+HEADER CORREL Tsukuba DATABASE 11SEP04XK SESSNAME k11247 OBSTIME 2011/09/04 UTSTART 0730 DURATION 1 DOY 247 CORRTIME 2011/09/05 CORRPASS 1 EXPORT DONE +SUMMARY Qcode % of Total % of Correlated scans scans 5-9 94.6 % 94.6 % 0 5.4 % 5.4 % 4-1,D,G,N 0.0 % 0.0 % Removed 0.0 % +CORRELATOR_NOTES Scan at 247-0735, 247-0746, 247-0758 and 247-0827 produced zero codes on S band. The source being observed was 3C274. Scan at 247-0822 produced a zero code on X band. The source being observed was 1015+359. There were low SNR but good integration time for these scans. +STATION_NOTES TSUKUB32(T-Ts): OK. WETTZELL(V-Vs): OK. Transfer rate: 256 Mbit/s WETTZELL data were real-time transferred to Tsukuba by data transfer software "VDIF/SUDP". +MANUAL PCAL +CHANNELS XR1U = band|polarization|channel#|sideband XR1U/L BBC01 8212.99 XR2U BBC02 8252.99 XR3U BBC03 8352.99 XR4U BBC04 8512.99 XR5U BBC05 8732.99 XR6U BBC06 8852.99 XR7U BBC07 8912.99 XR8U/L BBC08 8932.99 SR1U BBC09 2232.99 SR2U BBC10 2240.99 SR3U BBC11 2256.99 SR4U BBC12 2312.99 SR5U BBC13 2344.99 SR6U BBC14 2352.99 +DROP_CHANNELS Ts Wz +CLOCKS Clocks: TSUKUB32 Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Ts 0.328 0.328 0.945E-12 Reference Wz -23.245 -24.372 6.471E-12 Date: 2011/09/04 +QCODES PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot TV X 1 0 0 0 0 0 0 0 1 44 0 0 0 0 46 TV S 4 0 0 0 0 0 0 0 0 42 0 0 0 0 46 Column Totals, numbers then percentages 5 0 0 0 0 0 0 0 1 86 0 0 0 0 92 % 5.4 0.0 0.0 0.0 0.0 0.0 0.0 --> --> 94.6 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: TV Total Obs: 46 Error : 5 % : 10.9 (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 >> TV: 0 4 3 9 7 6 0 3 1 2 5 1 0 0 2 1 1 1 Total 0 4 3 9 7 6 0 3 1 2 5 1 0 0 2 1 1 1 Total number of obs: 46 Average SNR: 33.6 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 >> TV: 2 2 1 8 8 7 4 1 0 4 1 3 0 0 0 2 2 1 Total 2 2 1 8 8 7 4 1 0 4 1 3 0 0 0 2 2 1 Total number of obs: 46 Average SNR: 33.3 +SNR_RATIOS MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n TV 0.58 45 0.58 42 +END -------------------------------- Nishikawa,TAKASHI Geospatial Information Authority of Japan / AES Co.,Ltd. nishikawa@gsi.go.jp