Session Notes for R1 (Rapid Turnaround Monday) session: r1015 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 R1015 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2002-105-17:00:00 Nominal end: 2002-106-17:00:00 Current yyyyddd: 2002105 (2002.29) ( 12380 MJD, MON. 15APR.) Greenwich sidereal time: 6:34:43.48 (17: 0: 0 UT) Sun's RA and DEC: 1h 34.7m 9d 52.8 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Ts Wf Wz 1357+769 02105-170000| 30 30 30 | 4C39.25 02105-170000| 31 31 30| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Ts Wf Wz 0454-234 02106-164059| 30 30 30 30| 1606+106 02106-164217| 30 30 | 1128+385 02106-164417| 41 41 30 32| NRAO512 02106-164639| 50 30 50| 0003-066 02106-164951| 30 30 | =========================================================== SKED Summary from file ./r1015.skd for experiment R1015 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 6.9 Min = .0 Max = 31.1 (Baseline Gc-Ts on 2128-123) RMS = 7.6 Total time: 1430 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Ts Wf Wz Avg % obs. time: 28 11 28 25 29 32 25 % cal. time: 5 1 5 5 4 5 4 % slew time: 32 33 31 21 19 19 26 % idle time: 32 52 34 48 47 42 43 # of tapes : 1.7 .7 1.7 1.5 1.6 1.9 total # scans: 490 165 439 431 380 513 403 # scans/hour : 20 6 18 18 15 21 16.8 Avg scan (sec): 50 61 55 50 65 54 55 tape change times (hhmm): 0629 0000 0653 1010 0801 0547 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Ts Wf Wz StnTotal -------------------------------------- Gc|490 6 188 353 290 273 1110 Hh| 165 139 54 43 128 370 Ma| 439 183 225 421 1156 Ts| 431 169 241 1000 Wf| 380 268 995 Wz| 513 1331 Number of 2-station scans: 267 Number of 3-station scans: 228 Number of 4-station scans: 185 Number of 5-station scans: 92 Number of 6-station scans: 0 Total # of scans, observations: 772 2981 =========================================================== 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 TSUKUB32 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) Ts TSUKUB32 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 Ts Wf Gc Hh Ma Ts Wf Hh 20 Hh 15 Ma 20 20 Ma 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