No subject


Sat May 1 12:37:47 UTC 2010


5,000,000.500,32 Hz. It was always stable at +1E-07  off.

Well, it would be much easier to have a spare 1000B, but I  don't.
Anyone got a 1000B that I could swap  in?

Adrian


John Miles schrieb:
> Sounds like the OCXO  has a jumping problem, going too far out of range 
for
> the CS loop to  correct.  Have you watched it for a long period of time 
with
> the  loop turned off?
>
> -- john, KE5FX
>
>     
>> -----Original Message-----
>> From:  time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
>>  Behalf Of Adrian
>> Sent: Saturday, June 12, 2010 8:03 AM
>>  To: time-nuts at febo.com
>> Subject: [time-nuts] Odd FTS 4060  Behavior
>>
>>
>> I have a FTS 4060 Caesium  Frequency Standard that I never managed to get
>> working  properly.
>> When powered on, it locks properly after some 10 minutes  and keeps
>> running until it jumps off by about +1E-7. That is, the  10 MHz output
>> then reads 10,000,001 Hz, and the red alarm light is  on.
>> When I tried it yesterday again, it worked for about 2 hours  before the
>> shift appeared. Oddly enough, the green 'Locked' light  was still on.
>> This happens every 2...20  hours.
>>
>> Any ideas what could cause that  failure?
>>
>> Adrian
>>
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>>       
>
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