Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de02.r1000.mx.aol.com (Internet Inbound) with ESMTP id B32DA380000A9; Mon, 5 Nov 2012 17:11:58 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TVUse-0006Ie-CU for rs_out_1@blacksheep.org; Mon, 05 Nov 2012 22:10:52 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TVUsd-0006IV-VN for rsgb_lf_group@blacksheep.org; Mon, 05 Nov 2012 22:10:51 +0000 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1TVUsc-0007U0-ED for rsgb_lf_group@blacksheep.org; Mon, 05 Nov 2012 22:10:50 +0000 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id qA5MAnK8003055 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 5 Nov 2012 23:10:49 +0100 Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de [129.206.22.206]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id qA5MAntO016738 for ; Mon, 5 Nov 2012 23:10:49 +0100 Message-ID: <50983962.4020400@iup.uni-heidelberg.de> Date: Mon, 05 Nov 2012 23:10:42 +0100 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <5097FDE9.3000000@iup.uni-heidelberg.de> <002301cdbb85$8ea40210$6d01a8c0@DELL4> In-Reply-To: <002301cdbb85$8ea40210$6d01a8c0@DELL4> X-Spam-Score: -1.1 (-) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Jay, I don't expect problems with my JT9-10 frequency stability. The mixer is in a PLL with the 10 kHz GPS ref signal, so the soundcard xtal is defining the stability. It should be sufficient. No drifting HF TRX in the signal generation chain. [...] Content analysis details: (-1.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [129.206.100.212 listed in list.dnswl.org] -0.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 8556389a5ea14fbbf9b9d801ab70c592 Subject: Re: LF: JT9-30 drfit Content-Type: multipart/alternative; boundary="------------040002090300050808070904" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE 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-global-disposition: G x-aol-sid: 3039ac1d40ca509839ae0ede X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. --------------040002090300050808070904 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Jay, I don't expect problems with my JT9-10 frequency stability. The mixer is in a PLL with the 10 kHz GPS ref signal, so the soundcard xtal is defining the stability. It should be sufficient. No drifting HF TRX in the signal generation chain. 73, Stefan Am 05.11.2012 19:44, schrieb jrusgrove@comcast.net: > Laurence Stefan > Is stability good enough for QRSS / DFCW 60 or 120? Eyes have an > easier time following frequency excursions than most digital mode > decoders ... > Jay W1VD WD2XNS WE2XGR/2 > --------------040002090300050808070904 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Jay,

I don't expect problems with my JT9-10 frequency stability. The mixer is in a PLL with the 10 kHz GPS ref signal, so the soundcard xtal is defining the stability. It should be sufficient. No drifting HF TRX in the signal generation chain.

73, Stefan

Am 05.11.2012 19:44, schrieb jrusgrove@comcast.net:
Laurence Stefan
 
Is stability good enough for QRSS / DFCW 60 or 120? Eyes have an easier time following frequency excursions than most digital mode decoders ...
 
Jay W1VD  WD2XNS  WE2XGR/2
 
 

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