Hi Even if they do take the correction, do they want it before or after the PPS comes along? If you have a destination device that wants it before the pps and a GPS that gives it to you after the PPS … that’s a bit of a problem.
Bob > On Mar 13, 2016, at 12:07 PM, Poul-Henning Kamp <p...@phk.freebsd.dk> wrote: > > -------- > In message <1e2b85.da47c0.4416d...@aol.com>, KA2WEU--- via time-nuts writes: > >> what is wrong with the Standford Research Rubidium standard with a 1 >> sec sync pulls form a GPS satellite ?" > > At least some of the firmware versions do not allow you to change the > PPSIN offset second by second, so you cannot compensate for the > "negative sawtooth", and the resulting "hanging bridges" means that > you have to us a very unoptimal PLL time constant. > > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > p...@freebsd.org | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
