Return-Path: Received: from mtain-mc05.r1000.mx.aol.com (mtain-mc05.r1000.mx.aol.com [172.29.96.77]) by air-da07.mail.aol.com (v129.4) with ESMTP id MAILINDA074-86674d9d718d1c5; Thu, 07 Apr 2011 04:10:53 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mc05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 68A6E380000BD; Thu, 7 Apr 2011 04:10:51 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Q7kHR-0001kD-4j for rs_out_1@blacksheep.org; Thu, 07 Apr 2011 09:09:29 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Q7kHQ-0001k4-Hy for rsgb_lf_group@blacksheep.org; Thu, 07 Apr 2011 09:09:28 +0100 Received: from mail-wy0-f171.google.com ([74.125.82.171]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Q7kHN-0002nv-J6 for rsgb_lf_group@blacksheep.org; Thu, 07 Apr 2011 09:09:28 +0100 Received: by wyb32 with SMTP id 32so2826719wyb.16 for ; Thu, 07 Apr 2011 01:09:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:references:in-reply-to:mime-version :content-transfer-encoding:content-type:message-id:cc:x-mailer:from :subject:date:to; bh=rJRxr53wSyHm71rfzS5EoU1xBifh0yfj8++78C1Qou4=; b=f3B6aTkGR7flkP7YQfd/uVwb68d3gd93BMoCuBsfI19k95pqfvFDfbbwTw4CVA+Wlk iOp5xBsRhFXSYXJfTAT68kQJzHIT09xnL0uUbdigt+IkbOwnS84WWmFiZbEI01z3tWeP 9PaJn3Im/SPmggZgwBB6npR6/gM8brO2SY0qA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=references:in-reply-to:mime-version:content-transfer-encoding :content-type:message-id:cc:x-mailer:from:subject:date:to; b=u52feRwZmVgxXhnbCsMwxvtEEGKPHgI2V4WDyGABm3EacfUQRVtPPP8h1RpEtJys9c djQ89WPfLevICrFvU9AdJJtRbJEEXnJ7Oy/VyesbbyRn74sIX/EcK7TwCCUHhM7BO9Pn HIHxVWoM73WVvHuOtd/Qil7mwGQLIMJWI1CLQ= Received: by 10.216.5.196 with SMTP id 46mr559499wel.19.1302163759629; Thu, 07 Apr 2011 01:09:19 -0700 (PDT) Received: from [192.168.1.100] (cpc3-cmbg14-0-0-cust445.5-4.cable.virginmedia.com [213.106.93.190]) by mx.google.com with ESMTPS id n2sm671182wej.22.2011.04.07.01.09.16 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 07 Apr 2011 01:09:17 -0700 (PDT) References: <280367.18791.qm@web28514.mail.ukl.yahoo.com> In-Reply-To: <280367.18791.qm@web28514.mail.ukl.yahoo.com> Mime-Version: 1.0 (iPod Mail 8F190) Message-Id: Cc: LF Group , Paul Nicholson X-Mailer: iPod Mail (8F190) From: Roger Lapthorn Date: Thu, 7 Apr 2011 09:09:23 +0100 To: "rsgb_lf_group@blacksheep.org" DomainKey-Status: good (testing) X-Spam-Score: 0.1 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,HTML_TAG_EXIST_TBODY=0.126 Content-Transfer-Encoding: 7bit Content-Type: multipart/alternative; boundary=Apple-Mail-1--413464603 Subject: Re: LF: Re: Signal (or interferer?) overnight 8.976665kHz 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_20_30,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY,TO_ADDRESS_EQ_REAL 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-d243.2 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d604d4d9d718b7f3b X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none --Apple-Mail-1--413464603 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Thanks Chris.=20 I had doubts it was you, but the signal seemed too stable for the usual in= terference seen. It is a pity G3ZJO didn't have his grabber on to see if= he copied it over there too. Will be monitoring overnight so it will be= interesting to see how well you are copied on the earth electrode "loop"= set-up here.=20 73s Roger G3XBM Via my 2.4GHz handheld (iPod Touch 4g) On 7 Apr 2011, at 08:56, Chris Osborn wrote: > Roger, LF, > =20 > Very interesting. > =20 > I did do some impromtu testing last night on my usual frequency of 8.976= 661 6 kHz > I have installed a cover (tarpaulin) over my loading coil to keep out th= e rain and was checking to see whether it would affect the Q. > If anything results seem better ! > =20 > I eventually shut down at 21.30 (20.30Z) so the over night signal is a= mystery. > Others have noticed a stable carrier on or near my 'usual' frequency in= the past. > =20 > I plan to transmit overnight tonight (7/8th April) on the above frequenc= y so would as usual welcome any reports. > =20 > If anything my loading coil's inductance is slightly high for the workin= g frequency and I guess the tarpaulin cover has reduced it somewhat and th= us improved the tuning. > I have planned for some time to make a variometer to facilitate fine tun= ing but have had trouble sourcing a suitable coil former (ideally a beer= brewing bin or such like). > =20 > 73 > Chris G3XIZ > =20 > =20 >=20 >=20 > --- On Thu, 7/4/11, Roger Lapthorn wrote: >=20 > From: Roger Lapthorn > Subject: Signal (or interferer?) overnight 8.976665kHz > To: rsgb_lf_group@blacksheep.org, sub9khz@yahoogroups.com, "Chris Osborn= " , "g3zjo" > Date: Thursday, 7 April, 2011, 8:19 >=20 > Overnight I was seeing a weak line at 8.976665kHz lasting from around 02= 00 to around 0700 (now) on SL with 424uHz setting. The grabber is still on= , so you can look yourselves. See https://dl.dropbox.com/u/15047843/xbm_gr= ab.jpg . G3ZJO's grabber is not on to correlate with Eddie's location. >=20 > My question is who or what is it? G3XIZ was active last evening, but I= do not know if Chris left his TX on overnight. The signal (or interferer)= is extremely stable and was detected using the earth electrode antenna (2= electrodes in the garden 15m apart with an elevated wire connection (a lo= op with the earth return if you like). >=20 > 73s > Roger G3XBM >=20 > --=20 > http://g3xbm-qrp.blogspot.com/ > http://www.g3xbm.co.uk > http://www.youtube.com/user/g3xbm > https://sites.google.com/site/sub9khz/ >=20 --Apple-Mail-1--413464603 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
Thanks Chris. 

I had doubts it was you, but the signal seemed too stable for the= usual interference seen. It is a pity G3ZJO didn't have his grabber on to= see if he copied it over there too.  Will be monitoring overnight so= it will be interesting to see how well you are copied on the earth electr= ode "loop" set-up here. 

73s
Roger G3XBM<= /div>

Via my 2.4GHz handheld (iPod Touch 4g)

On 7 Ap= r 2011, at 08:56, Chris Osborn <g3= xiz@yahoo.co.uk> wrote:

Roger, LF,
 
Very interesting.
 
I did do some impromtu testing last night on my usual frequency of 8.976 661 6 kHz
I have installed a cover (tarpaulin) over my loading coil to keep out= the rain and was checking to see whether it would affect the Q.=
If anything results seem better !
 
I eventually shut down at 21.30 (20.30Z) so the over night signal is= a mystery.
Others have noticed a stable carrier on or near my 'usual' frequency= in the past.
 
I plan to transmit overnight tonight (7/8th April)= on the above frequency so would as usual welcome any reports.
 
If anything my loading coil's inductance is slightly high for the wor= king frequency and I guess the tarpaulin cover has reduced it somewhat and= thus improved the tuning.
I have planned for some time to make a variometer to facilitate= fine tuning but have had trouble sourcing a suitable coil former (ideally= a beer brewing bin or such like).
 
73
Chris G3XIZ
 
 


--- On Thu, 7/4/11, Roger Lapthorn <rogerlapthorn@gmail.com> wrote:<= br>

From: Roger Lapthorn <rogerlapthorn@gmail.com>
Subject: Signal (o= r interferer?) overnight 8.976665kHz
To: rsgb_lf_group@blacksheep.org, sub9khz@yahoogroups.com, "Chris Osborn" <g3xiz@yahoo.co.uk>, "g3zjo" <g3zjo@npton.plus.com>
Date= : Thursday, 7 April, 2011, 8:19

Overnight I was seeing a weak line at 8.976665kHz= lasting from around 0200 to around 0700 (now) on SL with 424uHz setting.= The grabber is still on, so you can look yourselves. See https://dl.= dropbox.com/u/15047843/xbm_grab.jpg . G3ZJO's grabber is not on to= correlate with Eddie's location.

My question is who or what is it?= G3XIZ was active last evening, but I do not know if Chris left his TX on= overnight. The signal (or interferer) is extremely stable and was detecte= d using the earth electrode antenna (2 electrodes in the garden 15m apart= with an elevated wire connection (a loop with the earth return if you lik= e).

73s
Roger G3XBM

--
http://g3xbm-qrp.blogspot.com/
<= a href=3D"http://www.g3xbm.co.uk/" target=3D"_blank" rel=3D"nofollow">http://www.g3xbm.co.uk
= http://www.youtube.com/user/= g3xbm
https://sites.google.com/site/sub9khz/

=3D --Apple-Mail-1--413464603--