Session Notes for R1 (Rapid Turnaround Monday) session: r1080 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 R1080 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2003-202-17:00:00 Nominal end: 2003-203-17:00:00 Current yyyyddd: 2003202 (2003.55) ( 12842 MJD, MON. 21JUL.) Greenwich sidereal time: 12:56:12.06 (17: 0: 0 UT) Sun's RA and DEC: 8h 2.6m 20d 27.3 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ho Kk Ma Tc Wf Wz 0454-234 03202-170000| 79 93 93 | 4C39.25 03202-170000| 40 40 40 40| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ho Kk Ma Tc Wf Wz 0454-234 03203-164155| 79 92 103 103 | NRAO512 03203-164329| 59 59 40| 1741-038 03203-164536| 40 40| 2121+053 03203-164558| 40 40 | 0202+149 03203-164803| 40 44 40 44 | 0104-408 03203-165700| 40 40 | =========================================================== SKED Summary from file ./r1080.skd for experiment R1080 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.5 Min = .0 Max = 22.9 (Baseline Gc-Kk on 3C446 ) RMS = 5.8 Total time: 1437 minutes ( 24.0 hours). Key: Gc=GILCREEK Ho=HOBART26 Kk=KOKEE Ma=MATERA Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Ho Kk Ma Tc Wf Wz Avg % obs. time: 31 15 36 33 18 39 32 29 % cal. time: 5 2 5 4 1 4 5 4 % slew time: 29 36 22 35 4 20 15 23 % idle time: 33 46 36 25 75 34 47 42 # of tapes : 1.9 .9 2.1 1.9 1.0 2.2 1.9 total # scans: 468 174 463 419 113 425 438 357 # scans/hour : 19 7 19 17 4 17 18 14.9 Avg scan (sec): 58 76 67 69 143 81 63 79 tape change times (hhmm): 0636 0000 0427 0553 0000 0334 0652 0000 0000 1657 0000 0000 1433 0000 # OF OBSERVATIONS BY BASELINE | Gc Ho Kk Ma Tc Wf Wz StnTotal ------------------------------------------ Gc|468 58 377 206 30 299 236 1206 Ho| 174 129 29 34 15 18 283 Kk| 463 118 50 246 146 1066 Ma| 419 43 265 403 1064 Tc| 113 81 42 280 Wf| 425 291 1197 Wz| 438 1136 Number of 2-station scans: 289 Number of 3-station scans: 241 Number of 4-station scans: 159 Number of 5-station scans: 103 Number of 6-station scans: 8 Number of 7-station scans: 0 Total # of scans, observations: 800 3116 =========================================================== 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: 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 Recording mode setup for: MATERA 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) Ho HOBART26 17400feet (Thin ) 56250. (High) Kk KOKEE 17400feet (Thin ) 56700. (High) Ma MATERA 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 Ho Kk Ma Tc Wf Gc Ho Kk Ma Tc Wf Ho 20 Ho 15 Kk 20 20 Kk 15 15 Ma 20 20 20 Ma 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