Return-Path: Received: from rly-dd04.mx.aol.com (rly-dd04.mail.aol.com [172.19.141.151]) by air-dd10.mail.aol.com (v121_r4.4) with ESMTP id MAILINDD101-b71497bb2d139f; Sat, 24 Jan 2009 19:31:38 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd04.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINDD043-b71497bb2d139f; Sat, 24 Jan 2009 19:31:24 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LQsrP-0002Zd-A3 for rs_out_1@blacksheep.org; Sun, 25 Jan 2009 00:28:23 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LQsrN-0002ZU-Qp for rsgb_lf_group@blacksheep.org; Sun, 25 Jan 2009 00:28:21 +0000 Received: from smtp818.mail.ird.yahoo.com ([77.238.189.18]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1LQsrF-00020w-QY for rsgb_lf_group@blacksheep.org; Sun, 25 Jan 2009 00:28:21 +0000 Received: (qmail 24982 invoked from network); 25 Jan 2009 00:27:49 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btopenworld.com; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=S/phHk+7ihfl9bzo5rR2hAiLDpXqWfcZm0kuQ9p108GJaPC1Dda1i7Z+qFqfzgx3dFVRQfPDrD/myu1Wgr4NYGbCiWrzjKh6ahhRo+GRj1It9AlG9ekH04ZV86cToe5TIL3/nqHmOufK4NfFvi4ZknSTqPjkzlHJvAICyX6yPCo= ; Received: from unknown (HELO JimPC) (james.moritz@86.134.108.92 with login) by smtp818.mail.ird.yahoo.com with SMTP; 25 Jan 2009 00:27:49 -0000 X-YMail-OSG: 48qfOpUVM1kAxditRcFKqRor.seXIc.F1X55NybImx_6Pf91q1sQeeijoFNtBI_K.ZXEUjWwJSVhtnOSE5ZRCZrGy_3wMEQ7DLYsSBNH0mt1kAw5Oe4gfrsNuTVkbGBRBFP0sB9t33Yf2Ppxrxd.ma4DuTAwTSFWU4lOde38VqEUXfQ8G4oo1zxDpirj X-Yahoo-Newman-Property: ymail-3 Message-ID: <9B0C9AE4F41D4B928AC8E46175358703@JimPC> From: "James Moritz" To: References: <5F3E5A778D18465DB680DC48CC7FBE48@JimPC> <09254C21C2884198957A5719438826D6@p4> In-Reply-To: <09254C21C2884198957A5719438826D6@p4> Date: Sun, 25 Jan 2009 00:27:49 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 X-Karma: unknown: DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: Re: Re: WSPR Beacon on 503.5kHz Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response 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=0.1 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-IP: 193.82.116.20 Dear Mark, LF Group, Thanks for the reports - > Interestingly sometimes I am seeing an extra faint trace from Jim, almost > exactly 100Hz up and it even decoded on one over. It is much weaker (at > least 15dB down). An alias / mixing product on my system? or is anyone > else seeing this? > I am not seeing any extra signals on the DI2AM beacon, which is on > average 10dB stronger than Jim I thought there might be some problem with mains ripple somewhere in the TX system, but I just checked the TX signal on the antenna feeder here, and the 100Hz sidebands are about -50dB WRT the carrier, which is not abnormally high - I would be very suprised if you could actually detect sidebands at that level from your QTH. Can anyone else see the sidebands? Cheers, Jim Moritz 73 de M0BMU