[time-nuts] Never mind Thunderbolts...

Bruce Griffiths bruce.griffiths at xtra.co.nz
Tue Feb 24 03:20:03 UTC 2009

WB6BNQ wrote:
> Why do all that when the entire instrument is all ready available for cheap ?
> Any Rubidium frequency oscillator from Efratrom, Frequency electronics,
> Symmetricom, or the old Datum units, etc., off ebay for $200 or less is essentially
> the same thing as this highly over priced school lab device.
> If you carefully disassemble RB frequency device you will have all the same
> components, albeit on a smaller scale.  Just add a magnifying glass and you got it
> ! ! !
> Bill....WB6BNQ
To achieve a higher SNR (and hence smaller Allan deviation) and allow
testing of other optically pumped alkali vapour standards?


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