+HEADER CORREL GSI DATABASE 13APR24XU SESSNAME i13114 OBSTIME 2013/04/24 UTSTART 1830 DURATION 1 DOY 114 CORRTIME 2013/04/25 CORRPASS 1 EXPORT DONE +SUMMARY Qcode % of Total % of Correlated scans scans 5-9 98.7 % 98.7 % 0 1.3 % 1.3 % 4-1,D,G,N 0.0 % 0.0 % Removed 0.0 % +CORRELATOR_NOTES Scan at 114-1904 produced a zero code on S band. The source being observed was 3C274. There was low SNR but good integration time for this scan. +STATION_NOTES TSUKUB32(T-Ts): OK. WETTZELL(V-Wz): 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: GSI Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Ts 0.651 2.051 -0.425E-12 Wz -27.095 -26.848 3.270E-12 Date: 2013/04/24 +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 3 35 0 0 0 0 38 TV S 1 0 0 0 0 0 0 0 0 37 0 0 0 0 38 Column Totals, numbers then percentages 1 0 0 0 0 0 0 0 3 72 0 0 0 0 76 % 1.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 94.7 0.0 0.0 0.0 0.0 100.0 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 : 1 % : 2.6 (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 2 1 1 1 4 1 5 1 3 3 1 1 0 1 0 13 Total 0 0 2 1 1 1 4 1 5 1 3 3 1 1 0 1 0 13 Total number of obs: 38 Average SNR: 80.0 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: 1 0 0 5 6 9 2 2 5 4 1 0 0 0 0 3 0 0 Total 1 0 0 5 6 9 2 2 5 4 1 0 0 0 0 3 0 0 Total number of obs: 38 Average SNR: 34.5 +SNR_RATIOS MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n TV 1.23 38 1.33 37 +END -------------------------------- Tetsuya, HARA Geospatial Information Authority of Japan / AES Co.,Ltd. tetsuya-hara@gsi.go.jp