[time-nuts] Mains Frequency -again

[Kevin Rowett]

Hal,

Would  you describe the epoch for this offset data?

Thanks.

KR


> On Feb 22, 2021, at 8:53 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> 
> 
> 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.
> 
> 
> 
> 
> 
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
> 
> 
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