[time-nuts] z3801a anomaly

Christopher Hoover ch at murgatroid.com
Wed Jun 14 02:02:06 EDT 2006

my z3801a, which has been working just fine for quite sometime now, had
a strange anomaly earlier today:
tint = time interval (two left and middle left)
efc = vco efc setting (top right)
tunc = predicted mtie uncertainty (bottom right)
sats = tracked and in view (bottom left)
as you can see the efc took a huge dive and then corrected itself.  i
can't tell from the data if this was result of a bad time interval
measurement or a control algorithm glitch.
anyone seen this behavior before?
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