[time-nuts] Lamp for FRK Rubidium Needed

Peter peter at g0rsq.co.uk
Fri Jun 20 14:46:00 EDT 2014



paul swed <paulswedb at ...> writes:

> 
> 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 ...> 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
> >
> >

Chuck and Paul

Do you have any more specific information on how to do this?

I also have an FRK that has a lamp that is failing to run consistantly, and
would like to try this to resurrect it.

I am afraid of doing more harm than good without some good guidance.

regards

peter
G0RSQ



More information about the time-nuts mailing list