Maybe try
hp (5071a,5061a,5061b)
... to start with.
The 5071as seem more desirable but they're also usually more expensive, and
(the really scary part, true of all of them): how do you tell how much tube
life is left?
-- john, KE5FX
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Behalf Of Jim Lux
> Sent: Thursday, June 19, 2008 9:44 PM
> To: Discussion of precise time and frequency measurement; Jim Palfreyman
> Cc: time-nuts@febo.com
> Subject: Re: [time-nuts] cesium clocks..
>
>
> Quoting Jim Palfreyman <[EMAIL PROTECTED]>, on Thu 19 Jun 2008
> 09:27:12 PM PDT:
>
> > Jim,
> >
> > If you're searching Ebay, just make sure you don't accidentally buy a
> > Nike brand of shoe...
> >
> > Jim Palfreyman
>
> Well... in fact, that's sort of the question I'm asking. if one does
> search Ebay, what's an effective search term?
>
> Leaving aside the $60 Nike Cesiums...
>
>
>
>
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