You know, there's a reason this list is called "time-nuts" and not "frequency-nuts" :-).
But sometimes I wonder if "phase-nuts" might be a better term. It is so incredibly useful to put your best 1 PPS into a scope and use that to watch for systemic effects on your second-best clock. That's why we then end up with a third, fourth, fifth, etc. clock :-) So many newcomer GPSDO makers seem to just do frequency lock but rarely do they or their users know the difference. At same time there are so many non-ntpd NTP implementations that just jump instead of slew the clock. Tim N3QE On Sun, Dec 18, 2016 at 6:16 PM, Bob Stewart <b...@evoria.net> wrote: > One thing I've never really understood is who actually uses the > high-quality 1PPS output from a GPSDO. I have spent a lot of time, effort, > and money on developing my GPSDO without a whole of thought to the user > base. It was just a quest for the best result I could obtain with a > particular technology. The frequency standard users was a no brainer. > Everyone who wants a frequency standard eventually understands they need to > get a GPSDO, or an Rb, or a Cs. And that's all I thought I had: a good > frequency standard. And then Tom prodded me a bit and showed me the > shortcomings of what I was doing, and I did something about it. So, if an > NTP user can get his time fix directly from a noisy receiver, who actually > needs a time-accurate, low jitter 1PPS pulse? > Bob - AE6RV > ----------------------------------------------------------------- > AE6RV.com > > GFS GPSDO list: > groups.yahoo.com/neo/groups/GFS-GPSDOs/info > _______________________________________________ > 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. > _______________________________________________ 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.
