Session Notes for R1 (Rapid Turnaround Monday) session: r1019 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2002.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1019 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2002-133-17:00:00 Nominal end: 2002-134-17:00:00 Current yyyyddd: 2002133 (2002.36) ( 12408 MJD, MON. 13MAY.) Greenwich sidereal time: 8:25: 7.03 (17: 0: 0 UT) Sun's RA and DEC: 3h 21.4m 18d 27.7 =========================================================== The following sources were included for research purposes: 0206+136 (60 observations), 0722+145 (50 observations), 1345+125 (56 observations), 1901+155 (61 observations). =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Wf Wz 0607-157 02133-170000| 30 30 30 | 0552+398 02133-170000| 30 30 30| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Wf Wz 0607-157 02134-161439| 30 30 31 31 30| 3C418 02134-161637| 34 61 61| 1803+784 02134-161821| 30 30 30 30| 0552+398 02134-162031| 30 30 30 30| 2113+293 02134-162235| 43 43 | 1334-127 02134-162337| 30 30 | 2136+141 02134-162401| 30 30 | 1351-018 02134-162457| 35 35| 0955+476 02134-162654| 30 30 30 30| 1156+295 02134-162835| 66 66 44| 1128+385 02134-163031| 42 42 30| 1219+044 02134-163218| 72 72| 2234+282 02134-163320| 30 30 | 1726+455 02134-163506| 74 74 57| 1357+769 02134-163826| 30 30 30 30| 0718+793 02134-163940| 50 120 120| 4C39.25 02134-164257| 30 30 30 30| OJ287 02134-164450| 30 30 30 30| 0602+673 02134-164732| 40 40 34 30| 0048-097 02134-165000| 65 65 | =========================================================== SKED Summary from file ./r1019.skd for experiment R1019 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.6 Min = .0 Max = 22.7 (Baseline Ma-Wz on 0206+136) RMS = 5.7 Total time: 1431 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Tc Wf Wz Avg % obs. time: 30 14 34 10 39 34 27 % cal. time: 5 1 5 0 5 5 4 % slew time: 26 31 34 2 20 15 21 % idle time: 38 52 25 85 35 43 46 # of tapes : 1.8 .9 1.9 .6 2.2 2.0 total # scans: 435 161 440 82 461 496 345 # scans/hour : 18 6 18 3 19 20 14.4 Avg scan (sec): 60 79 67 114 73 59 75 tape change times (hhmm): 0636 0000 0511 0000 0336 0551 0000 0000 0000 0000 1440 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Wf Wz StnTotal -------------------------------------- Gc|435 14 237 39 373 303 966 Hh| 161 159 20 58 146 397 Ma| 440 33 251 426 1106 Tc| 82 74 31 197 Wf| 461 304 1060 Wz| 496 1210 Number of 2-station scans: 203 Number of 3-station scans: 219 Number of 4-station scans: 208 Number of 5-station scans: 36 Number of 6-station scans: 0 Total # of scans, observations: 666 2468 =========================================================== This is the first schedule with Tigo-Concepcion as a participating station. The position used is a GPS determined position. =========================================================== 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 TIGOCONC WESTFORD WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 NONE 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 Gc GILCREEK 17400feet (Thin ) 56700. (High) Hh HARTRAO 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Tc TIGOCONC 17400feet (Thin ) 56250. (High) Wf WESTFORD 17400feet (Thin ) 56250. (High) Wz WETTZELL 17400feet (Thin ) 56250. (High) =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 5) Gc Hh Ma Tc Wf Gc Hh Ma Tc Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Tc 20 20 20 Tc 15 15 15 Wf 20 20 20 20 Wf 15 15 15 15 Wz 20 20 20 20 20 Wz 15 15 15 15 15