Tsukuba Correlator Report for F10269 OBSTIME 2010/09/26 DOY 269 CORRTIME 2010/09/26 EXPORT DONE CORRELATOR_NOTES ---------------- Scan at 269/07:50 caused a zero code on S band. The source being observed was 3C418. Scan at 269/08:17 caused a zero code on S band. The source being observed was 0133+476. Pcal amplitudes and phases on X-band were not stable in KASHIM34. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 94.7 % 94.7 % 0 5.3 % 5.3 % 4-1,D,G,N 0.0 % 0.0 % Removed 0 % STATION_NOTES ------------- KASHIM34(O-Kb): Pcal amplitudes and phases on X-band were not stable. Manual pcal in fringe fitting. 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 -2.018 -2.018 -0.970E-12 Reference Wf 11.389 11.263 3.114E-12 Date: 2010/09/26 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 1 3 5 8 2 0 0 0 0 19 OE S 2 0 0 0 0 0 0 1 3 13 0 0 0 0 19 Column Totals, numbers then percentages 2 0 0 0 0 1 3 6 11 15 0 0 0 0 38 % 5.3 0.0 0.0 0.0 0.0 2.6 7.9 --> --> 84.2 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 : 2 % : 10.5 (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 0 2 3 4 3 2 0 2 0 1 0 1 1 0 0 0 0 Total 0 0 2 3 4 3 2 0 2 0 1 0 1 1 0 0 0 0 Total number of obs: 19 Average SNR: 30.4 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: 1 1 7 2 5 1 0 1 0 1 0 0 0 0 0 0 0 0 Total 1 1 7 2 5 1 0 1 0 1 0 0 0 0 0 0 0 0 Total number of obs: 19 Average SNR: 18.7 MEAN RATIOS = Observed SNR / Predicted SNR ...by baseline, over all sources: bl X n S n OE 0.95 19 0.78 17 -------------------------------- MUKAI,Yasuko Geospatial Information Authority of Japan / AES Co.,Ltd. mukai@gsi.go.jp