Return-Path: Received: (qmail 20390 invoked from network); 1 Dec 2002 07:50:53 -0000 Received: from netmail01.services.quay.plus.net (212.159.14.219) by mailstore with SMTP; 1 Dec 2002 07:50:53 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: (qmail 8181 invoked by uid 10001); 1 Dec 2002 07:50:45 -0000 Received: from post.thorcom.com (193.82.116.70) by netmail01.services.quay.plus.net with SMTP; 1 Dec 2002 07:50:45 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.10) id 18IOoP-0000UX-00 for rsgb_lf_group-outgoing@blacksheep.org; Sun, 01 Dec 2002 07:46:45 +0000 Received: from [212.35.226.183] (helo=k2.pncl.co.uk) by post.thorcom.com with esmtp (Exim 4.10) id 18IOoO-0000UO-00 for rsgb_lf_group@blacksheep.org; Sun, 01 Dec 2002 07:46:45 +0000 Received: from k7t.pncl.co.uk (234.234.35.212.in-addr.arpa.ip-pool.cix.co.uk [212.35.234.234]) by k2.pncl.co.uk (8.12.3/8.12.3/Debian -4) with ESMTP id gB17khnB031744 for ; Sun, 1 Dec 2002 07:46:44 GMT Message-ID: <5.1.0.14.2.20021201074041.00a1e7a0@mail.pncl.co.uk> X-Sender: blanch@mail.pncl.co.uk X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Sun, 01 Dec 2002 07:44:21 +0000 To: rsgb_lf_group@blacksheep.org From: "Walter Blanchard" MIME-Version: 1.0 Subject: LF: DTCXO Content-Type: multipart/mixed; boundary="------------090408080701090608000601" X-Spam-Status: No, hits=0.8 required=5.0tests=SPAM_PHRASE_00_01version=2.42 Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group This is a multi-part message in MIME format. --------------090408080701090608000601 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Jose, Thank you - the Temex note explains all! Obviously ICOM tried a DTCXO in the 706 Mk II, found it unsatisfactory, and reverted to a straight TCXO in the IIG. Alan, Try http://www.npl.co.uk/npl/ctm Lots more time stuff there. Incidentally, Alberto is right, the H2 masers with stability only 10E13 must be 30 years old! NPL are playing with caesium fountain technology which promises 10E16 Walter G3JKV. --------------090408080701090608000601 Content-Type: text/plain; charset=windows-1252; name="ATT10944.txt" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="ATT10944.txt" --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.410 / Virus Database: 231 - Release Date: 31/10/02 --------------090408080701090608000601--