[time-nuts] homebrew H maser

[jimlux]

Poul-Henning Kamp wrote:
> In message <3e227.34d2ee82.39abf0a9 at aol.com>, EWKehren at aol.com writes:
> 
>> Do we know any thing about the Neuchatel design for Galileo?
>> Bert Kehren
> 
> There are plenty of papers about it.
> 
> They started out with an active design, and got it inside spec
> (power/weight) but found that the performance was not worth the
> extra effort, so they switched to a passive design to further
> reduce weight/power.
> 


there's also the Mercury Ion clock.. the physics package looks fairly 
simple...