Return-Path: Received: from mtain-mp05.r1000.mx.aol.com (mtain-mp05.r1000.mx.aol.com [172.29.193.73]) by air-md03.mail.aol.com (v129.4) with ESMTP id MAILINMD033-8b7e4d9dfb4fe7; Thu, 07 Apr 2011 13:58:39 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 406E2380000BF; Thu, 7 Apr 2011 13:58:37 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Q7tS2-0005Me-43 for rs_out_1@blacksheep.org; Thu, 07 Apr 2011 18:57:02 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Q7tS1-0005MV-Fr for rsgb_lf_group@blacksheep.org; Thu, 07 Apr 2011 18:57:01 +0100 Received: from out1.ip07ir2.opaltelecom.net ([62.24.128.243]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Q7tRz-0005LU-7Q for rsgb_lf_group@blacksheep.org; Thu, 07 Apr 2011 18:57:01 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AggBAI/6nU1cHYE9/2dsb2JhbACUPAODd41Sd8FUhW0EgXuPTYMh X-IronPort-AV: E=Sophos;i="4.63,317,1299456000"; d="scan'208,217";a="485633665" Received: from unknown (HELO xphd97xgq27nyf) ([92.29.129.61]) by out1.ip07ir2.opaltelecom.net with SMTP; 07 Apr 2011 18:56:52 +0100 Message-ID: <007c01cbf54d$2c728260$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <280367.18791.qm@web28514.mail.ukl.yahoo.com> Date: Thu, 7 Apr 2011 18:56:51 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.1 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,HTML_TAG_EXIST_TBODY=0.126 Subject: Re: LF: Re: Signal (or interferer?) overnight 8.976665kHz Content-Type: multipart/alternative; boundary="----=_NextPart_000_0079_01CBF555.8E0998D0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY 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: 3039ac1dc1494d9dfb4c3906 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_0079_01CBF555.8E0998D0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Roger OM=20 How did you copy OSSY today, he was producing a strong trace, keying= the carrier. I was using the dfcw 600 window and probably could have= copied him at a faster speed of 120, a QSO might have been possible. Using a 600m 1/4 wave inv L direct to the sound card and hope to impro= ve reception soon by using the 137 khz inv L system and resonating it= for 9 khz. 73 de mal/g3kev ----- Original Message -----=20 From: Roger Lapthorn=20 To: rsgb_lf_group@blacksheep.org=20 Cc: LF Group ; Paul Nicholson=20 Sent: Thursday, April 07, 2011 9:09 AM Subject: Re: LF: Re: Signal (or interferer?) overnight 8.976665kHz Thanks Chris.=20 I had doubts it was you, but the signal seemed too stable for the us= ual 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= 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, Very interesting. I did do some impromtu testing last night on my usual freque= ncy 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 ab= ove frequency so would as usual welcome any reports. If anything my loading coil's inductance is slightly high fo= r the working 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 facilit= ate 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 = wrote: 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 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.dropb= ox.com/u/15047843/xbm_grab.jpg . G3ZJO's grabber is not on to correlat= e with Eddie's location. My question is who or what is it? G3XIZ was active last ev= ening, 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 eleva= ted wire connection (a loop with the earth return if you like). 73s Roger G3XBM --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm https://sites.google.com/site/sub9khz/ =20 ------=_NextPart_000_0079_01CBF555.8E0998D0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Roger OM
How did you copy OSSY today, he was producing= a strong=20 trace,  keying the carrier. I was using the dfcw 600 wi= ndow and=20 probably could have copied him at a faster speed of 120, a QSO might= have been=20 possible.
Using a 600m 1/4 wave inv L direct to the soun= d card and=20 hope to improve reception soon by using the 137 khz inv L system= and=20 resonating it for 9 khz.
73 de mal/g3kev
 
----- Original Message -----
Sent: Thursday, April 07, 201= 1 9:09=20 AM
Subject: Re: LF: Re: Signal= (or=20 interferer?) overnight 8.976665kHz

Thanks Chris. 

I had doubts it was you, but the signal seemed too stable for= the usual=20 interference seen. It is a pity G3ZJO didn't have his grabber on to= see if he=20 copied it over there too.  Will be monitoring overnight so it= will be=20 interesting to see how well you are copied on the earth electrode "l= oop"=20 set-up here. 

73s
Roger G3XBM

Via my 2.4GHz handheld (iPod Touch 4g)

On 7 Apr 2011, at 08:56, Chris Osborn <g3xiz@yahoo.co.uk> wrote:

------=_NextPart_000_0079_01CBF555.8E0998D0--
Roger, LF,
 
Very interesting.
 
I did do some impromtu testing last night on my usual= frequency=20 of 8.976 661 6 kHz
I have installed a cover (tarpaulin) over my loading co= il to keep=20 out the rain and was checking to see whether it wo= uld affect=20 the Q.
If anything results seem better !
 
I eventually shut down at 21.30 (20.30Z) so the over ni= ght signal=20 is a mystery.
Others have noticed a stable carrier on or near my 'usu= al'=20 frequency in the past.
 
I plan to transmit overnight tonight (7/8th=20 April) on the above frequency so would as usual wel= come any=20 reports.
 
If anything my loading coil's inductance is slightly hi= gh for the=20 working frequency and I guess the tarpaulin cover has reduce= d it=20 somewhat and thus improved the tuning.
I have planned for some time to make a variometer= to=20 facilitate fine tuning but have had trouble sourcing a suita= ble coil=20 former (ideally a beer brewing bin or such like).
 
73
Chris G3XIZ
 
 


--- On Thu, 7/4/11, Roger Lapthorn <rogerlapthorn@gma= il.com>=20 wrote:

From:=20 Roger Lapthorn <rogerlapthorn@gmail.com>
Subject:=20 Signal (or interferer?) overnight 8.976665kHz
To: rsgb_lf_gro= up@blacksheep.org,=20 s= ub9khz@yahoogroups.com,=20 "Chris Osborn" <g3xiz@yahoo.co.uk>, "g3zjo"=20 <= g3zjo@npton.plus.com>
Date:=20 Thursday, 7 April, 2011, 8:19

Overnight I was seeing a weak line= at=20 8.976665kHz lasting from around 0200 to around 0700 (now)= on SL with=20 424uHz setting. The grabber is still on, so you can look= yourselves.=20 See https://dl.dropbo= x.com/u/15047843/xbm_grab.jpg=20 . G3ZJO's grabber is not on to correlate with Eddie's=20 location.

My question is who or what is it? G3XIZ= was active=20 last evening, but I do not know if Chris left his TX on ov= ernight.=20 The signal (or interferer) is extremely stable and was det= ected=20 using the earth electrode antenna (2 electrodes in the gar= den 15m=20 apart with an elevated wire connection (a loop with the ea= rth return=20 if you like).

73s
Roger G3XBM
--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk<= /A>
http://www.youtube.com/user/g3xbm<= /A>
https://sites.google.com= /site/sub9khz/