From owner-freebsd-hackers Fri Dec 26 02:14:41 1997 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.7/8.8.7) id CAA04798 for hackers-outgoing; Fri, 26 Dec 1997 02:14:41 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from rah.star-gate.com (rah.star-gate.com [204.188.121.18]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id CAA04794 for ; Fri, 26 Dec 1997 02:14:36 -0800 (PST) (envelope-from hasty@rah.star-gate.com) Received: from rah.star-gate.com (localhost.star-gate.com [127.0.0.1]) by rah.star-gate.com (8.8.8/8.8.8) with ESMTP id CAA00227; Fri, 26 Dec 1997 02:14:29 -0800 (PST) (envelope-from hasty@rah.star-gate.com) Message-Id: <199712261014.CAA00227@rah.star-gate.com> X-Mailer: exmh version 2.0gamma 1/27/96 To: Peter Dufault cc: hackers@FreeBSD.ORG Subject: Re: procedure to adjust clock drift? In-reply-to: Your message of "Thu, 25 Dec 1997 04:30:16 EST." <199712250930.EAA25694@hda.hda.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 26 Dec 1997 02:14:28 -0800 From: Amancio Hasty Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk Hi Guys, I managed to run into a GPS unit called the Tripmate which retails for $200. http://www.delorme.com/products/ It looks like a cool GPS unit which can be interfaced to a Pilot or a PC. Right now , I am just wondering if anyone has one and if it can provide a time clock . Tnks, Amancio > > Does anyone have a procedure to adjust the clock drift in a PC? > > In addition to the obvious "use nttp", here is a pointer to > "How to get NIST-traceable time on your computer": > > http://www.boulder.nist.gov/timefreq/pubs/hownist/hownis.htm > > I haven't read the whole thing, but it will tell you how to get > NIST traceable time via radio, telephone, and the internet. > > Peter > > PS: The PBS time signals sound questionable since I immediately found > a pointer to a comp.risks posting where the time was correct but > the day was off by one. > > > -- > Peter Dufault (dufault@hda.com) Realtime development, Machine control, > HD Associates, Inc. Safety critical systems, Agency approval >