[time-nuts] Morion MV89A Repair

[John Miles]

> The other interesting thing in the paper is that the short term numbers
> shown aren't into parts in the 13th.

The ADEV plot in figure 3 doesn't exactly show the oscillator in its best
light.   The right side of the 'bathtub' is well beyond 1000 seconds with
these parts, if you actually let them warm up before you measure them.

So the person who generated the plot either didn't allow sufficient warmup
time, or they used a low-quality reference.  The Ch A versus Ch B amplitudes
are almost 3 dB apart, so they probably were not using another MV89A.

-- john