Date: Fri, 19 Dec 1997 16:48:14 -0800 (PST) From: Jason Evans <jasone@keaggy.canonware.com> To: Poul-Henning Kamp <phk@freebsd.org> Cc: hackers@freebsd.org Subject: Re: NTP stratum 1 with GPS on FreeBSD Message-ID: <Pine.BSF.3.96.971219164348.2513D-100000@keaggy.canonware.com> In-Reply-To: <4163.882569925@critter.freebsd.dk>
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On Fri, 19 Dec 1997, Poul-Henning Kamp wrote: > If anybody is interested in getting their FreeBSD box to run as a > stratum 1 NTP server using GPS, I have been playing with a Motorola > "UT Oncore" evaluation kit, which so far gives excellent results. > > Price: $1K here in Denmark. > > It Interfaces via one COM port and one LPT port (for the PPS signal). > > Send me email if you are interested in this. Last summer I wrote some code to talk to a Trimble GPS receiver (in TSIP mode) that extracts the necessary info to do this (among other things). Some of the code is relatively ugly, but the packet parser is very nice. If anyone wants to make one of these cards work, let me know, and I'll see if I can find the code. Of course, you could just use the NMEA format with Trimble receivers, since you probably already have code for that... Jason
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