[evlatests] Trouble with WIDAR last night ...

[Paul Demorest]

We can take a closer look tomorrow.  Whatever is going on, it seems to have
only affected this one observation (I'm assuming this is 24A-130).  Other data
taken over the past day, including some other Ka, look OK to me.

-Paul

> The pipeline has not yet completed on this observation, but from where it?s
> gotten, I can see 4.353% zeros out of all data taken. I think seven spws in Ka
> are fully flagged, but I don?t yet know why or if they are all zeros
> (116,117,120, 124, 136, 144, 154).
>
>
> Cheers,
> Drew
>
>
> Drew Medlin
> dmedlin at nrao.edu
>
> VLA Scientific User Support
> National Radio Astronomy Observatory
>
>> On Nov 28, 2023, at 3:56 PM, Rick Perley via evlatests
>> <evlatests at listmgr.nrao.edu> wrote:
>>
>> Something bad happened to the correlator last night.
>>
>> I'm reducing data taken at various bands from ~ 1AM last night. All seems
>> find at Ku-band and below.
>>
>> But in Ka band -- there are many SPWs which either have no data (evidently
>> all zero) or completely trashed data -- full of random numbers.  Only 63
>> SPWs are present, so we didn't have the full complement of station boards.
>> But there's more wrong than that. I'm not sure the Ka-band data can be
>> salvaged.
>>
>> Rick
>>
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