Return-Path: Received: (qmail 28249 invoked from network); 23 Jan 2001 14:19:01 -0000 Received: from unknown (HELO warrior-inbound.servers.plus.net) (212.159.14.227) by 10.226.25.101 with SMTP; 23 Jan 2001 14:19:01 -0000 Received: (qmail 11653 invoked from network); 23 Jan 2001 14:22:31 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior with SMTP; 23 Jan 2001 14:22:31 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #1) id 14L4DG-0000Yk-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 23 Jan 2001 14:14:22 +0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from d12lmsgate-3.de.ibm.com ([195.212.91.201]) by post.thorcom.com with esmtp (Exim 3.16 #1) id 14L4DF-0000YV-00 for rsgb_lf_group@blacksheep.org; Tue, 23 Jan 2001 14:14:21 +0000 Received: from d12relay02.de.ibm.com (d12relay02.de.ibm.com [9.165.215.23]) by d12lmsgate-3.de.ibm.com (1.0.0) with ESMTP id PAA22640 for ; Tue, 23 Jan 2001 15:13:31 +0100 Received: from usa.net (ss8.bld.socks.ibm.com [9.14.4.73]) by d12relay02.de.ibm.com (8.8.8m3/NCO v4.95) with ESMTP id PAA251198 for ; Tue, 23 Jan 2001 15:13:20 +0100 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Message-ID: <3A6D9131.93205719@usa.net> Date: Tue, 23 Jan 2001 15:12:01 +0100 From: "Alberto di Bene" Organization: Undisclosed X-Mailer: Mozilla 4.76 [en] (Win95; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Sound Card Accuracy References: <200101222330.VAA19729@mozart.unetsul.com.br> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: py2pll@py.qsl.br wrote: > Hi ... > > I checked a SB16 ISA card running JVComm32 against 1pps from WWV and > a OEM > Furuno GPS and, in both cases, when applying correction, software > told a > value = 11024,80450540374 . > > A long number but reflects what I see on most softwares that don't > have offset adjustments. An 800Hz tone is measured as 796,4Hz ... > How can you have a 0.2 Hz error at 11025 Hz and then 3.6 Hz at 800 Hz ? Or did I understand wrongly your numbers ? 73 Alberto I2PHD