Return-Path: Received: from mtain-de12.r1000.mx.aol.com (mtain-de12.r1000.mx.aol.com [172.29.64.212]) by air-dd01.mail.aol.com (v129.4) with ESMTP id MAILINDD013-86574d37510b25; Wed, 19 Jan 2011 16:00:59 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de12.r1000.mx.aol.com (Internet Inbound) with ESMTP id A708D38000177; Wed, 19 Jan 2011 16:00:57 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Pff8G-00044P-5m for rs_out_1@blacksheep.org; Wed, 19 Jan 2011 20:59:56 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Pff8F-00044G-L2 for rsgb_lf_group@blacksheep.org; Wed, 19 Jan 2011 20:59:55 +0000 Received: from mout3.freenet.de ([195.4.92.93]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Pff8D-0007I8-Vl for rsgb_lf_group@blacksheep.org; Wed, 19 Jan 2011 20:59:55 +0000 Received: from [195.4.92.23] (helo=13.mx.freenet.de) by mout3.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.72 #3) id 1Pff8C-0003IN-Nr for rsgb_lf_group@blacksheep.org; Wed, 19 Jan 2011 21:59:52 +0100 Received: from blfd-4d08e649.pool.mediaways.net ([77.8.230.73]:2249 helo=[192.168.0.101]) by 13.mx.freenet.de with esmtpsa (ID dl4yhf@freenet.de) (TLSv1:CAMELLIA256-SHA:256) (port 465) (Exim 4.72 #3) id 1Pff8C-0004Kj-Ho for rsgb_lf_group@blacksheep.org; Wed, 19 Jan 2011 21:59:52 +0100 Message-ID: <4D3750C7.10508@freenet.de> Date: Wed, 19 Jan 2011 21:59:51 +0100 From: wolf_dl4yhf User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: In-Reply-To: X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: reference DHO38 Content-Type: multipart/alternative; boundary="------------040605060700080005040506" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.0 required=5.0 tests=HTML_20_30,HTML_MESSAGE, HTML_TITLE_EMPTY 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: 3039ac1d40d44d37510976e5 X-AOL-IP: 195.171.43.25 X-Mailer: Unknown (No Version) --------------040605060700080005040506 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Am 19.01.2011 21:28, schrieb Laurence KL7UK: > I cant remember is DHo38 stable to be used as a reference recently > with SpecL? - Ive lost NPM for the moment and making a mess of the > display :-)) > > Laurence KL 7UK remote 5 > > > > It's relatively stable, enough for this application, but not for phase measurements. IIRC, DHO38 isn't spot on frequency ... the phase wanders off by a few degrees per minute, so it's just a few mHz off. And the folks take a one hour coffee break each morning, during which the transmitter is off. More questionable if the signal is strong & stable enough over that distance. 73, Wolf DL4YHF . --------------040605060700080005040506 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Am 19.01.2011 21:28, schrieb Laurence KL7UK:

I cant remember is DHo38 stable to be used as a reference recently with SpecL? - Ive lost NPM for the moment and making a mess of the display :-))

Laurence KL 7UK remote 5

It's relatively stable, enough for this application, but not for phase measurements.
IIRC, DHO38 isn't spot on frequency ... the phase wanders off by a few degrees per minute, so it's just a few mHz off. And the folks take a one hour coffee break each morning, during which the transmitter is off.
More questionable if the signal is strong & stable enough over that distance.

73,
Wolf DL4YHF .
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