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Jeff Geerling
jeffgeerling.com
did:plc:wgsnxwz2f6kwo6szjvgbpzda
A man with a watch knows what time it is. A man with two watches is never sure.
So now I have three GNSS PPS watches. And I can measure UTC to within 20-40ns. Just need my entire forearm.
Not done yet: portable rubidium atomic clock for holdover.
2026-07-27T21:29:11.473Z