Return-Path: Received: from mtain-dh01.r1000.mx.aol.com (mtain-dh01.r1000.mx.aol.com [172.29.65.21]) by air-db04.mail.aol.com (v126.13) with ESMTP id MAILINDB042-861e4b54ca1537b; Mon, 18 Jan 2010 15:52:37 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dh01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 337B3380000AD; Mon, 18 Jan 2010 15:52:35 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NWyZ1-0006mR-Kj for rs_out_1@blacksheep.org; Mon, 18 Jan 2010 20:51:07 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NWyZ1-0006mI-3p for rsgb_lf_group@blacksheep.org; Mon, 18 Jan 2010 20:51:07 +0000 Received: from smtp5.freeserve.com ([193.252.22.151] helo=smtp6.freeserve.com) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NWyYy-0003OX-QX for rsgb_lf_group@blacksheep.org; Mon, 18 Jan 2010 20:51:07 +0000 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3511.me.freeserve.com (SMTP Server) with ESMTP id 5DE3B7000088 for ; Mon, 18 Jan 2010 21:50:59 +0100 (CET) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3511.me.freeserve.com (SMTP Server) with ESMTP id 5123C7000094 for ; Mon, 18 Jan 2010 21:50:59 +0100 (CET) Received: from AGB (unknown [91.110.65.143]) by mwinf3511.me.freeserve.com (SMTP Server) with SMTP id C63007000088 for ; Mon, 18 Jan 2010 21:50:56 +0100 (CET) X-ME-UUID: 20100118205056811.C63007000088@mwinf3511.me.freeserve.com Message-ID: <8F68856579324DFBBDEE947B86E8036D@AGB> From: "Graham" To: References: <002601ca9605$11be0870$0401a8c0@xphd97xgq27nyf> <9afca2641001150919g4adfc9e3g7eb7672cffaf6081@mail.gmail.com> <005401ca960a$76d684d0$0401a8c0@xphd97xgq27nyf> <002801ca9786$7c58b2c0$0401a8c0@xphd97xgq27nyf> <17BA74D16712478BA7BE98EEE32AB402@AGB> <000901ca978d$2edb0910$0401a8c0@xphd97xgq27nyf> <008501ca9795$472db6e0$0201a8c0@Clemens04> <009c01ca97a5$7ad44490$0201a8c0@Clemens04> In-Reply-To: <009c01ca97a5$7ad44490$0201a8c0@Clemens04> Date: Mon, 18 Jan 2010 20:50:45 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Dirty carrier Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=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: 3039ac1d41154b54ca130ff9 X-AOL-IP: 193.82.116.20 Ok Clemens, Mal was looking at 900 Hz spread with 100 Hz separation .. from= you=20 post, you where looking at 1 or 2 Hz spectrum width ? nothing like that shows at Liverpool .. only a random pattern ca= used=20 by the modulation , Gary captured this pattern a while ago > http://uk500khz.googlegroups.com/web/504%20off%201353z%2020090720.jpg G .. -------------------------------------------------- From: "Clemens Paul" Sent: Sunday, January 17, 2010 6:46 PM To: Subject: Re: LF: Dirty carrier > > Graham, > > the rx was tuned to 504*k*Hz as you can see on the screenshot. > The RBW or better bin resolution was 0,12Hz. > I'm not sure what you mean by "mHz": MilliHertz or Megahertz? > Or do I miss your point? > > 73 > Clemens > DL4RAJ > > > ----- Original Message -----=20 > From: "Graham" > To: > Sent: Sunday, January 17, 2010 6:12 PM > Subject: Re: LF: Dirty carrier > > > ? > Clemens > > I think Mal is referring to Hz and not mHz ? .. the tx is on= ly > across the Irish sea from Liverpool and shows +30 db over the = noise=20 > on > spec-lab .. sometimes I can listen to the audio .. :( .. > > G .. > > -------------------------------------------------- > From: "Clemens Paul" > Sent: Sunday, January 17, 2010 4:51 PM > To: > Subject: Re: LF: Dirty carrier > >> That's how the "504kHz-carrier" looks like here on Perseus. >> Actually two carriers,one a bit lees than 1Hz below and another, >> a bit more than 3Hz below. >> >> >> 73 >> Clemens >> DL4RAJ >> >> ----- Original Message -----=20 >> From: "mal hamilton" >> To: >> Sent: Sunday, January 17, 2010 4:53 PM >> Subject: Re: LF: Dirty carrier >> >> >>> The sidebands spread 900 hz spaced each side of the carrier at 100= hz >>> intervals.The dirt has now gone, fault rectified. >>> g3kev >>> >>> ----- Original Message ----- >>> From: "Graham" >>> To: >>> Sent: Sunday, January 17, 2010 3:44 PM >>> Subject: Re: LF: Dirty carrier >>> >>> >>>> Carrier is 30 db over the noise floor at Liverpool , no hum= lines >>>> showing, >>>> only modulation spread , nothing showing at Birmingham either >>>> > http://www.wireless.org.uk/grab/ >>>> >>>> If it was 100 Hz hum , then the side bands would be , 503.90= 0=20 >>>> and >>>> 504.100 .. that was the reason for picking 502.4 as the wspr >>> frequency >>>> to make use of the 100 Hz window under 504 .. >>>> >>>> G .. >>>> >>>> -------------------------------------------------- >>>> From: "mal hamilton" >>>> Sent: Sunday, January 17, 2010 3:05 PM >>>> To: >>>> Subject: Re: LF: Dirty carrier >>>> >>>> > >>>> > I think it is a problem with RTE 2nd harmonic 100 hz hum on the >>>> > carrier >>>> > 503.4 K/cs >>>> > de mal/g3kev >>>> > >>>> > ----- Original Message ----- >>>> > From: "James Moritz" >>>> > To: >>>> > Sent: Friday, January 15, 2010 5:50 PM >>>> > Subject: Re: LF: Dirty carrier >>>> > >>>> > >>>> >> Dear Mal, LF Group, >>>> >> >>>> >> Nothing unusual visible/audible here... >>>> >> >>>> >> Cheers, Jim Moritz >>>> >> 73 de M0BMU >>>> >> >>>> >> >>>> > >>>> > >>>> > >>>> >>>> >>>> >>> >> >> >> -------------------------------------------------------------------= ------------- >> >> >> >> Eingehende eMail ist virenfrei. >> Von AVG =FCberpr=FCft - www.avg.de >> Version: 9.0.725 / Virendatenbank: 270.14.147/2628 - Ausgabedatum: >> 01/17/10 08:35:00 >> > > > > > --------------------------------------------------------------------= ------------ > > > > Eingehende eMail ist virenfrei. > Von AVG =FCberpr=FCft - www.avg.de > Version: 9.0.725 / Virendatenbank: 270.14.147/2628 - Ausgabedatum:= =20 > 01/17/10 08:35:00 > > >=20