from:	 Mark Gurwell 
to:	 Jonathan Weintroub 
cc:	 "Young, Ken" ,
         "Primiani, Rurik" ,
         Eric Keto ,
         Nimesh Patel ,
         Chunhua Qi ,
         Lars Kristensen ,
         David Wilner ,
         Qizhou Zhang ,
         Sridharan Tirupati Kumara ,
         Jun-Hui Zhao ,
         Alice Argon 
date:	 Thu, Dec 5, 2013 at 1:36 PM
subject:	 Re: SWARM Correlator Test Track - When did the music stop?
mailed-by:	 cfa.harvard.edu


Hi Jono, 

I think that the amplitude issue may be partially (wholly?) an issue of the 
non phase closure, thought not 100% sure as I've been methodically not dealing 
with the SWARM data due to ALMA pressures...I'm not sure I'll have time to 
look at the data 'fresh' now that I'm done with that, before tomorrow's meeting, 
but it may be that some of the items you recount will collapse into one or 
two items.  I think Taco's calibration where he does baseline based phase cal 
suggests a big improvement in both the amplitude comparison and also the phase 
offset seen in the line between SWARM and legacy correlators in the plots I 
submitted for last week.


Mark