[evlatests] Non-fringing antennas, yesterday

Rick Perley rperley at nrao.edu
Tue Aug 21 15:21:09 EDT 2012


    The 40 minute 'PDif compression' test was run yesterday, about 
noon.  Detailed results to be given later.  A couple of 'global' 
observations from a perusal of the data (taken at L, S, C, X, and Ku bands):

    ea11 gave no fringes at any of these bands in LCP.  The data were 
*not* flagged.    RCP was good. 

    ea27 gave no fringes at any band on any IF -- but was flagged.

    ea26 was flagged at L-band on all four IFs, but the data appear to 
be perfectly good to my eye.  Possibly a minor subreflector position or 
focus error?

   



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