INT 207-230 / K07230
   Correlation report
  Tsukuba VLBI Correlator
	  
[Geographical Survey Institute, Japan]

Observed:   August 18, 2007
            doy230/07:30-230/08:25

Correlated: August 20, 2007
Exported:   done

Station Comments
----------------

TSUKUB32(T-Ts): OK
                Recorded on K5(VSSP32). 

WETTZELL(V-Wz): OK 
                Recorded on Mark5.

- comment:
Intensive eVLBI session with TSUKUB32 and WETTZELL.
Recorded Data on Mark5 at WETTZELL were transferred
to Tsukuba Correlator via network. 
Converting Mark5 data into K5 form at Tsukuba Correlator. 
Processed on K5 correlation system.

- For your information:
 An earthquake (M=5.1) occured near the eastern coast
of Japan main island at about 07:55 on August 18, 2007.
 TSUKUB32 is about 85km estern of the epicenter(35.4N,
140.4E, depth=20km).

PF=0.80

Station Clocks
--------------

Clocks: GSI
Station       fmout-gps    used          rate        Comments
              [usec]       [usec]        [sec/sec]
Ts            -0.004       -0.004        -0.792E-12  Reference
Wz           -22.590      -24.393         3.058E-12
Date:   2007/08/18

- comment:
    correlation package:apri_calc(NICT,Ver.2007-07-20).
                        cor(NICT,Ver.2007-03-13).
                        komb(NICT,Ver.2006-10-15).

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    0    0    0   28    0    0    0    0   28
TV S    0    0    0    0    0    0    0    0    1   27    0    0    0    0   28
Column Totals, numbers then percentages
        0    0    0    0    0    0    0    0    1   55    0    0    0    0   56
 %     .0   .0   .0   .0   .0   .0   .0  -->  -->100.0   .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:   TV
Total Obs:   28 
Error    :    0 
       % :   .0
(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   0   0   0   0   4   4   1   2   0   1   1   0  14
Total    0   0   0   1   0   0   0   0   0   4   4   1   2   0   1   1   0  14
Total number of obs:    28  Average SNR:  113.1
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   2   0   4   5   2   0   2   0   3   0   1   3   0   0   6
Total    0   0   0   2   0   4   5   2   0   2   0   3   0   1   3   0   0   6
Total number of obs:    28  Average SNR:   63.1

---------------------------------
Kentarou Nozawa
G. S. I. /Advanced Engineering Services Co., Ltd.
aes@garnet.gsi.go.jp