); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] Poul-Henning Kamp said the following on 07/26/2007 11:46 AM:
> In message <[EMAIL PROTECTED]>, Robert Sexton writes: >> ); SAEximRunCond expanded to false > >> 1. If I interface one of these to my closet-based server, do I really >> have a Stratum-1 source? 1us accuracy doesn't sound all that great, but >> I'm nut so sure that the server can take advantage of a pulse with >> greater accuracy. > > Stratum-1 - certainly. 1us accuracy ? Highly unlikely. > > The clock crystal in your computer is far too temperature sensitive > for that. > >> 2. Would I get significantly better performance if I shelled out $75 >> for one of the new trimble timing GPS modules, or found an old oncore >> timing module on ebay? > > No. > >> I know that the oscillator on my old AMD based UNIX machine isn't all >> that great, but I'll leave that question for another time. > > That is where you should spend your money first. > > Any GPS with a PPS output is sufficient to what you can do with a > normal clock crystal. Poul-Henning speaks with more practical NTP experience than I do, so I'd give greater weight to his answer than to mine... John _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
