Return-Path: Received: from rly-db09.mx.aol.com (rly-db09.mail.aol.com [172.19.130.84]) by air-db06.mail.aol.com (v121_r4.4) with ESMTP id MAILINDB061-aea49636ab859; Tue, 06 Jan 2009 09:29:16 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-db09.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINDB098-aea49636ab859; Tue, 06 Jan 2009 09:29:14 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LKCvG-00079h-BF for rs_out_1@blacksheep.org; Tue, 06 Jan 2009 14:28:46 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LKCvF-00079Y-Vw for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2009 14:28:45 +0000 Received: from smtp5-g21.free.fr ([212.27.42.5]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1LKCvD-0008Li-RK for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2009 14:28:45 +0000 Received: from smtp5-g21.free.fr (localhost [127.0.0.1]) by smtp5-g21.free.fr (Postfix) with ESMTP id 403DBD48221 for ; Tue, 6 Jan 2009 15:28:35 +0100 (CET) Received: from [192.168.0.1] (cha86-1-82-247-200-10.fbx.proxad.net [82.247.200.10]) by smtp5-g21.free.fr (Postfix) with ESMTP id 328F3D481DC for ; Tue, 6 Jan 2009 15:28:33 +0100 (CET) Message-ID: <49636A90.60205@online.fr> Date: Tue, 06 Jan 2009 15:28:32 +0100 From: =?UTF-8?B?IkplYW4tUGllcnJlIE3DqXLDqSAoRjFBRkopIg==?= User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <49632817.1000206@online.fr> In-Reply-To: X-Karma: 0: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Noise Content-Type: text/plain; charset=UTF-8; format=flowed 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=0.0 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 X-Mailer: Unknown (No Version) Hello Markus , Lubos , Markus Vester a =C3=A9crit : > ... the strong noise bands were caused by Luxembourg effect=20 > (ionospheric crossmodulation) from a strong LF or MF broadcasting=20 > transmitter onto the DCF39 carrier. When the "heater" is modulated by=20 > music, the spectrum often shows distinct bands related to the tones of=20 > the musical scale. Attached is a grabber snapshot just after 2:10,=20 > with DF colours rotated to bluegreen. The band near 137.78 kHz is=20 > clearly visible. huummmm ! Markus , I do not think that it is of =E2=80=9C Luxembourg effect= =E2=80=9D=20 because at the same time when Lubos and me noted the phenomenon, I were in direction of 295 =C2=B0 (the USA) in this=20 direction I never noted of =E2=80=9C Luxembourg effect=E2=80=9D I thus think that it came besides !!!! ?????? > Despite some distant QRN, very good signals from XKO and WD2XKO were=20 > visible through most of the night, with the last "J" coming through as=20 > late as 9:15. Here I copied it until passed 9:30 ( see on my grabber ) > > Markus, DF6NM Have you could see your signal on the grabber of Laurence in China ? 73 qro Jean-Pierre f1afj