That is what I thought. How can a national grid work if SCE is zigging when 
PG&E is zagging?

Not true when I visited Roatán. ( 
Time on the clock on the kitchen stove wandered all over the place, sometimes 
15 minutes in one day.


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Jesse 1 Robinson
Sent: Friday, February 23, 2018 1:49 PM
Subject: Re: Timer Unis (was: ... time change ...)

Long before I came to work for one, I heard that power companies are pretty 
rigorous in maintaining a constant sine wave, whether 50 or 60 Hz. The power 
might go out (!), but it won't wander in frequency. 

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