+HEADER CORREL Tsukuba DATABASE 11DEC03XK SESSNAME k11337 OBSTIME 2011/12/03 UTSTART 0730 DURATION 1 DOY 337 CORRTIME 2011/12/05 CORRPASS 1 EXPORT DONE +SUMMARY Qcode % of Total % of Correlated scans scans 5-9 96.7 % 96.7 % 0 3.3 % 3.3 % 4-1,D,G,N 0.0 % 0.0 % Removed 0.0 % +CORRELATOR_NOTES Scan at 337-0735 produced a zero code on S band. The source being observed was NGC6251. Scan at 337-0736 produced a zero code on X band. The source being observed was 1342+662. Scan at 337-0810 produced a zero code on X band. The source being observed was 1520+319. 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 0.592 0.592 -0.149E-12 Reference Wz -24.047 -25.184 3.018E-12 Date: 2011/12/03 +QCODES PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot TV X 2 0 0 0 0 0 0 0 0 43 0 0 0 0 45 TV S 1 0 0 0 0 0 0 0 0 44 0 0 0 0 45 Column Totals, numbers then percentages 3 0 0 0 0 0 0 0 0 87 0 0 0 0 90 % 3.3 0.0 0.0 0.0 0.0 0.0 0.0 --> --> 96.7 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: 45 Error : 3 % : 6.7 (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 8 2 4 5 4 5 3 2 1 0 3 1 0 0 0 2 5 Total 0 8 2 4 5 4 5 3 2 1 0 3 1 0 0 0 2 5 Total number of obs: 45 Average SNR: 38.1 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 >> TV: 0 1 9 16 10 2 1 0 2 2 0 0 0 0 0 2 0 0 Total 0 1 9 16 10 2 1 0 2 2 0 0 0 0 0 2 0 0 Total number of obs: 45 Average SNR: 22.9 +SNR_RATIOS MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n TV 0.69 43 0.85 44 +END -------------------------------- Takashi,NISHIKAWA Geospatial Information Authority of Japan / AES Co.,Ltd. nishikawa@gsi.go.jp