Tsukuba Correlator Report for F10296 OBSTIME 2010/10/23 DOY 296 CORRTIME 2010/10/25 EXPORT DONE CORRELATOR_NOTES ---------------- Scan at 296/07:43 caused a zero code on S band. The source being observed were NGC6251. There was good integration time but low SNR for this source. Scan at 296/08:02 caused a zero code on S band. The source being observed was 0133+476. There were good integration time but low SNR for this source. QUALITY SUMMARY --------------- Qcode % of Total % of Correlated scans scans 5-9 95.8 % 95.8 % 0 4.2 % 4.2 % 4-1,D,G,N 0.0 % 0.0 % Removed 0 % STATION_NOTES ------------- KASHIM34(O-Kb): The value of fmout-gps of the log file sometimes reversed. Those values are not used. 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 -6.222 -6.222 7.538E-12 Reference Wf 12.083 11.863 12.830E-12 Date: 2010/10/23 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 5 6 7 4 2 0 0 0 0 24 OE S 2 0 0 0 0 0 0 0 3 19 0 0 0 0 24 Column Totals, numbers then percentages 2 0 0 0 0 5 6 7 7 21 0 0 0 0 48 % 4.2 0.0 0.0 0.0 0.0 10.4 12.5 --> --> 72.9 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: OE Total Obs: 24 Error : 2 % : 8.3 (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 0 1 1 3 3 1 4 2 2 0 1 0 2 0 0 0 4 Total 0 0 1 1 3 3 1 4 2 2 0 1 0 2 0 0 0 4 Total number of obs: 24 Average SNR: 48.1 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 5 0 4 4 3 0 0 1 0 0 0 0 0 0 0 Total 0 3 4 5 0 4 4 3 0 0 1 0 0 0 0 0 0 0 Total number of obs: 24 Average SNR: 23.7 ...by baseline, over all sources: bl X n S n TV 1.14 24 0.93 22 -------------------------------- Kentarou Nozawa Geospatial Information Authority of Japan / AES Co.,Ltd. nozawa@gsi.go.jp