Session Notes for R1 (Rapid Turnaround Monday) session: r1014 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2002.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1014 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2002-098-17:00:00 Nominal end: 2002-099-17:00:00 Current yyyyddd: 2002098 (2002.27) ( 12373 MJD, MON. 8APR.) Greenwich sidereal time: 6: 7: 7.60 (17: 0: 0 UT) Sun's RA and DEC: 1h 9.0m 7d 19.4 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Wf Wz 0552+398 02098-170000| 57 70 30 70 30| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Wf Wz 0552+398 02099-163840| 65 86 30 86 30| 1300+580 02099-164136| 30 55 55 33| 0955+476 02099-164454| 30 30 30 30| 1739+522 02099-165338| 109 109| =========================================================== SKED Summary from file ./r1014.skd for experiment R1014 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 7.9 Min = .0 Max = 26.4 (Baseline Hh-Wz on 0552+398) RMS = 8.1 Total time: 1435 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Wf Wz Avg % obs. time: 30 10 30 33 35 28 % cal. time: 5 1 5 5 6 4 % slew time: 26 28 32 20 19 25 % idle time: 38 59 30 40 39 41 # of tapes : 1.8 .6 1.8 1.9 2.1 total # scans: 431 150 464 434 549 405 # scans/hour : 18 6 19 18 22 16.9 Avg scan (sec): 60 61 57 66 55 59 tape change times (hhmm): 0625 0000 0625 0555 0518 0000 0000 0000 0000 1653 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Wf Wz StnTotal ---------------------------------- Gc|431 10 208 350 310 878 Hh| 150 148 42 131 331 Ma| 464 248 444 1048 Wf| 434 309 949 Wz| 549 1194 Number of 2-station scans: 255 Number of 3-station scans: 233 Number of 4-station scans: 196 Number of 5-station scans: 7 Total # of scans, observations: 691 2200 =========================================================== 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 WESTFORD WETTZELL 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 Gc GILCREEK 17400feet (Thin ) 56700. (High) Hh HARTRAO 17400feet (Thin ) 56250. (High) Ma MATERA 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 0) S-band (margin 0) Gc Hh Ma Wf Gc Hh Ma Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Wf 20 20 20 Wf 15 15 15 Wz 20 20 20 20 Wz 15 15 15 15