Return-Path: Received: (qmail 10532 invoked from network); 15 May 2001 12:38:15 -0000 Received: from unknown (HELO warrior-inbound.servers.plus.net) (212.159.14.227) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 15 May 2001 12:38:15 -0000 Received: (qmail 455 invoked from network); 15 May 2001 12:37:44 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior with SMTP; 15 May 2001 12:37:44 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 14zdzz-0005ke-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 15 May 2001 13:32:23 +0100 X-Priority: 3 X-MSMail-Priority: Normal Received: from [213.2.16.106] (helo=rsgb.org.uk) by post.thorcom.com with esmtp (Exim 3.16 #2) id 14zdzv-0005kY-00 for rsgb_lf_group@blacksheep.org; Tue, 15 May 2001 13:32:19 +0100 Received: from miked by rsgb.org.uk with SMTP (MDaemon.PRO.v4.0.0.R) for ; Tue, 15 May 2001 13:27:44 +0100 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Tue, 15 May 2001 13:27:41 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit Subject: LF: Is 0.5dB useful? Message-ID: <3B012ECD.27863.DF24E0@localhost> In-reply-to: <65AECDF1F89AD411900400508BFC869F9C049C@pdw-mail-1.dera.gov.uk> X-Mailer: Pegasus Mail for Win32 (v3.12c) X-Return-Path: miked@mail X-MDaemon-Deliver-To: rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: > Also, note that at the critical point on the error rate vs. S/N curve, > when using a strong error correcting code like WOLF, 0.5dB can be the > difference between no copy at all and perfect copy. > > Andy 'JNT Even with analogue modes this sort of improvement can be much more useful than many people would think when the signal is close to the noise. I would always go for any improvement, no matter how small, as they all add up. Mike, G3XDV (IO91VT) http://www.lf.thersgb.net