Session Notes for R1 (Rapid Turnaround Monday) session: r1072 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 R1072 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2003-147-17:00:00 Nominal end: 2003-148-17:00:00 Current yyyyddd: 2003147 (2003.40) ( 12787 MJD, TUES 27MAY.) Greenwich sidereal time: 9:19:21.52 (17: 0: 0 UT) Sun's RA and DEC: 4h 16.5m 21d 18.5 ============================================================= Hobart will not participate in this session because they have not been upgraded to Mark 5 as yet. ============================================================= First observations Source Start DURATIONS name yyddd-hhmmss Gc Kk Ma Tc Wf Wz 0106+013 03147-170000| 190 190 190 | 0642+449 03147-170000| 40 40 40| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Kk Ma Tc Wf Wz 0202+149 03148-164014| 132 158 190 190 | 1726+455 03148-164425| 83 190 190 160| 0014+813 03148-164826| 40 40 | 1156+295 03148-164958| 40 40| 1923+210 03148-165027| 40 40 | 1606+106 03148-165155| 40 40| =========================================================== SKED Summary from file ./r1072.skd for experiment R1072 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 5.5 Min = .0 Max = 28.6 (Baseline Gc-Kk on 0727-115) RMS = 6.2 Total time: 1432 minutes ( 23.9 hours). Key: Gc=GILCREEK Kk=KOKEE Ma=MATERA Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Kk Ma Tc Wf Wz Avg % obs. time: 31 36 33 21 40 32 32 % cal. time: 5 5 5 1 5 5 4 % slew time: 28 20 34 4 19 15 20 % idle time: 34 37 27 72 35 46 42 # of tapes : 1.9 2.1 1.9 1.2 2.3 1.9 total # scans: 493 440 440 126 440 477 402 # scans/hour : 20 18 18 5 18 19 16.8 Avg scan (sec): 55 72 65 149 78 59 79 tape change times (hhmm): 0632 0440 0619 1338 0327 0547 0000 1620 0000 0000 1419 0000 # OF OBSERVATIONS BY BASELINE | Gc Kk Ma Tc Wf Wz StnTotal -------------------------------------- Gc|493 392 219 37 314 256 1218 Kk| 440 121 74 262 156 1005 Ma| 440 41 263 438 1082 Tc| 126 94 43 289 Wf| 440 294 1227 Wz| 477 1187 Number of 2-station scans: 311 Number of 3-station scans: 192 Number of 4-station scans: 167 Number of 5-station scans: 104 Number of 6-station scans: 5 Total # of scans, observations: 779 3004 =========================================================== 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: KOKEE Mode Tot.Rate Tot.BandW #chan #bits Barrel VLBA1:2 256.000 Mbits 128.000 MHz 14 1 16:1 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 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) Kk KOKEE 17400feet (Thin ) 56700. (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 Kk Ma Tc Wf Gc Kk Ma Tc Wf Kk 20 Kk 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