What method do you use to measure 10ns deviation? | Hacker News

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		RossBencina 13 days ago \| parent \| context \| favorite \| on: The Limits of NTP Accuracy on Linux What method do you use to measure 10ns deviation?

eqvinox 13 days ago [–]

Delta between modules on a scope

(offset values on the hardware timestamp on the immediately connected PTP clock also line up with this)

[Caveat: everything is in the same room with the same ambient temperature drifts…]

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