X-GM-THRID: 1241081438804110844 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.78.172.10 with SMTP id u10cs500807hue; Thu, 5 Jul 2007 10:14:02 -0700 (PDT) Received: by 10.78.142.14 with SMTP id p14mr4807421hud.1183655642725; Thu, 05 Jul 2007 10:14:02 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id d26si17073580nfh.2007.07.05.10.13.57; Thu, 05 Jul 2007 10:14:02 -0700 (PDT) Received-SPF: neutral (google.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) DomainKey-Status: bad (test mode) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1I6Uq2-0003RX-PO for rs_out_1@blacksheep.org; Thu, 05 Jul 2007 18:09:54 +0100 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1I6Uq2-0003RO-5i for rsgb_lf_group@blacksheep.org; Thu, 05 Jul 2007 18:09:54 +0100 Received: from smtp812.mail.ird.yahoo.com ([217.146.188.72]) by relay2.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1I6Upx-0003RH-UV for rsgb_lf_group@blacksheep.org; Thu, 05 Jul 2007 18:09:53 +0100 Received: (qmail 37160 invoked from network); 5 Jul 2007 17:09:43 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btopenworld.com; h=Received:X-YMail-OSG:Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=EPNCW7wXzjPS5eysIrUO4NIj/A6at4dQ98v7xsX0tsBeDGwclH5ud5euBs+sfQMmho19r0oLu5lKprbChOaxIl3C8ERwCq3fV5nzxCCTwzWjVFiyOJxX5pL6RUJxhcctibKZ/eSusni6t+MoEcL2LIH4UYbw2ZWZZ9+fvzvxzCs= ; Received: from unknown (HELO w4o8m9) (james.moritz@btopenworld.com@81.131.36.58 with login) by smtp812.mail.ird.yahoo.com with SMTP; 5 Jul 2007 17:09:42 -0000 X-YMail-OSG: SeKvGFYVM1n47Z1uWKq9kiELT0uJ2sIIuhvOhreL.slnZTVYCUDWIw8zMOLu5WwU1VO961d6Kw-- Received: from 127.0.0.1 (AVG SMTP 7.5.476 [269.9.14/884]); Thu, 05 Jul 2007 18:09:28 +0100 Message-ID: <001e01c7bf27$3ee3e160$3a248351@w4o8m9> From: "James Moritz" To: References: <468CBA6B.31094.AD8C67@dave.davesergeant.com> Date: Thu, 5 Jul 2007 18:09:27 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 DomainKey-Status: good (testing) X-Spam-Score: -0.5 (/) X-Spam-Report: autolearn=disabled,AWL=-0.494 Subject: Re: LF: 500 - beacons Content-Type: text/plain; charset="iso-8859-1" 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 Status: O X-Status: X-Keywords: X-UID: 7173 Dear David, Dave, Alan, LF Group, My experience is that some stations are restricted to frequencies around 502kHz due to crystal control being used - there is relatively little going on nearer the band edges. Most of the beacon-type signals I have heard (or been responsible for...) were within the range 503 - 504kHz, and have not received much flak. I usually put in a CW identifier in case anyone is wondering who is "tuning up", but I have never yet had any enquiries from people not already active on the band. There is some QRM near the top of the band from harmonics of the the EI 252kHz broadcast signal that may affect stations further west, but it is pretty weak at my QTH Personally I would be happy to see more beacon signals, especially from further afield. It is very useful to have beacons if you want to investigate propagation, especially on 500kHz where there are few utility-type signals that can serve as ad-hoc beacons, and few amateurs actually equipped to operate on the band. We don't know much about propagation on 500kHz yet - The DI beacons and SM6BHZ give us some targets, but leave a lot of empty gaps in coverage. At the moment, there are few 500kHz stations, and so a lot of the time, there just are no signals on the band. Maybe one day it will be like a small part of 40m, but I think it will be a while before we have to worry that there are too many signals on the band. A beacon means there is some sort of an amateur radio presence, without making excessive demands on the operator's time. If you are just starting out on 500k and struggling to set up a receiving system, it is invaluable to actually have a real signal to listen for. For those who are not familiiar with QRSS, it is something potentially new and interesting, and not that hard to find out about. BTW - reading the "conditions and limitations" part of the new "lifetime" licence, it says in the section on station identification that the station must be identified by its callsign, but makes no reference to a CW identifier, or Morse code at all. So it looks like this requirement has dissapeared along with mandatory Morse. Cheers, Jim Moritz 73 de M0BMU