[evlatests] S-band PDif status

Rick Perley rperley at nrao.edu
Tue Aug 21 16:53:18 EDT 2012


    Results from Crab observations on Aug. 20.  Crab provides about 70K 
additional system temperature. 

    Note the compression at S-band is quite a bit more, on average, than 
at L-band! 

    Antenna           A             B            C            D
----------------------------------------------------------------
    01                  91             91           96          94
    02                  96             91           90          84
    03                           no recvr
    04                  94             92           90          93
    05                               out
    06                         SY data not useable
    07                  87            92            85          87
    08                  87            85            86          86
    09                  94            92            95          94
    10                                  out
    11                  94            91            93          93
    12                  95            86            88          91
    13                  94            97            93          94
    14                  92            85            88          83
    15                  77            69            63          
59           ******************
    16                  92            90            89          77
    17                  95            95            94          87
    18                  96            91            91          89
    19                  ???          ???           89          87    RCP 
data not usable
    20                          no rcvr
    21                  97            97            99          98
    22                  94            91            89          82
    23                  95            98            92          93
    24                  94            92            92          88
    25                  99            96            97        100
    26                  93            92            95          88
    27                          out
    28                  97            95            86          88  
-----------------------------------------------------------------------
    Notes: 

    PDifs very low amplitude on ea 28, ea13, ea08, ea04 (about half of 
less of the average).

               



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