On 07/13/2010 06:25 PM, Bob Camp wrote:
Hi
The 260 in my z3805 also has a very linear drift plot. Mine is positive, but
otherwise a lot like the one you show. The plot in both cases indeed
remarkably linear. That makes you wonder just what the mechanism is.
Since they market the 260 as a "rubidium replacement" it is indeed
surprising that the aging does not level off a bit more.
Didn't they provide some form of prediction/compensation tricks?
If so, maybe it needs some recal after all these years? Thus, they have
a systematic offset error somewhere?
I think I recall somthing from way back about that...
Cheers,
Magnus
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