[time-nuts] GPSDO & Crystal Aging

WarrenS warrensjmail-one at yahoo.com
Fri Apr 11 15:07:52 EDT 2014


Ulrich

Thanks for posting the reference.
Very interesting and useful. The clues they give sounds like enough 
information to do the Smartclock loop control things that they talk about.

ws

***************************
Hi Brooke,

> HP had some way around SA that improved the timekeeping.

HP called it the "Smartclock Algorithm" and you can find some very basic
information about it here:

http://www.hpl.hp.com/hpjournal/96dec/dec96a9.pdf

I have been trying months to find a reference on how it REALLY works but it
seems that this is one of the better kept secrets of HP.

Best regards

Ulrich 



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