[evlatests] last bit of VLA data still bad

Michael Rupen mrupen at nrao.edu
Tue Jan 8 11:42:47 EST 2008


Hi Walter,

> It is clear the obs2script bug fix is in and working.
>
> I claim that the last source of your file ended at 18:04:20 IAT and that
> everything IDCAF did was fine.  after 18:04:20 IAT, a source called FINISH
> at 18:00:00 RA 00:00:00 dec was configured.  This is the standard source
> that informs IDCAF not to write more records.  This source was observed,
> but not recorded, until 18:05:06 IAT.  It seems the odd end effects you
> are seeing are something completely different from previous end-of-expt
> problems.  It is suspicious that it is the last 10 seconds of a source and
> that a second subarray was running at the same time (sysstartU).  I don't
> think this is an IDCAF or obs2script problem.  If you see a source named
> "FINISH" in your database then something is wrong with idcaf.  I'm not
> sure what could cause screwy amplitudes in the last 10 sec of the file.
> It would be good to get feedback from others doing tests or observations
> with single subarrays.

There is no source names FINISH, so I guess you can rest easy -- for a little 
while at least...

> WANTED FROM TESTERS -- reports on the end of tests or observations -- are
> the last unflagged records good or not?  Does the observation end at the
> right IAT time?

I'll keep my eyes open...

           Michael




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