[time-nuts] 60Hz line data
Hal Murray
hmurray at megapathdsl.net
Fri Aug 7 14:49:17 EDT 2015
alexpcs at ieee.org said:
> but for a very long time we get --or better to say got in the past -- the
> correct number of periods of the line frequency, I have two clocks side by
> side -- one driven by the power line the other is an "atomic clock" from
> Westclox guided by WWVB and the seldom "disagree" about the time
Which grid are you on? (I'm on the west coast.)
Was your observation recent?
It wouldn't surprise me if the timing accuracy has degraded over the years.
I have some data from 2012, but it will take me a while to clean it up and
make a nice graph.
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