Session Notes for APSG (Asian Pacific Space Geodynamics) session: apsg22 Prepared by C. Thomas, NVI, Inc./GSFC =========================================================== The primary purpose of this Asian Pacific Space Geodynamics (APSG) session is to continue monitoring the relative motions of the plates in the Asia-Pacific region. This session involves six sites on the three plates. Hobart and Parkes are on the Australian Plate, Seshan, Urumqi, Tsukuba, Chich10, and Sintotu3 are on the Eurasian Plate, and Kokee is on the Pacific Plate. Thus, this session will produce critical data for the investigation of the current crustal motions in the Asia-Pacific region combined with the data from the APSG SLR and GPS campaigns. Also, this experiment will improve the accuracy of the geocentric coordinates of the participating stations, especially Urumqi. =========================================================== Parameter values for experiment APSG22 Experiment description: APSG Scheduler: NASA Correlator: Please see the master schedule. Nominal start: 2008-253-17:30:00 Nominal end: 2008-254-17:30:00 Current yyyyddd: 2008253 (2008.69) ( 14719 MJD, TUES 9SEP.) Greenwich sidereal time: 16:46: 0.00 (17:30: 0 UT) Sun's RA and DEC: 11h 13.6m 4d 58.8 =========================================================== There are no observations for Kokee from 18:15 U.T. to 19:45 U.T. Kokee will participate in the intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Cc Ho Kk Pa S3 Sh Ts Ur 0104-408 08253-173000| 84 84 70 82 70 | 2243-123 08253-173221| 173 153 153 70 173| 0727-115 08253-173426| 70 70 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Cc Ho Kk Pa S3 Sh Ts Ur 0003-066 08254-171724| 525 287 287 81 525| 0106+013 08254-172254| 87 87 70 76 70 | 2201+315 08254-172501| 82 82 | 0235+164 08254-172554| 70 70 70 70 | =========================================================== SKED Summary from file ./apsg22.skd for experiment APSG22 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 8.4 Min = 0.0 Max = 39.3 (Baseline Cc-Kk on 0104-408) RMS = 8.8 Total time: 1437 minutes ( 24.0 hours). Key: Cc=CHICHI10 Ho=HOBART26 Kk=KOKEE Pa=PARKES64 S3=SINTOTU3 Sh=SESHAN25 Ts=TSUKUB32 Ur=URUMQI Cc Ho Kk Pa S3 Sh Ts Ur Avg % obs. time: 46 38 37 28 44 41 37 42 39 % cal. time: 4 4 3 3 4 4 5 4 4 % slew time: 11 36 16 54 26 33 20 30 29 % idle time: 37 21 42 14 26 22 37 23 28 total # scans: 367 302 279 245 326 337 411 340 325 # scans/hour : 15 13 12 10 14 14 17 14 14 Avg scan (sec): 109 109 115 99 116 105 78 106 104 # data tracks: 16 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 16 Total GBytes: 787 646 630 479 737 696 652 709 667 Total GB(M5): 699 574 560 426 655 619 579 631 593 # of tapes : 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 tape change times (hhmm): Total number of tapes: 0.6 Total GBytes (M5) recorded: 4742.8 # OF OBSERVATIONS BY BASELINE | Cc Ho Kk Pa S3 Sh Ts Ur StnTotal -------------------------------------------------- Cc| 122 105 95 201 171 250 99 1043 Ho| 140 214 18 131 128 74 827 Kk| 105 41 129 168 85 773 Pa| 16 93 93 44 660 S3| 81 144 147 648 Sh| 251 209 1065 Ts| 176 1210 Ur| 834 Number of 2-station scans: 446 Number of 3-station scans: 171 Number of 4-station scans: 76 Number of 5-station scans: 84 Number of 6-station scans: 57 Number of 7-station scans: 16 Number of 8-station scans: 3 Total # of scans, observations: 853 3530 =========================================================== Recording mode Name Code CDP-SX SX Recording mode setup for: CHICHI10 HOBART26 SINTOTU3 SESHAN25 TSUKUB32 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 0.00 X-band spanned bw= 360.0 MHz rms spanned bw= 140.2 MHz S-band spanned bw= 85.0 MHz rms spanned bw= 33.1 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: KOKEE PARKES URUMQI 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 0.00 X-band spanned bw= 360.0 MHz rms spanned bw= 140.2 MHz S-band spanned bw= 85.0 MHz rms spanned bw= 33.1 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 =========================================================== Minor Options Option Norm Wt Aux_Parm BegScan Rel 1.00 EndScan Rel 1.00 NumObs Rel 1.00 =========================================================== Major Options SkyCov Yes Min_Between 30 Best% 50.0 Last_Hrs 2.00 Add_ps 30.00 Obs_Wts SNRwt =========================================================== Tape types ID Station Tape length Density Passes Cc CHICHI10 Mark5A Ho HOBART26 Mark5A Kk KOKEE Mark5A Pa PARKES Mark5A S3 SINTOTU3 Mark5A Sh SESHAN25 Mark5A Ts TSUKUB32 Mark5A Ur URUMQI Mark5A =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 0) S-band (margin 0) Cc Ho Kk Pa S3 Sh Ts Cc Ho Kk Pa S3 Sh Ts Ho 20 Ho 15 Kk 20 20 Kk 15 15 Pa 20 20 20 Pa 15 15 15 S3 0 12 12 12 S3 0 10 10 10 Sh 20 20 20 20 12 Sh 15 15 15 15 10 Ts 20 20 20 20 12 20 Ts 15 15 15 15 10 15 Ur 20 20 20 20 0 20 20 Ur 15 15 15 15 0 15 15