> -----Original Message----- > From: questions-bounces+edward.mischanko=arcelormittal....@lists.ntp.org > [mailto:questions- > bounces+edward.mischanko=arcelormittal....@lists.ntp.org] On Behalf Of > David Woolley > Sent: Sunday, May 26, 2013 3:52 AM > To: questions@lists.ntp.org > Subject: Re: [ntp:questions] Tighter regulation? > > Mischanko, Edward T wrote: > > > > > I tried reducing the Allan Intercept to 7 and the result was wild swings > in > > frequency ppm. I don't know why? Is the FLL broken? Has anyone else > > observed this behavior? > [Mischanko, Edward T]
To be more specific, I get wild adjustments in frequency when polling at or above the allan intercept setting with current FLL gain settings. Again, I don't know why? I don't understand how the frequency locked loop works verses the phase locked loop -- the differences? > If you are not suffering from wild swings in frequency, you should not > be trying to reduce the measured offsets. There are basically two > causes of high offsets, errors in you own frequency and errors in > measurement of the time. The latter you should be trying to get ntpd to > ignore, and only take the long term average of the time measurement. > > _______________________________________________ > questions mailing list > questions@lists.ntp.org > http://lists.ntp.org/listinfo/questions _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
