Return-Path: Received: (qmail 76514 invoked from network); 28 Nov 2004 15:04:13 -0000 Received: from unknown (HELO ptb-spamcore01.plus.net) (192.168.71.1) by ptb-mailstore02.plus.net with SMTP; 28 Nov 2004 15:04:13 -0000 Received: from mailnull by ptb-spamcore01.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1CYQtj-0009uk-LX for dave@picks.force9.co.uk; Sun, 28 Nov 2004 15:23:35 +0000 Received: from [192.168.67.1] (helo=ptb-mxcore01.plus.net) by ptb-spamcore01.plus.net with esmtp (Exim 4.32; FreeBSD) id 1CYQtj-0009uh-Is for dave@picks.force9.co.uk; Sun, 28 Nov 2004 15:23:35 +0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1CYQay-000GXe-ET for dave@picks.force9.co.uk; Sun, 28 Nov 2004 15:04:12 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1CYQag-00042x-CU for rs_out_1@blacksheep.org; Sun, 28 Nov 2004 15:03:54 +0000 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1CYQag-00042o-0A for rsgb_lf_group@blacksheep.org; Sun, 28 Nov 2004 15:03:54 +0000 Received: from one.surfree.co.uk ([195.80.0.234]) by relay.thorcom.net with esmtp (Exim 4.41) id 1CYQae-0003ON-9N for rsgb_lf_group@blacksheep.org; Sun, 28 Nov 2004 15:03:53 +0000 Received: from [212.248.140.52] ([212.248.140.52]) by one.surfree.co.uk (8.9.3/8.9.3) with ESMTP id PAA07559 for ; Sun, 28 Nov 2004 15:59:38 GMT Received: from 127.0.0.1 (AVG SMTP 7.0.289 [265.4.3]); Sun, 28 Nov 2004 15:03:57 +0000 Message-ID: <000d01c4d55b$7bf4d680$045bfea9@d4f8d8> From: "Andy Talbot" To: rsgb_lf_group@blacksheep.org References: <6d7bf820.a65c1879.820dd00@mail05.onetel.net.uk> Date: Sun, 28 Nov 2004 15:03:56 -0000 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 Mime-Version: 1.0 X-SPF-Result: relay.thorcom.net: 195.80.0.234 is neither permitted nor denied by domain of southsurf.com X-Spam-Score: 0.1 (/) X-Spam-Report: autolearn=no,RCVD_IN_SORBS=0.1 Subject: Re: LF: Linear modes Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com 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-Spam-Filtered: by PlusNet SpamCORE (v3.00) An LF 'RTTY type waveform' already exists - Jason ! 'Normal' RTTY, even at the narrowest shift / baud rate for any of the standard software, would be far to wide to be sociable on LF. Andy G4JNT ----- Original Message ----- From: "Brian G3YKB" To: Sent: Sunday, November 28, 2004 2:34 PM Subject: Re: LF: Linear modes > > G3XDV writes: > > >My question about linear amplifiers sparked some useful > >dialogue about eliminating the need for linears. > > >If a new data mode is to be developed, it seems to me that > >two modes are needed. One for 'local' working in a CW > >bandwidth for those who do not wish to learn CW. The > >other in a much narrower bandwidth - the limiting factor > >being Loran lines - for intercontinental working. > > As so few stations have linear power amplifiers, I wonder if > "keyboard activity" (particularly for "local ragchews") could > be encouraged by using an "old" mode such as fsk(rtty?) ? > Many of us have the necessary software (some may still have > the hardware!!). > > Brian G3YKB > > > > -- > No virus found in this incoming message. > Checked by AVG Anti-Virus. > Version: 7.0.289 / Virus Database: 265.4.3 - Release Date: 2004-11-26 > > -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.289 / Virus Database: 265.4.3 - Release Date: 2004-11-26