The National Physical Laboratory (NPL) has signed a distribution agreement
with trading technology company Intergence to deliver NPLTime® - a new
service providing a precise time signal directly traceable to Coordinated
Universal Time (UTC) and independent of GPS.  More:

http://www.npl.co.uk/news/intergence-invests-in-npltime?utm_source=measurementnews&utm_medium=email&utm_campaign=august2014

Cheers,
David

SatSignal Software - Quality software written to your requirements
Web: http://www.satsignal.eu
Email: david-taylor@blueyonder.co.uk

On 14/08/14 17:24, David J Taylor wrote:

Heh. I saw this, and in fact remember it being mentioned at NPL when I
was there in May for their openday.

I'd love it, but I dread to think what the cost is, and I suspect I
might get a few odd looks when they realised they were delivering to
domestic premises!

Best Regards

Iain

There is no mention how they intend to implement this " trusted and
traceable distribution service for the financial sector that completely
eliminates reliance on GPS".  We saw how a loose connector can create a
"faster than light" neutrino.  Good luck to them on being able to
deliver on the promise.

David McGaw

On 8/14/14 1:34 PM, Iain Young wrote:

WOW!  Guaranteeing compliance with FINRA OATS 7430 !

Here it is......

All computer system clocks and mechanical time stamping devices must be synchronized to within three seconds of the National Institute of Standards and Technology (NIST) atomic clock."

They are going to have their work cut out.. dedicated fibre cable.. will they even be able to get close?

Le 14 août 2014 à 18:24, David J Taylor a écrit :

On 8/14/14, 11:12 AM, mike cook wrote:

3 seconds is pretty loose though...I could probably distribute time to
within 3 seconds using radio.

Those finance people are concerned about microseconds. They're setting
up (or have set up) a through the air microwave link from New York to
Chicago (I think.. somewhere in that area) because it is faster than
sending the data via fiber.  After all, air has an index closer to 1
than silica, and over 100s of km, that makes a difference.

David

Great, if you live in Canary Wharf.  (There will be one hub in the
London Docklands, according to the 2-page brochure, with the "last
mile" delivered by dedicated, certified Ethernet link from NPL's rack
at the hub to the customer's premises.)  Clearly designed to serve
the financial industry.  One nice feature is that traceability is
certified to the customer's premises.

I'd love to know what it costs (when speculating, keep in mind that
it was designed to serve the financial industry and is likely priced
accordingly).

Also, are customers contractually prohibited from selling further
distribution of certified time services?

Best regards,

Charles