Tsukuba Correlator Report for F10247
OBSTIME  2010/09/04
DOY      247
CORRTIME 2010/09/07
EXPORT   DONE

CORRELATOR_NOTES
----------------
Scan at 247/07:46 caused a zero code on S band.
The source being observed was 3C418.
Pcal amplitudes and phases on X-band were not stable in Kb.
 
QUALITY SUMMARY
---------------
 Qcode   % of Total   % of Correlated
           scans          scans
 
  5-9       89.5 %       89.5 % 
   0         2.6 %        2.6 %
 4-1,D,G,N   7.9 %        7.9 %
 Removed       0 % 

STATION_NOTES
-------------
KASHIM34(O-Kb): Pcal amplitudes and phases on X-band were not stable.
                Manual pcal in fringe fitting.
               
WESTFORD(E-Wf): OK.
 

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

Station       fmout-gps    used          rate        Comments
              [usec]       [usec]        [sec/sec]
Kb           -21.185      -21.185        11.593E-12  Reference
Wf            10.886       10.659        16.693E-12
Date:   2010/09/04


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    3    0    1    5    4    3    3    0    0    0    0   19
OE S    1    0    0    0    0    0    0    0    2   16    0    0    0    0   19
Column Totals, numbers then percentages
        1    0    0    3    0    1    5    4    5   19    0    0    0    0   38
 %    2.6  0.0  0.0  7.9  0.0  2.6 13.2  -->  --> 73.7  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    :    4
       % : 21.1
(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   3   2   1   5   1   1   2   0   1   0   0   2   0   0   0   0
Total    0   1   3   2   1   5   1   1   2   0   1   0   0   2   0   0   0   0
Total number of obs:    19  Average SNR:   30.6
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   1   2   3   6   1   1   1   0   0   0   0   1   0   0   2   0   0
Total    1   1   2   3   6   1   1   1   0   0   0   0   1   0   0   2   0   0
Total number of obs:    19  Average SNR:   28.5

MEAN RATIOS = Observed SNR / Predicted SNR

 ...by baseline, over all sources:

 bl     X     n       S     n

 OE    0.93   19     0.92   18

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