Date: Wed, 7 Jan 1998 11:08:05 +0900 (JST) From: Michael Hancock <michaelh@cet.co.jp> To: FreeBSD Hackers <Hackers@FreeBSD.ORG> Subject: GPS for xntpd Stratum 1 servers Message-ID: <Pine.SV4.3.95.980107103042.21167A-100000@parkplace.cet.co.jp>
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I've been looking up GPS products that will work with FreeBSD and here's what I've found so far. 1) John Hay has contributed code for NMEA drivers in xntpd. This is a standard protocol emitted by devices used for the boat navigation industry, "and you thought this was the Information Super Highway". >From the xntpd docs it looks like he is using a Garmin 25XL GPS device. http://www.garmin.com only shows Garmin 45XL. I wonder how much these things cost? Anyway, this apparently works now on FreeBSD. 2) Poul is playing around with the Motorolla UT Oncore Evaluation Kit. >From what I gather, the "Evaluation Kit" is what you would actually end up using. The unit is housed in an aluminum casing and they provide the RS-232 cable and some control software that runs on a PC. This looks like a cheap way to get a pretty high quality device. A lot of devices out there require a Gadget box to interface to a PC, the Evaluation kit takes care of that for you. 3) There are products specifically made for the PC market like the Bancomm bc635/637PCI card with GPS. At http://www.bancomm.com they list Win95 and WinNT drivers but no UNIX. I don't know if they'll provide enough info to write a driver. Is there anyone else using GPS on FreeBSD with xntpd as a Stratum 1 server solution? Regards, Mike Hancock -- 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
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