Session Notes for R1 (Rapid Turnaround Monday) session: r1104 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 R1104 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2004-005-17:00:00 Nominal end: 2004-006-17:00:00 Current yyyyddd: 2004005 (2004.01) ( 13010 MJD, MON. 5JAN.) Greenwich sidereal time: 23:58:33.00 (17: 0: 0 UT) Sun's RA and DEC: 19h 3.8m -22d 37.7 =========================================================== There are no observations for Wettzell from 18:00 U.T. to 20:00 U.T. Wettzell will participate in the intensive session during this two hour period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 2121+053 04005-170000| 190 190 190 | 3C371 04005-170000| 82 132 132 117| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 1749+096 04006-163258| 190 190 190 | 0106+013 04006-163405| 40 40 40| 0235+164 04006-163648| 121 82 121 49| 3C418 04006-164052| 75 120 120 105| 0607-157 04006-164207| 40 40 | NRAO512 04006-164406| 44 44 | 0454-234 04006-164441| 40 40 | 0528+134 04006-164729| 40 40 40| OJ287 04006-165236| 40 40 | =========================================================== SKED Summary from file ./r1104.skd for experiment R1104 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 7.6 Min = .0 Max = 75.8 (Baseline Gc-Wz on 0106+013) RMS = 8.1 Total time: 1433 minutes ( 23.9 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: 36 19 38 26 18 40 34 30 % cal. time: 4 1 4 2 1 3 4 3 % slew time: 24 36 30 43 3 16 12 23 % idle time: 35 41 27 26 77 38 49 42 total # scans: 354 167 349 235 112 337 344 271 # scans/hour : 14 6 14 9 4 14 14 11.3 Avg scan (sec): 88 101 94 98 139 104 85 101 Total GBytes: 1120 595 1162 815 536 1232 1046 929 # of 8-packs: 1.2 .6 1.2 .8 .6 1.3 1.1 # of tapes : 2.0 1.1 2.1 1.5 1.0 2.2 1.9 tape change times (hhmm): 0443 1525 0445 0956 0000 0320 0711 0000 0000 1544 0000 0000 1429 0000 Total number of tapes: 11.9 Total GBytes recorded: 6508.0 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Sh Tc Wf Wz StnTotal ------------------------------------------ Gc|354 16 176 177 54 253 201 877 Hh| 167 142 56 36 65 116 431 Ma| 349 131 48 205 302 1004 Sh| 235 1 91 123 579 Tc| 112 103 44 286 Wf| 337 217 934 Wz| 344 1003 Number of 2-station scans: 169 Number of 3-station scans: 145 Number of 4-station scans: 153 Number of 5-station scans: 99 Number of 6-station scans: 3 Number of 7-station scans: 0 Total # of scans, observations: 569 2557 =========================================================== 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 Speed ID Station Tape length Speed Gc GILCREEK 17400feet (Thin ) 56700. (High) 14 Hh HARTRAO 17400feet (Thin ) 56250. (High) 14 Ma MATERA 17400feet (Thin ) 56250. (High) 14 Sh SESHAN25 17400feet (Thin ) 56250. (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 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 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