[time-nuts] What sort of oscillator is this?

[Javier Herrero]

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.

Regards,

Javier