Session Notes for R1 (Rapid Turnaround Monday) session: r1058 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 R1058 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2003-049-17:00:00 Nominal end: 2003-050-17:00:00 Current yyyyddd: 2003049 (2003.13) ( 12689 MJD, TUES 18FEB.) Greenwich sidereal time: 2:52:59.09 (17: 0: 0 UT) Sun's RA and DEC: 22h 6.9m -11d 36.2 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 0202+149 03049-170000| 183 183 183 101| 1300+580 03049-170000| 51 155 155 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 1749+096 03050-161931| 190 190 190 | 0405-385 03050-162010| 40 40 | 0607-157 03050-162313| 40 40 40 40| 0727-115 03050-162550| 40 40 40 40| 0014+813 03050-162811| 121 122 122| 1357+769 03050-163236| 40 52 66 66 47| 1300+580 03050-163514| 51 87 151 151 84| 0823+033 03050-163817| 40 40| 1726+455 03050-164008| 40 40 40| 3C371 03050-164135| 94 153 167 167 139| 1741-038 03050-164520| 40 40 | CTA26 03050-164701| 40 40 40| 0656+082 03050-164910| 74 74| =========================================================== SKED Summary from file ./r1058.skd for experiment R1058 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.1 Min = .0 Max = 22.7 (Baseline Tc-Wf on 1606+106) RMS = 4.9 Total time: 1430 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Sh=SESHAN25 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Sh Tc Wf Wz Avg % obs. time: 31 18 33 20 22 43 33 29 % cal. time: 4 2 4 2 1 4 4 3 % slew time: 26 40 33 45 3 19 15 26 % idle time: 37 38 28 31 72 32 46 40 # of tapes : 1.8 1.1 1.9 1.1 1.2 2.4 1.9 total # scans: 400 189 377 236 118 402 405 303 # scans/hour : 16 7 15 9 4 16 16 12.7 Avg scan (sec): 67 85 77 73 161 92 71 89 tape change times (hhmm): 0659 1529 0523 1426 1036 0258 0537 0000 0000 0000 0000 0000 1236 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Sh Tc Wf Wz StnTotal ------------------------------------------ Gc|400 13 191 184 34 297 239 958 Hh| 189 152 55 46 61 130 457 Ma| 377 125 43 223 355 1089 Sh| 236 1 91 133 589 Tc| 118 94 44 262 Wf| 402 264 1030 Wz| 405 1165 Number of 2-station scans: 238 Number of 3-station scans: 139 Number of 4-station scans: 180 Number of 5-station scans: 98 Number of 6-station scans: 4 Number of 7-station scans: 0 Total # of scans, observations: 659 2775 =========================================================== 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 SESHAN25 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) Hh HARTRAO 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Sh SESHAN25 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 Sh Tc Wf Gc Hh Ma Sh Tc Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Sh 20 20 20 Sh 15 15 15 Tc 20 20 20 20 Tc 15 15 15 15 Wf 20 20 20 20 20 Wf 15 15 15 15 15 Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15