[evlatests] Alerts for T304 TPD levels
Rob Long
rlong at nrao.edu
Tue Apr 5 11:24:18 EDT 2011
Problems with RFI at lower bands could still wreak havoc on the alert
system possibly driving the operators crazy.
ROb
Keith Morris wrote:
> There is certainly the possibility of false alarm, but the cost of such
> an alarm is quite low. The TPD monitor point message field reports the
> ALC status-- target reached, attenuator out of range, etc. The alert
> would inform the operator that such a situation exists; there may or may
> not be any action the operator can take. But in the cases where the
> attenuators failed to set up properly, the benefit of having a second
> chance of dialing in proper levels may outweigh the inconvenience of
> false alarms.
>
>
>
> Steven Durand wrote:
>> 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
>>>
>>> _______________________________________________
>>> evlatests mailing list
>>> evlatests at listmgr.cv.nrao.edu
>>> http://listmgr.cv.nrao.edu/mailman/listinfo/evlatests
>>
>
More information about the evlatests
mailing list