[evlatests] Trouble with WIDAR last night ...

[Drew Medlin]

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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