[time-nuts] HP Z3801A Question

ernieperes at aol.com ernieperes at aol.com
Thu Nov 13 10:44:31 UTC 2008


Hello,

I am running the HP Z3801A after a long time again, more then 150hrs 
from the new ON status but I have never seen
on the " TI to GPS " small window better figure then 1,5E-9. the 
avarage is 1,3E-8 and seldom goes to 10E-9.
And running parallel the FURY board with a TEMEX OCXO and displays 
+1,6E-10 is the average very often 10E-11 and sometimes for a relative 
short time / 4-5 min / 1,4E-12.

Any idea why the Z3801A not displaying better figure?? Something wrong 
with the HP unit????

Thanks Ernie.

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