[evlatests] Excessive correlator configurations

Rick Perley rperley at nrao.edu
Tue Jan 26 10:18:10 EST 2016


     I suspect this may have something to do with antennas being taken 
out of service for the move, then reappearing later?

On 01/26/2016 08:08 AM, Rick Perley wrote:
> The 27-hour 'flux density model' run is completed, and the data have 
> been downloaded onto lustre.  In examining what is there, I have 
> encountered a strange peculiarity:
>
>     The run has 10 unique frequency tunings (one for each band, plus 
> an extra for the X-band referenced pointing).  There should, 
> therefore, be 10 'correlator configurations' in the archive.
>
>     In fact, there are 51.
>
>     Each of the 10 unique frequency tunings has resulted in 5 to 6 
> separate, but identical, 'configurations' in the database.  I've seen 
> this behavior once before -- in one of the beam holography runs -- and 
> the 'fix' was relatively easy:  'DBCON' correctly rejoins the 
> disparate datasets.   There seems to be no loss of data.
>
>     But it's a nuisance to have to load 51 separate files, then join 
> them all together.
>
>     What is happening here?
>
>     Rick
>
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