Tsukuba Correlator Report for K10108 OBSTIME 2010/04/18 DOY 108 CORRTIME 2010/04/18 EXPORT DONE CORRELATOR_NOTES ---------------- Low amplitude in SR1U of Ts caused D-codes in scans 108/07:35 and 07:51. The source being observed was 3c371. Manual pcal in fringe fitting. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 97.7 % 100.0 % 0 0.0 % 0.0 % 4-1,D,G,N 2.3 % 0.0 % Removed 0 % STATION_NOTES ------------- TSUKUB32(T-Ts): Low amplitude in SR1U of Ts caused D-codes in scans 108/07:35 and 07:51. Manual pcal in fringe fitting. WETTZELL(V-Wz): OK. Transfer rate: 256 Mbit/s WETTZELL data were real-time transferred to Tsukuba by data transfer software "VDIF/SUDP". CLOCKS ---------- Clocks: Tsukuba Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Ts 0.177 0.177 1.217E-12 Reference Wz -20.314 -21.466 -4.032E-12 Date: 2010/04/18 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 1 42 0 0 0 0 43 TV S 0 0 0 0 0 0 0 0 0 43 0 0 0 0 43 Column Totals, numbers then percentages 0 0 0 0 0 0 0 0 1 85 0 0 0 0 86 % .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: 43 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 0 2 1 1 1 4 4 5 2 1 1 0 0 1 20 Total 0 0 0 0 2 1 1 1 4 4 5 2 1 1 0 0 1 20 Total number of obs: 43 Average SNR: 98.7 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 3 9 9 5 3 3 1 2 0 1 1 2 0 0 0 4 Total 0 0 3 9 9 5 3 3 1 2 0 1 1 2 0 0 0 4 Total number of obs: 43 Average SNR: 36.2 MEAN RATIOS = Observed SNR / Predicted SNR ...by baseline, over all sources: bl X n S n TV 1.14 43 0.80 43 -------------------------------- MUKAI,Yasuko Geospatial Information Authority of Japan (former Geographical Survey Institute, GSI) / AES Co.,Ltd. mukai@gsi.go.jp