Return-Path: Received: (qmail 12029 invoked from network); 4 Jan 2001 15:56:00 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by extortion.plus.net with SMTP; 4 Jan 2001 15:56:00 -0000 Received: (qmail 22154 invoked from network); 4 Jan 2001 15:58:36 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 4 Jan 2001 15:58:36 -0000 Content-Transfer-Encoding: 8bit Received: from majordom by post.thorcom.com with local (Exim 3.16 #1) id 14ECgo-00008W-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 04 Jan 2001 15:52:30 +0000 Received: from bob.dera.gov.uk ([192.5.29.90]) by post.thorcom.com with esmtp (Exim 3.16 #1) id 14ECgk-00008R-00 for rsgb_lf_group@blacksheep.org; Thu, 04 Jan 2001 15:52:26 +0000 X-Priority: 3 X-MSMail-Priority: Normal Received: by bob.dera.gov.uk; (8.8.8/1.3/10May95) id PAA02744; Thu, 4 Jan 2001 15:53:16 GMT Received: (qmail 29077 invoked from network); 4 Jan 2001 16:46:40 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from gauntlet.mail.dera.gov.uk (172.16.9.10) by baton.dera.gov.uk with SMTP; 4 Jan 2001 16:46:40 -0000 Received: by gauntlet.mail.dera.gov.uk; id QAA23092; Thu, 4 Jan 2001 16:39:38 GMT Received: from unknown(10.71.64.31) by gauntlet.mail.dera.gov.uk via smap (3.2) id xma023019; Thu, 4 Jan 01 16:39:08 GMT Received: from FRN-MAIL-3.dera.gov.uk (unverified) by mailguard.dera.gov.uk (Content Technologies SMTPRS 4.1.5) with ESMTP id for ; Thu, 4 Jan 2001 15:54:17 +0000 Received: by frn-mail-3.dera.gov.uk with Internet Mail Service (5.5.2650.21) id ; Thu, 4 Jan 2001 15:51:44 -0000 Message-ID: <65AECDF1F89AD411900400508BFC869F0D74E4@pdw-mail-1.dera.gov.uk> From: "Talbot Andrew" To: rsgb_lf_group@blacksheep.org Subject: LF: RE: Freq stability, cheap source of Date: Thu, 4 Jan 2001 15:51:57 -0000 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2650.21) Content-Type: text/plain; charset=iso-8859-1; format=flowed Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Wherever did you find them at that price ? Mine cost nearly 100 pounds, and that was from the TAPR special deal on GPS25s. Not all handhelds have a 1pps output - before getting the GPS25 I searched the entire PCB on the Magellan Trailblazer, scope probing just about every pin on the ICs and found absolutely nothing resembling a stable 1 PPS clock. The data bursts from its NMEA output were too uncertain in their timing to even think of using as standard. Andy G4JNT > everyone. It is the 1 PPS from almost any second hand OEM level GPS > receiver. I have one here that cost $20 US$, about the size > of what we once> -- The Information contained in this E-Mail and any subsequent correspondence is private and is intended solely for the intended recipient(s). For those other than the recipient any disclosure, copying, distribution, or any action taken or omitted to be taken in reliance on such information is prohibited and may be unlawful.