[evlatests] S-band compression table

Rick Perley rperley at nrao.edu
Mon Jul 30 19:49:59 EDT 2012


    At this band, Cyg A and Tau A have about the same flux density -- 
820 Jy at 2.5 GHz.  The observed antenna temperature change is about 60K. 

Antenna        A           B             C             D
---------------------------------------------------------
    1              92         92            96            91
    2              99         99            98            91
    3                        no recvr
    4              93         91            93            90
    5                         no rcvr
    6                 PDif unstable
    7              86         90            88            91
    8              87         86            89            86
    9              96         95            97            98
    10                       in barn
    11            95         95            94            93
    12            96         95          100            99
    13            94         97            90            91
    14            93         91            92            87
    15            65         76            62            52     *****
    16            uns        91           90            86
    17             98        95            95            95
    18            94         88            92            88
    19            93         91            95            91
    20                      no revr
    21            97         88            98            92
    22            98         93            94            90
    23            93         95            90            86
    24            99         88             98           93
    25            90         85            88            80
    26            96         97            97            97
    27            97         92            90            92
    28            96         91            65            80
  
    Comment:  The compression is similar to L-band, but slightly larger. 
    ea15 is by far the worst. 
    ea06's PDif is oscillating (as it always has).



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