[time-nuts] What sort of oscillator is this?
jherrero at hvsistemas.es
Sun Sep 28 13:19:28 EDT 2014
On 28/09/2014 17:44, Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
> BTW, you may note Keysight's uncertainty for measurement of the 10 MHz
> reference in September 2014 is 0.0010 Hz, whereas Agilent's was
> 0.00080 Hz in August 2013. They 5071A primary frequency standard. I
> assume the fact that the ID number is UK13623 on both certiciates,
> means it is actually the same standard, rather than two of the same
> model number.
It seems the same unit, I doubt they will maintain the ID if replacing
it, but it has been re-cablibrated between both certificates, so its
uncertainity has evolved from the previous calibration to the last one.
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