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This option specifies that the reference clock is an unsynchronised
clock which is more stable than the system clock (e.g. TCXO, OCXO,
or atomic clock) and it should be used as a local standard to
stabilise the system clock. The refclock will bypass the source
selection. There should be at most one refclock specified with this
option and it should have the shortest polling interval among all
configured sources.
I understood this to mean:
1. some of the sanity check are skipped (e.g., checking phase alignment
with other sources)
2. the source will be used for *frequency* calculations
3. the source will not be used for *phase* calculations
So, based on these, I expected chrony to report some random but very stable
offset but still make (partial) use of the clock.
Is my understanding wrong?
Thanks,
Jeff.
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