+HEADER CORREL Tsukuba DATABASE 11OCT03XK SESSNAME k11276 OBSTIME 2011/10/03 UTSTART 0700 DURATION 1 DOY 276 CORRTIME 2011/10/03 CORRPASS 1.5 EXPORT DONE +SUMMARY Qcode % of Total % of Correlated scans scans 5-9 98.5 % 98.5 % 0 0.0 % 0.0 % 4-1,D,G,N 1.5 % 1.5 % Removed 0.0 % +CORRELATOR_NOTES Scan at 276-0723 produced a zero code on S band. The source being observed was 1803+784. There was low SNR but good integration time for this scan. Scan at 276-0756 produced a zero code on S band. The source being observed was 1128+385. Scan at 276-0757 produced a zero code on S band. The source being observed was 3C274. 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 NYALES20(N-Ny): OK. Transfer rate: 80 Mbit/s WETTZELL data were real-time transferred to Tsukuba by data transfer software "VDIF/SUDP". NYALES20 data were real-time transferred to Tsukuba by data transfer software "TSUNAMI". +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 Ny +CLOCKS Clocks: TSUKUB32 Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Ts 0.273 0.273 0.061E-12 Reference Wz -23.498 -24.660 3.705E-12 Ny -11.096 -12.301 3.361E-12 Date: 2011/10/03 +QCODES PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot NT X 0 0 0 0 0 0 0 0 3 30 0 0 0 0 33 NT S 0 0 1 0 0 0 0 0 3 29 0 0 0 0 33 NV X 0 0 0 0 0 0 0 1 2 32 0 0 0 0 35 NV S 0 0 0 0 0 0 0 0 0 35 0 0 0 0 35 TV X 0 0 0 0 0 0 0 0 1 32 0 0 0 0 33 TV S 1 0 1 0 0 0 0 0 4 27 0 0 0 0 33 Column Totals, numbers then percentages 1 0 2 0 0 0 0 1 13 185 0 0 0 0 202 % 0.5 0.0 1.0 0.0 0.0 0.0 0.0 --> --> 98.5 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: NT NV TV Total Obs: 33 35 33 Error : 1 0 2 % : 3.0 0.0 6.1 (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 >> NT: 0 0 0 0 2 1 3 4 0 0 0 0 8 2 2 1 1 9 NV: 0 0 0 0 0 1 0 2 1 0 4 0 1 3 3 4 4 12 TV: 0 0 1 0 0 2 0 2 3 2 0 0 0 0 4 2 3 14 Total 0 0 1 0 2 4 3 8 4 2 4 0 9 5 9 7 8 35 Total number of obs: 101 Average SNR: 78.6 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 >> NT: 0 2 0 4 7 3 6 2 1 1 1 6 0 0 0 0 0 0 NV: 0 0 3 6 6 6 5 4 3 0 1 1 0 0 0 0 0 0 TV: 0 2 0 1 5 2 3 5 3 3 1 0 0 6 2 0 0 0 Total 0 4 3 11 18 11 14 11 7 4 3 7 0 6 2 0 0 0 Total number of obs: 101 Average SNR: 34.0 +SNR_RATIOS MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n TV 0.98 33 1.02 31 TN 0.82 33 0.80 32 VN 1.27 35 1.08 35 +END -------------------------------- Kentarou, NOZAWA Geospatial Information Authority of Japan / AES Co.,Ltd. nozawa@gsi.go.jp