[time-nuts] Strange effect with C-Field change -- and a bit of data

[Poul-Henning Kamp]

In message <4246BA1C.4010400 at erols.com>, Chuck Harris writes:

>> Yes, in fact FTS (or Symmetricom or whatever they are this week) still 
>> advertises their replacement tubes for the HP units.  Interestingly, 
>> they have an 8 year warranty, so FTS must have been able to improve the 
>> reliability along the way.
>
>The FTS tubes are so good, that I always expect the ones I find to work!
>I have brought up several that were more than 15 years old.  Try that with
>an HP tube.

Symmetricom gives "10 years, no questions asked" warranty on their
telecom Cs units and have very few returns I'm told.

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