[time-nuts] Fury - Rubidium

SAIDJACK at aol.com SAIDJACK at aol.com
Thu Jul 29 04:21:05 UTC 2010


That's an average accuracy of 6.6E-013 over 19 hours.
 
Impressive.
 
bye,
Said
 
 
In a message dated 7/28/2010 18:21:12 Pacific Daylight Time, smace at intt.net 
 writes:

After  about 19hours of holdover, only ~45ns.  Now let's see how well it  
recovers.

Scott

On 07/28/2010 01:02 AM,  SAIDJACK at aol.com wrote:
> Hi Scott,
>
> a cool thing to try  is to put the unit into manual holdover by issuing  
the
>  command
>
>     sync:holdover:init
>
>  The unit will act as if the GPS antenna has been removed, but GPSCon  
will
> continue to show the 1PPS phase drift against GPS. Thus you can  see how
> stable  your LPRO is over time when the unit is in  holdover.
>
> You can restart normal locking with the  command
>
>      sync:holdover:rec:init
>
> On a good DOCXO, we would see less than  2000ns drift over a day when the
> unit has been stable for a week or  so. I believe the limits of the time
> interval  display are about  +/- 2000ns.
>
> bye,
>  Said
>


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