Session Notes for RD1207 Prepared by Jing Sun, IGG, Vienna University of Technology Note: 1) This schedule was prepared with VIE_SCHED. 2) This schedule has 15 scans with observations at about 6 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 RD1207 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 seventh session to support observations close to the Sun. The RD1207 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 81 sources from the good geodetic source list plus six extra sources with a closer angular distance to the Sun. There are six sources with an angular distance less than 15 deg to the Sun: 1130+009, 1145-071, 1149-084, 1219+044, 1236+077, and 1243-072. The limit for the angular distance to the Sun was set to 5 deg and a regular R1 scheduling was done. This resulted in 44 observational scans with a distance to the Sun ranging from 6.1 deg to 11.2 deg. These scans are observed by network of the following six stations: Hh, Kk, Ny, On, Wf, Wz. Scans with observations close to the Sun Source Start DURATIONS name yyddd-hhmmss Hh Kk Ny On Tc Wf Wz ------------------------------------------------------- 1149-084 12269-173452| 181 181 | 8.8 deg from sun 1236+077 12269-173829| 308 308 |11.2 deg from sun 1243-072 12269-200023| 55 55 |10.6 deg from sun 1149-084 12269-200151| 176 176 | 8.8 deg from sun 1236+077 12269-204404| 270 270 |11.2 deg from sun 1243-072 12269-210217| 57 57 |10.6 deg from sun 1130+009 12270-050825| 294 294|10.1 deg from sun 1236+077 12270-052253| 337 337 |11.1 deg from sun 1219+044 12270-053846| 282 282| 6.1 deg from sun 1149-084 12270-060200| 82 82| 8.9 deg from sun 1219+044 12270-060949| 236 236| 6.1 deg from sun 1219+044 12270-065656| 208 208| 6.1 deg from sun 1243-072 12270-070302| 68 68|10.2 deg from sun 1219+044 12270-074122| 196 196| 6.1 deg from sun 1130+009 12270-081358| 354 354 235|10.2 deg from sun 1219+044 12270-082851| 189 189| 6.1 deg from sun 1236+077 12270-083228| 310 310 279|11.1 deg from sun 1130+009 12270-083925| 350 350 233|10.3 deg from sun 1236+077 12270-085630| 309 309 276|11.1 deg from sun 1145-071 12270-090131| 359 359| 8.7 deg from sun 1149-084 12270-090808| 190 190 78| 8.9 deg from sun 1219+044 12270-091639| 185 185| 6.1 deg from sun 1219+044 12270-100137| 183 183| 6.1 deg from sun 1243-072 12270-101129| 122 122 112|10.1 deg from sun 1219+044 12270-105231| 182 182| 6.1 deg from sun 1149-084 12270-113013| 188 203 203 77| 9.0 deg from sun 1219+044 12270-113750| 182 182| 6.1 deg from sun 1130+009 12270-115004| 348 348 233|10.4 deg from sun 1149-084 12270-115719| 189 189 178 77| 9.0 deg from sun 1236+077 12270-120213| 306 306 269|11.0 deg from sun 1243-072 12270-120901| 121 121 110|10.0 deg from sun 1219+044 12270-122702| 183 183| 6.1 deg from sun 1219+044 12270-131549| 316 316 195| 6.1 deg from sun 1149-084 12270-133455| 201 201 85| 9.0 deg from sun 1219+044 12270-140237| 315 315 196| 6.1 deg from sun 1236+077 12270-141345| 338 340 340 278|11.0 deg from sun 1219+044 12270-144825| 319 319 199| 6.1 deg from sun 1130+009 12270-150012| 270 270|10.5 deg from sun 1243-072 12270-151001| 146 146 133| 9.9 deg from sun 1219+044 12270-153918| 330 330 215| 6.1 deg from sun 1243-072 12270-154521| 139 153 153 | 9.9 deg from sun 1219+044 12270-162631| 239 239| 6.1 deg from sun 1149-084 12270-164756| 232 232 | 9.0 deg from sun 1236+077 12270-171714| 341 350 350|11.0 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 ---------------------------------------------------------------------------------------------------------- 1130+009| x x x x x | 5 11 0.0 1145-071| x | 1 1 0.0 1149-084| x x xx x x x x | 8 22 0.0 1219+044| x x x x x x x x x x x x x x x | 15 23 0.0 1236+077| x xx x x xx x | 8 21 0.0 1243-072| x x x x x x x | 7 15 0.0 ---------------------------------------------------------------------------------------------------------- Total scans, obs: 44 93 Scans with observations of about 6 deg to the Sun (source 1219+044) Source Start ANGULAR DISTANCE TO SUN name yyddd-hhmmss Hh Kk Ny On Tc Wf Wz ------------------------------------------------------- 1219+044 12270-053846| 6.1 6.1| 1219+044 12270-060949| 6.1 6.1| 1219+044 12270-065656| 6.1 6.1| 1219+044 12270-074122| 6.1 6.1| 1219+044 12270-082851| 6.1 6.1| 1219+044 12270-091639| 6.1 6.1| 1219+044 12270-100137| 6.1 6.1| 1219+044 12270-105231| 6.1 6.1| 1219+044 12270-113750| 6.1 6.1| 1219+044 12270-122702| 6.1 6.1| 1219+044 12270-131549| 6.1 6.1 6.1| 1219+044 12270-140237| 6.1 6.1 6.1| 1219+044 12270-144825| 6.1 6.1 6.1| 1219+044 12270-153918| 6.1 6.1 6.1| 1219+044 12270-162631| 6.1 6.1| ------------------------------------------------------- Kokee and Wettzell will observe INT IN112-269 during the time from 1815 UT to 1945 UT. =========================================================== ----- Parameter listing -------------------------------------- Experiment: RD1207 Description R&D-07 2012 Scheduler: TUW Correlator: HAYS Start: 2012-269-17:30:00 End: 2012-270-17:30:00 Current yyyyddd: 2012269 (2012.74) ( 56195 MJD, TUE. 25SEP.) Greenwich sidereal time: 17:49:43 (17:30:00 UT) Sun's RA and DEC: 12h11m10s -2d47m25s =========================================================== First observations Observation listing from file ./rd1207.skd for experiment RD1207 Source Start DURATIONS name yyddd-hhmmss Hh Kk Ny On Tc Wf Wz 0716+714 12269-173000| 177 191 225 225 137| 1639-062 12269-173000| 231 231 | ...... End of listing. =========================================================== Last observations Observation listing from file ./rd1207.skd for experiment RD1207 Source Start DURATIONS name yyddd-hhmmss Hh Kk Ny On Tc Wf Wz ...... 0748+126 12270-151114| 256 267 267 | 0716+714 12270-151638| 177 189 221 221 135| 1357+769 12270-152110| 291 170 291 187 129| 1053+704 12270-152436| 230 230| 1803+784 12270-152652| 186 186 44 | 0059+581 12270-153040| 43 40 40 43| 1639-062 12270-153155| 55 55 | 0800+618 12270-153227| 348 348 262 275| 1622-253 12270-153443| 135 135 | 0716+714 12270-153848| 177 177 | 1219+044 12270-153918| 330 330 215| 1243-072 12270-154521| 139 153 153 | 1053+704 12270-154544| 230 230| 1803+784 12270-155143| 186 40 186 44 154| 1357+769 12270-155539| 286 170 286 187 126| 0716+714 12270-160116| 177 190 222 222 136| 0059+581 12270-160543| 43 40 40 43| 1639-062 12270-160641| 55 55 | 0800+618 12270-160730| 347 347 262 276| 1622-253 12270-160929| 137 137 | 1300+580 12270-161308| 139 139 87| 0714+457 12270-161352| 231 231 | 2229+695 12270-161858| 189 128 202 202 98| 0134+311 12270-162154| 212 212| 1803+784 12270-162311| 186 186 44 | 1219+044 12270-162631| 239 239| 0716+714 12270-162713| 177 191 191 | 0307+380 12270-163115| 328 328 | 1846+322 12270-163212| 167 200 200 104| 0529+483 12270-163729| 158 148 198 198 149| 0714+457 12270-164121| 257 300 334 334| 2214+350 12270-164200| 152 152 | 2209+236 12270-164752| 139 125 139 54| 1149-084 12270-164756| 232 232 | 2059+034 12270-165207| 290 172 290 126| 0920+390 12270-165243| 311 311 | 1040+244 12270-165846| 351 347 351 | 1226+373 12270-165847| 303 303| 1128+385 12270-170520| 112 112 | DA426 12270-170545| 286 229 286 171| 0716+714 12270-170811| 177 177 | 1806+456 12270-171103| 274 274 204| 2209+236 12270-171636| 138 125 138 | 1236+077 12270-171714| 341 350 350| 1639-062 12270-172352| 56 60 60 44| 0322+222 12270-172445| 91 91 | 0059+581 12270-172705| 57 57 43| 0657+172 12270-172707| 54 54 | End of listing. =========================================================== SKED Summary from file ./rd1207.skd for experiment RD1207 (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 ... done. Average number of obs. per baseline per source(normalized by up-time) = 3.4 Min = 1 Max = 16 (Baseline Kk-On on 1803+784 ) RMS = 4.6 Total time: 1440.0 minutes ( 24.0 hours) Key: Hh=HARTRAO Kk=KOKEE Ny=NYALES20 On=ONSALA60 Tc=TIGOCONC Wf=WESTFORD Wz=WETTZELL Hh Kk Ny On Tc Wf Wz Avg % obs. time: 40 50 58 58 28 57 49 49 % cal. time: 2 3 4 3 1 4 3 3 % slew time: 33 12 18 20 2 14 8 15 % idle time: 24 36 20 19 68 26 39 33 total # scans: 187 227 287 272 104 289 277 235 # scans/hour : 8 10 12 12 5 13 12 10 Avg scan (sec): 177 182 164 175 202 158 144 172 # OF OBSERVATIONS BY BASELINE | Hh Kk Ny On Tc Wf Wz StnTotal ------------------------------------------------ Hh| 0 61 119 43 47 94 618 Kk| 106 100 45 151 65 836 Ny| 125 7 151 208 1237 On| 19 156 137 1242 Tc| 37 3 221 Wf| 136 1267 Wz| 1217 Number of 2-station scans: 256 Number of 3-station scans: 160 Number of 4-station scans: 114 Number of 5-station scans: 39 Number of 6-station scans: 0 Number of 7-station scans: 0 Total # of scans, observations: 569 1810 =========================================================== Recording mode Name Code GEOSX SX Recording mode setup for: HARTRAO KOKEE NYALES20 ONSALA60 TIGOCONC 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 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 Wf Hh Kk Ny On Tc 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 Wf 20 20 20 20 18 Wf 15 15 15 15 12 Wz 20 20 20 20 18 20 Wz 15 15 15 15 12 15 ===========================================================