Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-di02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4DFAF38000093; Sun, 10 Feb 2013 05:23:36 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1U4TW3-0004kR-Ja for rs_out_1@blacksheep.org; Sun, 10 Feb 2013 09:48:07 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1U4TW2-0004kI-TL for rsgb_lf_group@blacksheep.org; Sun, 10 Feb 2013 09:48:06 +0000 Received: from cpsmtpb-ews05.kpnxchange.com ([213.75.39.8]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1U4TVz-0005ZF-EI for rsgb_lf_group@blacksheep.org; Sun, 10 Feb 2013 09:48:05 +0000 Received: from cpsps-ews16.kpnxchange.com ([10.94.84.197]) by cpsmtpb-ews05.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Sun, 10 Feb 2013 10:46:25 +0100 Received: from CPSMTPM-TLF102.kpnxchange.com ([195.121.3.5]) by cpsps-ews16.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Sun, 10 Feb 2013 10:46:25 +0100 Received: from Extensa ([195.241.183.120]) by CPSMTPM-TLF102.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Sun, 10 Feb 2013 10:47:41 +0100 Message-ID: From: "PA1SDB, Peter" To: References: <6b8d8b84d77547d094151def56123158@kabelmail.de> <5116DEFE.90801@psk31.plus.com> In-Reply-To: <5116DEFE.90801@psk31.plus.com> Date: Sun, 10 Feb 2013 09:47:40 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18416 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18645 X-OriginalArrivalTime: 10 Feb 2013 09:47:41.0803 (UTC) FILETIME=[AB5E23B0:01CE0773] X-RcptDomain: blacksheep.org X-Spam-Score: 3.8 (+++) 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 Uwe, I think last night was best result ever. Very bright and solid trace in my spectogram. I wonder if it is possible to improof frequency stabillity inside Spectrum lab by tuning the Frequency error compensation parameters? I use 22.1 KHz as source. [...] Content analysis details: (3.8 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [213.75.39.8 listed in list.dnswl.org] 1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) 0.0 HTML_MESSAGE BODY: HTML included in message 2.8 AXB_XMAILER_MIMEOLE_OL_B11B5 AXB_XMAILER_MIMEOLE_OL_B11B5 X-Scan-Signature: 609894e10e2d71b5adf7e0bb883c7717 Subject: LF: 8970.022 last night (sat/sun) Content-Type: multipart/alternative; boundary="----=_NextPart_000_0CBE_01CE0773.AAEC7620" 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 x-aol-global-disposition: G x-aol-sid: 3039ac1da60651177527124f X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_0CBE_01CE0773.AAEC7620 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 8bit Hi Uwe, I think last night was best result ever. Very bright and solid trace in my spectogram. I wonder if it is possible to improof frequency stabillity inside Spectrum lab by tuning the Frequency error compensation parameters? I use 22.1 KHz as source. If you take a look here http://home.deds.nl/~knol/47uHz.jpg ( my grabber's 47 uHz spectogram) , you see since 09/02 sections with the sharpnes of a knife, but also setions with some distortion/dispersion in the trace... It was freezing -3 C here last night, and we got 3 cm of snow. Perhaps that did help to increase the signal. Best 73's, Peter - PA1SDB www.qsl.net/pa1sdb ----- Original Message ----- From: g3zjo To: rsgb_lf_group@blacksheep.org Sent: Saturday, February 09, 2013 11:42 PM Subject: Re: LF: Re: 8970.022 Hz Nice one again today Uwe 73 Eddie On 08/02/2013 21:49, uwe-jannsen@kabelmail.de wrote: thanks for the grabber, Eddie GL Uwe/dj8wx ---------------------------------------------------------------------------- Von: rsgb_lf_group@blacksheep.org Gesendet: 08.02.2013 21:09 An: rsgb_lf_group@blacksheep.org Betreff: Re: LF: Re: 8970.022 Hz ---------------------------------------------------------------------------- Hi Uwe / LF I am not leaving my Grabber http://www.g3zjo.talktalk.net/vlfgrabber.htm on 24/7 these days. I am following your test during my waking hours. :-) Due to this I am just using the DFCW6000 424uHz set up. Today produced a very nice line, one of the best days. When the RX is off the Grabber displays the last RX period. Thanks for the signal. 73 Eddie G3ZJO On 08/02/2013 14:17, uwe-jannsen@kabelmail.de wrote: Hello Peter and Markus, I like playing around with the Todmorden grabber site. when I first saw all the gaps in the trace at 8970.0225Hz I was somewhat horrified; did the TX switch off and on that often? no, it was permanent on the air as shown by Peters and Lubos grabbers. changing the rcv direction of the Todmorden aerial I found the gaps filled. p.e., when switching from the should be 80dgr to 70dgr the gap at abt 1700UTC the 7th of this month filled, but others came up of course. seems the reflecting clouds are found off the line btwn RX and TX stn too sometimes. the distance btwn my location and Todmorden is 765km. GL Uwe/dj8wx -------------------------------------------------------------------------- Von: rsgb_lf_group@blacksheep.org Gesendet: 07.02.2013 22:15 An: rsgb_lf_group@blacksheep.org Betreff: Re: LF: Re: 8970.022 Hz -------------------------------------------------------------------------- Peter, > Around 12 h UTC the signal is the weakest in my oppinion. This depends on distance, frequency and the diurnal variation of ionospheric height (the ceiling of the waveguide), resulting in constructive or destructive superposition of groundwave and one-hop skywave. 9 kHz propagation between Stefan and myself (also about 180 km) exhibited the same minimum at noon. On the other hand, 400 km to OK or OE were usually best around midday. Best 73, Markus (DF6NM) From: PA1SDB, Peter Sent: Thursday, February 07, 2013 9:37 PM To: rsgb_lf_group@blacksheep.org Subject: LF: Re: 8970.022 Hz Hello Uwe, VLF I did try to find the signal maximums since ~3 Feb. Here they are... 06h17 15h40 ????? 16h20 0730 17h38 ????? 16h00 The ???? are because there was interference or sort of. Looks like there are some maximums around sunrise and sunset. Around 12 h UTC the signal is the weakest in my oppinion. Best 73's Peter - PA1SDB www.qsl.net/pa1sdb ----- Original Message ----- From: uwe-jannsen@kabelmail.de To: rsgb_lf_group@blacksheep.org Sent: Wednesday, February 06, 2013 3:18 PM Subject: LF: 8970.022 Hz Hi dreamers, the TX was off from abt 1230UTC until 1440UTC today because 1) my XYL was working in the greenhouses (metal framed) and 2) I took the advantage repairing the aerial (one of the anchorage ropes didn’t stand the sparks). GL Uwe/dj8wx/jo43sv ------=_NextPart_000_0CBE_01CE0773.AAEC7620 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Hi Uwe,
I think last night was best result=20 ever.
Very bright and solid trace in my=20 spectogram.
 
I wonder if it is possible to improof = frequency=20 stabillity inside Spectrum lab by tuning the Frequency error = compensation=20 parameters?
I use 22.1 KHz as source.
 
If you take a look here http://home.deds.nl/~knol/47= uHz.jpg =20 ( my grabber's 47 uHz spectogram) , you = see since=20 09/02 sections with the sharpnes of a knife, but = also setions=20 with some distortion/dispersion in the trace...
 
It was freezing -3 C here last night, and we = got 3 cm of=20 snow.
Perhaps that did help to increase the=20 signal.
 
Best 73's, Peter - PA1SDB
 
www.qsl.net/pa1sdb
 
 
 
----- Original Message -----
From:=20 g3zjo=20
Sent: Saturday, February 09, = 2013 11:42=20 PM
Subject: Re: LF: Re: 8970.022 = Hz

Nice one again today Uwe

73 Eddie

On = 08/02/2013=20 21:49, uwe-jannsen@kabelmail.de = wrote:=20
thanks=20 for the grabber, Eddie

GL
Uwe/dj8wx
Von: rsgb_lf_group@blacksheep.org=
Gesendet:=20 08.02.2013 21:09
An: rsgb_lf_group@blacksheep.org=
Betreff:=20 Re: LF: Re: 8970.022 Hz

Hi Uwe / LF

I am not leaving my Grabber http://www.g3zjo.talktalk.net/vlfgrabber.htm= on=20 24/7 these days. I am following your test during my waking = hours. :-)
Due to this I am just using = the DFCW6000=20 424uHz set up. Today produced a very nice line, one of the best=20 days.

When the RX is off the Grabber displays the last RX=20 period.

Thanks for the signal.

73 Eddie G3ZJO =

On=20 08/02/2013 14:17, uwe-jannsen@kabelmail.de wrote:=20

Hello Peter and Markus,

I like playing around with the Todmorden grabber = site.=20

when I first saw all the gaps = in  the=20 trace at 8970.0225Hz I was somewhat  horrified;
did the TX = switch=20 off and on that often?
no, it was permanent on the = air as=20 shown by Peters and Lubos grabbers.

changing the rcv direction of the Todmorden = aerial I=20 found the gaps filled.
p.e., when switching from the should be = 80dgr to=20 70dgr the gap at abt 1700UTC the 7th of = this month=20 filled,
but others came up of course.

seems the reflecting clouds are = found off=20 the line btwn RX and TX stn too sometimes.
the distance btwn my = location and Todmorden is 765km. =

GL

Uwe/dj8wx


Von: rsgb_lf_group@blacksheep.org
Gesendet:=20 07.02.2013 22:15
An: rsgb_lf_group@blacksheep.org
Betreff: = Re:=20 LF: Re: 8970.022 Hz

Peter,
 
> Around 12 h UTC the = signal is the=20 weakest in my oppinion.
 
This depends = on distance,=20 frequency and the diurnal variation of ionospheric = height (the=20 ceiling of the waveguide), resulting in constructive or = destructive=20 superposition of groundwave and one-hop skywave.  9 kHz=20 propagation between Stefan and myself (also about 180 km)=20 exhibited the same minimum at noon. On the other = hand, 400=20 km to OK or OE were usually best = around midday.
 
Best 73,
Markus = (DF6NM)
 
 

From: PA1SDB, = Peter=20
Sent: Thursday, February 07, 2013 9:37 = PM
Subject: LF: Re: 8970.022 = Hz

Hello Uwe, = VLF
I did try to find the = signal=20 maximums since ~3 Feb.
Here they = are...
 
06h17  = 15h40
?????   16h20
0730   =20 17h38
?????   16h00
 
The ???? are because = there was=20 interference or sort of.
Looks like there are = some maximums=20 around sunrise and sunset.
 
Around 12 h UTC the = signal is the=20 weakest in my oppinion.
 
Best 73's Peter -=20 PA1SDB
 
www.qsl.net/pa1sdb
 
 
 
----- Original Message ----- =
From: uwe-jannsen@kabelmail.de
To: rsgb_lf_group@blacksheep.org
Sent: = Wednesday, February=20 06, 2013 3:18 PM
Subject: LF: = 8970.022=20 Hz

Hi = dreamers,

 the TX was = off from=20 abt 1230UTC until 1440UTC today=20 = because
1)     =20 my XYL was working in the greenhouses (metal = framed)=20 and
2)     =20 I took the advantage repairing the aerial = (one of=20 the anchorage ropes didn=92t stand the sparks).=20

=

GL=20

Uwe/dj8wx/jo43sv

=

 



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