Session Notes for R1 (Rapid Turnaround Monday) session: r1181 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2005.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1181 Experiment description: IVS-R1 Scheduler: NASA Correlator: Please see master schedule Nominal start: 2005-178-17:00:00 Nominal end: 2005-179-17:00:00 Current yyyyddd: 2005178 (2005.49) ( 13549 MJD, MON. 27JUN.) Greenwich sidereal time: 11:23:36.00 (17: 0: 0 UT) Sun's RA and DEC: 6h 26.7m 23d 17.8 =========================================================== There are no observations for Kokee and Wettzell from 18:15 U.T. to 19:45 U.T. Kokee and Wettzell will participate in the intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ho Kk Wf Wz 1749+096 05178-170000| 40 40 40| 3C371 05178-170000| 40 40 40 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ho Kk Wf Wz 1357+769 05179-165146| 40 40 46 46| 1424-418 05179-165235| 40 40 | 0528+134 05179-165354| 40 40 40 | =========================================================== SKED Summary from file ./r1181.skd for experiment R1181 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 9.5 Min = .0 Max = 56.5 (Baseline Gc-Ho on 4C39.25 ) RMS = 10.0 Total time: 1435 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Ho=HOBART26 Kk=KOKEE Wf=WESTFORD Wz=WETTZELL Gc Hh Ho Kk Wf Wz Avg % obs. time: 42 26 22 39 39 40 35 % cal. time: 5 4 4 5 5 5 5 % slew time: 29 54 50 23 18 14 32 % idle time: 22 16 24 32 37 41 29 total # scans: 459 303 308 460 399 409 389 # scans/hour : 19.2 12.7 12.9 19.2 16.7 17.1 16.3 Avg scan (sec): 80 73 62 73 85 84 75 Total GBytes: 1482 903 798 1371 1362 1384 1217 Total GB(M5): 1317 803 710 1219 1210 1230 1081 # of tapes : 2.8 1.4 1.3 2.1 2.1 2.1 tape change times (hhmm): 0156 0954 1131 0444 0441 0457 1033 0000 0000 1528 1534 1516 Total number of tapes: 11.9 Total GBytes (M5) recorded: 6489.0 # OF OBSERVATIONS BY BASELINE | Gc Hh Ho Kk Wf Wz StnTotal -------------------------------------- Gc|459 9 47 292 257 202 807 Hh| 303 127 0 56 156 348 Ho| 308 158 9 14 355 Kk| 460 193 104 747 Wf| 399 202 717 Wz| 409 678 Number of 2-station scans: 680 Number of 3-station scans: 214 Number of 4-station scans: 84 Number of 5-station scans: 0 Number of 6-station scans: 0 Total # of scans, observations: 978 1826 =========================================================== 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 KOKEE 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 =========================================================== Monitoring Sources Source Min Max Actual Num #Scans 0426+273 1.00 1.50 1.15 21 6 2059-786 1.00 1.50 .33 6 6 0850+581 1.00 1.50 1.48 27 6 1417+273 1.00 1.50 .99 18 12 0123+257 1.00 1.50 1.31 24 11 NGC1218 1.00 1.50 .82 15 11 1150+497 1.00 1.50 1.26 23 9 2250+194 1.00 1.50 1.10 20 16 2235+731 1.00 1.50 1.10 20 8 1738+499 1.00 1.50 1.48 27 9 Total 11.01 201 94 =========================================================== Minor Options Option Norm Wt Aux_Parm Astro Abs 3.00 BegScan Rel 1.00 EndScan Rel 1.00 StatIdle Abs 3.00 StatWt Abs 1.00 FFFFF F =========================================================== Major Options SkyCov Yes Min_Between 20 Best% 60.0 Last_Hrs 1.00 Add_ps 30.00 Obs_Wts SNRwt =========================================================== 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 ) 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 Wf Gc Hh Ho Kk Wf Hh 20 Hh 15 Ho 20 20 Ho 15 15 Kk 20 20 20 Kk 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