Tsukuba Correlator Report for K11044 OBSTIME 2011/2/13 DOY 044 CORRTIME 2011/2/13 EXPORT DONE CORRELATOR_NOTES ---------------- Scan at 044-0731 produced a zero code on X band. The source being observed was 0602+673. Scan at 044-0737, 044-0750, 044-0802, 044-0817 and 044-0829 produced a zero codes on X band. The source being observed were 2234+282. Scan at 044-0814 produced a zero code on X band. The source being observed was 3C371. There were good integration time but low SNR for these scans. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 84.1 % 84.1 % 0 15.9 % 15.9 % 4-1,D,G,N 0.0 % 0.0 % Removed 0.0 % STATION_NOTES ------------- TSUKUB32(T-Ts): OK. WETTZELL(V-Wz): The wet and heavy snowfall during the observation. 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 0.792 0.792 0.257E-12 Reference Wz -21.703 -22.789 2.015E-12 Date: 2011/2/13 STATISTICS ---------- PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot TV X 7 0 0 0 0 0 0 0 2 35 0 0 0 0 44 TV S 0 0 0 0 0 0 0 0 0 44 0 0 0 0 44 Column Totals, numbers then percentages 7 0 0 0 0 0 0 0 2 79 0 0 0 0 88 % 8.0 0.0 0.0 0.0 0.0 0.0 0.0 --> --> 92.0 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: 44 Error : 7 % : 15.9 (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: 5 12 6 0 9 3 6 3 0 0 0 0 0 0 0 0 0 0 Total 5 12 6 0 9 3 6 3 0 0 0 0 0 0 0 0 0 0 Total number of obs: 44 Average SNR: 17.4 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 9 13 5 0 2 8 5 2 0 0 0 0 0 0 0 0 Total 0 0 9 13 5 0 2 8 5 2 0 0 0 0 0 0 0 0 Total number of obs: 44 Average SNR: 25.9 MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n TV 0.30 37 0.67 44 -------------------------------- Nozawa,KENTAROU Geospatial Information Authority of Japan / AES Co.,Ltd. nozawa at gsi.go.jp