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foota
on Aug 24, 2020
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Height Modernization: Recalibrating where the U.S....
I'm surprised by the magnitude of the effect. I wouldn't have expected things to move around enough for the length of a day to vary by a millisecond?
kd5bjo
on Aug 24, 2020
[–]
It doesn’t mention what sort of frequency those variations happen at. If the variation is caused primarily by plate tectonics, it might take a year or more to swing between the two extremes.
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