[time-nuts] One Kg Quartz Resonator
Chuck Harris
cfharris at erols.com
Thu Jan 24 14:39:35 EST 2013
Hi Bob,
It seems to me that all of our current primary standards
are only functional under the ideal nominal conditions.
Which ones aren't?
-Chuck Harris
Bob Camp wrote:
> Hi
>
> If you take the position that a primary standard is only functional if it's
> under the ideal nominal conditions - you have no primary standards at all.
> They all require corrections of one sort or the other. Having a system with
> no standards is not a system at all...
>
> The practical approach is to define the ideal conditions in a way that you
> can indeed correct back to them. The most common way is to take the
> contribution to zero. There obviously are other approaches. Regardless of
> weather you take it to zero or x.xxx the net result is the same, as long as
> everybody does the same thing.
>
> Bob
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