[time-nuts] Re: Efratom M-100 102 not locking

[Peter Gottlieb]

Is there a procedure to do this?

Peter

> On Nov 27, 2025, at 9:21 PM, Glenn Little WB4UIV via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> The output is probably from the free running oscillator.
> The Physics package has a bulb with Rubidium vapor in it.
> Over time the vapor will deposit on the inside of the bulb.
> To rejuvenate the bulb, warm it to re-vaporize the rubidium.
> This may fix your issue.
> 
> Glenn
> 
>> On 11/27/2025 11:15 AM, Peter Gottlieb via time-nuts wrote:
>> I have this Rb oscillator which has output but won't lock.
>> Are these repairable?  Worth the effort?  Date code is from 1989 so it may have a lot of hours on it.
>> Peter
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> 
> --
> -----------------------------------------------------------------------
> Glenn Little                ARRL Technical Specialist   QCWA  LM 28417
> Amateur Callsign:  WB4UIV            wb4uiv at arrl.net    AMSAT LM 2178
> QTH:  Goose Creek, SC USA (EM92xx)  USSVI, FRA, NRA-LM    ARRL TAPR
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