[evlatests] Ku-band compression from Moon

Rick Perley rperley at nrao.edu
Fri Oct 5 19:21:33 EDT 2012


    At Ku-band, we are getting about 200K from the moon, which 
multiplies the system temperature by a factor of about 7 or 8. 

    The frequencies tuned were 13.1 and 16.7 GHz, for AC and BD sides. 

    Note the large compressions -- and in a couple of examples, expansions!

antenna     A      B      C      D  
----------------------------------------
01            85    64    75    73
02           100   64    89    50
03                  no rcvr
04            87    66    79    74
05            94    94    70    88
06            84    78   100   81
07           107   79   120   77
08                   no rcvr
09                       out
10            88    X    91    64
11            78    56    93    56
12            82    63    76    84
13            88    77    69    79
14            97    63    98    51
15                     no rcvr
16            68    78    71    70
17            83    91    89    69
18           103   66    77    74
19            88    56    78    77
20            90    78    85    88
21            72    59    96    68
22            93    93    73    63
23            85    81    75    68
24            74    96    78    78
25            76    56    90    66
26            83    67    89    67
27            85    85    99    73
28                 no rcvr
------------------------------------------                 



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