"alkope...@googlemail.com" <alkope...@googlemail.com> writes:
>On Dec 18, 10:08=A0am, Martin Burnicki <martin.burni...@meinberg.de> >wrote: >> Hi, >> >> The PCI511 card decodes the AM signal from DCF77 only. Due to the >> characteristics of the AM signal the accuracy of the PCI511 card is only = >in >> the range of a few milliseconds, while the GPS card provides an accuracy >> better than 1 microsecond. >> >Hi, you got me wrong. I did not wonder about the offset between gps >and pps but about the offset between gps refclock and it's own gps pps >(same for dcf refclock and it's own dcf pps). >Take a look at this picture: http://img-up.net/img/gps-delay0tHm49.png That your gps report is slow is not surprizing. It is delivered in a manner that takes time to deliver. That you PPS has an offset of 20-40usec does surprize me. It should be much better than that (2-4ms is more typical) _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions
