[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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