[time-nuts] A Research Proposal

[Bob kb8tq]

Hi

The whole “phase here vs phase there” thing was at the heart of the papers the 
power guys started presenting back in the late 1980’s …. At least back then the data
was between points a lot further spread out than both sides of a valley.

Bob

> On Jul 7, 2019, at 5:39 PM, jimlux <jimlux at earthlink.net> wrote:
> 
> On 7/7/19 11:48 AM, Bill Hawkins wrote:
>> Group,
>> We've discussed this before, but maybe it needs to be said again.
>> Line frequency is not constant.  
> 
> 
> I think the research is more about understanding the frequency and time shifts across the network, referred to a more accurate and stable reference.  Not so much trying to use the grid as a time/frequency reference.
> 
> For instance, is the variation in phase across the San Fernando Valley different in the afternoon when everyone turns on their air conditioner - sure there's a "voltage at the user" change, but is there also a phase change.
> 
> 
> 
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