[IGSREPORT-4618] Wk 0943 JPL Analysis Report
D
D
Wed Feb 18 22:56:01 PST 1998
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IGS Electronic Report Wed Feb 18 22:56:01 PST 1998 Message Number 4618
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Author: D C Jefferson
Subject: Wk 0943 JPL Analysis Report
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JPL ANALYSIS REPORT GPS-WEEK 0943 (DAYS 32-38, DATES 1998 Feb 01 - Feb 07)
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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/0943. These files (except for *.tro) have also
been sent to the CDDIS.
______________________________________________________________________________
filename contents
______________________________________________________________________________
jpl09437.sum This text file.
jpl09437.erp Earth rotation parameters for GPS week 943.
jpl09437.snx Ground station coordinates for GPS week 943, SINEX format.
jpl0943[0-6].sp3 GPS ephemerides for GPS week 943, sp3 format.
jpl0943[0-6].tro Ground station troposphere estimates for GPS week 943.
______________________________________________________________________________
Median Orbit Repeatability (see table below): 11.0 cm
(excluding deweighted satellites)
We continue to exclude all data from PRN13, and deweight all data from PRN08
this week. Also, PRN40 and PRN24 were mismodeled on days 032 and 036
respectively. We have chosen to deweight data from these satellites on
the corresponding days. [Note that the large overlap for PRN29 on day 038
is reflective of mismodeling on the following day 039 (week 944, day 0)].
Beginning this week we add five 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)
HOFN (Hoefn, Iceland) 2679690.0637 -727951.3362 5722789.2816
NANO (Nanoose Bay, B.C., Canada) -2335726.7490 -3451608.2840 4812009.9840
NOUM (Noumea, New Caledonia) -5739971.4540 1387563.7220 -2402123.7010
UCLU (Ucluelet, B.C., Canada) -2440669.0610 -3416437.0100 4785136.8470
WSLR (Whistler, B.C., Canada) -2227013.6200 -3439649.0600 4872522.2500
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 day 032.
WARNING: Data from PRN13 excluded the entire GPS week 943.
WARNING: Data from PRN08 deweighted the entire GPS week 943.
WARNING: Data from PRN40 deweighted day 032.
WARNING: Data from PRN24 deweighted day 036.
WARNING: Data from POTS excluded day 032.
WARNING: Data from BARB, POTS excluded day 033.
WARNING: Data from POTS excluded day 034.
WARNING: Data from HOFN excluded day 035.
WARNING: Data from WES2 excluded day 036.
WARNING: Data from WUHN excluded day 037.
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 943 (1998 Feb 01 - Feb 07)
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
50845.50 957 16988 154710 2070 3 4 10 10 37 10 26 -283 19
50846.50 710 17022 152592 2165 5 5 9 9 37 8 26 -301 54
50847.50 313 17157 150378 2264 3 3 9 9 37 10 26 -315 87
50848.50 -19 17212 148088 2315 3 3 10 10 37 10 26 -329 47
50849.50 -346 17279 145765 2332 3 4 10 10 37 10 26 -296 25
50850.50 -624 17361 143461 2275 3 4 10 10 37 10 26 -276 72
50851.50 -871 17432 141145 2357 4 4 10 10 37 7 26 -280 37
END ERP TABLE
The following table indicates the "3-dimensional orbit repeatability", as
defined in IGS Mail Message 37, for GPS week 943:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]
JPL ORBIT REPEATABILITY TABLE GPS week 943 (1998 Feb 01 - Feb 07)
98 2 1 98 2 2 98 2 3 98 2 4 98 2 5 98 2 6 98 2 7
prn 3d rss (cm)
1 6 12 10 9 7 8 10
2 11 12 10 5 11 8 8
3 17 17 10 6 11 12 15
4 12 8 10 7 15 8 9
5 14 8 13 7 7 8 8
6 16 14 13 16 20 12 11
7 18 10 10 5 13 9 17
8 36 22 37 38 25 39 18
9 8 8 16 10 6 7 17
10 107 72 10 12 28 8 12
14 14 12 19 9 20 12 7
15 11 16 13 8 8 10 8
16 10 27 20 8 12 10 11
17 11 9 10 10 9 7 12
18 24 12 12 14 8 10 12
19 13 14 14 12 12 16 11
21 8 13 7 7 8 11 12
22 17 16 15 9 21 25 12
23 11 8 14 11 9 10 13
24 16 12 12 392 93 78 10
25 8 12 10 12 7 9 10
26 24 14 19 11 38 7 9
27 11 12 11 12 16 18 12
29 8 12 10 14 6 6 718
30 24 12 10 6 6 6 8
31 16 18 11 15 9 13 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 943 (1998 Feb 01 - Feb 07)
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* 7.0 .755e-01 8.07 49.9 4.22 3.02
ANKR 1.8 150. -.967e-01 59.0 4.00 2.95
AREQ 7.0 89.7 .542e-01 46.0 4.60 2.34
ASC1 5.7 757. .243e-01 79.7 5.00 1.42
AUCK 1.9 89.0 .102 41.0 4.55 2.40
BAHR 7.0 .650 234. 44.9 4.74 3.14
BRMU 1.0 93.5 .930e-01 37.0 4.00 2.93
CAS1 4.5 .527e+07 -.150e+05 39.4 5.80 1.44
CASA 1.0 3.81 109. 37.0 5.00 2.84
CHAT 3.9 105. .721e-02 79.8 5.00 2.72
CHUR 1.0 2.75 -3.47 36.0 5.00 1.78
COCO .7 73.3 -.747e+04 47.0 5.00 2.54
CRO1 7.0 138. .579e-01 44.7 5.34 1.99
DAV1 .9 144. .126 . 5.00 1.50
DGAR 7.0 294. .371e-01 75.5 5.61 1.53
DRAO 1.0 .458e-01 -.186 35.0 4.00 2.64
EISL 6.6 253. .351e-01 48.5 5.71 2.47
FAIR* 5.9 .936e-01 -.369 36.7 4.18 2.24
FLIN 4.0 84.1 .931e-01 41.8 3.00 2.49
FORT 4.8 .193 -.163 65.9 6.86 1.43
GOL2* 5.8 .150 .781 76.4 4.19 2.02
GRAZ 2.0 .714 -.460e-01 60.0 3.54 2.64
GUAM 6.9 305. .586e-01 58.1 6.44 1.98
HARK 4.6 14.6 -6.87 56.0 4.80 2.59
IISC 5.9 82.3 .341e-01 67.7 5.00 2.49
IRKT 3.8 .157 .471 46.3 5.00 2.51
KERG 2.7 .199e+04 .123e+04 . 6.00 2.57
KIRU 3.0 3.08 4.38 51.3 6.00 2.19
KIT3 2.8 99.1 .943e-01 58.0 4.00 2.91
KOKB* 5.9 .352e+05 -233. 61.2 5.35 2.34
KOSG* 5.9 2.05 -15.2 41.2 3.71 2.53
KOUR 5.0 2.78 1.28 . 5.21 1.44
KWJ1 6.8 117. .418e-01 61.1 5.88 1.72
MAC1 3.5 84.2 .913e-01 46.8 4.22 2.44
MAD2* 7.0 381. .895 75.9 6.73 2.28
MALI 7.0 31.5 -129. . 6.16 2.04
MAS1 3.0 108. .551 44.0 5.06 2.31
MDVO 3.7 .282e+04 224. 65.2 5.50 1.80
METS 1.0 .170 -.202 36.0 3.00 2.18
MKEA 3.7 .666e-01 .159e-01 54.9 4.50 2.43
NLIB 1.0 .515e-01 1.34 48.0 4.00 2.78
NRC1 6.2 . . 51.7 3.19 2.98
OHIG 3.5 .297e+05 -.820 58.5 4.52 1.17
PERT 7.0 .182e+04 -9.24 49.1 4.73 2.58
POL2 2.8 77.6 -.188e-01 73.0 3.68 2.54
RCM6 6.0 220. .102 64.2 5.08 2.58
REYK 7.0 78.8 .511e-01 57.9 6.16 2.07
SANT* 5.6 .131e+04 -.517 43.9 4.30 1.17
SHAO 1.9 79.8 .940e-01 43.6 4.00 2.33
STJO 6.0 2.77 .719 60.9 4.18 2.57
TAHI .6 320. .297e-01 68.0 6.00 2.10
TID2* 6.0 .761e-01 -.774e-01 37.7 6.18 2.66
TSKB 1.0 1.61 -1.29 42.0 4.00 2.87
USNO 1.0 . . 54.0 5.00 2.44
USUD 5.0 .718 1.34 46.5 5.42 2.79
WHIT 1.0 93.5 .985e-01 32.0 3.00 2.60
WTZR* 7.0 .108 1.49 63.0 4.31 2.68
WUHN 3.9 4.54 -372. 47.2 4.77 2.35
XIAN 1.0 88.6 .988e-01 56.0 4.00 2.69
YELL* 7.0 16.9 -11.5 37.9 4.29 1.87
ZWEN 1.0 76.1 -.238 61.0 5.00 2.52
PRN01 7.0 81.5 38.8 55.4 5.15 2.35
PRN02 7.0 78.8 -452. 61.3 4.87 2.44
PRN03 6.6 80.2 96.3 56.1 5.00 2.23
PRN04 7.0 80.3 10.0 53.9 5.00 2.21
PRN05 7.0 81.7 134. 52.5 4.74 2.35
PRN06 6.8 81.6 -.242 53.0 5.16 2.06
PRN07 6.7 79.7 768. 61.5 5.00 2.41
PRN09 7.0 80.0 -28.8 54.3 5.00 2.23
PRN10 5.9 80.8 18.3 54.0 5.00 2.21
PRN14 7.0 80.4 26.4 52.3 5.00 2.51
PRN15 7.0 3.21 520. 57.6 5.00 2.45
PRN16 7.0 81.7 47.9 56.2 5.00 2.48
PRN17 7.0 81.9 -173. 57.0 5.00 2.19
PRN18 6.8 82.0 10.8 56.2 5.00 2.12
PRN19 7.0 82.4 371. 60.9 4.74 2.03
PRN21 7.0 82.0 21.3 56.2 5.00 2.22
PRN22 6.9 81.1 44.8 53.0 5.00 2.21
PRN23 7.0 81.1 9.48 52.9 5.00 2.21
PRN24 6.0 79.7 765. 54.5 5.18 2.33
PRN25 7.0 80.7 -6.78 52.1 5.00 2.16
PRN26 6.9 81.7 -85.5 54.7 5.00 2.14
PRN27 7.0 82.4 16.8 57.5 5.00 2.25
PRN29 6.9 78.3 127. 55.9 5.16 2.66
PRN30 7.0 82.2 -23.6 53.0 5.00 2.39
PRN31 6.6 80.8 1.04 57.5 5.16 2.16
_______________________
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 2 1 98 2 2 98 2 3 98 2 4 98 2 5 98 2 6 98 2 7
prn 3d rss (cm)
1 284 262 303 296 614 311 319
2 253 330 265 215 709 183 157
3 412 411 429 418 482 403 375
4 518 564 367 520 437 590 597
5 418 303 325 267 276 245 247
6 673 441 553 462 416 419 446
7 747 488 294 293 541 501 368
8 593 343 217 554 357 284 304
9 397 312 389 357 202 184 354
10 508 520 506 331 599 642 381
14 518 444 338 339 309 329 455
15 279 515 244 266 281 388 528
16 526 704 693 436 858 1423 524
17 566 405 378 544 517 457 615
18 1508 578 451 471 499 527 506
19 145 121 562 223 292 200 184
21 354 396 439 571 365 342 309
22 647 231 417 916 378 224 438
23 1018 588 678 975 515 401 489
24 552 540 516 225 779 343 230
25 324 597 382 749 291 226 385
26 503 576 174 363 335 532 290
27 396 472 553 424 731 666 375
29 303 385 362 259 228 210 244
30 233 349 604 480 225 304 262
31 268 232 283 372 440 191 250
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES
global: algo ankr areq asc1 auck bahr brmu cas1 casa chat chur coco cro1 dav1 dgar drao eisl fair flin fort gol2 graz guam hark iisc irkt kerg kiru kit3 kokb kosg kour kwj1 mac1 mad2 mali mas1 mdvo mets mkea nlib nrc1 ohig pert pol2 rcm6 reyk sant shao stjo tahi tid2 tskb usno usud whit wtzr wuhn xian yell zwen
[Mailed From: djeff at cobra.jpl.nasa.gov]
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