[time-nuts] Mains Frequency -again

[Hal Murray]

andy.g4jnt at gmail.com said:
> So in the space of eleven days the mains timing has drifted a total of nearly
> two minutes.

That's 10 seconds per day.

------------

Thanks for the reminder.

I just updated my graph for 2020:
  http://users.megapathdsl.net/~hmurray/time-nuts/60Hz/60Hz-2020.png

Over 200 seconds peak-to-peak, but the graph is actually 14 months.  It 
includes an extra month on each end and Dec 2019 includes the lower peak.  185 
seconds p-p without it.

Starting at day 280, there is a run up of 160 seconds over 40 days.  4 seconds 
per day.

Starting back in late Dec 2019 there is a run of 82 seconds over 9 days, 9 
seconds per day.






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