Return-Path: Received: from rly-md01.mx.aol.com (rly-md01.mail.aol.com [172.20.29.139]) by air-md10.mail.aol.com (v126.13) with ESMTP id MAILINMD103-8e44b5332ba272; Sun, 17 Jan 2010 10:54:55 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-md01.mx.aol.com (v125.7) with ESMTP id MAILRELAYINMD014-8e44b5332ba272; Sun, 17 Jan 2010 10:54:37 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NWXRh-0006VS-Ta for rs_out_1@blacksheep.org; Sun, 17 Jan 2010 15:53:45 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NWXRh-0006VJ-BP for rsgb_lf_group@blacksheep.org; Sun, 17 Jan 2010 15:53:45 +0000 Received: from out1.ip01ir2.opaltelecom.net ([62.24.128.237]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NWXRf-0007Va-5p for rsgb_lf_group@blacksheep.org; Sun, 17 Jan 2010 15:53:45 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApoGAO/AUktZ8+E4/2dsb2JhbACIKssxgjeBewQ X-IronPort-AV: E=Sophos;i="4.49,291,1262563200"; d="scan'208";a="299448112" Received: from unknown (HELO xphd97xgq27nyf) ([89.243.225.56]) by out1.ip01ir2.opaltelecom.net with SMTP; 17 Jan 2010 15:53:21 +0000 Message-ID: <000901ca978d$2edb0910$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <002601ca9605$11be0870$0401a8c0@xphd97xgq27nyf> <9afca2641001150919g4adfc9e3g7eb7672cffaf6081@mail.gmail.com> <005401ca960a$76d684d0$0401a8c0@xphd97xgq27nyf> <002801ca9786$7c58b2c0$0401a8c0@xphd97xgq27nyf> <17BA74D16712478BA7BE98EEE32AB402@AGB> Date: Sun, 17 Jan 2010 15:53:15 -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-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Dirty carrier Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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 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 , 503.900 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 > >> > >> > > > > > > > > >