+HEADER CORREL Tsukuba DATABASE 12APR21XK SESSNAME k12112 OBSTIME 2012/04/21 UTSTART 0730 DURATION 1 DOY 112 CORRTIME 2012/04/21 CORRPASS 1 EXPORT DONE +SUMMARY Qcode % of Total % of Correlated scans scans 5-9 97.4 % 97.4 % 0 2.6 % 2.6 % 4-1,D,G,N 0.0 % 0.0 % Removed 0.0 % +CORRELATOR_NOTES Scans at 112-0800 and 112-0814 produced zero codes on S band. The source being observed were 0446+112. 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 0.205 1.603 1.508E-12 Reference Wz -25.616 -25.396 -2.926E-12 Date: 2012/04/21 +QCODES PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot TV X 0 0 0 0 0 0 0 0 1 37 0 0 0 0 38 TV S 2 0 0 0 0 0 0 0 1 35 0 0 0 0 38 Column Totals, numbers then percentages 2 0 0 0 0 0 0 0 2 72 0 0 0 0 76 % 2.6 0.0 0.0 0.0 0.0 0.0 0.0 --> --> 97.4 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: 38 Error : 2 % : 5.3 (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 >> TV: 0 0 1 0 0 4 6 4 3 2 0 0 0 1 0 2 0 15 Total 0 0 1 0 0 4 6 4 3 2 0 0 0 1 0 2 0 15 Total number of obs: 38 Average SNR: 73.7 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 3 4 6 10 10 0 0 0 1 0 0 0 0 0 0 2 2 Total 0 3 4 6 10 10 0 0 0 1 0 0 0 0 0 0 2 2 Total number of obs: 38 Average SNR: 27.8 +SNR_RATIOS MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n TV 1.18 38 1.01 36 +END -------------------------------- Takashi, NISHIKAWA Geospatial Information Authority of Japan / AES Co.,Ltd. nishikawa@gsi.go.jp