[time-nuts] Fury - Rubidium

Scott Mace smace at intt.net
Thu Jul 29 00:29:08 EDT 2010


Recovery from holdover was fine as well.

	Scott

On 07/28/2010 11:21 PM, SAIDJACK at aol.com wrote:
> 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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