Return-Path: Received: (qmail 66945 invoked from network); 6 Dec 2004 16:39:30 -0000 Received: from unknown (HELO ptb-spamcore01.plus.net) (192.168.71.1) by ptb-mailstore01.plus.net with SMTP; 6 Dec 2004 16:39:30 -0000 Received: from mailnull by ptb-spamcore01.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1CbMDP-0002sz-M9 for dave@picks.force9.co.uk; Mon, 06 Dec 2004 17:00:04 +0000 Received: from [192.168.67.3] (helo=ptb-mxcore03.plus.net) by ptb-spamcore01.plus.net with esmtp (Exim 4.32; FreeBSD) id 1CbMDP-0002sv-GM for dave@picks.force9.co.uk; Mon, 06 Dec 2004 16:59:59 +0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1CbLtV-0000a5-JF for dave@picks.force9.co.uk; Mon, 06 Dec 2004 16:39:25 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1CbLsR-0003mG-3N for rs_out_1@blacksheep.org; Mon, 06 Dec 2004 16:38:19 +0000 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1CbLsQ-0003m7-ME for rsgb_lf_group@blacksheep.org; Mon, 06 Dec 2004 16:38:18 +0000 Received: from smarthost0.mail.uk.easynet.net ([212.135.6.10]) by relay.thorcom.net with esmtp (Exim 4.41) id 1CbLsM-00049r-Vz for rsgb_lf_group@blacksheep.org; Mon, 06 Dec 2004 16:38:18 +0000 Received: from apache1-wm.uk.easynet.net ([212.135.6.52]) by smarthost0.mail.uk.easynet.net with esmtp (Exim 4.10) id 1CbLsH-000LVg-00 for rsgb_lf_group@blacksheep.org; Mon, 06 Dec 2004 16:38:09 +0000 Received: from www by apache1-wm.uk.easynet.net with local (Exim 3.36 #1) id 1CbLsC-000LkS-00 for rsgb_lf_group@blacksheep.org; Mon, 06 Dec 2004 16:38:04 +0000 Received: from 205.172.40.2 ([205.172.40.2]) by webmail.ukonline.net (IMP) with HTTP for ; Mon, 6 Dec 2004 16:38:03 +0000 Message-ID: <1102351083.41b48aec066a8@webmail.ukonline.net> Date: Mon, 6 Dec 2004 16:38:04 +0000 From: captbrian To: rsgb_lf_group@blacksheep.org References: <6d7bf820.a65c1879.820dd00@mail05.onetel.net.uk> <000d01c4d55b$7bf4d680$045bfea9@d4f8d8> <001601c4d614$a28a9e60$61e4fc3e@l8p8y6> In-Reply-To: <001601c4d614$a28a9e60$61e4fc3e@l8p8y6> MIME-Version: 1.0 User-Agent: Internet Messaging Program (IMP) 3.2 X-Originating-IP: 205.172.40.2 X-SPF-Result: relay.thorcom.net: 212.135.6.10 is neither permitted nor denied by domain of ukonline.co.uk X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=no, Subject: Re: LF: Linear modes Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit 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) Most RTTY programs have a computere generated CW facility also. Morse-challenged operators could possibly use such ? Bryan G3GVB Quoting hamilton mal : > > ----- Original Message ----- > From: "Andy Talbot" > To: > Sent: Sunday, November 28, 2004 3:03 PM > Subject: Re: LF: Linear modes > > > > 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. > > Normal RTTY would not be acceptable on LF this has been discussed many times > before. > Everyone seems to be avoiding the obvious choice ie NORMAL CW. > The 500 khz band if it becomes available to radio amateurs has traditionally > been a CW band. > I would suggest that those interested in LF should learn CW. This mode is > more likely to attract new users on LF. > Data modes are useful if there is a large volume of traffic to move between > stations. The average radio amateur only exchanges Name, QTH, and QSA/QRK > and CW is ideal for this purpose and no complicated modems are required. > 73 de Mal/G3KEV > > > > > > > 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 > > > > > > > -- ---------------------------------------------- This mail sent through http://www.ukonline.net