Tsukuba Correlator Report for F10268 OBSTIME 2010/09/25 DOY 268 CORRTIME 2010/09/25 EXPORT DONE CORRELATOR_NOTES ---------------- Scan at 268/08:20 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 97.5 % 97.5 % 0 2.5 % 2.5 % 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 -1.866 -1.866 7.419E-12 Reference Wf 11.375 11.283 11.458E-12 Date: 2010/09/25 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 0 3 2 8 7 0 0 0 0 20 OE S 1 0 0 0 0 0 0 0 2 17 0 0 0 0 20 Column Totals, numbers then percentages 1 0 0 0 0 0 3 2 10 24 0 0 0 0 40 % 2.5 0.0 0.0 0.0 0.0 0.0 7.5 --> --> 90.0 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: 20 Error : 1 % : 5.0 (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 >> OE: 0 0 2 1 5 3 2 1 2 1 1 0 0 1 0 0 1 0 Total 0 0 2 1 5 3 2 1 2 1 1 0 0 1 0 0 1 0 Total number of obs: 20 Average SNR: 34.1 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 5 1 1 1 1 1 0 0 0 0 0 0 0 0 Total 0 3 4 3 5 1 1 1 1 1 0 0 0 0 0 0 0 0 Total number of obs: 20 Average SNR: 21.2 MEAN RATIOS = Observed SNR / Predicted SNR ...by baseline, over all sources: bl X n S n OE 1.01 20 0.76 19 -------------------------------- MUKAI,Yasuko Geospatial Information Authority of Japan / AES Co.,Ltd. mukai@gsi.go.jp