AW: AW: [time-nuts] Strange effect with C-Field change

John Miles jmiles at
Thu Mar 24 17:03:37 EST 2005

> Hi Hubert --
> That's a good hypothesis, but given how long this system (same receiver
> and antenna) has been running without ever encountering something like
> this makes me doubt it's a GPS anomaly, or at least a local one.  A long
> history has shown that this receiver/antenna very seldom loses lock, and
> the only strong transmitters nearby are in my hamshack, and were shut
> down while I was out of town.
> Actually, right now I'm suspecting it might be a cabling problem (a
> possibly intermittent cable on the 1pps to the TIC that moved when the
> door to the 5061A control panel was opened), though it's surprising that
> something like that would result in more than a very transient phase
> shift -- I'd expect to see a transient in one data reading, not
> something that happened over hours.  I'll be doing some tests to see if
> I can reproduce the jump when the cable is moved.

How's the ESD environment in the room with your 5061A?  Was there a spark
when your wife touched the knob (no double-entendre intended)?

-- john KE5FX

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