Session Notes for R1 (Rapid Turnaround Monday) session: r1132 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2004.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1132 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2004-201-17:00:00 Nominal end: 2004-202-17:00:00 Current yyyyddd: 2004201 (2004.55) ( 13206 MJD, MON. 19JUL.) Greenwich sidereal time: 12:51:18.00 (17: 0: 0 UT) Sun's RA and DEC: 7h 57.6m 20d 41.4 =========================================================== 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 Sh Tc Wf Wz 1334-127 04201-170000| 49 200 200| 3C371 04201-170000| 91 166 166 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Sh Tc Wf Wz 0454-234 04202-163813| 109 109 | 0458-020 04202-164045| 152 152 | 1611+343 04202-164240| 40 40 40| 0955+476 04202-164500| 40 40 40| 1958-179 04202-164659| 86 86 | 2318+049 04202-165120| 72 72 | 2121+053 04202-165423| 40 40 | =========================================================== SKED Summary from file ./r1132.skd for experiment R1132 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 7.7 Min = .0 Max = 68.6 (Baseline Sh-Tc on 0607-157) RMS = 8.8 Total time: 1435 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Sh=SESHAN25 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Sh Tc Wf Wz Avg % obs. time: 42 33 31 32 44 41 37 % cal. time: 4 2 2 2 4 3 3 % slew time: 23 43 40 7 17 12 24 % idle time: 29 20 24 57 33 42 34 total # scans: 381 248 255 197 355 331 294 # scans/hour : 15 10 10 8 14 13 12.3 Avg scan (sec): 95 115 107 141 108 107 112 Total GBytes: 1443 1120 1080 1073 1516 1398 1272 Total GB(M5): 1282 996 960 953 1347 1242 1131 # of tapes : 2.7 1.9 1.8 1.8 2.4 2.3 tape change times (hhmm): 0224 0632 0651 0657 0159 0445 1132 0000 0000 0000 1224 1457 Total number of tapes: 12.8 Total GBytes (M5) recorded: 6783.6 # OF OBSERVATIONS BY BASELINE | Gc Hh Sh Tc Wf Wz StnTotal -------------------------------------- Gc|381 5 177 47 234 157 620 Hh| 248 62 97 61 149 374 Sh| 255 2 57 119 417 Tc| 197 126 52 324 Wf| 355 147 625 Wz| 331 624 Number of 2-station scans: 421 Number of 3-station scans: 211 Number of 4-station scans: 73 Number of 5-station scans: 0 Number of 6-station scans: 0 Total # of scans, observations: 705 1492 =========================================================== 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 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 Density Passes Gc GILCREEK 17400feet (Thin ) 56700 (HIGH ) 12 Hh HARTRAO 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 Sh Tc Wf Gc Hh Sh Tc Wf Hh 20 Hh 15 Sh 20 20 Sh 15 15 Tc 15 15 15 Tc 12 12 12 Wf 20 20 20 15 Wf 15 15 15 12 Wz 20 20 20 15 20 Wz 15 15 15 12 15