News for hackers. Stuff that matters.

A comment on NIST was 5 μs off UTC after last week's power cut. Parent comment

Re:NIST was 5 μs off UTC after last week's power cut by srean on Monday December 22, 2025 @04:36PM (#46359438)
Not sure but synthetic massive aperture radio telescope would need syncing their local clocks.

I defer to the experts.

[ Parent | on HN ]
Re:NIST was 5 μs off UTC after last week's power cut by jasonwatkinspdx on Monday December 22, 2025 @08:48PM (#46361498)
As far as I'm aware they just timestamp the sample streams based on a local gps backed reference. Then when they get the data/tapes in one computing center they can just run a more sophisticated correlation in software to smooth things out.
[ Parent | on HN ]