IVS-T2046 (International VLBI Service - Terrestical Reference Frame Observations) 2006 Aug 01/02 doy 213/214 Geodetic Institute of the University of Bonn, Germany Correlator ========== see MASTER SCHEDULE 2006 (master06.txt) Purpose ======= General the purpose of the IVS-T2 sessions is to monitor the TRF via monthly sessions. Since April 2004 the purpose of the remaining IVS-T2 sessions has been changed by the IVS OPC (Observing Program Committee). The new plan uses larger networks for each T2 session, say 16 to 20 stations, but have fewer T2 sessions during the year. The larger network should provide a stronger solution and better TRF results, even if there are fewer sessions each year. The TRF determine from single session solutions or from a global solution is very important IVS product because this is an essential part for creating the ITRF by corresponding IERS Product Center. A particular strength of VLBI is its contribution to the scale of the ITRF. Usually the TRF is computed from the 24h sessions that are dedicated to observing the EOP. Network ======= The standard configuration of the monthly observed IVS-T2 experiments consists of sixteen and more stations. All stations differ in some extent between all available IVS geodetic network stations from experiment to experiment. Schedule ======== This schedule was generated by the last updated SKED version using the EUR-SX band and the 64-16(EU-T2) EURSX-C-4 frequency setup, depending on which station are available for this observation. Variable scan lengths with a minimum 40 sec. and the most recent source flux models are included. SNR goals are 20 at X-band and S-band depent on different baselines and stations. The predicted SNRs used include a 30 ps noise contribution added in quadrature, which is a typical magnitude for the reweight constants applied in SOLVE solutions. Some important optimization features enabled for this experiment : - the covariance analysis during schedule generation considers the previous 1 hours of observations, - minor SKED optimization parameters . maximum number of observations, . minimum time, were optimized over the best ( in a covariance sense ) 75% of the possible observations, this produces a somewhat more even sky distribution, - observations were weighted by their expected SNRs, - 30 ps noise contribution added, - mimimum time between observations of the same radio source was set to 20 min - using 63 source for improving the sky covorage (and some new astrometric sources / see $ASTROMETRIC ) Procedures ========== NO PREPASS TIME: There is no time allowed in the schedule for prepassing tapes. Therefore all tapes needed for this experiment must be pre-checked before the start of this experiment. CONDITIONING: Conditioning has to be done before recording with all used Mark 5 module(s)/disk package(s). =========================================================== Parameter values for experiment T2046 Experiment description: IVS-T2.046 Scheduler: BONN/Mueskens Correlator: see master06.txt file Nominal start: 2006-213-17:30:00 Nominal end: 2006-214-17:30:01 Current yyyyddd: 2006213 (2006.58) ( 13949 MJD, TUES 1AUG.) Greenwich sidereal time: 14:10:43.00 (17:30: 0 UT) Sun's RA and DEC: 8h 47.0m 17d 55.2 =========================================================== There are no observations for Wettzell from 18:30 U.T. to 19:30 U.T. Wettzell will participate in the intensive session during this one hour period. =========================================================== First observations Observation listing from file t2046.skd for experiment T2046 Source Start DURATIONS name yyddd-hhmmss 6a Ap Yk Sm Ft Ho Kb Mh Nt Gg Pa Sh Sv Ur Wz Zc 1611+343 06213-173000| 40 40 214 161 214 165 72 133 48 121 90 48| CTA26 06213-173000| 40 40 40 | 0607-157 06213-175920| 40 40 | End of listing. =========================================================== Last observations 1739+522 06214-170936| 186 186| 1611+343 06214-171051| 40 40 214 161 214 40 165 72 133 48 121 90 | 0208-512 06214-171143| 40 40 | 0235+164 06214-171648| 128 128 40 | 1741-038 06214-171726| 40 40 40 40 40 40 40 40 40| 1124-186 06214-171758| 59 59 | 1053+815 06214-172013| 44 44 | OQ208 06214-172029| 162 40 162 | 1519-273 06214-172146| 40 149 98 149 64| 0727-115 06214-172235| 40 129 129 | 1418+546 06214-172259| 56 56 | 1954-388 06214-172354| 40 40 40 | End of listing. =========================================================== Average number of obs. per baseline per source (normalized by up-time) = 5.0 Min = .0 Max = 110.8 (Baseline Kb-Sv on 2243-123) RMS = 8.5 Total time: 1435 minutes ( 23.9 hours). Key: 6a=DSS65A Ap=ALGOPARK Yk=ARIES_9M Sm=CRIMEA Ft=FORTLEZA Ho=HOBART26 Kb=KASHIM34 Mh=METSAHOV Nt=NOTO Gg=ORION_5M Pa=PARKES64 Sh=SESHAN25 Sv=SVETLOE Ur=URUMQI Wz=WETTZELL Zc=ZELENCHK 6a Ap Yk Sm Ft Ho Kb Mh Nt Gg Pa Sh Sv Ur Wz Zc Avg % obs. time: 16 18 34 40 39 29 23 35 29 13 13 37 18 35 29 18 27 % cal. time: 3 3 2 2 2 3 3 2 3 1 3 2 3 2 3 3 2 % slew time: 58 65 13 26 26 40 34 23 30 1 53 23 37 22 8 37 32 % idle time: 22 14 50 31 32 26 38 39 37 84 31 36 41 40 60 42 39 total # scans: 223 218 163 175 156 259 262 171 219 62 239 212 239 198 218 243 203 # scans/hour : 9.3 9.1 6.8 7.3 6.5 10.8 11.0 7.1 9.2 2.6 10.0 8.9 10.0 8.3 9.1 10.2 8.5 Avg scan (sec): 62 70 180 195 218 98 77 178 114 183 46 151 65 153 113 63 122 Total GBytes: 251 275 462 539 611 457 363 546 451 204 174 288 281 546 444 278 386 Total GB(M5): 223 244 469 547 543 406 323 486 401 181 177 256 250 485 395 247 352 # of tapes : .4 .4 3.9 4.5 3.9 .7 2.4 .9 .8 .4 1.3 .5 .5 .9 .7 .4 tape change times (hhmm): 0000 0000 0006 2313 0128 0000 0350 0000 0000 0000 1248 0000 0000 0000 0000 0000 0000 0000 0733 0459 0645 0000 1343 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 1249 1004 1233 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 1502 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 Total number of tapes: 22.7 Total GBytes (M5) recorded: 5633.0 # OF OBSERVATIONS BY BASELINE | 6a Ap Yk Sm Ft Ho Kb Mh Nt Gg Pa Sh Sv Ur Wz Zc StnTotal ------------------------------------------------------------------------------ 6a|223 62 47 112 77 0 46 114 160 13 0 43 152 92 149 152 1219 Ap| 218 105 50 80 3 44 48 59 36 0 23 69 49 62 58 748 Yk| 163 48 47 7 55 42 44 4 3 38 63 55 54 51 663 Sm| 175 69 14 50 137 149 6 5 65 134 120 147 157 1263 Ft| 156 15 4 59 79 10 0 9 66 42 71 70 698 Ho| 259 95 5 8 0 215 81 6 25 6 10 490 Kb| 262 53 50 1 92 176 81 105 57 69 978 Mh| 171 131 4 1 60 145 109 142 145 1195 Nt| 219 5 0 55 159 113 187 176 1375 Gg| 62 0 0 4 0 5 6 94 Pa| 239 65 1 19 0 5 406 Sh| 212 76 114 59 75 939 Sv| 239 128 171 200 1455 Ur| 198 117 130 1218 Wz| 218 182 1409 Zc| 243 1486 Total # of scans, observations: 815 7818 =========================================================== Recording mode Name Code EUR2-SX SX Recording mode setup for: ALGOPARK HOBART26 METSAHOV Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 128.000 Mbits 64.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 1 16(*2) 32 80.00 X-band spanned bw= 360.0 MHz rms spanned bw= 140.2 MHz S-band spanned bw= 80.0 MHz rms spanned bw= 30.2 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: YLOW7296 CRIMEA PARKES Mode Tot.Rate Tot.BandW #chan #bits Barrel C 112.000 Mbits 56.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 2 14(*0) 28 270.00 X-band spanned bw= 360.0 MHz rms spanned bw= 140.2 MHz S-band spanned bw= 80.0 MHz rms spanned bw= 30.2 MHz Effective number of channels recorded per sub-pass X S Total 8.000 6.000 14.000 Recording mode setup for: DSS65A NOTO GGAO7108 SVETLOE URUMQI WETTZELL ZELENCHK Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 128.000 Mbits 64.000 MHz 14 1 16 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 1 16(*2) 32 80.00 X-band spanned bw= 360.0 MHz rms spanned bw= 140.2 MHz S-band spanned bw= 80.0 MHz rms spanned bw= 30.2 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: FORTLEZA KASHIM34 Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 128.000 Mbits 64.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 1 16(*2) 32 135.00 X-band spanned bw= 360.0 MHz rms spanned bw= 140.2 MHz S-band spanned bw= 80.0 MHz rms spanned bw= 30.2 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: SESHAN25 Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:4 64.000 Mbits 32.000 MHz 8 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 1 8(*4) 32 40.00 X-band spanned bw= 330.0 MHz rms spanned bw= 129.7 MHz S-band spanned bw= 80.0 MHz rms spanned bw= 31.7 MHz Effective number of channels recorded per sub-pass X S Total 4.000 4.000 8.000 =========================================================== Minor Options Option Norm Wt Aux_Parm Astro Abs 5.00 BegScan Rel 1.00 EndScan Rel 1.00 NumObs Rel 5.00 StatIdle Abs 1.00 StatWt Abs 10.00 FFTFT FFFFF FFFFF F =========================================================== Tape types ID Station Tape length Density Passes Ap ALGOPARK 17400feet (Thin ) 56250 (HIGH ) 14 Yk YLOW7296 8700feet (Thick ) 33333 (Low ) 12 Sm CRIMEA 8700feet (Thick ) 33333 (Low ) 12 6a DSS65A 17400feet (Thin ) 56250 (HIGH ) 14 Ft FORTLEZA 8700feet (Thick ) 33333 (Low ) 14 Ho HOBART26 17400feet (Thin ) 56250 (HIGH ) 14 Kb KASHIM34 8700feet (Thick ) 33333 (Low ) 12 Mh METSAHOV 17400feet (Thin ) 56250 (HIGH ) 14 Nt NOTO 17400feet (Thin ) 56250 (HIGH ) 14 Gg GGAO7108 17400feet (Thin ) 56250 (HIGH ) 14 Pa PARKES 8700feet (Thick ) 33333 (Low ) 12 Sh SESHAN25 17400feet (Thin ) 56250 (HIGH ) 14 Sv SVETLOE 17400feet (Thin ) 56250 (HIGH ) 14 Ur URUMQI 17400feet (Thin ) 56250 (HIGH ) 14 Wz WETTZELL 17400feet (Thin ) 56250 (HIGH ) 14 Zc ZELENCHK 17400feet (Thin ) 56250 (HIGH ) 14 ===========================================================