Session Notes for R1 (Rapid Turnaround Monday) session: r1129 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 R1129 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2004-180-17:00:00 Nominal end: 2004-181-17:00:00 Current yyyyddd: 2004180 (2004.49) ( 13185 MJD, MON. 28JUN.) Greenwich sidereal time: 11:28:30.00 (17: 0: 0 UT) Sun's RA and DEC: 6h 31.9m 23d 14.2 =========================================================== 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 Ny On Ts Wf Wz 0602+673 04180-170000| 54 62 125 95 125 46| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ny On Ts Wf Wz 1423+146 04181-163923| 200 200 200| 0119+115 04181-164106| 40 40 40 | 0235+164 04181-164235| 40 40 40 | 1124-186 04181-164349| 55 55| 0048-097 04181-164433| 40 40 | 1004+141 04181-164558| 197 197| 2243-123 04181-164736| 40 40 | NRAO150 04181-165138| 40 40| 1302-102 04181-165406| 90 90| =========================================================== SKED Summary from file ./r1129.skd for experiment R1129 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 9.7 Min = .0 Max = 96.0 (Baseline Ts-Wf on 0048-097) RMS = 11.3 Total time: 1435 minutes ( 23.9 hours). Key: Gc=GILCREEK Ny=NYALES20 On=ONSALA60 Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Ny On Ts Wf Wz Avg % obs. time: 38 22 44 28 39 38 35 % cal. time: 5 2 5 5 4 5 4 % slew time: 31 15 28 20 17 14 21 % idle time: 24 59 21 46 37 42 38 total # scans: 493 256 463 438 381 446 412 # scans/hour : 20 10 19 18 15 18 17.2 Avg scan (sec): 67 75 82 56 90 73 73 Total GBytes: 1374 788 1549 1041 1373 1341 1245 Total GB(M5): 1222 700 1377 926 1220 1192 1106 # of tapes : 2.6 1.3 2.5 1.6 2.2 2.1 tape change times (hhmm): 0227 1143 0345 0703 0317 0542 1121 0000 1255 0000 1414 1547 Total number of tapes: 12.4 Total GBytes (M5) recorded: 6638.9 # OF OBSERVATIONS BY BASELINE | Gc Ny On Ts Wf Wz StnTotal -------------------------------------- Gc|493 155 130 359 277 114 1035 Ny| 256 210 134 172 185 856 On| 463 162 187 396 1085 Ts| 438 149 131 935 Wf| 381 188 973 Wz| 446 1014 Number of 2-station scans: 465 Number of 3-station scans: 193 Number of 4-station scans: 95 Number of 5-station scans: 54 Number of 6-station scans: 53 Total # of scans, observations: 860 2949 =========================================================== 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: NYALES20 ONSALA60 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: TSUKUB32 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 =========================================================== Tape types ID Station Tape length Density Passes Gc GILCREEK 17400feet (Thin ) 56700. (High ) 12 Ny NYALES20 17400feet (Thin ) 56250. (High ) 14 On ONSALA60 17400feet (Thin ) 56250. (High ) 14 Ts TSUKUB32 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 Ny On Ts Wf Gc Ny On Ts Wf Ny 20 Ny 15 On 20 20 On 15 15 Ts 20 20 20 Ts 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