[time-nuts] Measure GPSDO stability with minimum resources?

[Hal Murray]

j99harman at gmail.com said:
> Unless the oscillator is still warming up, 5 minutes or even 60 is way too
> short a time to look at aging. For aging, you will want to look at the
> change in DAC values over several days at least. 

I think it's worse than that.  You have to hold the temperature constant, and 
maybe even the power supply voltage.  A probe on the crystal can might allow 
you to correct for temperature.




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