AW: [time-nuts] Strange effect with C-Field change -- and a bit ofdata
Hubert v. Bonhorst
hvonbonhorst at t-online.de
Sun Mar 27 10:23:30 EST 2005
Does anyone have a datasheet on 71xx FTS tubes. Any information is helpful.
Thank you in advance
Von: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] Im
Auftrag von Chuck Harris
Gesendet: Sonntag, 27. März 2005 15:50
An: Discussion of precise time and frequency measurement
Betreff: Re: [time-nuts] Strange effect with C-Field change -- and a bit
John Ackermann N8UR wrote:
> Chuck Harris wrote:
>> I remember reading an advertisement from FTS many moons ago that said
>> had for sale higher quality replacement tubes for 5060's, 5061's, and
>> Your replacement tube is most probably one of those tubes.
>> Remember, FTS was a direct competitor for HP's line of C-Beams, and as
>> such they
>> coveted all aspects of HP's C-Beam market.
> 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.
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