+HEADER CORREL Tsukuba DATABASE 11JUL17XU SESSNAME i11198 OBSTIME 2011/07/17 UTSTART 0600 DURATION 1 DOY 198 CORRTIME 2011/07/17 CORRPASS 1 EXPORT DONE +SUMMARY Qcode % of Total % of Correlated scans scans 5-9 97.2 % 97.2 % 0 2.8 % 2.8 % 4-1,D,G,N 0.0 % 0.0 % Removed 0.0 % +CORRELATOR_NOTES Scan at 198-0630 produced a zero code on S band. The source being observed was 1758+388. The elevation of WETTZELL anntena was low (EL=7 deg). There was low SNR but good integration time for this scan. +STATION_NOTES KOKEE (K-Kk): OK. Transfer rate: 200 Mbit/s WETTZELL(V-Vs): OK. Transfer rate: 256 Mbit/s KOKEE data were transferred to Tsukuba by data transfer software "TSUNAMI". 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 8182.99 XR2U BBC02 8222.99 XR3U BBC03 8422.99 XR4U BBC04 8562.99 XR5U BBC05 8682.99 XR6U BBC06 8782.99 XR7U BBC07 8842.99 XR8U/L BBC08 8862.99 SR1U BBC09 2212.99 SR2U BBC10 2222.99 SR3U BBC11 2257.99 SR4U BBC12 2297.99 SR5U BBC13 2317.99 SR6U BBC14 2322.99 +DROP_CHANNELS Kk Wz +CLOCKS Clocks: KOKEE Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Kk 4.542 4.542 7.428E-12 Reference Wz -22.841 -23.580 10.356E-12 Date: 2011/07/17 +QCODES PROCESS SUMMARY BY BASELINE/FREQUENCY Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot KV X 0 0 0 0 0 0 0 0 3 15 0 0 0 0 18 KV S 1 0 0 0 0 0 0 0 0 17 0 0 0 0 18 Column Totals, numbers then percentages 1 0 0 0 0 0 0 0 3 32 0 0 0 0 36 % 2.8 0.0 0.0 0.0 0.0 0.0 0.0 --> --> 97.2 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: KV Total Obs: 18 Error : 1 % : 5.6 (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 >> KV: 0 0 3 8 3 2 0 0 0 1 1 0 0 0 0 0 0 0 Total 0 0 3 8 3 2 0 0 0 1 1 0 0 0 0 0 0 0 Total number of obs: 18 Average SNR: 22.2 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 >> KV: 1 2 3 9 1 2 0 0 0 0 0 0 0 0 0 0 0 0 Total 1 2 3 9 1 2 0 0 0 0 0 0 0 0 0 0 0 0 Total number of obs: 18 Average SNR: 16.1 +SNR_RATIOS MEAN RATIOS = Observed SNR / Predicted SNR bl X n S n KV 1.32 18 1.35 17 +END -------------------------------- Nozawa,KENTAROU Geospatial Information Authority of Japan / AES Co.,Ltd. nozawa@gsi.go.jp