[time-nuts] I've been thinking about a GPS receiver experiment
holrum at hotmail.com
Thu Oct 26 17:28:46 UTC 2017
Many years ago I tried to add some code to Lady Heather to calculate the tempco and aging of the oscillator in a normally running Tbolt. Although the equations would theoretically work (using SVD decomposition) it seldom worked properly. Failure seemed to be caused by noise in the small numbers involved. I wound up adding code that could do it by disabling disciplining to get aging and varying the temperature to get tempco.
> Separating this and that input to get a good value for a specific parameter is rarely done with good accuracy
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