JADE-1109 (Japanese Dynamic Earth observation by VLBI) 2011 September 08-09 Notes prepared by YM Geographical Survey Institute, Japan Session JD1109 Start 2011-251 02:00:00 September 08 End 2011-252 01:57:42 September 09 Stations Duration: 24 hours Correlator: TSUKUBA(GSI) PURPOSE ======= The purpose of the JADE sessions is to monitor the plate motion and the local crustal movement around Japan. In 2011 fiscal year, JADE session will be carried out once a month. NETWORK ======= The standard configuration of the JADE projests consists of some stations. Code : Station SCHEDULE ======== This schedule was made by YM using sked. Schedule setup parameters: Early start sec Corr. tape sync time ON sec Minimum scan length sec Maximum scan length sec Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Ts Cc S3 Vm Vs K1 Ts Cc S3 Vm Vs K1 Cc 20 Cc 19 S3 17 0 S3 16 0 Vm 20 16 14 Vm 19 16 12 Vs 20 16 14 16 Vs 19 16 12 16 K1 20 16 14 16 16 K1 19 16 12 16 16 Kg 20 16 14 16 16 16 Kg 19 16 12 16 16 16 Automatic scheduling setup: optimize for uniform sky coverage at all stations, maximize the number of observations, minimize slewing time, minimize time between scans, consider the top 0 of ranked scans for selection, consider the last 0 hour of scans for sky coverage calculations, minimum : min between scans on the same source. The characteristics of the generated schedule are listed below. These will vary slightly for each schedule that is generated. Schedule characteristics: Average scan length 415 seconds Median SNR 40 at X-band 30 at S-band Number of observations 3183 observations Average scans per station 149 scans FREQUENCY SEQUENCE ================== Chann# Band Skyfreq(MHz) LOfreq(MHz) 1 x 8204.99 7680.0 2 x 8214.99 7680.0 3 x 8244.99 7680.0 4 x 8304.99 7680.0 5 x 8414.99 7680.0 6 x 8494.99 7680.0 7 x 8544.99 7680.0 8 x 8564.99 7680.0 9 s 2232.99 1600.0 10 s 2240.99 1600.0 11 s 2256.99 1600.0 12 s 2312.99 1600.0 13 s 2344.99 1600.0 14 s 2352.99 1600.0 APPENDIX ======== SKED Summary from file /home/sked/skd_files/jd1109.skd for experiment JD1109 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 3.1 Min = 0.0 Max = 22.0 (Baseline K1-Kg on 4C39.25 ) RMS = 5.4 Total time: 1439 minutes ( 24.0 hours). Key: Ts=TSUKUB32 Cc=CHICHI10 S3=SINTOTU3 Vm=VERAMZSW Vs=VERAISGK K1=KASHIM11 Kg=KOGANEI Ts Cc S3 Vm Vs K1 Kg Avg % obs. time: 19 58 40 81 72 68 68 58 % cal. time: 0 0 0 0 0 0 0 0 % slew time: 12 8 6 12 11 9 9 10 % idle time: 67 32 53 6 17 22 22 32 total # scans: 229 202 95 171 149 228 228 186 # scans/hour : 10 8 4 7 6 10 10 8 Avg scan (sec): 73 250 364 407 415 258 257 288 # data tracks: 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 Total GBytes: 302 908 623 1252 1113 1060 1056 902 Total GB(M5): 268 807 554 1113 989 942 939 802 # of tapes : 1.0 1.0 1.0 1.0 1.0 1.0 1.0 tape change times (hhmm): Total number of tapes: 7.0 Total GBytes (M5) recorded: 5612.3 # OF OBSERVATIONS BY BASELINE | Ts Cc S3 Vm Vs K1 Kg StnTotal --------------------------------------------- Ts| 202 95 171 149 228 228 1073 Cc| 76 164 146 201 201 990 S3| 76 54 95 95 491 Vm| 138 170 170 889 Vs| 148 148 783 K1| 228 1070 Kg| 1070 Number of 2-station scans: 0 Number of 3-station scans: 0 Number of 4-station scans: 55 Number of 5-station scans: 15 Number of 6-station scans: 106 Number of 7-station scans: 53 Total # of scans, observations: 229 3183