Date: Sat, 20 Dec 1997 09:19:35 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Nate Williams <nate@mt.sri.com> Cc: hackers@freebsd.org Subject: Re: NTP stratum 1 with GPS on FreeBSD Message-ID: <7498.882605975@critter.freebsd.dk> In-Reply-To: Your message of "Fri, 19 Dec 1997 16:32:49 MST." <199712192332.QAA22850@mt.sri.com>
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In message <199712192332.QAA22850@mt.sri.com>, Nate Williams writes: >> 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. > >How does it intergate with ntpd? Did you have to write the code to have >it talk to ntpd, or was that part of the kit. I'm busy writing it. Unfortunately our kernel doesn't really do nS timing yet, only uS, so my jitter is in the < 10 uS Peak-to-Peak range still. BTW: All you need to do to interface the "UT Oncore Evaluation Kit" to a PC is some custom cabling. No level Converters or anything needed :-) -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop."
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