Return-Path: Received: from rly-yb01.mx.aol.com (rly-yb01.mail.aol.com [172.18.205.133]) by air-yb04.mail.aol.com (v121.4) with ESMTP id MAILINYB42-17a477aa10020d; Tue, 01 Jan 2008 15:22:38 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-yb01.mx.aol.com (v121.4) with ESMTP id MAILRELAYINYB18-17a477aa10020d; Tue, 01 Jan 2008 15:22:25 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1J9nc0-0004Qv-US for rs_out_1@blacksheep.org; Tue, 01 Jan 2008 20:21:20 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1J9nc0-0004Qm-DX for rsgb_lf_group@blacksheep.org; Tue, 01 Jan 2008 20:21:20 +0000 Received: from smtpout07-04.prod.mesa1.secureserver.net ([64.202.165.233] helo=smtpout07.prod.mesa1.secureserver.net) by relay3.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1J9nbx-0003fo-5w for rsgb_lf_group@blacksheep.org; Tue, 01 Jan 2008 20:21:20 +0000 Received: (qmail 17273 invoked from network); 1 Jan 2008 20:21:01 -0000 Received: from unknown (24.177.53.244) by smtpout07-04.prod.mesa1.secureserver.net (64.202.165.233) with ESMTP; 01 Jan 2008 20:21:00 -0000 Message-ID: <477AA0AB.1000300@w1tag.com> Date: Tue, 01 Jan 2008 20:20:59 +0000 From: John Andrews User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: 600 meter group , "Discussion of the Lowfer (US, European, & UK) and MedFer bands" , "rsgb_lf_group@blacksheep.org" X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,RCVD_IN_NJABL_PROXY=0.327 Subject: LF: Keyboard modes for 600 meters Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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 X-AOL-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_helo : n X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : n X-Mailer: Unknown (No Version) As many of you know, Jay Rusgrove and I have been running tests on a variety of keyboard modes for use in the 500 kHz area. Our focus has been on modes that work well for casual QSO's and possibly emergency communication. Resistance to noise and fading has been a prime consideration. While this is a work in progress, I have posted an article at: http://www.w1tag.com/600M_Modes.htm Comments and suggestions are welcome. Thanks very much to all who have participated in the tests! John Andrews, W1TAG / WE2XGR/3