Tsukuba Correlator Report for I11092 OBSTIME 2011/04/02 DOY 092 CORRTIME 2011/04/05 EXPORT DONE CORRELATOR_NOTES ---------------- Scan at 092-0812 produced a zero code on X band. The source being observed was 0345+460. There was good integration time but low SNR for these scans. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 96.9 % 96.9 % 0 3.1 % 3.1 % 4-1,D,G,N 0.0 % 0.0 % Removed 0.0 % STATION_NOTES ------------- KOKEE (K-Kk): OK. Transfer rate: 100 Mbit/s WETTZELL(V-Vs): OK. Transfer rate: 200 Mbit/s KOKEE data were transferred to Tsukuba by data transfer software "TSUNAMI". WETTZELL data were transferred to Tsukuba by data transfer software "TSUNAMI". CLOCKS ---------- Clocks: KOKEE Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Kk 5.066 5.066 -6.463E-12 Reference Wz -22.055 -22.870 -12.803E-12 Date: 2011/04/02 STATISTICS ---------- PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot KV X 1 0 0 0 0 0 0 0 4 11 0 0 0 0 16 KV S 0 0 0 0 0 0 0 0 0 16 0 0 0 0 16 Column Totals, numbers then percentages 1 0 0 0 0 0 0 0 4 27 0 0 0 0 32 % 3.1 0.0 0.0 0.0 0.0 0.0 0.0 --> --> 96.9 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: KV Total Obs: 16 Error : 1 % : 6.2 (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 2 3 1 3 2 0 0 1 1 1 0 1 0 1 0 0 0 Total 0 2 3 1 3 2 0 0 1 1 1 0 1 0 1 0 0 0 Total number of obs: 16 Average SNR: 29.3 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: 0 1 4 4 3 1 0 1 1 0 0 0 0 0 1 0 0 0 Total 0 1 4 4 3 1 0 1 1 0 0 0 0 0 1 0 0 0 Total number of obs: 16 Average SNR: 23.0 MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n KV 1.82 15 1.12 16 -------------------------------- Nozawa,KENTAROU Geospatial Information Authority of Japan / AES Co.,Ltd. nozawa@gsi.go.jp