[time-nuts] Re: What everyday uses are there for accurate clocks?

[Eric Scace]

PTP is used in digital radio and TV studios and in the distribution of studio programming to transmitter sites. 

Sent from my iPhone

> On Nov 29, 2022, at 06:04, Clint Jay via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> I believe radio and television broadcasting makes use of accurate time in
> studio and the wider transmission network.
> 
> I've worked in quite a few data centres where there's been a local NTP
> server that was synced to GPS or, prior to the availability of GPS, the
> "local" broadcast time signal.
> 
>> On Tue, 29 Nov 2022, 09:29 Dr. David Kirkby via time-nuts, <
>> time-nuts at lists.febo.com> wrote:
>> 
>> I mentioned to someone the other day that I owned an HP GPS time and
>> frequency standard. He asked me a simple question, but one I didn’t know
>> the answer to.
>> 
>> 
>> Apart from GPS, what in the daily lives of the general public need the sort
>> of accuracy one can get from time-nut grade clocks? I believe some
>> financial transactions is one application, and the cellular phone system
>> another. Are there others?
>> 
>> I found a few links
>> 
>> “The importance of time measurement”
>> 
>> 
>> https://www.nsai.ie/national-metrology/calibration-services/time-and-frequency-calibration/the-importance-of-time-measurement/
>> 
>> 
>> “The importance of measuring time”
>> 
>> 
>> https://www.cranfield.ac.uk/alumni/communications/alumni-news/2021/0108-the-importance-of-measuring-time
>> 
>> but have not seen any reference to anything much on the topic.
>> --
>> Dr. David Kirkby,
>> Kirkby Microwave Ltd,
>> drkirkby at kirkbymicrowave.co.uk
>> https://www.kirkbymicrowave.co.uk/
>> Telephone 01621-680100./ +44 1621 680100
>> 
>> Registered in England & Wales, company number 08914892.
>> Registered office:
>> Stokes Hall Lodge, Burnham Rd, Althorne, Chelmsford, Essex, CM3 6DT, United
>> Kingdom
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