Return-Path: Received: from mtain-de09.r1000.mx.aol.com (mtain-de09.r1000.mx.aol.com [172.29.64.209]) by air-da08.mail.aol.com (v129.4) with ESMTP id MAILINDA081-85ea4cab8f3c50; Tue, 05 Oct 2010 16:49:00 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de09.r1000.mx.aol.com (Internet Inbound) with ESMTP id 373C03800009B; Tue, 5 Oct 2010 16:48:59 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1P3EPx-00080Y-Vn for rs_out_1@blacksheep.org; Tue, 05 Oct 2010 21:47:21 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1P3EPx-00080P-Hl for rsgb_lf_group@blacksheep.org; Tue, 05 Oct 2010 21:47:21 +0100 Received: from smtp-vbr12.xs4all.nl ([194.109.24.32]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1P3EPv-0001bv-Cv for rsgb_lf_group@blacksheep.org; Tue, 05 Oct 2010 21:47:21 +0100 Received: from pc-roelof (ndb.demon.nl [82.161.81.65]) by smtp-vbr12.xs4all.nl (8.13.8/8.13.8) with ESMTP id o95KlD8B073029 for ; Tue, 5 Oct 2010 22:47:18 +0200 (CEST) (envelope-from roelof@ndb.demon.nl) To: rsgb_lf_group@blacksheep.org References: <507BA536922744A492A0688F07B4851F@Inspiron> <6CE5F9E1C58945C49E23494A9B755CE3@AGB> <20101005211707.34f8e8be@opc1> <20101005214122.35319e66@opc1> Date: Tue, 05 Oct 2010 22:47:10 +0200 MIME-Version: 1.0 From: "Roelof Bakker" Message-ID: In-Reply-To: <20101005214122.35319e66@opc1> User-Agent: Opera Mail/10.62 (Win32) X-Virus-Scanned: by XS4ALL Virus Scanner X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes Subject: Re: LF: QRM 498-502 kHz 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=0.0 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-global-disposition: G x-aol-sid: 3039ac1d40d14cab8f3b15c1 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) Op Tue, 05 Oct 2010 22:41:22 +0200 schreef John P-G : > On Tue, 5 Oct 2010 21:17:07 +0100 > John P-G wrote: > >> It seems strange that I can't hear it but that might help rule in/out >> a possible location? >> >> I'll keep looking. >> > > > I spoke too soon! I think I can see it on a waterfall now, but using a > passive wire antenna. Whether the ALA1530 loop has a low enough noise > floor to use it to DF is a moot point. I'll keep an eye on things see > if I can get something to get a bearing on. > > In the meantime I've set up SpecLab to save a grab every 5 minutes to > my public Dropbox folder, here: > > http://dl.dropbox.com/u/3551430/gm4slv.jpg > > The grabber covers 497.6 - 499.2 which shows the LF edge of the noise > at 498kHz. I might have to think about a Perseus now, to look at > wider areas. An SSB bandwidth suddenly looks so limited! > > Cheers, > > John -- Gemaakt met Opera's revolutionaire e-mailprogramma: http://www.opera.com/mail/