Session Notes for R1 (Rapid Turnaround Monday) session: r1122 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 R1122 Experiment description: IVS-R1 Scheduler: NASA Correlator: WACO Nominal start: 2004-131-17:00:00 Nominal end: 2004-132-17:00:00 Current yyyyddd: 2004131 (2004.36) ( 13136 MJD, MON. 10MAY.) Greenwich sidereal time: 8:15:19.34 (17: 0: 0 UT) Sun's RA and DEC: 3h 11.7m 17d 50.3 =========================================================== There are no observations for Kokee and Wettzell from 18:00 U.T. to 20:00 U.T. Kokee and Wettzell will participate in the intensive session during this two hour period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ho Kk Tc Wf Wz 3C446 04131-170000| 83 99 99 | 0528+134 04131-170000| 102 102 40 77| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ho Kk Tc Wf Wz 1954-388 04132-164745| 40 40 | 0955+476 04132-164838| 40 40 40| 0528+134 04132-165005| 190 190 | 1128+385 04132-165034| 40 40| 0642+449 04132-165312| 40 40 40| =========================================================== SKED Summary from file ./r1122.skd for experiment R1122 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 3.9 Min = .0 Max = 28.6 (Baseline Tc-Wf on OJ287 ) RMS = 5.6 Total time: 1434 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Ho=HOBART26 Kk=KOKEE Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ho Kk Tc Wf Wz Avg % obs. time: 31 26 24 37 40 45 36 34 % cal. time: 4 2 2 3 2 4 3 3 % slew time: 25 49 46 18 9 16 12 25 % idle time: 38 20 26 39 47 33 46 36 total # scans: 375 236 232 341 229 348 330 298 # scans/hour : 15 9 9 14 9 14 13 12.4 Avg scan (sec): 71 97 90 95 152 111 96 101 Total GBytes: 1103 912 835 1298 1337 1519 1259 1180 # of tapes : 2.1 1.5 1.4 2.1 2.2 2.4 2.1 tape change times (hhmm): 0439 1005 1016 0527 0453 0307 0550 1620 0000 0000 1557 1506 1224 1637 # OF OBSERVATIONS BY BASELINE | Gc Hh Ho Kk Tc Wf Wz StnTotal ------------------------------------------ Gc|375 14 62 244 46 246 215 827 Hh| 236 82 0 81 62 121 360 Ho| 232 113 63 19 15 354 Kk| 341 93 186 124 760 Tc| 229 124 51 458 Wf| 348 214 851 Wz| 330 740 Number of 2-station scans: 344 Number of 3-station scans: 199 Number of 4-station scans: 189 Number of 5-station scans: 10 Number of 6-station scans: 0 Number of 7-station scans: 0 Total # of scans, observations: 742 2175 =========================================================== 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 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 Recording mode setup for: HOBART26 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 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 =========================================================== Tape types ID Station Tape length Density Passes Gc GILCREEK 17400feet (Thin ) 56700. (High) 12 Hh HARTRAO 17400feet (Thin ) 56250. (High) 14 Ho HOBART26 17400feet (Thin ) 56250. (High) 14 Kk KOKEE 17400feet (Thin ) 56700. (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 Ho Kk Tc Wf Gc Hh Ho Kk Tc Wf Hh 20 Hh 15 Ho 20 20 Ho 15 15 Kk 20 20 20 Kk 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