Session Notes for R1 (Rapid Turnaround Monday) session: r1044 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 R1044 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2002-308-17:00:00 Nominal end: 2002-309-17:00:00 Current yyyyddd: 2002308 (2002.84) ( 12583 MJD, MON. 4NOV.) Greenwich sidereal time: 19:55: 4.22 (17: 0: 0 UT) Sun's RA and DEC: 14h 38.7m -15d 28.1 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Tc Wf Wz 1606+106 02308-170000| 140 190 190 190 108 190| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Tc Wf Wz 1334-127 02309-161831| 190 190 | 0556+238 02309-162005| 68 68 | 1908-201 02309-162224| 40 40| 1219+044 02309-162327| 97 97 | 2136+141 02309-162527| 40 40 40| 1351-018 02309-162547| 54 54 | 2134+00 02309-162657| 42 42 40| 2255-282 02309-162842| 40 40| 2318+049 02309-163021| 68 68 61| 0048-097 02309-163227| 43 43| 0528+134 02309-163352| 40 40 | 2234+282 02309-163552| 40 40 40| 1803+784 02309-163835| 40 40 40 40 40| 1357+769 02309-164014| 40 40 40 40 40| 1044+719 02309-164137| 43 40 43| 1726+455 02309-164338| 40 56 40 56 40| 1417+385 02309-164603| 74 103 93 103 94| OK290 02309-164835| 40 40 | 2243-123 02309-165044| 40 40| =========================================================== SKED Summary from file ./r1044.skd for experiment R1044 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 5.9 Min = .0 Max = 35.1 (Baseline Ny-Wz on 1741-038) RMS = 6.5 Total time: 1431 minutes ( 23.9 hours). Key: Gc=GILCREEK Ma=MATERA Ny=NYALES20 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Ma Ny Tc Wf Wz Avg % obs. time: 32 33 36 14 39 33 31 % cal. time: 5 4 5 0 4 5 4 % slew time: 27 34 25 3 19 16 21 % idle time: 34 26 32 81 36 44 42 # of tapes : 1.9 1.9 2.4 .8 2.1 1.9 total # scans: 444 424 496 84 428 479 392 # scans/hour : 18 17 20 3 17 20 16.4 Avg scan (sec): 62 67 62 143 78 60 78 tape change times (hhmm): 0623 0544 0250 0000 0506 0517 0000 0000 1316 0000 1518 0000 # OF OBSERVATIONS BY BASELINE | Gc Ma Ny Tc Wf Wz StnTotal -------------------------------------- Gc|444 225 386 33 332 273 1249 Ma| 424 325 37 253 421 1261 Ny| 496 27 315 381 1434 Tc| 84 78 36 211 Wf| 428 289 1267 Wz| 479 1400 Number of 2-station scans: 200 Number of 3-station scans: 160 Number of 4-station scans: 126 Number of 5-station scans: 181 Number of 6-station scans: 11 Total # of scans, observations: 678 3411 =========================================================== 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: MATERA NYALES20 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 Gc GILCREEK 17400feet (Thin ) 56700. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Ny NYALES20 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 Ma Ny Tc Wf Gc Ma Ny Tc Wf Ma 20 Ma 15 Ny 20 20 Ny 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