"David Lord" <> wrote in message news:7hd884f2t62h...@mid.individual.net... [] > That's good enough for me. The usb connection rules out > PPS mode and seems to limit to +/-10ms. > > > cheers > > David
Why rule out PPS? I tried a GPS/PPS signal over USB and found a jitter of about 45 microseconds: http://www.satsignal.eu/ntp/NTP-on-Windows-serial-port.html#usb I suspect that's far better than a radio-clock would require. If your USB hardware/software allows, I would certainly try PPS. Cheers, David _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions