Return-Path: Received: (qmail 22288 invoked from network); 4 Feb 2000 16:48:18 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by redlabel.core.plus.net.uk with SMTP; 4 Feb 2000 16:48:18 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 12GldF-0001xT-00 for rsgb_lf_group-outgoing@blacksheep.org; Fri, 04 Feb 2000 16:30:53 +0000 Received: from mserv1a.u-net.net ([195.102.240.34]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 12GldC-0001xO-00 for rsgb_lf_group@blacksheep.org; Fri, 04 Feb 2000 16:30:50 +0000 Received: from rsgb.u-net.com ([195.102.80.225] helo=rsgb.org.uk) by mserv1a.u-net.net with esmtp (Exim 2.10 #63) id 12GldW-0000GZ-00 for rsgb_lf_group@blacksheep.org; Fri, 4 Feb 2000 16:31:11 +0000 Received: from miked by rsgb.org.uk with SMTP (MDaemon.v2.8.7.0.R) for ; Fri, 04 Feb 2000 16:25:57 +0000 X-Priority: 3 X-MSMail-Priority: Normal From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Fri, 4 Feb 2000 16:25:54 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: LF: 73kHz / Soundcards In-reply-to: <5980.200002041455@gemini> X-Mailer: Pegasus Mail for Win32 (v3.11) X-MDaemon-Deliver-To: rsgb_lf_group@blacksheep.org X-Return-Path: miked@mail.rsgbhq Message-ID: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: M0BMU wrote: > A noise level -45dB relative to the carrier, within a few 100Hz of > the carrier is probably pretty good performance, or at least not a > major fault - after all, there is bound to be some ripple, and -45dB would > correspond to only1% or so voltage ripple. But the point is that previously it was much lower than this, so something has changed. Mike, G3XDV (IO91VT) http://www.dennison.demon.co.uk/activity.htm