+HEADER CORREL GSI DATABASE 21JAN16XK SESSNAME Q21016 OBSTIME 2021/01/16 UTSTART 0730 DURATION 1 DOY 016 CORRTIME 2021/01/16 CORRPASS 1 EXPORT DONE +SUMMARY Qcode % of Total % of Correlated scans scans 5-9 95.2 % - 0 4.8 % - 4-1,D,G,N 0.0 % - Removed - +CORRELATOR_NOTES Scan 016-0730: FQ = 0 on X/S-band, source 1059+282 Scan 016-0755: FQ = 0 on X/S-band, source 1144+402 Scan 016-0819: FQ = 0 on X-band, source 1059+282 There were good integration time but low SNR. +STATION_NOTES WETTZELL(V-Wz): The SR1U fringes in following scans were not detected by RFI. (17 scans from 016-0807 to 016-0814 and from 016-0818 to 016-0828) Transfer rate: 440 Mbit/s (Tsunami UDP protocol) MK-VLBA (M-Mk): OK. +MANUAL_PCAL +CHANNELS XR1U = band|polarization|channel#|sideband XR1U BBC01 8365.75 XR2U BBC02 8445.75 XR3U BBC03 8805.75 XR4U BBC04 8925.75 SR1U BBC05 2232.75 SR2U BBC06 2262.75 SR3U BBC07 2372.75 SR4U BBC08 2392.75 +DROP_CHANNELS Wz Mk +CLOCKS Clocks: GSI Station fmout-gps used rate Comments [usec] [usec] [sec/sec] Wz -5.74 -3.11 0.00 reference Mk - -13.43 0.00 Date: 2021/01/16 +QCODES Qcodes 0 1 2 3 4 5 6 7 8 9 D G N - Tot ---------------------------------------- VM:X 3 0 0 0 0 0 0 0 1 48 0 0 0 0 52 VM:S 2 0 0 0 0 0 0 0 2 48 0 0 0 0 52 ---------------------------------------- Totals 5 0 0 0 0 0 0 0 3 96 0 0 0 0 104 Legend: QC = 0 : Fringes not detected. = 1-9 : Fringes detected. no error condition. Higher #, better quality. = D : No data in one or more frequency channels. = G : Fringe amp in a channel is <.5 times mean amp (only if SNR>20). = N : No valid correlator data. = - : Not scanned. = Tot : Total number of scans in schedule. +SNR_RATIOS MEAN RATIOS = Observed SNR / Predicted SNR for exp no. 1969 bl X n S n VM 0.86 49 0.81 50 +PCAL_INFORMATION if baseline VM if f_group X pc_mode normal ref_freq 8365.75 pc_freqs XR1U-XR4U 1250 1250 1250 1250 if f_group S pc_mode normal ref_freq 2232.75 pc_freqs SR1U-SR4U 1250 1250 1250 1250 * +END -------------------------------- Yu Takagi Geospatial Information Authority of Japan takagi-y96pg@mlit.go.jp