[time-nuts] Systematic noise

[John Miles]

> Tom,
> 
> On 02/13/2013 05:04 AM, Tom Van Baak wrote:
> > Magnus,
> >
> > Two things to check.
> >
> > 1) Is the bump you see at all correlated to the relative frequency
between
> the two oscillators? I have seen this when comparing two ULN, for example.
> You can make the bump move left or right depending on the beat
> frequency.

Your ULNs exhibited a strong beatnote before we bypassed their power supply
pins, as I recall.  They will likely still do it if you measure them without
double-shielded or equivalent coax connections to the 5120A/TimePod.

-- john, KE5FX
Miles Design LLC