[IGSREPORT-4773] Wk 0950 JPL Analysis Report
D
D
Tue Apr 7 09:40:41 PDT 1998
******************************************************************************
IGS Electronic Report Tue Apr 7 9:40:41 PDT 1998 Message Number 4773
******************************************************************************
Author: D C Jefferson
Subject: Wk 0950 JPL Analysis Report
******************************************************************************
JPL ANALYSIS REPORT GPS-WEEK 0950 (DAYS 81-87, DATES 1998 Mar 22 - Mar 28)
******************************************************************************
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/0950. These files (except for *.tro) have also
been sent to the CDDIS.
______________________________________________________________________________
filename contents
______________________________________________________________________________
jpl09507.sum This text file.
jpl09507.erp Earth rotation parameters for GPS week 950.
jpl09507.snx Ground station coordinates for GPS week 950, SINEX format.
jpl0950[0-6].sp3 GPS ephemerides for GPS week 950, sp3 format.
jpl0950[0-6].tro Ground station troposphere estimates for GPS week 950.
______________________________________________________________________________
Median Orbit Repeatability (see table below): 10.5 cm
We continue to deweight all data from PRN08 and PRN13. Data from PRN08 were
found to be extremely mismodeled on day 086, and we have chosen to exclude
them completely from this day's analysis.
According to the file nanu1998.mes obtained from the IGS CBIS, PRN06 was
unusable on day 082, and we have excluded its data on this day accordingly.
Data from this satellite were also mismodeled on the previous day (081), and
we have chosen to deweight these data for this day's analysis. Lastly, data
from PRN26 were mismodeled on day 086 and have been excluded accordingly.
A large clock discontinuity (reset) of about 53 microseconds was detected for
PRN22 at approximately 15:40 on day 083.
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: TID2 (not NRC1) used as reference clock day 084.
WARNING: MKEA (not NRC1) used as reference clock day 085.
WARNING: USNO (not NRC1) used as reference clock day 086.
WARNING: Data from PRN13 deweighted the entire GPS week 950.
WARNING: Data from PRN06 deweighted day 081, excluded day 082.
WARNING: Data from PRN08 deweighted days 081-085 and 087; excluded day 086.
WARNING: Data from PRN26 excluded day 086.
WARNING: Data from HARK, HRAO, KERG excluded day 081.
WARNING: Data from MADR, SIO3 excluded day 083.
WARNING: Data from KSTU, SIO3 excluded day 084.
WARNING: Data from KSTU, SIO3 excluded day 085.
WARNING: Data from IRKT, KSTU, LPGS excluded day 086.
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 950 (1998 Mar 22 - Mar 28)
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
50894.50 -9552 23350 50315 2040 3 3 11 11 37 22 27 -222 117
50895.50 -9715 23473 48298 1994 3 3 11 11 37 23 26 -152 117
50896.50 -9831 23612 46310 1981 3 3 11 11 37 22 27 -151 193
50897.50 -9969 23794 44315 2009 3 3 10 10 37 26 27 -161 191
50898.50 -10119 23991 42267 2088 3 3 11 11 37 25 27 -144 197
50899.50 -10248 24180 40220 2005 3 3 11 11 37 27 25 -180 176
50900.50 -10460 24383 38221 1994 3 3 11 11 37 21 27 -187 207
END ERP TABLE
The following table indicates the "3-dimensional orbit repeatability", as
defined in IGS Mail Message 37, for GPS week 950:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]
JPL ORBIT REPEATABILITY TABLE GPS week 950 (1998 Mar 22 - Mar 28)
98 3 22 98 3 23 98 3 24 98 3 25 98 3 26 98 3 27 98 3 28
prn 3d rss (cm)
1 9 10 9 12 13 15 4
2 25 12 10 22 27 25 14
3 7 8 15 19 14 8 12
4 10 6 8 6 8 10 11
5 4 8 7 12 8 13 14
6 402 13 14 28 14 13
7 5 10 7 9 7 6 8
8 68 76 72 84 90 147
9 6 13 10 22 7 13 8
10 10 7 8 8 11 12 11
13 50 84 111 74 64 65 57
14 7 13 12 13 7 11 22
15 5 10 6 17 14 14 9
16 8 7 11 10 10 9 18
17 5 9 14 5 10 10 11
18 8 7 4 5 7 10 15
19 14 9 9 17 27 28 22
21 14 27 33 9 11 18 14
22 9 12 9 7 19 10 13
23 17 16 19 18 18 21 18
24 9 6 11 10 9 10 10
25 7 6 8 9 16 14 6
26 18 18 6 6 4 42
27 7 8 12 6 6 8 10
29 7 9 11 11 10 14 9
30 11 10 11 9 7 10 9
31 21 16 14 13 10 10 18
_______________________
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 950 (1998 Mar 22 - Mar 28)
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 .942 -.764 54.6 4.31 2.36
AREQ* 5.0 124. .146 70.8 4.22 1.66
ASC1 4.6 .580e+04 .259 64.6 5.17 1.29
AUCK 3.0 91.9 .272 43.0 4.00 1.98
BAHR 5.5 .115e+05 144. 40.0 4.39 2.29
BOGT 5.5 401. .137 66.5 5.00 1.50
CAS1 4.7 .679e+07 -.127e+05 38.6 5.82 .932
CASA 3.0 12.9 61.1 44.1 6.67 2.68
CHAT 1.0 95.0 .117 82.0 5.00 2.40
COCO 5.9 180. -.145e+05 55.2 6.23 2.26
CRO1 1.0 181. -.259 60.0 6.00 1.82
DAV1* 6.9 139. .159 . 5.00 1.40
DGAR 4.3 .125e+04 .116 66.6 6.08 1.60
DRAO 1.0 .119 -.893 36.0 4.00 2.83
EISL 7.0 126. .134 60.7 5.15 2.25
FAIR* 7.0 .977 .150e-01 37.3 4.60 1.69
FORT* 7.0 .955 -.420e-01 87.9 6.31 1.53
GOL2* 6.7 108. .887 54.7 4.27 1.49
GUAM* 7.0 122. .966e-01 71.1 5.77 1.82
HARK* 6.0 11.5 -.789e-02 60.0 5.10 2.46
IISC 5.8 186. .190 78.4 5.36 1.75
IRKT* 4.9 .164 .620 55.0 4.21 2.01
KELY .6 .409e+04 -1.88 . 5.00 1.54
KERG* 3.7 .329e+04 .232e+04 . 6.25 2.46
KIT3* 2.6 174. .225e-01 75.6 4.00 2.20
KOKB* 7.0 1.08 -17.1 83.2 5.30 2.09
KWJ1* 6.8 227. .122 78.9 5.72 1.77
LHAS* 4.0 108. .224 66.2 4.54 2.00
LPGS 2.7 325. .219 60.4 4.72 2.11
MAC1* 5.8 86.8 .143 44.5 4.20 1.66
MAD2* 6.9 427. .999 56.9 5.34 1.75
MAG0 .9 .289e+06 487. 31.0 4.00 2.27
MALI* 7.0 99.2 -175. 98.1 7.44 1.61
MCM4 2.0 92.5 .117 42.5 4.49 .861
MDVO 1.0 .645 563. 70.0 6.00 1.99
MEDI .8 .552e-01 -4.21 33.0 4.00 2.92
METS 1.0 31.7 20.1 68.0 3.00 2.35
MKEA 3.9 .869e-01 -.371 69.5 4.00 1.91
NLIB* 1.0 .204 .540 53.0 6.00 2.57
NRC1 5.1 .193 -.362 78.1 4.10 2.25
NTUS .8 316. .156 92.0 6.00 1.57
NYAL 5.4 36.5 -.912e-02 71.6 5.14 1.33
OHIG* 5.6 .793e+06 2.25 64.9 4.84 1.12
ONSA* 6.8 811. -1.61 39.7 3.30 1.70
PETR 2.9 93.6 .267 45.0 5.00 2.52
PIE1* 1.0 .155 -.242 47.0 5.00 2.65
POL2 1.9 76.7 .114 62.5 4.00 2.43
RCM6 1.0 96.8 .948e-01 89.0 4.00 1.42
REYK 1.0 94.4 .806e-01 57.0 6.00 1.26
SANT* 2.1 .357e+07 154. 48.4 4.00 1.11
TAHI .8 162. .164 84.0 6.00 2.68
TID2* 7.0 767. .297 38.7 5.09 1.90
TSKB* 7.0 1.67 -1.64 52.0 4.31 2.51
USNO 1.0 . . 61.0 5.00 2.73
USUD 5.0 148. 1.28 52.0 4.00 2.15
WES2 3.0 .367 1.19 69.8 4.35 2.48
WTZR* 7.0 .950 .864 63.0 4.15 2.38
WUHN 1.0 5.28 -877. 55.0 5.00 1.31
XIAN 1.0 97.7 -.234 54.0 4.00 2.96
YAKA .9 119. .132 56.0 4.00 2.29
YAKZ 1.0 .288e+06 442. 42.0 5.00 2.08
YAR1* 7.0 91.2 .134 39.5 3.87 1.81
YELL* 7.0 31.5 8.56 43.1 4.60 1.20
PRN01 7.0 78.2 43.0 55.6 4.86 2.16
PRN02 7.0 82.3 -468. 66.6 5.00 1.97
PRN03 7.0 82.6 112. 58.4 5.00 2.14
PRN04 7.0 81.4 18.6 61.9 4.87 1.91
PRN05 7.0 82.9 142. 63.5 4.60 2.41
PRN06 5.0 81.5 -.129 62.9 5.00 1.95
PRN07 7.0 82.5 773. 61.1 4.87 2.01
PRN09 6.9 82.4 -34.7 62.3 5.00 1.99
PRN10 7.0 79.0 20.1 63.8 5.00 1.93
PRN14 7.0 79.3 28.2 54.9 5.00 2.31
PRN15 7.0 3.10 538. 65.0 5.00 2.04
PRN16 7.0 78.7 54.9 57.9 5.00 2.19
PRN17 7.0 80.5 -176. 64.6 5.00 1.95
PRN18 7.0 80.9 12.5 61.8 5.16 1.92
PRN19 6.7 81.7 388. 66.5 5.31 1.88
PRN21 7.0 80.4 30.5 56.3 5.15 2.30
PRN22 6.9 .471e+04 24.0 58.2 5.00 2.04
PRN23 7.0 81.7 11.5 57.6 5.00 2.16
PRN24 7.0 81.2 821. 64.4 4.61 2.10
PRN25 6.8 83.4 -6.66 57.9 5.00 2.02
PRN26 6.0 82.6 -139. 57.5 5.18 2.06
PRN27 6.8 83.0 22.4 66.3 5.47 1.89
PRN29 7.0 81.7 341. 55.3 4.87 2.35
PRN30 7.0 81.5 -30.9 60.2 5.03 2.19
PRN31 6.9 80.6 2.55 63.0 5.00 2.10
_______________________
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 3 22 98 3 23 98 3 24 98 3 25 98 3 26 98 3 27 98 3 28
prn 3d rss (cm)
1 706 379 470 439 314 264 241
2 552 223 163 288 175 232 260
3 547 288 282 237 233 171 304
4 623 566 393 404 286 855 228
5 340 399 422 486 266 178 165
6 1323 1051 615 501 647 553
7 334 376 250 327 655 188 163
8 223 299 376 447 506 935
9 249 268 384 309 636 246 268
10 658 567 521 382 541 435 430
13 722 551 1007 437 250 375 216
14 721 650 721 455 492 707 388
15 263 282 322 215 272 320 216
16 803 572 355 370 428 356 265
17 269 615 471 255 211 428 466
18 274 267 399 332 522 325 277
19 449 413 619 273 199 366 196
21 396 354 395 329 304 394 411
22 530 522 493 460 551 403 325
23 416 384 561 531 449 601 337
24 841 486 243 241 310 181 165
25 794 364 602 414 431 295 345
26 106 154 183 200 704 153
27 547 506 427 728 451 388 436
29 228 176 246 377 224 229 296
30 452 264 350 329 254 170 198
31 527 402 584 305 282 302 418
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES
global: algo areq asc1 auck bahr bogt cas1 casa chat coco cro1 dav1 dgar drao eisl fair fort gol2 guam hark iisc irkt kely kerg kit3 kokb kwj1 lhas lpgs mac1 mad2 mag0 mali mcm4 mdvo medi mets mkea nlib nrc1 ntus nyal ohig onsa petr pie1 pol2 rcm6 reyk sant tahi tid2 tskb usno usud wes2 wtzr wuhn xian yaka yakz yar1 yell
[Mailed From: djeff at cobra.jpl.nasa.gov]
More information about the IGSREPORT
mailing list