[evlatests] EVLA Calibration/Imaging Meeting tomorrow

[Rick Perley]

    At Thursday's 9AM meeting (which I have decided to call 'EVLA 
Calibration & Imaging'), I'd like to focus on two topics:

    1) Wide-band calibration techniques.  The 2048 MHz-wide test data 
taken Friday evening at C-band has proven to be most instructive to me 
for aiding in understanding how wide-band calibration can (and perhaps 
should) be done.  Eric's new enhancements to BPASS, plus the new tasks 
RLDLY and SOUSP have proven extremely useful in this regard.  I propose 
to lay out the procedure I followed, and show interesting plots 
illustrating the lessons learned, and what yet must be understood, and 
done.   Others are invited to show their results on this topic. 

    2) Optimum polarimetry.  There are, I think, two topics here, 
interlinked.  The first is proper calibration -- optimum (or sufficient) 
determination of the cross-polarization terms.  The second is 
application for the purpose of optimum imaging.  There has been some 
active discussion of these points on the evlatests listserver -- there 
is I think more agreement amongst the experts than would be concluded 
from reading these posts -- the goal tomorrow will be agreement on the 
best way to proceed.  This is a complex topic. 

    Room 317.