Return-Path: Received: from mtain-dk03.r1000.mx.aol.com (mtain-dk03.r1000.mx.aol.com [172.29.180.7]) by air-md04.mail.aol.com (v129.4) with ESMTP id MAILINMD041-8b804d7791a0317; Wed, 09 Mar 2011 09:41:36 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dk03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 1303D3800008C; Wed, 9 Mar 2011 09:41:33 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PxKYT-0007sm-2s for rs_out_1@blacksheep.org; Wed, 09 Mar 2011 14:40:01 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PxKYR-0007sY-D8 for rsgb_lf_group@blacksheep.org; Wed, 09 Mar 2011 14:39:59 +0000 Received: from out1.ip07ir2.opaltelecom.net ([62.24.128.243]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PxKYP-0003Ox-CE for rsgb_lf_group@blacksheep.org; Wed, 09 Mar 2011 14:39:59 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgkBAEsgd01cHYpN/2dsb2JhbACDO5EQA4Nzjix0w0ODAYJkBIFwjiyDAg X-IronPort-AV: E=Sophos;i="4.62,290,1297036800"; d="scan'208,217";a="482552538" Received: from unknown (HELO xphd97xgq27nyf) ([92.29.138.77]) by out1.ip07ir2.opaltelecom.net with SMTP; 09 Mar 2011 14:39:49 +0000 Message-ID: <002401cbde67$d6cba860$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <1E9DBF12EA2241C5988241CA8AB7A7F9@ns94d01ae4d850><000b01cbde45$7c8c99d0$0401a8c0@xphd97xgq27nyf><001401cbde54$02dabd60$0401a8c0@xphd97xgq27nyf> Date: Wed, 9 Mar 2011 14:39:47 -0000 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: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Re: 8970.025Khz Content-Type: multipart/alternative; boundary="----=_NextPart_000_0021_01CBDE67.D6710540" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,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-sid: 3039ac1db4074d77919d7599 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_0021_01CBDE67.D6710540 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Roger Not a precise freq. My accuracy is plus/minus a couple of hz and aroun= d 8970. But like Andy has said even direct use of sound cards and lack of prop= er software is no guarantee to see a signal at rediculous narrow bandw= idths. Even locked to a freq standard accuracy is hard to maintain in= the uhz domain, its a hit and miss game both at the RX and TX end, pl= us the very long time period and then no real ID in the end. Confirmat= ion confirmed by frequency alone is not valid. When I copied OE5ODL I asked him to cut carrier for ID, this he did an= d I was able to confirm the transmission was from him, I also copied= him here in QRS 30, 10, 3 mode which is more realistic instead of wai= ting hours and weeks. I hope u see my point. de mal/g3kev ----- Original Message -----=20 From: Roger Lapthorn=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, March 09, 2011 12:40 PM Subject: Re: LF: Re: 8970.025Khz Hi Mal What was the precise frequency and time of your test please? I can= look again at my screen grab if I know where, but I have to look in= very narrow bandwidths for some hours to make out anything distant on= VLF.=20 BTW, your Spectrum Lab bandwidth looks very wide and although this= may be OK for the stronger stations you will have to use MSK locking= or similar and much narrower settings to see G3XIZ for example. I kn= ow you are less keen on this sort of testing, but Chris would apprecia= te a report from you I am sure. Also, you would be much better with di= rect reception on VLF rather than mixing up first as this is another= source of frequency error best avoided when searching for weak signal= s with narrow FFT settings. Good luck and keep looking! 73s Roger G3XBM On 9 March 2011 12:17, mal hamilton wrote: What I am observing at present g3kev ----- Original Message -----=20 From: Roger Lapthorn=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, March 09, 2011 10:58 AM Subject: Re: LF: Re: 8970.025Khz Will that be the 3-el triband Mal? More seriously, people do appreciate you looking. Keep at it and= thank you on behalf of the Dreamers. 73s Roger G3XBM On 9 March 2011 10:33, mal hamilton wrot= e: Nil here at IO94SH. Antenna beaming East g3kev ----- Original Message -----=20 From: henny van elst=20 To: blacksheep=20 Sent: Wednesday, March 09, 2011 9:28 AM Subject: LF: 8970.025Khz Hi LF, The tx is still on freq.8970.025Khz henny pa3cpm best 73's --=20 g3xbm-qrp.blogspot.com/ www.g3xbm.co.uk www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --=20 g3xbm-qrp.blogspot.com/ www.g3xbm.co.uk www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 ------=_NextPart_000_0021_01CBDE67.D6710540 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Roger
Not a precise freq. My accuracy is plus/minus= a couple of=20 hz and around 8970.
But like Andy has said even direct use of soun= d cards and=20 lack of proper software is no guarantee to see a signal at rediculous= narrow=20 bandwidths. Even locked to a freq standard accuracy is hard to maintai= n in the=20 uhz domain, its a hit and miss game both at the RX and TX end, plus th= e very=20 long time period and then no real ID in the end. Confirmation confirme= d by=20 frequency alone is not valid.
When I copied OE5ODL I asked him to cut carrie= r for ID,=20 this he did and I was able to confirm the transmission was from him,= I also=20 copied him here in QRS 30, 10, 3 mode which is more realistic instead= of waiting=20 hours and weeks.
I hope u see my point.
de mal/g3kev
 
 
 
----- Original Message -----
Sent: Wednesday, March 09, 20= 11 12:40=20 PM
Subject: Re: LF: Re: 8970.025= Khz

Hi Mal

What was the precise frequency= and time of=20 your test please? I can look again at my screen grab if I know where= , but I=20 have to look in very narrow bandwidths for some hours to make out an= ything=20 distant on VLF.

BTW, your Spectrum Lab bandwidth looks very= wide and=20 although this may be OK for the stronger stations you will have to= use MSK=20 locking or similar  and much narrower settings to see G3XIZ for= example.=20 I know you are less keen on this sort of testing, but Chris would ap= preciate a=20 report from you I am sure. Also, you would be much better with direc= t=20 reception on VLF rather than mixing up first as this is another sour= ce of=20 frequency error best avoided when searching for weak signals with na= rrow FFT=20 settings.

Good luck and keep looking!

73s
Roger G3X= BM
On 9 March 2011 12:17, mal hamilton <g3kevm= al@talktalk.net>=20 wrote:
What I am observing at present
g3kev
----- Original Message -----
From:=20 Roger Lapthorn
To: rsgb_lf_group@blacksheep.org
Sent: Wednesday, March 09= , 2011 10:58=20 AM
Subject: Re: LF: Re:=20 8970.025Khz

Will that be the 3-el triband Mal?

More= seriously,=20 people do appreciate you looking. Keep at it and thank you on be= half of=20 the Dreamers.

73s
Roger G3XBM


On 9 March 2011 10:33, mal hamilton <g3kevmal@talktalk.net> wrote:
Nil here at IO94SH. Antenna beaming=20 East
g3kev
 
----- Original Message -----=
To: blacksheep
Sent: Wednesday, Marc= h 09, 2011=20 9:28 AM
Subject: LF: 8970.025= Khz

Hi LF,
The tx is still on
 
freq.8970.025Khz
henny
pa3cpm
best=20 73's


--
g3xbm-qrp.blogspot.com/
www.g3xbm.co.uk=
www.youtube.com/user/g3xbm
G3XBM   GQRP=20 1678    ISWL=20 G11088


--
g3xbm-qrp.blogspot.com/
www.g3xbm.co.uk
www.youtub= e.com/user/g3xbm
G3XBM   GQRP 1678    ISWL=20 G11088
------=_NextPart_000_0021_01CBDE67.D6710540--