Tsukuba Correlator Report for F10261 OBSTIME 2010/09/18 DOY 261 CORRTIME 2010/09/18 EXPORT DONE CORRELATOR_NOTES ---------------- Scan at 261/07:47 caused a zero code on S band. The source being observed was 3C418. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 97.4 % 97.4 % 0 2.6 % 2.6 % 4-1,D,G,N 0.0 % 0.0 % Removed 0 % STATION_NOTES ------------- KASHIM34(O-Kb): OK. Transfer rate: 300 Mbit/s WESTFORD(E-Wf): OK. Transfer rate: 100 Mbit/s CLOCKS ---------- Clocks: KASHIM34 Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Kb -0.961 -0.961 11.776E-12 Reference Wf 11.189 10.015 18.276E-12 Date: 2010/09/18 STATISTICS ---------- PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot OE X 0 0 0 0 0 3 7 1 6 2 0 0 0 0 19 OE S 1 0 0 0 0 0 0 0 1 17 0 0 0 0 19 Column Totals, numbers then percentages 1 0 0 0 0 3 7 1 7 19 0 0 0 0 38 % 2.6 0.0 0.0 0.0 0.0 7.9 18.4 --> --> 71.1 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: OE Total Obs: 19 Error : 1 % : 5.3 (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 >> OE: 0 1 1 2 5 2 2 3 0 0 1 1 0 0 0 0 1 0 Total 0 1 1 2 5 2 2 3 0 0 1 1 0 0 0 0 1 0 Total number of obs: 19 Average SNR: 31.4 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 >> OE: 0 3 4 3 4 1 1 0 2 0 0 0 0 0 0 1 0 0 Total 0 3 4 3 4 1 1 0 2 0 0 0 0 0 0 1 0 0 Total number of obs: 19 Average SNR: 23.2 MEAN RATIOS = Observed SNR / Predicted SNR ...by baseline, over all sources: bl X n S n OE 0.93 19 0.76 18 -------------------------------- MUKAI,Yasuko Geospatial Information Authority of Japan / AES Co.,Ltd. mukai@gsi.go.jp