From owner-freebsd-hackers Thu Jan 8 01:07:30 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.7/8.8.7) id BAA24254 for hackers-outgoing; Thu, 8 Jan 1998 01:07:30 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from parkplace.cet.co.jp (parkplace.cet.co.jp [202.32.64.1]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id BAA24236 for ; Thu, 8 Jan 1998 01:07:22 -0800 (PST) (envelope-from michaelh@cet.co.jp) Received: from localhost (michaelh@localhost) by parkplace.cet.co.jp (8.8.8/CET-v2.2) with SMTP id JAA03511 for ; Thu, 8 Jan 1998 09:06:47 GMT Date: Thu, 8 Jan 1998 18:06:47 +0900 (JST) From: Michael Hancock Reply-To: Michael Hancock To: FreeBSD Hackers Subject: Re: GPS for xntpd Stratum 1 servers In-Reply-To: <199801080323.VAA09484@nospam.hiwaay.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk On Wed, 7 Jan 1998, David Kelly wrote: > If you are on the 15th floor of a 30 floor building then you are going > to have troubles with the GPS in any case. Any view out the window will > have less than half the sky visible. Sometimes there may not be enough > satelites visible for a lock. Yeah, Mike Smith suggested RS-232 <==> Fiber <==> RS-232 to the roof, but unfortunately doing that costs an arm and a leg in this concrete jungle. Er, maybe just a leg these days. We'll just have to settle for having consistent time. Unless, I can find a dialup or radio time source here in Tokyo. > Was it the GPS-30PC TAPR bought closout from Garmin? $99, Don't know, I just came across the site last night. > http://www.tapr.org/gps/index.html. *Exactly* the GPS you would want for > this task. Bare minimum GPS in a weather tight case with integral > antenna. No display. Only has NEMA serial interface. -- michaelh@cet.co.jp http://www.cet.co.jp CET Inc., Daiichi Kasuya BLDG 8F 2-5-12, Higashi Shinbashi, Minato-ku, Tokyo 105 Japan Tel: +81-3-3437-1761 Fax: +81-3-3437-1766