Session Notes for R1 (Rapid Turnaround Monday) session: r1102 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2003.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1102 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2003-356-17:00:00 Nominal end: 2003-357-17:00:00 Current yyyyddd: 2003356 (2003.98) ( 12996 MJD, MON. 22DEC.) Greenwich sidereal time: 23: 3:21.00 (17: 0: 0 UT) Sun's RA and DEC: 18h 1.9m -23d 26.3 =========================================================== There are no observations for Wettzell from 18:00 U.T. to 20:00 U.T. Wettzell will participate in the intensive session during this two hour period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 2145+067 03356-170000| 190 72 190 | 1300+580 03356-170000| 60 129 129 111| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 4C39.25 03357-164555| 40 40 | 1741-038 03357-164724| 50 50 | 0048-097 03357-164810| 190 190 159| =========================================================== SKED Summary from file ./r1102.skd for experiment R1102 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 6.2 Min = .0 Max = 75.8 (Baseline Gc-Wz on 0106+013) RMS = 7.1 Total time: 1431 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Sh=SESHAN25 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Sh Tc Wf Wz Avg % obs. time: 37 21 37 23 20 35 37 30 % cal. time: 3 1 3 2 1 3 3 2 % slew time: 24 36 29 39 4 15 12 23 % idle time: 34 39 29 34 73 45 45 43 total # scans: 342 170 321 209 120 307 334 257 # scans/hour : 14 7 13 8 5 12 14 10.7 Avg scan (sec): 94 107 99 94 147 100 97 105 Total GBytes: 1138 641 1122 698 606 1081 1148 919 # of 8-packs: 1.2 .7 1.2 .7 .6 1.1 1.2 # of tapes : 2.1 1.2 2.1 1.3 1.1 2.0 2.1 tape change times (hhmm): 0407 1319 0502 1300 1402 0454 0547 1614 0000 1633 0000 0000 0000 1613 Total number of tapes: 11.9 Total GBytes recorded: 6438.2 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Sh Tc Wf Wz StnTotal ------------------------------------------ Gc|342 14 162 157 52 225 199 809 Hh| 170 142 51 41 51 116 415 Ma| 321 109 48 172 279 912 Sh| 209 1 84 110 512 Tc| 120 102 49 293 Wf| 307 182 816 Wz| 334 935 Number of 2-station scans: 184 Number of 3-station scans: 151 Number of 4-station scans: 129 Number of 5-station scans: 92 Number of 6-station scans: 1 Number of 7-station scans: 0 Total # of scans, observations: 557 2346 =========================================================== Recording mode Name Code GEOSX4F 4F Recording mode setup for: GILCREEK Mode Tot.Rate Tot.BandW #chan #bits Barrel VLBA1:2 256.000 Mbits 128.000 MHz 14 1 8:1 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: HARTRAO MATERA SESHAN25 TIGOCONC WESTFORD WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 16 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 =========================================================== Tape types ID Station Tape length Speed ID Station Tape length Speed Gc GILCREEK 17400feet (Thin ) 56700. (High) 14 Hh HARTRAO 17400feet (Thin ) 56250. (High) 14 Ma MATERA 17400feet (Thin ) 56250. (High) 14 Sh SESHAN25 17400feet (Thin ) 56250. (High) 14 Tc TIGOCONC 17400feet (Thin ) 56250. (High) 14 Wf WESTFORD 17400feet (Thin ) 56250. (High) 14 Wz WETTZELL 17400feet (Thin ) 56250. (High) 14 =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Gc Hh Ma Sh Tc Wf Gc Hh Ma Sh Tc Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Sh 20 20 20 Sh 15 15 15 Tc 15 15 15 15 Tc 12 12 12 12 Wf 20 20 20 20 15 Wf 15 15 15 15 12 Wz 20 20 20 20 15 20 Wz 15 15 15 15 12 15