Return-Path: Received: from rly-ma09.mx.aol.com (rly-ma09.mail.aol.com [172.20.116.53]) by air-ma05.mail.aol.com (v125.7) with ESMTP id MAILINMA052-8cc4b0081363e1; Sun, 15 Nov 2009 17:31:39 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-ma09.mx.aol.com (v125.7) with ESMTP id MAILRELAYINMA096-8cc4b0081363e1; Sun, 15 Nov 2009 17:31:20 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1N9nbx-0002pL-1q for rs_out_1@blacksheep.org; Sun, 15 Nov 2009 22:30:21 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1N9nbw-0002pC-1d for rsgb_lf_group@blacksheep.org; Sun, 15 Nov 2009 22:30:20 +0000 Received: from mtaout03-winn.ispmail.ntl.com ([81.103.221.49]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1N9nbt-00021X-OF for rsgb_lf_group@blacksheep.org; Sun, 15 Nov 2009 22:30:19 +0000 Received: from know-smtpout-1.server.virginmedia.net ([62.254.123.1]) by mtaout03-winn.ispmail.ntl.com (InterMail vM.7.08.04.00 201-2186-134-20080326) with ESMTP id <20091115223007.GINB17277.mtaout03-winn.ispmail.ntl.com@know-smtpout-1.server.virginmedia.net> for ; Sun, 15 Nov 2009 22:30:07 +0000 Received: from [81.109.247.175] (helo=jimdesk) by know-smtpout-1.server.virginmedia.net with esmtp (Exim 4.63) (envelope-from ) id 1N9nbf-0001pN-UH for rsgb_lf_group@blacksheep.org; Sun, 15 Nov 2009 22:30:07 +0000 From: "James Cowburn" To: References: <7C53F0821F4E4DAE965F1AFE9590A5AE@AGB> <269027.53851.qm@web28105.mail.ukl.yahoo.com> Date: Sun, 15 Nov 2009 22:29:58 -0000 Message-ID: <004201ca6643$2cf00590$0517aac0@jimdesk> MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 In-Reply-To: <269027.53851.qm@web28105.mail.ukl.yahoo.com> Thread-Index: AcpmPwstC9TfVZojR5OIINATflaabwAA1s9w X-Cloudmark-Analysis: v=1.0 c=1 a=Qz28QKMV998A:10 a=F3M5lZpKAAAA:8 a=VJGWS8Fr2nppAKGVaj0A:9 a=aqTLHaFCx_Y2TTNwvSoA:7 a=otbdvwKuaMRSKWeXBp6QhwJF5jMA:4 a=wk6s2zzMB60A:10 a=QFc5Aota_INpNNSd:21 a=TTqTASvIiVODi6nc:21 a=SSmOFEACAAAA:8 a=ac1e44IZV6RScGn9zPsA:9 a=JGVybvEu2PWZVemNxXoA:7 a=m2aIvUlCoZXx8i6JAdBKXtjwF1UA:4 X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,HTML_FONT_BIG=0.256,HTML_MESSAGE=0.001 Subject: RE: LF: G7NKS - Double Side Band: wspr? Content-Type: multipart/alternative; boundary="----=_NextPart_000_0043_01CA6643.2D45C6B0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=HTML_70_80, HTML_FONTCOLOR_UNKNOWN,HTML_FONT_BIG,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-IP: 193.82.116.20 ------=_NextPart_000_0043_01CA6643.2D45C6B0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Dear LF The double or treble reports on strong signals are due to a main hum problem on my system. It only seems to appear on 500 and only on signals where I am strong e,g, MOBMU and MOFMT. I'm working on some solutions and will also be getting a USB sound card to try and further isolate the sound from the mains. Apologies to all for the multiple decodes. I have tried turning the power down on the TX to get the extra decodes at M0BMU and MOFMT below -30dB so they are not picked up but to no avail. Pete's too close and Jim M's antenna is too good! USB sound card has been advised by several others so that's my next port of call With best regards Jim Dr. James Cowburn _____ From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of M0FMT Sent: 15 November 2009 21:59 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: G7NKS - Double Side Band: wspr? Hi Jim and LF group Please observe the reports I am getting from Jim G7NKS WSPR transmissions :- First a weak one and then a strong one then a weak one (see below) does it mean there's a sprog / modulation on Jim's transmission off set by approximately +/-50c/s? I will try to get a time domain display of it when I have time, it may provide a clue. Is it my RX? 2009-11-15 21:26 G7NKS 0.503904 -26 -1 IO92ub 0.02 M0FMT IO91ux 9 180 2009-11-15 21:26 G7NKS 0.503853 +2 -1 IO92ub 0.02 M0FMT IO91ux 9 180 2009-11-15 21:26 G7NKS 0.503803 -25 -1 IO92ub 0.02 M0FMT IO91ux 9 180 Don't think it's my old HB drifty DC RX that accounts for it because all other reports are OK as far as I have seen to date but am open to comment. 73 petefmt ------=_NextPart_000_0043_01CA6643.2D45C6B0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dear LF

 

The double or= treble reports on strong signals are due to a main hum problem on my system.  It only seem= s to appear on 500 and only on signals where I am strong e,g, MOBMU and MOFMT.  = I’m working on some solutions and will also be getting a USB sound card to= try and further isolate the sound from the mains.

 

Apologies to al= l for the multiple decodes.  I have tried turning the power down on the TX to get the extra= decodes at M0BMU and MOFMT below -30dB so they are not picked up but to no avail.=  Pete’s too close and Jim M’s antenna is too good!

 

USB sound card= has been advised by several others so that’s my next port of call

 

 

 

With best regar= ds

 

 

Jim=

 

 

Dr. James Cowbu= rn

 

From: owner-rsgb_lf_group@blac= ksheep.org [mailto:owner-= rsgb_lf_group@blacksheep.org] On Behalf Of M0FMT
Sent: 15 November 2009= 21:59
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: G7NKS= - Double Side Band: wspr?

 

Hi Jim and LF group

 

Please observe the reports I am getting= from Jim G7NKS WSPR transmissions :-

 

First a weak one and then a strong one= then a weak one (see below) does it mean there's a sprog / modulation on Ji= m's transmission off set by approximately +/-50c/s? I will try to get a= time domain display of it when I have time, it may provide a clue. Is it= my RX?

 

2009-11-15 21:26 

&= nbsp;G7NKS 

 0.503904 

 -26 

 -1 

&= nbsp;IO92ub 

 0.02 <= /font>

&= nbsp;M0FMT 

&= nbsp;IO91ux 

 9 

 180 

2009-11-15 21:26 

&= nbsp;G7NKS 

 0.503853 

 +2 

 -1 

&= nbsp;IO92ub 

 0.02 <= /font>

&= nbsp;M0FMT 

&= nbsp;IO91ux 

 9 

 180 

2009-11-15 21:26 

&= nbsp;G7NKS 

   0.503803 

-25 <= /p>

 -1 

&= nbsp;IO92ub 

   0.02 <= /span>

&= nbsp;M0FMT 

&= nbsp; IO91ux 

    9 

 180 

 

 

 

 

 

Don't think it's my old HB dri= fty DC RX that accounts for it because all other reports are OK as far as I ha= ve seen to date but am open to comment.

 

  73 petefmt

 

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