Return-Path: Received: from mtain-de05.r1000.mx.aol.com (mtain-de05.r1000.mx.aol.com [172.29.64.205]) by air-md09.mail.aol.com (v129.10) with ESMTP id MAILINMD094-8b974dbbefba24b; Sat, 30 Apr 2011 07:17:14 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 446E4380000B6; Sat, 30 Apr 2011 07:17:12 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QG89l-0002Mg-5L for rs_out_1@blacksheep.org; Sat, 30 Apr 2011 12:16:13 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QG89k-0002MX-ND for rsgb_lf_group@blacksheep.org; Sat, 30 Apr 2011 12:16:12 +0100 Received: from nm13.bullet.mail.ukl.yahoo.com ([217.146.183.187]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1QG89j-0002Rt-RG for rsgb_lf_group@blacksheep.org; Sat, 30 Apr 2011 12:16:12 +0100 Received: from [217.146.183.211] by nm13.bullet.mail.ukl.yahoo.com with NNFMP; 30 Apr 2011 11:16:06 -0000 Received: from [217.146.183.167] by tm4.bullet.mail.ukl.yahoo.com with NNFMP; 30 Apr 2011 11:16:02 -0000 Received: from [127.0.0.1] by omp1008.mail.ukl.yahoo.com with NNFMP; 30 Apr 2011 11:16:02 -0000 X-Yahoo-Newman-Id: 450316.63080.bm@omp1008.mail.ukl.yahoo.com Received: (qmail 66524 invoked from network); 30 Apr 2011 11:16:02 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btopenworld.com; h=DKIM-Signature:Received:X-Yahoo-SMTP: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=Abv//MMCTo6xjYLsyzkAd0BQXy6wLQ3btPSBwrvSjTjpEH5B5oYmcX8tnKylYLgD7CbhB9oF42N92TQV0tbg68EOFTk9SHUW7ZeSO/IewIcalWiZ1kJ3HMxMbHVV4v3I4okWYnFL8efRhMwKmH83M60jojzSrFpHtTEQ6VzcQ80= ; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btopenworld.com; s=s1024; t=1304162162; bh=QUIXwlPkxvWJJc1qiwk3makWgxr8Nz8ckORZVPD6SWY=; h=Received:X-Yahoo-SMTP: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=aInQaXvMkrZbnsV/bDnIQqznDp71NydKHtfAPikTUZu37ll/7R0iEKrUsdhA0k5vXH2OBcMgdj/lItjQjHqNi3iZ+iK1lEDA9eBiqsXMOof2fReGUCBZKiY5MsQun46NSvag0K4NL6dbE+NlhvhSlGBnbawU9ohXtSKGmq8MtSg= Received: from JimPC (james.moritz@109.156.118.245 with login) by smtp823.mail.ukl.yahoo.com with SMTP; 30 Apr 2011 11:16:02 +0000 GMT X-Yahoo-SMTP: Cxhli3eswBD1ozmtAojhjrja86kWx0Qm9tycD5QR1DKWrOLgjJcXkw-- X-YMail-OSG: Wqam3C8VM1k9NC9QRP3tJiEdCR.i5Jn8WfhBTrL09qsE.mv V59SEOR2A2GwW.Rfs97TOyEwDjqiNKcUVTd.EGR5EvhAmRVAXXXHeaRr1yxy jM64wjUtGZlxbNGBzUQA.8noRpO4_6ndJNrMmxxjuPdztmxpLgUTOWHCgczD IyTXYSewI.iZSENN9_s5_W6uQUfybagfcgAZ1vPYOSa8jDskZJM3urlY.IVW pngq6AZcJ82hRKs1ewFVczEN98UkXmTzobiPWUIe6i6IsibkjEFq1khM26.x O_aBXfHzVmOIPBd2proMIzLssaPE.kZSMMXpg7hgwoWzsAPNtGuFqUjZAisA 6HLI- X-Yahoo-Newman-Property: ymail-3 Message-ID: From: "James Moritz" To: References: <1304160593.1549.4.camel@gerhard-desktop> In-Reply-To: <1304160593.1549.4.camel@gerhard-desktop> Date: Sat, 30 Apr 2011 12:16:32 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18417 DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,UNPARSEABLE_RELAY=0.001 Subject: LF: Re: CW beacon "BRK" on 137.00khz ??????? Content-Type: text/plain; format=flowed; charset="utf-8"; reply-type=original 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-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d267.1 ; domain : btopenworld.com DKIM : fail x-aol-sid: 3039ac1d40cd4dbbefb810d7 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Dear Gerhard, LF Group, There is an NDB "BRK" listed near Vienna on 408kHz, which is 3 x 136kHz. Allowing for +/- a little frequency for the AM sidebands this could be what you are hearing - the active whip would pick this up, but a tuned TX antenna would attenuate it considerably. Perhaps a bit more preselection required? Cheers, Jim Moritz 73 de M0BMU ----- Original Message ----- From: "Gerhard Hickl" > I'm working on a new DC-CW receiver and while testing, I found a > CW-Signal on 137.00 sending "BRK" every 10 seconds. >