Return-Path: Received: from mtain-dc04.r1000.mx.aol.com (mtain-dc04.r1000.mx.aol.com [172.29.64.132]) by air-mc03.mail.aol.com (v129.4) with ESMTP id MAILINMC034-a8de4cb36d2d4; Mon, 11 Oct 2010 16:01:49 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dc04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 96A7E380000BB; Mon, 11 Oct 2010 16:01:47 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1P5OXa-0005Ow-Ca for rs_out_1@blacksheep.org; Mon, 11 Oct 2010 21:00:10 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1P5OXZ-0005On-Qu for rsgb_lf_group@blacksheep.org; Mon, 11 Oct 2010 21:00:09 +0100 Received: from smtp5.freeserve.com ([193.252.22.151] helo=smtp6.freeserve.com) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1P5OXX-0008SW-HH for rsgb_lf_group@blacksheep.org; Mon, 11 Oct 2010 21:00:09 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3523.me.freeserve.com (SMTP Server) with ESMTP id A78CE1C0008D for ; Mon, 11 Oct 2010 22:00:01 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3523.me.freeserve.com (SMTP Server) with ESMTP id 99A991C0008F for ; Mon, 11 Oct 2010 22:00:01 +0200 (CEST) Received: from AGB (unknown [91.109.52.168]) by mwinf3523.me.freeserve.com (SMTP Server) with SMTP id 210271C0008D for ; Mon, 11 Oct 2010 21:59:59 +0200 (CEST) X-ME-UUID: 20101011195959135.210271C0008D@mwinf3523.me.freeserve.com Message-ID: <9A74CEF058E2487FA9176ACE1E1A781B@AGB> From: "Graham" To: References: In-Reply-To: Date: Mon, 11 Oct 2010 20:59:58 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Antivirus: avast! (VPS 101011-1, 11/10/2010), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: QRM 498-502 kHz -update- 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-global-disposition: G x-aol-sid: 3039ac1d40844cb36d2b1d30 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none We may be looking at the commercial testing of a replacement for the navtext 518 system, with a wide band (European) spread spectrum multi psk system , ( MT63 broadcast type? ) the original single tome carriers looked to of been bandwidth tests , as to where the tx is located it may be southern Europe , may even be on board a ship ? As to how this testing fit's with the allocated 500 band's in Europe is anyone's guess ..or is this linked to the 'odd' dual 500 allocation, with a gap round 500 posted from the other side of the pond ? G . -------------------------------------------------- From: "Graham" Sent: Wednesday, October 06, 2010 12:29 AM To: Subject: Re: LF: QRM 498-502 kHz > > Looks like 'we' are in for a interesting winter window .. ! > > Its possible that the signal is beamed , so signal levels may > no give a true guide ? > > Don't quite know why wspr has started on 501 , we did take some time > to > separate , qrss beacons , cw , data (sorry mal) and wspr at the top > end > in the dead zone close to the 504 splatter , unless its a tribute > to levi ? > > Perhaps a quick tune in the Moscow region may give a hint ? > > G. > > > > -------------------------------------------------- > From: "Lee Hudson" > Sent: Tuesday, October 05, 2010 11:38 PM > To: > Subject: RE: LF: QRM 498-502 kHz > >> >> Hi John, Roelof, Graham, and all, >> >> Set up the grabber here so you can see the signal I refer. >> Notably it doesn't seem as strong as yesterday and with considerably more >> QSB. >> >> http://www.m0lmh.co.uk/grabs/600m.jpg >> >> Will leave it running for a few hours yet. >> >> As Graham mentioned, it does make monitoring the 501100 WSPR slot rather >> patchy. >> Maybe I should make a DF loop for such quandries. >> >> 73, >> Lee M0LMH. >> >> >> >> > > > >