Tsukuba Correlator Report for K09346
OBSTIME  2009/12/12
DOY      346
CORRTIME 2009/12/14
EXPORT   DONE

CORRELATOR_NOTES
----------------
All scans were correlated. 
Scan at 346-0749 data was low SNR on X band but good integration time.
The source being observed was NRAO512.
All other scans were fine.
 
QUALITY SUMMARY
---------------
 Qcode   % of Total   % of Correlated
           scans          scans
 
  5-9       97.6 %       97.6 % 
   0           0 %          0 %
 4-1,D,G,N   2.4 %        2.4 %
 Removed       0 % 

STATION_NOTES
-------------
TSUKUB32(T-Ts): OK. 
               
WETTZELL(V-Wz): OK.
                Transfer rate: 200 Mbit/s

WETTZELL data were transferred to Tsukuba by 
data transfer protocol "Tsunami".


CLOCKS
----------
Clocks: Tsukuba

Station       fmout-gps    used          rate        Comments
              [usec]       [usec]        [sec/sec]
Ts             0.190        0.190         0.026E-12  Reference
Wz           -19.932      -21.052         2.997E-12
Date:   2009/12/12


STATISTICS
----------

PROCESS SUMMARY BY BASELINE/FREQUENCY
Base    0    1    2    3    4    5    6    7    8    9    D    G    N    -  Tot
TV X    0    0    0    0    0    0    3    0    1   37    0    0    1    0   42
TV S    0    0    0    0    0    0    1    0    0   40    0    0    1    0   42
Column Totals, numbers then percentages
        0    0    0    0    0    0    4    0    1   77    0    0    2    0   84
 %     .0   .0   .0   .0   .0   .0  4.8  -->  --> 92.9   .0   .0  2.4   .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:   TV
Total Obs:   42 
Error    :    1 
       % :  2.4
(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  >>
TV:      0   0   0   1   0   5   2   1   5   0   4   1   1   0   0   3   2  16
Total    0   0   0   1   0   5   2   1   5   0   4   1   1   0   0   3   2  16
Total number of obs:    41  Average SNR:   92.9
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  >>
TV:      0   0   0   7   7   6   4   3   1   1   1   0   0   1   2   1   1   6
Total    0   0   0   7   7   6   4   3   1   1   1   0   0   1   2   1   1   6
Total number of obs:    41  Average SNR:   44.5


 MEAN RATIOS = Observed SNR / Predicted SNR

 ...by baseline, over all sources:

 bl     X     n       S     n

 TV    1.02   41     0.99   41

--------------------------------
Kentarou,Nozawa
Geographical Survey Institute / AES Co.,Ltd.
nozawa@gsi.go.jp