[time-nuts] 1PPS users?

[Bob Camp]

Hi

> On Dec 19, 2016, at 10:11 AM, Tom Van Baak <tvb at LeapSecond.com> wrote:
> 
>> I believe the power industry is using GPS provided time to stamp power
>> events for analysis as well.
> 
> Chris,
> 
> Yes, in fact one of the first applications of hp's SmartClock was just that:
> 
> "Accurate Transmission Line Fault Location Using Synchronized Sampling"
> http://leapsecond.com/hpan/an1276-1.pdf

There is an FCS paper that pre-dates that by about a decade. The guys at
Quebec Hydro set up GPS to monitor the phase state in their main distribution
network and wrote the paper. I don’t have an FCS DVD handy to dig it up. I
also have no idea if there is a copy outside a pay wall. They went into a bit
more detail on what they saw. It gives you a bit better feel for how it works 
in the real world. 

Bob


> 
> 
> Bob,
> 
> For more background on 1PPS and time synchronization see:
> 
> "GPS and Precision Timing Applications"
> http://www.hpmemoryproject.org/an/pdf/an_1272.pdf
> 
> "The Global Positioning System and HP SmartClock"
> http://www.hpl.hp.com/hpjournal/96dec/dec96a9.pdf
> 
> Other useful hp app notes for time nuts:
> http://leapsecond.com/hpan/list.htm
> 
> /tvb
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