[evlatests] Alerts for T304 TPD levels

Steven Durand sdurand at nrao.edu
Tue Apr 5 10:03:12 EDT 2011


Is there the possibility of many false alarms.  The x-band 
receivers still have very low output.  Also at the edges of each 
band some of the receivers have low output that can not be 
adjusted to the proper level.



Rob Long wrote:
> I discovered several T304 attenuators set incorrectly (again) this 
> morning. I wonder if we should setup alert levels on the TPD monitor 
> points in order to warn operators of a potential ALC problem. If the 
> operators knew of the problem, they might have been able to take 
> corrective action.
> 
> I spoke with Dave who informed me that they didn't even realize the 
> attenuators were set incorrectly because they saw no fringe problems. 
> This email is effectively a channel to open communication concerning 
> ideas/solutions to this problem!
> 
> Thanks,
> Rob Long
> 
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-- 
Steven J. Durand       National Radio Astronomy Observatory
Electronics Division Head.    1003 Lopezville Road
575/835-7103                 Socorro, New Mexico  87801







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