Date: Thu, 27 Jul 2000 13:29:14 -0700 (PDT) From: David C Jefferson Message-Id: <200007272029.NAA20339@bierman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-7402] Wk 1071 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 27 Jul 13:29:14 PDT 2000 Message Number 7402 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1071 (DAYS 198-204, DATES 2000 Jul 16 - Jul 22) ****************************************************************************** Submitted by the JPL IGS/FLINN Analysis Team: D C Jefferson, Y E Bar-Sever, M B Heflin, F H Webb, J F Zumberge all at the Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109. Files listed below are available in Unix compressed format and can be retrieved using anonymous ftp to sideshow.jpl.nasa.gov (137.78.60.30), directory pub/jpligsac/1071. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl10717.sum This text file. jpl10717.erp Earth rotation parameters for GPS week 1071. jpl10717.snx Ground station coordinates for GPS week 1071, SINEX format. jpl1071[0-6].sp3 GPS ephemerides for GPS week 1071, sp3 format. jpl1071[0-6].tro Ground station troposphere estimates for GPS week 1071. jpl1071[0-6].clk GPS and ground station clocks for GPS week 1071, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 6.0 cm A large clock discontinuity (reset) of about 541 microseconds was detected for PRN09 at approximately 17:45 on day 201. Due to potential problems, data from stations mentioned below were not considered for use in the global solution for the day indicated. (For geographical reasons, they may not have been used in any case.) WARNING: DRAO (not USNO) used as reference clock days 198 and 202-204. WARNING: ALGO (not USNO) used as reference clock days 200 and 201. WARNING: Data from AUCK, HOLC, LBCH, TRAB, WTZT excluded day 198. WARNING: Data from HOLC, INEG, JAMA, KELY, LBCH, RAMO, WTZT excluded day 199. WARNING: Data from DGAR, HOLC, JAMA, LBCH, THU1 excluded day 200. WARNING: Data from HOLC, LBCH, TEGU excluded day 201. WARNING: Data from DGAR, LBCH excluded day 202. WARNING: Data from NOUM excluded day 204. In the following table, UT1R-UTC are the integrated values based on estimated LODR values in the adjacent column. See IGS Report No. 1498 (jpl07827.sum) for details: JPL ERP TABLE GPS week 1071 (2000 Jul 16 - Jul 22) version 2 MJD XPole Ypole UT1R-UTC LODR Xsg Ysg UTsg LOsg Nr Nf Nt Xrt Yrt 10**-6" 10**-6" .1us .1us/d 10**-6" .1us .1us/d 10**-6"/d 51741.50 99674 265454 1805182 2595 29 33 101 101 42 0 27 -787 -922 51742.50 98845 264540 1802878 2014 24 27 91 91 42 0 27 -964 -759 51743.50 97725 263586 1801365 1012 26 28 94 94 42 0 27 -1178 -989 51744.50 96589 262485 1800859 0 27 31 99 99 42 0 27 -1498 -1359 51745.50 95508 261044 1801179 -641 28 31 101 101 42 0 27 -1232 -1279 51746.50 94290 259757 1802236 -1472 25 28 92 92 42 0 27 -1835 -1208 51747.50 92786 258727 1803879 -1815 26 29 82 82 42 0 27 -1597 -367 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1071: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1071 (2000 Jul 16 - Jul 22) 00 7 16 00 7 17 00 7 18 00 7 19 00 7 20 00 7 21 00 7 22 prn 3d rss (cm) 1 3 4 3 3 5 9 5 2 5 5 6 8 9 12 9 3 13 9 7 13 6 10 6 4 5 3 4 4 7 10 9 5 6 5 3 4 4 6 6 6 6 6 4 4 7 5 7 7 6 4 6 6 8 8 8 8 3 7 4 7 6 10 6 9 6 4 5 4 5 6 7 10 6 5 4 6 6 8 8 11 9 5 7 8 5 7 5 13 8 5 5 4 7 10 13 15 10 6 7 7 10 10 9 16 4 4 6 9 8 9 5 17 12 6 5 14 18 9 7 19 9 7 7 8 21 10 14 20 10 6 12 11 6 9 6 21 7 6 6 7 8 7 8 22 6 3 7 4 6 5 5 23 17 18 8 6 9 4 8 24 6 3 4 4 11 10 6 25 8 4 6 6 4 3 6 26 3 4 3 5 6 8 5 27 6 6 4 6 5 7 5 29 7 20 15 22 15 24 18 30 5 5 4 4 4 4 6 31 4 6 7 4 8 8 5 _______________________ END ORBIT REPEATABILITY TABLE The following table statistically summarizes this week's "engineering data", as described in IGS Report No. 1528: JPL ENGINEERING DATA SUMMARY TABLE GPS week 1071 (2000 Jul 16 - Jul 22) receiver/transmitter (dot means point positioned, * means fiducial site) | days analyzed | | rms clock noise (ns) | | | average clock solution (us) | | | | rms pseudorange (cm) | | | | | (dot means pcode not analyzed) | | | | | rms phase (mm) | | | | | | average arc (hr) | | | | | | | |___ |__ |_______ |_______ |___ |___ |__ ALGO* 7.2 .112 .267 32.9 4.31 3.19 AOML 3.0 28.7 -.278e-03 61.4 6.35 2.78 AREQ* 1.0 .285e+05 117. 25.0 4.00 3.37 ARTU 7.0 991. -.527e-01 38.1 5.87 2.48 ASC1 4.9 507. -.146e-01 82.9 5.81 2.94 AUCK* 3.9 17.2 -.379e-02 57.1 5.83 2.79 BAHR* 5.9 .402 785. 33.5 5.00 3.84 BJFS 1.0 5.09 838. 30.0 7.00 3.19 CHAT* 2.0 25.7 -.161e-02 85.0 5.00 2.97 CIC1 3.0 42.9 -.930e-02 54.8 4.00 2.46 COCO 7.0 12.1 -.204e-02 30.3 7.15 4.14 CRO1 1.0 .145 -.562e-01 56.0 5.00 2.73 DAV1* 6.9 16.5 -.317e-02 47.5 4.00 1.29 DGAR 3.9 146. .120e-01 38.8 6.75 2.89 DRAO* 4.4 . . 35.8 5.06 2.80 EISL 6.8 58.8 -.134e-01 74.0 4.87 2.79 ESTI .9 .290e+06 511. 81.0 8.00 1.58 FAIR* 6.9 .132 .611 27.2 5.00 2.03 FORT* 6.6 84.5 -.429 96.0 5.70 1.86 GALA 6.0 27.9 -.101 29.0 4.53 4.83 GUAM* 7.0 24.6 -.135 49.0 7.59 3.30 HARK* 7.0 16.0 276. 64.3 5.00 2.88 IISC 6.8 53.3 -.400e-01 82.0 5.00 2.22 INEG .9 .290e+06 -29.5 61.0 5.00 .822 IRKT* 5.8 1.78 .341 73.3 5.00 2.69 JAB1 6.9 23.3 -.117 56.3 5.45 3.21 JAMA .9 14.6 -.904e-01 77.0 7.00 3.33 KELY 4.2 328. -.577e-01 75.4 6.03 1.59 KERG* 7.0 .287e+06 509. 46.3 5.87 2.12 KOKB* 7.0 .880e-01 -2.40 52.4 6.00 3.22 KOUR* 5.8 22.2 -.905e-01 64.1 6.40 4.19 KSTU 1.0 9.51 -.278e-02 39.0 5.00 3.16 KUNM 4.7 60.8 -.340e-01 84.1 6.25 2.63 LHAS* 1.9 15.2 -.122e-02 34.0 5.00 3.45 MAC1* 5.6 14.7 -.926e-01 33.5 4.00 2.32 MAG0 .9 12.0 -.641e-01 46.0 5.00 2.62 MALI* 5.2 .448e+05 -256. . 7.71 1.74 MAS1* 6.8 2.66 .497 28.9 4.00 3.64 MCM4* 3.8 36.5 36.0 52.1 5.00 1.07 MDO1* 2.9 32.1 -1.73 54.8 4.34 2.59 NKLG 7.0 .288e+06 512. 72.9 7.00 1.85 NOTO 1.0 .125 83.8 64.0 7.00 2.94 NOUM 2.0 .290e+06 496. 83.0 6.52 1.75 NYA1 6.0 118. -.293 30.5 4.53 1.86 NYAL* 1.0 .100 .218e-01 65.0 4.00 2.37 ONSA* 7.0 8.34 -.552e-01 44.0 4.16 2.50 PETP 5.0 15.3 -.929e-01 44.1 5.62 2.89 PIMO 1.0 28.0 -.109e-01 82.0 5.00 1.91 POL2 2.0 23.9 -.598e-02 67.6 4.00 2.69 RIOG 7.0 16.7 -.798e-01 33.5 4.00 2.50 SANT* 6.8 30.8 .108 28.4 5.03 2.34 SELE 1.0 28.8 .143e-02 68.0 4.00 3.09 STJO 4.0 2.56 .715 29.8 5.31 3.54 THTI 7.0 .288e+06 500. 76.7 5.60 2.19 TIDB* 7.0 .212 522. 33.0 5.76 3.61 TIXI 4.9 10.6 -.930e-01 44.8 5.00 2.05 TOUL 1.0 .421 -.966 72.0 5.00 2.93 TRAB 4.0 15.7 .296e-01 45.3 5.00 3.29 TSKB* 5.6 122. -.473 73.9 4.71 2.75 USNO 1.1 . . 50.0 6.00 3.71 USUD 2.0 .255 -1.47 37.5 5.00 2.16 WTZR* 6.3 32.9 .984 53.5 4.70 2.94 YAKZ 1.0 11.0 -.872e-01 55.0 6.00 2.53 YAR1* 6.8 73.8 .472e-01 57.7 4.54 2.27 YAR2 2.0 1.17 .927 33.5 4.00 3.62 YELL* 6.9 .154 .210 42.2 4.63 1.73 PRN01 6.8 3.60 137. 50.2 5.31 2.46 PRN02 7.0 2.81 -244. 54.8 5.15 2.63 PRN03 7.0 2.49 23.1 53.0 5.00 2.60 PRN04 7.0 1.20 234. 52.2 5.59 2.49 PRN05 7.0 3.38 257. 52.8 5.00 2.60 PRN06 7.0 8.84 1.14 53.8 5.16 2.56 PRN07 7.0 1.67 175. 56.6 5.30 2.56 PRN08 7.0 2.80 292. 52.4 5.15 2.54 PRN09 6.9 .507e+04 -31.9 52.0 5.00 2.41 PRN10 7.0 2.31 53.8 54.8 5.15 2.43 PRN11 7.0 .346 483. 56.6 5.74 2.41 PRN13 7.0 .709 -809. 53.1 5.73 2.39 PRN15 6.9 3.85 838. 54.0 5.31 2.43 PRN16 7.0 3.22 -10.1 52.2 5.30 2.40 PRN17 7.0 4.25 -265. 52.2 5.00 2.25 PRN19 7.0 3.66 238. 51.1 5.98 2.49 PRN20 6.7 .484 -83.1 53.3 5.32 2.59 PRN21 7.0 2.78 12.9 51.1 5.00 2.62 PRN22 7.0 .888 115. 53.2 5.00 2.48 PRN23 7.0 5.38 13.0 53.6 5.45 2.65 PRN24 7.0 .870 764. 53.3 5.73 2.74 PRN25 7.0 2.11 6.93 51.7 5.31 2.61 PRN26 6.7 .861 512. 50.2 5.59 2.14 PRN27 7.0 4.29 25.7 51.8 5.00 2.61 PRN29 6.7 .938 691. 52.9 6.32 2.46 PRN30 7.0 1.17 -29.7 50.8 5.00 2.65 PRN31 7.0 3.22 4.83 52.2 5.30 2.29 _______________________ END ENGINEERING DATA SUMMARY TABLE As described in IGS Mail Message 37, the following table compares the JPL precise ephemerides with those from the broadcast ephemeris: JPL COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES 00 7 16 00 7 17 00 7 18 00 7 19 00 7 20 00 7 21 00 7 22 prn 3d rss (cm) 1 749 631 677 620 699 908 760 2 310 374 243 216 219 216 259 3 338 370 418 465 436 309 445 4 507 865 302 513 302 413 754 5 598 471 424 423 426 616 472 6 621 641 641 738 745 774 644 7 458 409 680 963 528 301 256 8 838 369 284 375 588 483 278 9 549 775 192 221 560 253 229 10 410 348 354 328 361 271 577 11 291 250 306 444 394 217 446 13 332 231 282 521 212 293 264 15 309 1213 2317 970 504 403 1755 16 352 498 387 417 1415 846 281 17 199 287 308 273 131 315 310 19 471 374 227 259 239 388 350 20 313 293 274 403 276 369 449 21 224 329 352 190 243 250 261 22 229 247 307 280 256 228 201 23 387 546 550 384 630 474 432 24 492 543 670 434 280 656 814 25 341 377 401 318 340 387 333 26 634 241 531 480 507 577 451 27 339 434 245 385 340 385 642 29 416 523 512 463 382 324 372 30 446 271 402 358 319 294 182 31 380 366 202 196 162 190 217 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo aoml areq artu asc1 auck bahr bjfs chat cic1 coco cro1 dav1 dgar drao eisl esti fair fort gala guam hark iisc ineg irkt jab1 jama kely kerg kokb kour kstu kunm lhas mac1 mag0 mali mas1 mcm4 mdo1 nklg noto noum nya1 nyal onsa petp pimo pol2 riog sant sele stjo thti tidb tixi toul trab tskb usno usud wtzr yakz yar1 yar2 yell