Tsukuba Correlator Report for F10262
OBSTIME  2010/09/19
DOY      262
CORRTIME 2010/09/21
EXPORT   DONE

CORRELATOR_NOTES
----------------
Scan at 262/07:47 caused a zero code on S band.
The source being observed was 3C418.
Pcal amplitudes and phases on X-band were not stable in KASHIM34.
 
QUALITY SUMMARY
---------------
 Qcode   % of Total   % of Correlated
           scans          scans
 
  5-9       97.4 %       97.4 % 
   0         2.6 %        0.0 %
 4-1,D,G,N   0.0 %        0.0 %
 Removed       0 % 

STATION_NOTES
-------------
KASHIM34(O-Kb): Pcal amplitudes and phases on X-band were not stable.
                Manual pcal in fringe fitting.
                Transfer rate: 300 Mbit/s

WESTFORD(E-Wf): OK.
                Transfer rate: 100 Mbit/s

CLOCKS
----------
Clocks: KASHIM34

Station       fmout-gps    used          rate        Comments
              [usec]       [usec]        [sec/sec]
Kb            -1.130       -1.130         1.196E-12  Reference
Wf            11.216       10.892         6.576E-12
Date:   2010/09/19


STATISTICS
----------

PROCESS SUMMARY BY BASELINE/FREQUENCY
Base    0    1    2    3    4    5    6    7    8    9    D    G    N    -  Tot
OE X    0    0    0    0    0    3    5    0    9    2    0    0    0    0   19
OE S    1    0    0    0    0    0    0    1    0   17    0    0    0    0   19
Column Totals, numbers then percentages
        1    0    0    0    0    3    5    1    9   19    0    0    0    0   38
 %    2.6  0.0  0.0  0.0  0.0  7.9 13.2  -->  --> 76.3  0.0  0.0  0.0  0.0100.0

 QC = 0   : Fringes not detected.
    = 1-9 : Fringes detected. The higher number, the better quality.
    = D   : No data in one or more frequency channels.
    = G   : Fringe amp in a freq ch is <.5 times coherent amp only if snr>20.
    = N   : No valid correlator data.
    = -   : Not scanned

Base Line:   OE
Total Obs:   19
Error    :    1
       % :  5.3
(ERROR: Q-code of either band is less than 4 or letter code, or not scanned)


SNR histogram
Distribution of X-band SNRs, for each baseline
SNR:  0   5  10  15  20  25  30  35  40  45  50  55  60  65  70  75  80  85  >>
OE:      0   1   2   4   4   1   4   0   0   1   1   0   0   0   0   0   1   0
Total    0   1   2   4   4   1   4   0   0   1   1   0   0   0   0   0   1   0
Total number of obs:    19  Average SNR:   28.2
Distribution of S-band SNRs, for each baseline
SNR:  0   5  10  15  20  25  30  35  40  45  50  55  60  65  70  75  80  85  >>
OE:      1   3   4   2   5   1   0   1   1   0   0   0   0   0   0   1   0   0
Total    1   3   4   2   5   1   0   1   1   0   0   0   0   0   0   1   0   0
Total number of obs:    19  Average SNR:   22.0


MEAN RATIOS = Observed SNR / Predicted SNR

 ...by baseline, over all sources:

 bl     X     n       S     n

 OE    0.83   19     0.73   18

--------------------------------
MUKAI,Yasuko
Geospatial Information Authority of Japan
/ AES Co.,Ltd.
mukai@gsi.go.jp