[time-nuts] Lamp for FRK Rubidium Needed
paul swed
paulswedb at gmail.com
Fri Jun 20 09:07:22 EDT 2014
Chuck is correct I have done this trick on FRS units. The glass clears and
the lamp re-ignites and continues to work for a long time. Actually it
hasn't failed and this must be 2 years now.
Regards
Paul
WB8TSL
On Fri, Jun 20, 2014 at 8:34 AM, Chuck Harris <cfharris at erols.com> wrote:
> Just in case you weren't aware, bad lamps can often be
> resurrected by the judicious application of heat. The idea
> is to heat the bulb enough to evaporate all of the Rb
> that is deposited on the glass (making it black), and then
> let the lamp cool. The Rb will again condense out on the
> glass, but this time it will condense out where the lamp
> is coolest, and will spare the rest of the bulb, allowing
> the light to get out.
>
> -Chuck Harris
>
>
>
> Doug Millar wrote:
>
>> Hi, Does anyone have a good Rb lamp available for an Efratom FRK?
>>
>> Doug K6JEY (drzarkof56 at yahoo.com)
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