[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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