Return-Path: Received: (qmail 3728 invoked from network); 28 Jan 2002 13:06:37 -0000 Content-Transfer-Encoding: 8bit Received: from unknown (HELO murphys-inbound.services.quay.plus.net) (212.159.14.225) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 28 Jan 2002 13:06:37 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: (qmail 8385 invoked from network); 28 Jan 2002 13:06:37 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys.services.quay.plus.net with SMTP; 28 Jan 2002 13:06:37 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 16VBLS-0007ui-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 28 Jan 2002 12:57:10 +0000 Received: from smtp1.libero.it ([193.70.192.51]) by post.thorcom.com with esmtp (Exim 3.33 #2) id 16VBLR-0007ud-00 for rsgb_lf_group@blacksheep.org; Mon, 28 Jan 2002 12:57:09 +0000 Received: from ath650.libero.it (151.25.147.214) by smtp1.libero.it (6.0.032) id 3BF1798A01E8AF7E for rsgb_lf_group@blacksheep.org; Mon, 28 Jan 2002 13:55:44 +0100 Message-ID: <5.1.0.14.0.20020128134705.01d300c0@pop.tiscalinet.it> X-Sender: IK1ODO@popmail.libero.it X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Mon, 28 Jan 2002 13:55:10 +0100 To: rsgb_lf_group@blacksheep.org From: "Marco Bruno" Subject: Re: LF: Re: AW: Strange signal on 135 kHz... In-reply-to: <3C553C12.22797928@usa.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: At 12.54 28/01/02, you wrote: >Gasparik Richard wrote: > > > During the weekend I had a lot of QRM on the band. It looks like > > crossmodulation from AM broadcast. > >Yes, I heard it too. I thought it was caused by the Luxembourg effect, >so didn't give it much attention. But now I will check if the language, >supposing I can hear it clear enough, is something similar to Czech.. >(which translates into checking that for me it is double Dutch...:-) > >73 Alberto I2PHD The interfering station will be different for every listener, since it depends on the geometry of the phenomenon... it was widely discussed on this reflector at the origins (three years ago...?) when we were not sure it was Luxembourg effect; at the time I presumed it was a defective emission from Europe 2 near Saarbrucken on 183 kHz or so. The modulation is wide, distorted and lacking high frequencies because of the thermal time constant of the ionosphere... a curious thing, that confirms that you are not hearing a spurious emission. Also, at times more than one station may be received. I may forward the relevant messages to anyone interested; I remember a very good explanation by Andre' Kesteloot. 73 - Marco IK1ODO