Session Notes for RD1209 Prepared by Jing Sun, IGG, Vienna University of Technology Note: 1) This schedule was prepared with VIE_SCHED. 2) This schedule has 26 scans with observations at about 4 deg from the Sun(see table in notes file below). =========================================================== PURPOSE AND GENERAL NOTES =========================================================== With the start of the IVS observing program in 2002 (based on the WG2 Report), sources were only scheduled when they had an angular distance to the Sun of more than 15 deg. Based on data from RDV and VCS experiments, Sebastien Lambert (Paris Observatory) expects that the inclusion of sources closer to the Sun can improve the determination of the post-Newtonian parameter gamma by 15% (even with a modest number of observations below 15 deg per session; for instance, 1-2 observations per session). The purpose of RD1209 is to provide observational data to support this claim and, if successful, to eventually change the general IVS scheduling to include one or two observations per session close to the Sun. This is the 9th session to support observations close to the Sun. The RD1209 schedule uses the R1 frequency setup. It was generated using SNRs of 20 at X-band and 15 at S-band for all stations except TIGO which was scheduled with values of 18 and 12. All stations have been fully scheduled. The schedule uses a selection of 94 sources from the good geodetic source list plus 5 extra sources with a closer angular distance to the Sun. There are 5 sources with an angular distance less than 15 deg to the Sun: 1519-273, 1602-115, 1622-253, 1657-261, and 1706-174. The limit for the angular distance to the Sun was set to 4 deg and a regular R1 scheduling was done. This resulted in 66 observational scans with a distance to the Sun ranging from 4.2 deg to 14.4 deg. These scans are observed by network of the following 7 stations: Hh, Kk, On, Tc, Ts, Wf, Wz. Scans with observations close to the Sun Source Start DURATIONS name yyddd-hhmmss Hh Kk Ny On Tc Ts Wf Wz ------------------------------------------------------- 1519-273 12332-173423| 211 211 |13.6 deg from sun 1602-115 12332-173830| 396 396 |10.0 deg from sun 1622-253 12332-174539| 305 305 | 4.7 deg from sun 1622-253 12332-183136| 310 310 | 4.7 deg from sun 1622-253 12332-192142| 322 322 | 4.7 deg from sun 1657-261 12332-194813| 136 136 |11.3 deg from sun 1706-174 12332-195100| 409 409 |13.1 deg from sun 1622-253 12332-200748| 48 48 | 4.7 deg from sun 1602-115 12332-204317| 426 426 |10.0 deg from sun 1706-174 12332-205312| 426 426 |13.1 deg from sun 1519-273 12332-215222| 40 40 |13.8 deg from sun 1622-253 12332-223908| 40 40 | 4.6 deg from sun 1519-273 12332-224208| 40 40 |13.8 deg from sun 1657-261 12332-224442| 780 780 |11.2 deg from sun 1622-253 12332-232334| 40 40 | 4.6 deg from sun 1602-115 12332-234821| 80 80 |10.1 deg from sun 1706-174 12332-235020| 78 78 |13.0 deg from sun 1622-253 12333-000645| 40 40 | 4.6 deg from sun 1602-115 12333-003156| 80 80 |10.1 deg from sun 1706-174 12333-003353| 78 78 |12.9 deg from sun 1622-253 12333-005421| 40 40 | 4.6 deg from sun 1519-273 12333-014127| 40 40 |13.9 deg from sun 1622-253 12333-014244| 40 40 | 4.5 deg from sun 1657-261 12333-014358| 40 40 |11.1 deg from sun 1622-253 12333-022448| 40 40 | 4.5 deg from sun 1657-261 12333-022602| 40 40 |11.0 deg from sun 1622-253 12333-031159| 40 40 | 4.5 deg from sun 1706-174 12333-033626| 87 87 |12.8 deg from sun 1519-273 12333-041421| 465 465 |14.0 deg from sun 1602-115 12333-042350| 135 135 |10.2 deg from sun 1622-253 12333-044141| 302 302 | 4.5 deg from sun 1622-253 12333-053252| 302 302 | 4.5 deg from sun 1657-261 12333-053914| 53 53 |10.9 deg from sun 1602-115 12333-061315| 135 135 |10.2 deg from sun 1657-261 12333-061711| 53 53 |10.9 deg from sun 1622-253 12333-061929| 302 302 | 4.4 deg from sun 1519-273 12333-072314| 197 197|14.1 deg from sun 1706-174 12333-072836| 67 67 |12.7 deg from sun 1622-253 12333-080722| 47 47| 4.4 deg from sun 1519-273 12333-080952| 161 161|14.1 deg from sun 1706-174 12333-081438| 279 279|12.6 deg from sun 1622-253 12333-085633| 40 40| 4.4 deg from sun 1602-115 12333-091821| 444 444|10.3 deg from sun 1657-261 12333-092726| 212 212|10.7 deg from sun 1622-253 12333-094204| 40 40| 4.4 deg from sun 1602-115 12333-100134| 440 440|10.3 deg from sun 1657-261 12333-101035| 196 196|10.7 deg from sun 1622-253 12333-103208| 133 133 40| 4.3 deg from sun 1519-273 12333-111254| 151 151|14.2 deg from sun 1706-174 12333-111731| 525 525 497|12.5 deg from sun 1622-253 12333-112751| 132 132 40| 4.3 deg from sun 1622-253 12333-120813| 134 134 40| 4.3 deg from sun 1706-174 12333-121153| 524 524 495|12.5 deg from sun 1622-253 12333-125949| 40 40| 4.3 deg from sun 1602-115 12333-131023| 551 551 527|10.3 deg from sun 1657-261 12333-132115| 199 199|10.6 deg from sun 1622-253 12333-134800| 696 696 42| 4.3 deg from sun 1657-261 12333-142032| 234 296 296|10.5 deg from sun 1622-253 12333-143608| 667 667 660 | 4.3 deg from sun 1706-174 12333-151526| 284 306 306|12.4 deg from sun 1622-253 12333-152746| 667 644 | 4.2 deg from sun 1706-174 12333-160855| 278 278 |12.3 deg from sun 1622-253 12333-161405| 303 303 | 4.2 deg from sun 1519-273 12333-164732| 260 260 |14.4 deg from sun 1602-115 12333-165941| 497 497 |10.4 deg from sun 1622-253 12333-170901| 303 303 | 4.2 deg from sun ------------------------------------------------------- Sources with observations close to the Sun (indicated by an 'x') 4 chars/hour SOURCE | 0 3 6 9 12 15 18 21 | #SCANS #OBS #Obs/bl ---------------------------------------------------------------------------------------------------------- 1519-273| x x x x x x x x x | 9 9 0.0 1602-115| x x x x x x x x x x| 10 12 0.0 1622-253|x x x x x x x x x x x x x x x x x x x x x x x x x x | 26 36 0.0 1657-261| x x x x x x x x x x | 10 12 0.0 1706-174| x x x x x x x x x x x| 11 17 0.0 ---------------------------------------------------------------------------------------------------------- Total scans, obs: 66 86 Scans with observations of about 4 deg to the Sun (source 1622-253) Source Start ANGULAR DISTANCE TO SUN name yyddd-hhmmss Hh Kk Ny On Tc Ts Wf Wz ------------------------------------------------------- 1622-253 12332-174539| 4.7 4.7 | 1622-253 12332-183136| 4.7 4.7 | 1622-253 12332-192142| 4.7 4.7 | 1622-253 12332-200748| 4.7 4.7 | 1622-253 12332-223908| 4.6 4.6 | 1622-253 12332-232334| 4.6 4.6 | 1622-253 12333-000645| 4.6 4.6 | 1622-253 12333-005421| 4.6 4.6 | 1622-253 12333-014244| 4.5 4.5 | 1622-253 12333-022448| 4.5 4.5 | 1622-253 12333-031159| 4.5 4.5 | 1622-253 12333-044141| 4.5 4.5 | 1622-253 12333-053252| 4.5 4.5 | 1622-253 12333-061929| 4.4 4.4 | 1622-253 12333-080722| 4.4 4.4| 1622-253 12333-085633| 4.4 4.4| 1622-253 12333-094204| 4.4 4.4| 1622-253 12333-103208| 4.3 4.3 4.3| 1622-253 12333-112751| 4.3 4.3 4.3| 1622-253 12333-120813| 4.3 4.3 4.3| 1622-253 12333-125949| 4.3 4.3| 1622-253 12333-134800| 4.3 4.3 4.3| 1622-253 12333-143608| 4.3 4.3 4.3 | 1622-253 12333-152746| 4.2 4.2 | 1622-253 12333-161405| 4.2 4.2 | 1622-253 12333-170901| 4.2 4.2 | ------------------------------------------------------- Kokee and Wettzell will observe INT IN112-332 during the time from 1815 UT to 1945 UT. =========================================================== ----- Parameter listing -------------------------------------- Experiment: RD1209 Description R&D-09 2012 Scheduler: TUW Correlator: HAYS Start: 2012-332-17:30:00 End: 2012-333-17:30:00 Current yyyyddd: 2012332 (2012.91) ( 56258 MJD, TUE. 27Nov.) Greenwich sidereal time: 21:58:7 (17:30:00 UT) Sun's RA and DEC: 16h15m57s -22d42m52s =========================================================== First observations Observation listing from file ./rd1209.skd for experiment RD1209 Source Start DURATIONS name yyddd-hhmmss Hh Kk Ny On Tc Ts Wf Wz 0016+731 12332-173000| 142 126 183 57 183 87| 3C446 12332-173000| 241 241 | ...... End of listing. =========================================================== Last observations Observation listing from file ./rd1209.skd for experiment RD1209 Source Start DURATIONS name yyddd-hhmmss Hh Kk Ny On Tc Ts Wf Wz ...... 1149-084 12333-171633| 285 285 | 2215+150 12333-171821| 190 202 221 221 142| 1255-177 12333-172332| 171 171 | 0215+015 12333-172458| 40 40 40 40 40| End of listing. =========================================================== SKED Summary from file ./rd1209.skd for experiment RD1209 (all scans with at least one subnet station) Calculating rise/set times: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 ... done. Average number of obs. per baseline per source(normalized by up-time) = 3.6 Min = 1 Max = 22 (Baseline Ny-On on 0059+581 ) RMS = 5.0 Total time: 1440.0 minutes ( 24.0 hours) Key: Hh=HARTRAO Kk=KOKEE Ny=NYALES20 On=ONSALA60 Tc=TIGOCONC Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Hh Kk Ny On Tc Ts Wf Wz Avg % obs. time: 41 51 42 55 34 23 56 34 42 % cal. time: 3 4 4 4 2 5 4 4 4 % slew time: 41 25 25 28 3 21 19 14 22 % idle time: 15 20 28 13 61 51 21 47 32 total # scans: 223 318 358 343 120 362 334 326 298 # scans/hour : 10 14 15 15 5 16 14 14 13 Avg scan (sec): 148 119 94 130 221 50 136 79 122 # OF OBSERVATIONS BY BASELINE | Hh Kk Ny On Tc Ts Wf Wz StnTotal ----------------------------------------------------- Hh| 0 66 103 51 62 51 121 857 Kk| 158 103 27 232 150 81 1583 Ny| 278 4 206 210 239 2632 On| 6 148 186 274 2490 Tc| 12 52 12 227 Ts| 100 120 1857 Wf| 169 1994 Wz| 2296 Number of 2-station scans: 318 Number of 3-station scans: 134 Number of 4-station scans: 136 Number of 5-station scans: 128 Number of 6-station scans: 27 Number of 7-station scans: 0 Number of 8-station scans: 0 Total # of scans, observations: 743 3221 =========================================================== Recording mode Name Code GEOSX SX Recording mode setup for: HARTRAO KOKEE NYALES20 ONSALA60 TIGOCONC 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 0.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 140.0 MHz rms spanned bw= 50.9 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 Passes Hh HARTRAO MARK5B Kk KOKEE MARK5A Ny NYALES20 MARK5A On ONSALA60 MARK5A Tc TIGOCONC MARK5B Ts TSUKUB32 K5 Wf WESTFORD MARK5A Wz WETTZELL MARK5A =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 0) S-band (margin 0) Hh Kk Ny On Tc Ts Wf Hh Kk Ny On Tc Ts Wf Kk 20 Kk 15 Ny 20 20 Ny 15 15 On 20 20 20 On 15 15 15 Tc 18 18 18 18 Tc 12 12 12 12 Ts 20 20 20 20 18 Ts 15 15 15 15 12 Wf 20 20 20 20 18 20 Wf 15 15 15 15 12 15 Wz 20 20 20 20 18 20 20 Wz 15 15 15 15 12 15 15 ===========================================================