandwidth.

 

No trace= yet on Stefan's new window, but this may well be due to the = midday propagation minimum which we have often experienced on 8970 = before.  

 

Thank you = all for the grabbers and comments!

 

Best = 73,

Markus = (DF6NM)

 <= /o:p>

Sent:= = Friday, February 07, 2014 2:06 PM

Subject: Re: Re: = VLF: 8270.002

 

Hi = Markus,

so you feed = the left channel with your eradiated signs via a piece of wire = ?

what abt the = signal generator and the digimode modulator, is one of them switched = off?

ga =

Uwe

 

Von: rsgb_lf_group@blacksheep.org=
Gesendet: 07.02.2014 12:37
An: rsgb_lf_group@blacksheep.org=
Kopie: paul@abelian.netcom.co.ukBetreff: Re: VLF: 8270.002

 

oops - that = should be 8270.002! Old habits persist ;-) 73, = Markus

 <= /o:p>

From:= Markus Vester =

Sent:= Friday, = February 07, 2014 12:30 PM

Cc: Paul =

Subject: VLF: = 8970.002

 

I'm = currently running a short test on 8970.002 Hz from 10 to 12 UT, = using SpecLab phase-locked to 1-pps. The antenna is swinging = in the wind so the current is a bit variable (0.25 to 0.3 A), but the = feedback scheme should keep the radiated phase steady. So = far a good peak has become visible at = OK2BVG.

 

Best = 73,

Markus

 

 

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