[time-nuts] Maser manual

[J. Forster]

Corby,

It might be easier to just make an adapter for Lecture Bottles for the H2
supply.

Also, the H2 probably does not have to be Research Grade. The inflow is
through a "Palladium Valve" which is a diffusion device ans only passes H2
at any significant rate.

Best,

-John

=============


> Paul,
>
> Yes it is operating.
>
> With the exception of some down times to replace each of the ion pumps
> when they failed (at separate times) it has been running nonstop for 3
> years.
>
> I also had to replace the disassociator oscillator with an
> oscillator/amplifier of my own design.
>
> Also replaced the original 1.4Ghz RF amp (2.8db NF) with a modern amp
> having a .4db noise figure.
>
> Had to refill the little hydrogen bottle once so far. (via a homebrew
> manifold and a tank of ultra pure H2)
>
> The local gas co. does provide the H2 but the adaptor for refilling is
> homebrew as the vintage European hydrogen bottle fittings are no longer
> available.
>
> I'll see if I can post a PIX or two of the Vacsorb pumping station and
> the ion pumps.
>
> Corby Dawson
> cdelect at juno.com
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