[time-nuts] Calculating frequency differences using Lissajou figures

[Jeffrey Pawlan]

or stated in another way: your two sources differ by 5.5 parts in 
10^-10

Well within the specification for the Rb. But to be precise, but if
you wanted to know the absolute accuracy of the Rb then you would 
need to know the accuracy of the GPSDO at that moment in time.

Jeffrey Pawlan