darn. I should have made clear I meant on the part of Hp/Agilent!!!
No flames please.
Don
----- Original Message ----- From: "Don Latham" <[email protected]> To: <[email protected]>; "Discussion of precise time and frequency measurement" <[email protected]>
Sent: Sunday, September 06, 2009 11:58 PM
Subject: Re: [time-nuts] HP 5071A Electron Multiplier of Cesium Beam Tube


yet another reason not to buy a CS clock. What kind of self-destructive bs is this?
Don

----- Original Message ----- From: "Rick Karlquist" <[email protected]> To: "Discussion of precise time and frequency measurement" <[email protected]>
Sent: Sunday, September 06, 2009 9:54 PM
Subject: Re: [time-nuts] HP 5071A Electron Multiplier of Cesium Beam Tube


John Miles wrote:
Of course, you'd hear the same thing if you asked the modern-day HP if
they
could refurbish an inkjet cartridge. :)  Not the same thing, and not the
same company, I know... but still, HP had no incentive to try very hard to
develop a reconditioning process, at least before Datum started selling
replacement tubes.


FWIW:

Wait a minute.  Datum owns Symmetricom which bought HP/Agilent's
CBT production line and admits that their tubes were never as
good as HP/Agilent's tubes.  The 5071, as opposed to the 5061, has
a ROM with a password in the CBT so that only OEM tubes will work.
The password consists of a poem written by Len Cutler.  The poem is
copyrighted so that it would be illegal for a competitor to simply
reproduce it, according to Len.

Rick Karlquist N6RK


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