Tsukuba Correlator Report for K11057 OBSTIME 2011/2/26 DOY 057 CORRTIME 2011/2/26 EXPORT DONE CORRELATOR_NOTES ---------------- Scans at 057/07:30 caused zero codes on X,S band. The source being observed was 1044+719. 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 % 0.0 % Removed 0.0 % STATION_NOTES ------------- TSUKUB32(T-Ts): Low pcal amplitude in SR1U caused a D code in scan 057/07:36. Manual Pca in fringe fitting. WETTAELL(V-Vs): OK. Transfer rate: 256 Mbit/s WETTZELL data were real-time transferred to Tsukuba by data transfer software "VDIF/SUDP". CLOCKS ---------- Clocks: TSUKUB32 Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Ts 1.010 1.010 0.259E-12 Reference Wz -21.808 -22.903 -3.767E-12 Date: 2011/2/26 STATISTICS ---------- PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot TV X 1 0 0 0 0 0 0 0 2 40 0 0 0 0 43 TV S 1 0 0 0 0 0 0 0 2 40 0 0 0 0 43 Column Totals, numbers then percentages 2 0 0 0 0 0 0 0 4 80 0 0 0 0 86 % 2.3 0.0 0.0 0.0 0.0 0.0 0.0 --> --> 97.7 0.0 0.0 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 : 1 % : 2.3 (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: 1 0 0 0 3 5 2 0 2 8 1 2 1 1 1 0 1 15 Total 1 0 0 0 3 5 2 0 2 8 1 2 1 1 1 0 1 15 Total number of obs: 43 Average SNR: 77.9 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 0 5 8 8 6 5 1 0 1 2 3 3 0 0 0 0 0 Total 1 0 5 8 8 6 5 1 0 1 2 3 3 0 0 0 0 0 Total number of obs: 43 Average SNR: 29.0 MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n TV 1.31 42 0.92 42 -------------------------------- MUKAI,Yasuko Geospatial Information Authority of Japan / AES Co.,Ltd. mukai@gsi.go.jp