Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mb01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 96E4F380000BD; Fri, 15 Jun 2012 10:53:37 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SfXtB-000326-Dk for rs_out_1@blacksheep.org; Fri, 15 Jun 2012 15:52:41 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SfXtA-00031x-Qx for rsgb_lf_group@blacksheep.org; Fri, 15 Jun 2012 15:52:40 +0100 Received: from out1.ip07ir2.opaltelecom.net ([62.24.128.243]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1SfXt7-0006iA-PA for rsgb_lf_group@blacksheep.org; Fri, 15 Jun 2012 15:52:39 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnYFALJH208CYr7p/2dsb2JhbABFgkWiMJBdgQgPAQGCBwEBBQglHAUICCYBBAUDAxEDAQEBCiUxAgYMCggGDwQBBwkBCwSHXAMPB7A7A4lYizaFMWADiA+FNJEFhlmCYQ X-IronPort-AV: E=Sophos;i="4.77,417,1336345200"; d="scan'208,217";a="38609651" Received: from host-2-98-190-233.as13285.net (HELO TraceyPC) ([2.98.190.233]) by out1.ip07ir2.opaltelecom.net with SMTP; 15 Jun 2012 15:52:36 +0100 Message-ID: From: "Tracey Gardner" To: References: <001101cd4b04$06f9f7d0$0401a8c0@xphd97xgq27nyf> In-Reply-To: <001101cd4b04$06f9f7d0$0401a8c0@xphd97xgq27nyf> Date: Fri, 15 Jun 2012 15:52:31 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hello mal In fact all the NDBs located in the new band are tone modulated. 73s Tracey [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [62.24.128.243 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 81bfb86f88251daa8e0899e4ba7e8646 Subject: LF: Re: Fw: [rsgb_lf_group] Band Planning for 472 Khz Band ? Content-Type: multipart/alternative; boundary="----=_NextPart_000_069D_01CD4B0E.DF8F2CA0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_70_80,HTML_MESSAGE, 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-SCOLL-SCORE: 1:2:479528512:93952408 X-AOL-SCOLL-URL_COUNT: 8 x-aol-sid: 3039ac1d60154fdb4c717d52 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_069D_01CD4B0E.DF8F2CA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello mal In fact all the NDBs located in the new band are tone modulated. 73s Tracey ----- Original Message -----=20 From: mal hamilton=20 To: rsgb=20 Sent: Friday, June 15, 2012 3:34 PM Subject: LF: Fw: [rsgb_lf_group] Band Planning for 472 Khz Band ? Tracy es Co The only safe mode on this band is attended CW and possibly QSO MODE = Opera so that one can take evasive action immediately to avoid causing = QRM to the commercial Beacons when propagation changes take place, like = wise to avoid Beacons causing the radio amateur QRM.=20 Prolonged Unattended Beacons in any mode generated by radio amateurs = should be a non starter also QRSS at extremely slow speeds should be = avoided. These commercial Beacons take up more spectrum that you think because = they are often tone modulated (MCW) g3kev ----- Original Message -----=20 From: Tracey Gardner=20 To: rsgb_lf_group@yahoogroups.co.uk=20 Sent: Friday, June 15, 2012 1:17 PM Subject: [rsgb_lf_group] Band Planning for 472 Khz Band ? =20 Twenty-seven NDBs have been logged in Europe between 472-479kHz. Twelve of those have been logged from the UK. The NDB database on the Classaxe web site would provide detailed = information on frequencies which should be avoided. It should be borne in mind that the NDBs use A2 mode with a mix of = approx 400Hz and 1020Hz modulation, so there are a good number of = specific slots to be wary of. http://www.classaxe.com/dx/ndb/reu/ Perhaps some consideration should be given to setting up some form of = guard bands/frequencies in order to avoid any problems with NDBs? 73s Tracey G5VU __._,_.___ Reply to sender | Reply to group | Reply via web post | Start a new = topic=20 Messages in this topic (7)=20 Recent Activity: a.. New Members 4=20 Visit Your Group=20 Switch to: Text-Only, Daily Digest . Unsubscribe . Terms of Use. =20 __,_._,___ No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.2177 / Virus Database: 2433/5071 - Release Date: = 06/15/12 ------=_NextPart_000_069D_01CD4B0E.DF8F2CA0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hello mal
 
In fact all the NDBs located in the new band are tone = modulated.
 
73s Tracey
 
 
----- Original Message -----
From:=20 mal=20 hamilton
To: rsgb
Sent: Friday, June 15, 2012 = 3:34 PM
Subject: LF: Fw: = [rsgb_lf_group] Band=20 Planning for 472 Khz Band ?

Tracy es Co
The only safe mode on this band is attended = CW and=20 possibly QSO MODE Opera so that one can take evasive action = immediately to=20 avoid causing QRM to the commercial Beacons when propagation changes = take=20 place,  like wise to avoid Beacons causing the radio amateur QRM. =
Prolonged Unattended Beacons in any mode = generated by=20 radio amateurs should be a non starter also QRSS at extremely = slow speeds=20 should be avoided.
These commercial Beacons take up more spectrum = that you=20 think because they are often tone modulated (MCW)
g3kev
 
 
 
----- Original Message -----=20
From: Tracey Gardner
Sent: Friday, June 15, 2012 1:17 PM
Subject: [rsgb_lf_group] Band Planning for 472 Khz Band=20 ?

  =

 
Twenty-seven NDBs have been logged in Europe between = 472-479kHz.
Twelve of those have been logged from the UK.
The NDB database on the Classaxe web site would provide = detailed=20 information on frequencies which should be avoided.
It should be borne in mind that the NDBs use A2 mode with a = mix of=20 approx 400Hz and 1020Hz modulation, so there are a good number of = specific=20 slots to be wary of.
 
 http://www.classaxe.com/dx/n= db/reu/
 
Perhaps some consideration should be given to setting up some = form of=20 guard bands/frequencies in order to avoid any problems with = NDBs?
 
73s Tracey G5VU

__._,_.___
Reply=20 to sender | Reply=20 to group | Reply=20 via web post | Start=20 a new topic
Messages=20 in this topic (7) =
Recent Activity:=20 New=20 Members 4
Visit=20 Your Group
=20
Switch to: Text-Only,=20 Daily=20 Digest =95 Unsubscribe=20 =95 Terms of = Use
.

__,_._,___

No virus found in this=20 message.
Checked by AVG - www.avg.com
Version: 2012.0.2177 / = Virus=20 Database: 2433/5071 - Release Date: = 06/15/12

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