[time-nuts] Question for the cesium nuts.
Dr Bruce Griffiths
bruce.griffiths at xtra.co.nz
Sat Mar 17 05:06:40 EDT 2007
Hal Murray wrote:
>> http://www.kvarz.com/pdf/05%20CH1-75A.pdf (Active MASER)
>> http://www.kvarz.com/pdf/06%20CH1-76A.pdf (Passive MASER)
> What do "active" and "passive" mean wrt masers?
> >From the above data sheets, active means bigger and better. (and probably
> more expensive)
Active masers oscillate.
Passive masers don't.
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