Tsukuba Correlator Report for I11079 OBSTIME 2011/3/20 DOY 079 CORRTIME 2011/3/20 EXPORT DONE CORRELATOR_NOTES ---------------- Scan at 079-0802 produced a zero code on S band. The source being observed was 1357+769. There was good integration time but low SNR for these scans. Scan from 079-0756 to 079-0825 produced D codes on X band. No fringe on X5RU-X8RU. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 72.5 % 72.5 % 0 2.5 % 2.5 % 4-1,D,G,N 25.0 % 25.0 % Removed 0.0 % STATION_NOTES ------------- KOKEE (K-Kk): OK. Transfer rate: 100 Mbit/s WETTZELL(V-Vs): OK. Transfer rate: 256 Mbit/s KOKEE data were transferred to Tsukuba by data transfer software "TSUNAMI". WETTZELL data were real-time transferred to Tsukuba by data transfer software "VDIF/SUDP". CLOCKS ---------- Clocks: KOKEE Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Kk 5.131 5.131 -0.082E-12 Reference Wz -21.974 -22.737 -7.560E-12 Date: 2011/3/20 STATISTICS ---------- PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot KV X 0 0 0 0 0 0 2 2 4 2 10 0 0 0 20 KV S 1 0 0 0 0 0 0 0 0 19 0 0 0 0 20 Column Totals, numbers then percentages 1 0 0 0 0 0 2 2 4 21 10 0 0 0 40 % 2.5 0.0 0.0 0.0 0.0 0.0 5.0 --> --> 67.5 25.0 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: KV Total Obs: 20 Error : 10 % : 50.0 (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 >> KV: 0 1 2 3 4 1 1 0 1 0 1 1 3 1 0 1 0 0 Total 0 1 2 3 4 1 1 0 1 0 1 1 3 1 0 1 0 0 Total number of obs: 20 Average SNR: 35.8 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 >> KV: 1 1 0 1 3 5 2 0 4 0 0 0 0 0 0 0 1 2 Total 1 1 0 1 3 5 2 0 4 0 0 0 0 0 0 0 1 2 Total number of obs: 20 Average SNR: 36.4 MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n KV 1.34 20 1.07 19 -------------------------------- Nozawa,KENTAROU Geospatial Information Authority of Japan / AES Co.,Ltd. nozawa@gsi.go.jp