[evlatests] C-Band Status

Rick Perley rperley at nrao.edu
Thu Oct 5 15:27:09 EDT 2006


    Antennas 13, 14, and 18 gave good fringes on all IFs.

    Antenna 16 is DEAD on IFs A and C.  (This was also the case on the 
preceding day). 

    Antenna 24 is DEAD on the LCP side (IFs C and D).  This is the same 
as at L-band.  Also, the reported Tsys are nonsensical on these IFs, 
while they are fine on the RCP side. 

    Antenna 26 is not outfitted at C-band yet. 

    Sensitivity:   With a single exception (14C), the EVLA antennas are 
at the top of the sensitivity rankings.  The named antenna-IF (14C) is 
the worst in the array.  I have no idea why -- the reported Tsys is 
fine.  Stability is good.  Bandpass is normal.  





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