[time-nuts] Features of a Precision Clock?
w0kgw at citlink.net
Fri Oct 6 18:28:46 EDT 2006
i believe the us power grid is on 60hz and that the power companies sync up
before providing power. that doesnt mean that everyone is in phase. the
east is some delayed from the west so that it depends where you are with
respect to the prime starting point. long term they are at 60hz to make the
clocks on time but for +/- with wwv, anybodys guess at any one point in
time. hope that helps some.
tom w0kgw at citlink.net
----- Original Message -----
From: "Hal Murray" <hmurray at suespammers.org>
To: "Discussion of precise time and frequency measurement"
<time-nuts at febo.com>
Sent: Friday, October 06, 2006 4:10 PM
Subject: Re: [time-nuts] Features of a Precision Clock?
>> Does anybody in this group look at power line frequency drift?
> Somebody once told me that they tried to get frequency info from the Palo
> Alto utilities. When they finally got through to somebody who knew what
> going on, the answer was "We aren't tariffed for that."
> Does anybody have a URL for the frequency specs? (US or California.) I'm
> also interested in the voltage specs. I poked around on google a while
> but didn't find anything interesting.
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