Tsukuba Correlator Report for K10115 OBSTIME 2010/04/25 DOY 115 CORRTIME 2010/04/25 EXPORT DONE CORRELATOR_NOTES ---------------- Low amplitude in SR1U of Ts caused a D-code in scan 115/07:54. The source being observed was 3c371. Manual pcal in fringe fitting. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 98.7 % 100.0 % 0 0.0 % 0.0 % 4-1,D,G,N 1.3 % 0.0 % Removed 0 % STATION_NOTES ------------- TSUKUB32(T-Ts): Low amplitude in SR1U caused a D-code in scan 115/07:54. 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 0.076 0.076 1.790E-12 Reference Wz -20.341 -21.493 -2.302E-12 Date: 2010/04/25 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 39 0 0 0 0 40 TV S 0 0 0 0 0 0 0 0 0 40 0 0 0 0 40 Column Totals, numbers then percentages 0 0 0 0 0 0 0 0 1 79 0 0 0 0 80 % .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: 40 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 1 0 0 2 1 1 2 2 6 4 2 0 0 0 1 3 15 Total 0 1 0 0 2 1 1 2 2 6 4 2 0 0 0 1 3 15 Total number of obs: 40 Average SNR: 92.5 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 6 8 6 5 3 0 3 0 0 0 3 1 0 0 0 5 Total 0 0 6 8 6 5 3 0 3 0 0 0 3 1 0 0 0 5 Total number of obs: 40 Average SNR: 36.9 MEAN RATIOS = Observed SNR / Predicted SNR ...by baseline, over all sources: bl X n S n TV 1.13 40 0.78 40 -------------------------------- MUKAI,Yasuko Geospatial Information Authority of Japan (former Geographical Survey Institute, GSI) / AES Co.,Ltd. mukai@gsi.go.jp