Tsukuba Correlator Report for K09284 OBSTIME 2009/10/11 DOY 284 CORRTIME 2009/10/11 EXPORT DONE CORRELATOR_NOTES ---------------- Scans at 284/07:41 and 08:14 produced zero codes on X band. The source being observed was 1538+149. There were good integration time but low SNR for these scans. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 94.4 % 100.0 % 0 5.6 % 0.0 % 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 0.584 0.584 1.937E-12 Reference Wz -19.944 -21.046 5.579E-12 Date: 2009/10/11 STATISTICS ---------- PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot TV X 2 0 0 0 0 0 0 2 2 30 0 0 0 0 36 TV S 0 0 0 0 0 0 0 0 1 35 0 0 0 0 36 Column Totals, numbers then percentages 2 0 0 0 0 0 0 2 3 65 0 0 0 0 72 % 2.8 .0 .0 .0 .0 .0 .0 --> --> 97.2 .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: 36 Error : 2 % : 5.6 (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 3 0 4 0 1 1 3 0 4 3 1 1 2 1 3 1 8 Total 0 3 0 4 0 1 1 3 0 4 3 1 1 2 1 3 1 8 Total number of obs: 36 Average SNR: 60.2 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 1 4 2 4 7 3 3 0 6 4 0 1 1 0 0 0 0 Total 0 1 4 2 4 7 3 3 0 6 4 0 1 1 0 0 0 0 Total number of obs: 36 Average SNR: 33.6 MEAN RATIOS = Observed SNR / Predicted SNR ...by baseline, over all sources: bl X n S n TV 0.85 34 0.78 36 -------------------------------- MUKAI,Yasuko Geographical Survey Institute / AES Co.,Ltd. mukai@gsi.go.jp