Return-Path: Received: (qmail 22953 invoked from network); 9 Jul 2002 16:56:40 -0000 Received: from warrior.services.quay.plus.net (212.159.14.227) by mailstore with SMTP; 9 Jul 2002 16:56:40 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: (qmail 11983 invoked from network); 9 Jul 2002 16:55:52 -0000 Received: from post.thorcom.com (193.82.116.70) by warrior.services.quay.plus.net with SMTP; 9 Jul 2002 16:55:51 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 17RyE0-0000D6-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 09 Jul 2002 17:52:28 +0100 Received: from mrwint.cisco.com ([144.254.98.48] helo=cisco.com) by post.thorcom.com with esmtp (Exim 3.33 #2) id 17RyDz-0000D1-00 for rsgb_lf_group@blacksheep.org; Tue, 09 Jul 2002 17:52:27 +0100 Received: from virgin.net (lon-sto4-lan-vlan132-dhcp10.cisco.com [144.254.108.13]) by cisco.com (8.8.8/2.6/Cisco List Logging/8.8.8) with ESMTP id RAA15868 for ; Tue, 9 Jul 2002 17:51:54 +0100 (BST) Message-ID: <3D2B1435.FE635610@virgin.net> Date: Tue, 09 Jul 2002 17:49:57 +0100 From: "Stewart Bryant" X-Mailer: Mozilla 4.76 [en]C-CCK-MCD (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Amtor FEC on LF References: <200207090014_MC3-1-5A1-3D46@compuserve.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: "'Geri' Kinzel, DK8KW" wrote: > Andy, > > >Isn't AMTOR / RTTY a rather wide and dirty mode to be using on LF ? > >170 Hz shift transmitting 100 Baud is at least 300 Hz wide......... > > ... well, Andy, you are definetely right, AMTOR is by far not an optimum > mode for LF, but here in Northern Germany, the LF population density is > very low, my next active LF neighbor is over 100 km away, so it does not > cause the same trouble you might have in areas such as the U.K. but helps > to fill the band at least with some signals .... ;-) > > But scaled down Amtor (divide by 10 all round) might be useful Stewart G3YSX