[IGSREPORT-4588] Wk 0942 JPL Analysis Report
D
D
Fri Feb 6 21:14:53 PST 1998
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IGS Electronic Report Fri Feb 6 21:14:53 PST 1998 Message Number 4588
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Author: D C Jefferson
Subject: Wk 0942 JPL Analysis Report
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JPL ANALYSIS REPORT GPS-WEEK 0942 (DAYS 25-31, DATES 1998 Jan 25 - Jan 31)
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Submitted by the JPL IGS/FLINN Analysis Team:
D C Jefferson, Y E Bar-Sever, M B Heflin, M M Watkins, 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/0942. These files (except for *.tro) have also
been sent to the CDDIS.
______________________________________________________________________________
filename contents
______________________________________________________________________________
jpl09427.sum This text file.
jpl09427.erp Earth rotation parameters for GPS week 942.
jpl09427.snx Ground station coordinates for GPS week 942, SINEX format.
jpl0942[0-6].sp3 GPS ephemerides for GPS week 942, sp3 format.
jpl0942[0-6].tro Ground station troposphere estimates for GPS week 942.
______________________________________________________________________________
Median Orbit Repeatability (see table below): 11.0 cm
We continue to exclude all data from PRN13, and deweight all data from PRN08
this week. Also, data from PRN16 did not meet our initial orbit convergence
criteria on day 025, and have been excluded accordingly.
Data from PRN10 and PRN18 were mismodeled on days 031 and 030 respectively.
We have excluded these satellites from our processing on the corresponding
days.
Beginning this week we add three new candidate stations. As with other
sites, these stations are given the opportunity to participate in the orbit
and clock solution as the global site distribution varies. The following
nominal coordinates were assumed:
X (m) Y (m) Z (m)
AOML (Miami FL, USA) 982296.8232 -5664607.2986 2752614.5003
HOLB (Holberg B.C., Canada) -2503040.4762 -3188233.4245 4908701.6835
WILL (Williams Lake B.C., Canada) -2084258.0661 -3313873.0862 5019853.2306
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: USNO (not NRC1) used as reference clock days 030 and 031.
WARNING: Data from PRN16 excluded day 025.
WARNING: Data from PRN10 excluded day 031.
WARNING: Data from PRN18 excluded day 030.
WARNING: Data from RCM6 excluded day 028.
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 942 (1998 Jan 25 - Jan 31)
MJD XPole Ypole UT1R-UTC LODR Xsig Ysig UTsig LODsig Nr Nf Nt Xrt Yrt
10**-5" usec us/d 10**-5" us us/d 10**-5"/d
50838.50 3060 16633 168994 1932 5 6 10 10 37 7 25 -331 -17
50839.50 2711 16657 167070 1916 4 4 10 10 37 9 26 -248 -46
50840.50 2464 16692 165137 1949 4 4 9 9 37 9 26 -265 27
50841.50 2195 16776 163121 2084 4 4 9 9 37 9 26 -291 10
50842.50 1895 16803 161011 2136 3 4 10 10 37 9 26 -295 -36
50843.50 1592 16868 158884 2117 4 4 10 10 37 10 25 -327 -5
50844.50 1285 16931 156785 2081 4 4 10 10 37 10 25 -320 19
END ERP TABLE
The following table indicates the "3-dimensional orbit repeatability", as
defined in IGS Mail Message 37, for GPS week 942:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]
JPL ORBIT REPEATABILITY TABLE GPS week 942 (1998 Jan 25 - Jan 31)
98 1 25 98 1 26 98 1 27 98 1 28 98 1 29 98 1 30 98 1 31
prn 3d rss (cm)
1 12 8 9 7 10 6 10
2 9 7 10 8 7 7 6
3 14 8 9 11 14 15 6
4 14 10 12 15 14 8 8
5 38 38 6 5 7 8 4
6 22 10 45 16 15 16 20
7 18 38 20 11 15 11 7
8 29 29 32 44 28 37 33
9 14 17 6 9 7 8 7
10 22 11 28 23 20 8
14 10 12 10 23 15 8 16
15 11 9 6 10 10 5 8
16 8 15 17 11 17 13
17 21 11 10 10 6 30 15
18 16 17 16 13 8 55
19 15 8 8 8 10 16 14
21 9 7 9 9 18 10 9
22 27 14 19 17 17 17 12
23 13 13 11 20 11 18 11
24 17 8 20 16 14 11 9
25 10 10 5 7 10 16 7
26 30 26 15 7 7 8 18
27 12 7 12 10 12 12 7
29 10 8 8 9 11 6 11
30 11 7 11 7 9 6 11
31 12 10 9 19 12 23 12
_______________________
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 942 (1998 Jan 25 - Jan 31)
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)
| | | | | | |
|___ |__ |_______ |_______ |___ |___ |__
ALBH 3.0 9.30 7.19 39.4 5.06 2.71
ALGO* 7.0 .433 7.28 46.0 4.00 3.07
ANKR 3.9 130. .600e-01 61.0 4.28 2.86
AREQ 3.9 102. -.147e-01 53.3 5.04 2.47
ASC1 6.6 .265e+04 -.365e-01 80.9 5.04 1.45
BAHR 6.7 .498 234. 42.8 4.97 3.18
BRAZ 2.6 118. .555e-01 65.6 6.66 2.01
BRUS 3.0 .337 6.00 61.7 4.00 2.75
CAS1 5.6 .580e+07 -.158e+05 39.7 5.55 1.24
CASA 2.0 21.0 66.6 35.0 4.00 2.45
CHAT 2.8 110. -.160 78.2 5.00 2.63
CHUR 1.0 1.94 -1.71 42.0 5.00 1.77
CRO1 6.4 140. -.414e-01 44.0 5.62 1.94
DGAR 6.6 181. -.304e-01 73.6 6.04 1.55
EISL 6.8 133. -.175e-01 54.5 5.75 2.80
FAIR* 4.3 .166 -.412 36.2 4.24 2.20
FLIN 4.0 83.4 -.899e-01 38.0 3.81 2.33
FORT 6.0 .160 -.159 69.2 6.86 1.43
GOL2* 2.9 .681 -.479 61.4 4.37 1.90
GRAZ 1.0 1.28 .908e-02 61.0 4.00 2.48
GUAM 4.9 112. -.613e-01 61.0 6.01 1.91
HARK 6.9 7.04 -4.42 55.5 5.44 2.70
HOB2 1.0 80.5 .478e-01 47.0 5.00 2.33
IISC 6.6 175. -.194e-01 68.7 5.00 2.45
IRKT 5.8 47.7 .489e-01 47.3 5.00 2.42
KERG 5.6 135. .122e+04 . 5.50 2.49
KIRU 3.0 3.07 4.50 52.7 5.70 2.29
KOKB* 6.5 .345e+05 -132. 60.1 4.76 2.39
KOSG* 7.0 1.68 -10.6 41.5 3.60 2.45
KOUR 4.0 2.76 .808 . 6.26 1.36
KWJ1 5.8 174. -.523e-01 59.0 6.18 1.64
LPGS 1.9 650. .686e-01 56.5 6.00 3.04
MAC1 2.5 .306e+04 .507 48.0 4.36 2.06
MAD2* 6.3 251. -.541e-01 76.8 5.99 2.13
MALI 3.4 .226e+05 -44.7 . 6.74 2.03
MAS1 2.9 2.43 .481 44.3 4.69 2.54
MDO1 .8 18.4 -23.5 32.0 4.00 2.60
MDVO 3.9 .269 212. 67.3 5.53 1.83
MKEA 3.9 .627e-01 .186 51.9 4.54 2.64
MOIN .8 119. -.275 70.0 6.00 1.82
NRC1 5.1 . . 68.7 4.00 3.05
OHIG 5.3 .226e+05 1.10 59.0 4.34 1.22
PERT 7.0 20.4 -15.2 51.1 4.46 2.61
PIE1 1.0 .631e-01 -.130e-01 41.0 4.00 2.45
POL2 1.8 84.4 .588e-01 51.0 4.00 2.71
QUIN .7 .279e+05 -5.94 62.0 5.00 2.08
RCM6 2.0 91.2 .545e-01 87.6 4.52 2.67
REYK 7.0 75.1 -.282e-01 55.9 6.17 1.98
SANT* 5.6 .202e+04 -.115 44.9 4.18 1.20
SELE 2.8 99.7 -.151 34.4 3.69 2.83
STJO 4.0 54.6 .175 43.6 4.27 2.55
TAEJ 1.0 3.05 950. 43.0 5.00 2.37
TID2* 5.6 10.4 -.715e-01 38.6 5.51 2.58
TSKB 1.0 1.38 -1.28 40.0 4.00 3.04
USNO 2.0 . . 55.0 5.00 2.90
USUD 4.5 .804 .907 42.5 4.67 3.08
WHIT 1.0 102. .749e-01 50.0 4.00 2.54
WTZR* 7.0 .894e-01 1.32 63.2 4.16 2.61
WUHN 4.8 7.16 -302. 45.2 4.21 2.40
XIAN 1.0 87.7 -.230 55.0 4.00 2.84
YELL* 7.0 31.6 -9.34 38.6 4.58 1.76
PRN01 7.0 80.9 38.1 56.7 5.15 2.30
PRN02 7.0 81.0 -449. 59.7 5.00 2.30
PRN03 6.6 81.5 94.0 57.7 5.15 2.11
PRN04 6.9 79.5 8.72 53.5 5.00 2.12
PRN05 6.9 78.1 133. 51.5 4.89 2.63
PRN06 6.7 79.7 -.241 51.7 5.00 2.02
PRN07 6.7 81.0 767. 57.1 5.00 2.36
PRN09 7.0 81.5 -27.9 52.4 5.00 2.34
PRN10 5.9 80.6 17.9 53.2 5.00 1.95
PRN14 7.0 79.2 26.1 51.9 4.88 2.36
PRN15 7.0 2.64 517. 55.9 4.88 2.48
PRN16 6.0 81.3 46.9 57.2 5.00 2.34
PRN17 7.0 82.9 -172. 56.6 5.00 2.14
PRN18 6.0 83.2 10.5 55.7 5.36 2.26
PRN19 7.0 80.4 367. 60.0 5.00 2.02
PRN21 7.0 81.3 19.8 56.1 5.00 2.20
PRN22 7.0 83.6 43.5 55.5 5.00 2.27
PRN23 7.0 79.6 9.11 54.6 5.00 2.14
PRN24 6.9 81.9 754. 54.1 5.00 2.33
PRN25 7.0 82.3 -6.83 51.9 5.00 2.00
PRN26 6.8 82.3 -81.4 55.8 5.00 2.07
PRN27 7.0 83.5 16.0 56.7 5.00 2.21
PRN29 7.0 78.4 89.4 54.9 5.00 2.50
PRN30 7.0 83.5 -22.6 50.6 5.00 2.36
PRN31 6.6 82.7 .800 56.7 5.00 2.12
_______________________
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
98 1 25 98 1 26 98 1 27 98 1 28 98 1 29 98 1 30 98 1 31
prn 3d rss (cm)
1 525 274 562 632 509 393 378
2 482 264 169 209 263 459 240
3 380 557 295 310 331 341 305
4 331 292 275 290 323 349 340
5 252 244 266 195 230 325 495
6 617 594 699 668 554 469 578
7 756 459 476 292 335 491 514
8 1752 642 660 1241 322 532 514
9 205 169 147 142 216 489 393
10 309 356 369 319 327 842
14 709 1689 803 2153 571 351 689
15 279 403 412 252 203 220 298
16 1500 1463 977 1219 1230 976
17 580 439 211 414 442 215 464
18 383 938 643 586 618 550
19 587 370 746 223 462 515 142
21 296 315 199 201 320 465 336
22 363 519 449 488 312 354 507
23 894 1105 493 498 657 734 464
24 251 376 384 408 426 394 510
25 256 290 275 309 303 782 240
26 588 417 226 288 401 181 355
27 367 444 340 259 469 695 387
29 188 174 230 250 295 362 374
30 334 232 173 232 254 209 204
31 333 206 271 352 231 415 261
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES
global: albh algo ankr areq asc1 bahr braz brus cas1 casa chat chur cro1 dgar eisl fair flin fort gol2 graz guam hark hob2 iisc irkt kerg kiru kokb kosg kour kwj1 lpgs mac1 mad2 mali mas1 mdo1 mdvo mkea moin nrc1 ohig pert pie1 pol2 quin rcm6 reyk sant sele stjo taej tid2 tskb usno usud whit wtzr wuhn xian yell
[Mailed From: djeff at cobra.jpl.nasa.gov]
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