[evlatests] x-band results from PDif monitoring

[Rick Perley]

    Taurus A provides about 40 to 50K at X-band.  The percentage PDif 
compressions are:

Antenna       A     B     C     D
---------------------------------------
    01           97    96    98    96
    02              Zero PDif!
    03          101   xx   101   xx
    04            96   97   95   98
    05                     out
    06            98   94   95   97
    07            92   92   96   93
    08           100   xx   100   xx
    09           100   xx   100   xx
    10                      out
    11           96     96   98   97
    12           100   xx   101   xx
    13             97   96   98   92
    14             98   95   97   95
    15           101   xx   98   xx
    16             60   91   85   93  the worst, by far!
    17             96   95   94   93
    18             97   93   97   94
    19             98   97   93   96
    20            103  xx  102  xx
    21             98   99   100   100
    22             95   96   96   95
    23             97   99   96   97
    24             96   96   98   90
    25            100  100  100  100    Perfect!!!
    26             96   95   96   95
    27                       out
    28            102  xx  101  xx
----------------------------------------------

    Note:  The old-style receivers (in antennas 3, 8, 9, 12, 15, 20, and 
28) all have less compression than the new-style receivers.