[time-nuts] Newbie question - what use is a Ruby?
Stijn
pe1rks at xs4all.nl
Mon Oct 5 19:06:10 UTC 2009
Hal, you are mean!
That is about the way that i started with Time and Frequency, first a
Z3801A and then a second one, then a rubidium and in the following a
cesium standard. And further all the related measurement equipment.
Just because I wanted to know as a radio amateur that I was precisely on
3705kHz in AM.
I must say it is very addictive and should be in considered equal to
alcohol and drugs.
It is a terribel hobby, just the hunt for an extra digit.
Sincerely,
Stijn Nestra
PE1RKS
Scott Burris schreef:
> Murray Greenman wrote:
>> 4. They are a handy adjunct to the GPSDO. Use the latter to calibrate
>> the former, and then you've a reference even if GPS is unavailable. The
>> Rb units also have very good short-term stability.
>>
> So, how would you go about calibrating your Rubidium against your GPSDO?
>
> Presumably you would wait until your GPSDO has not gone into holdover
> for some
> "good" amount of time, whatever that would be.
>
> Then my way would be to use the GPSDO as the external frequency
> reference to
> either my Racal-Dana 1998 or HP5328A, apply the rubidium as input, and
> adjust
> the C field for 10.00000* Mhz.
> But I'm sure that's not the time-nuts way of doing this. :-) So what's
> the right way?
>
> Scott
>
>
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