Tsukuba Correlator Report for K10052
OBSTIME 2010/02/21
DOY 052
CORRTIME 2010/02/21
EXPORT DONE
CORRELATOR_NOTES
----------------
Scans at 052/08:07 and 08:19 produced zero coeds on S-band.
The source being observed was 0133+476.
QUALITY SUMMARY
---------------
Qcode % of Total % of Correlated
scans scans
5-9 97.7 % 97.7 %
0 2.3 % 2.3 %
4-1,D,G,N 0 % 0 %
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 0.378 0.378 0.251E-12 Reference
Wz -20.141 -21.240 -4.189E-12
Date: 2010/02/21
STATISTICS
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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 2 4 0 37 0 0 0 0 43
TV S 2 0 0 0 0 0 0 1 1 39 0 0 0 0 43
Column Totals, numbers then percentages
2 0 0 0 0 0 2 5 1 76 0 0 0 0 86
% 2.3 .0 .0 .0 .0 .0 2.3 --> --> 95.3 .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: 43
Error : 2
% : 4.7
(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 1 1 5 3 1 1 3 4 4 1 1 2 0 1 4 11
Total 0 0 1 1 5 3 1 1 3 4 4 1 1 2 0 1 4 11
Total number of obs: 43 Average SNR: 66.9
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: 1 4 5 9 2 0 5 1 5 0 4 3 4 0 0 0 0 0
Total 1 4 5 9 2 0 5 1 5 0 4 3 4 0 0 0 0 0
Total number of obs: 43 Average SNR: 31.1
MEAN RATIOS = Observed SNR / Predicted SNR
...by baseline, over all sources:
bl X n S n
TV 1.02 43 0.87 41
--------------------------------
MUKAI,Yasuko
Geographical Survey Institute / AES Co.,Ltd.
mukai@gsi.go.jp