Session Notes for R1 (Rapid Turnaround Monday) session: r1075 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 R1075 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2003-167-17:00:00 Nominal end: 2003-168-17:00:00 Current yyyyddd: 2003167 (2003.46) ( 12807 MJD, MON. 16JUN.) Greenwich sidereal time: 10:38:12.62 (17: 0: 0 UT) Sun's RA and DEC: 5h 38.8m 23d 21.0 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Kk Ma Tc Wf Wz 0642+449 03167-170000| 190 190 190 190 190 190| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Kk Ma Tc Wf Wz CTA26 03168-164836| 123 98 149 149 | 1606+106 03168-164952| 40 40| 0607-157 03168-165152| 100 100 | 1219+044 03168-165158| 114 114| =========================================================== SKED Summary from file ./r1075.skd for experiment R1075 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 5.4 Min = .0 Max = 22.5 (Baseline Gc-Kk on CTA26 ) RMS = 6.4 Total time: 1434 minutes ( 23.9 hours). Key: Gc=GILCREEK Kk=KOKEE Ma=MATERA Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Kk Ma Tc Wf Wz Avg % obs. time: 32 36 33 18 41 33 32 % cal. time: 5 4 4 1 5 5 4 % slew time: 30 20 34 3 20 15 21 % idle time: 30 38 27 75 32 44 41 # of tapes : 1.9 2.0 1.9 1.1 2.3 1.9 total # scans: 485 428 423 109 446 466 392 # scans/hour : 20 17 17 4 18 19 16.4 Avg scan (sec): 57 72 67 149 80 62 81 tape change times (hhmm): 0558 0425 0508 1638 0322 0607 0000 0000 0000 0000 1415 0000 # OF OBSERVATIONS BY BASELINE | Gc Kk Ma Tc Wf Wz StnTotal -------------------------------------- Gc|485 390 209 35 330 251 1215 Kk| 428 122 61 270 157 1000 Ma| 423 41 260 422 1054 Tc| 109 88 43 268 Wf| 446 297 1245 Wz| 466 1170 Number of 2-station scans: 291 Number of 3-station scans: 188 Number of 4-station scans: 161 Number of 5-station scans: 105 Number of 6-station scans: 7 Total # of scans, observations: 752 2976 =========================================================== 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: 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) 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 Kk Ma Tc Wf Gc Kk Ma Tc Wf Kk 20 Kk 15 Ma 20 20 Ma 15 15 Tc 20 20 20 Tc 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