[IGSREPORT-5112] Wk 0964 JPL Analysis Report
D
D
Tue Jul 14 13:39:28 PDT 1998
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IGS Electronic Report Tue Jul 14 13:39:28 PDT 1998 Message Number 5112
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Author: D C Jefferson
Subject: Wk 0964 JPL Analysis Report
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JPL ANALYSIS REPORT GPS-WEEK 0964 (DAYS 179-185, DATES 1998 Jun 28 - Jul 04)
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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/0964. These files (except for *.tro) have also
been sent to the CDDIS.
______________________________________________________________________________
filename contents
______________________________________________________________________________
jpl09647.sum This text file.
jpl09647.erp Earth rotation parameters for GPS week 964.
jpl09647.snx Ground station coordinates for GPS week 964, SINEX format.
jpl0964[0-6].sp3 GPS ephemerides for GPS week 964, sp3 format.
jpl0964[0-6].tro Ground station troposphere estimates for GPS week 964.
______________________________________________________________________________
Median Orbit Repeatability (see table below): 8.0 cm
PRODUCTS UPDATE
---------------
Starting with week 964 all products from JPL are computed without fiducial
constraints. Our weekly SINEX file now includes Earth orientation estimates
for each day along with fully rigorous covariance information. A summary is
given below:
Orbits
estimates - rotationally aligned with ITRF96 (translations and
scale left as freely estimated to retain observability
of geocenter and scale changes)
sigmas - computed with internal constraints
Earth Orientation Parameters
estimates - aligned with ITRF96
sigmas - no-fiducial sigmas
Station Coordinates
estimates - rotationally aligned with ITRF96 (translations and
scale left as freely estimated to retain observability
of geocenter and scale changes)
sigmas - no-fiducial sigmas
Satellite (and station) Clocks
estimates - no-fiducial estimates
sigmas - no-fiducial sigmas
Tropospheres
estimates - no-fiducial estimates
sigmas - no-fiducial sigmas
GENERAL
-------
A large clock discontinuity (reset) of about 48 microseconds was detected
for PRN09 at approximately 12:05 on day 180.
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: FAIR (not USNO) used as reference clock days 181-183 and 185.
WARNING: NRC1 (not USNO) used as reference clock day 184.
WARNING: Data from AMCT, KELY, KSTU excluded day 179.
WARNING: Data from AMCT, KELY, KSTU excluded day 180.
WARNING: Data from KELY, KSTU, RCM6 excluded day 181.
WARNING: Data from LAMA excluded day 182.
WARNING: Data from KSTU, SIO3 excluded day 184.
WARNING: Data from WUHN excluded day 185.
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 964 (1998 Jun 28 - Jul 04)
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
50992.50 -7486 43486 -109085 582 4 5 15 15 37 0 27 227 90
50993.50 -7216 43614 -109679 607 4 4 15 15 37 0 27 253 127
50994.50 -6953 43769 -110300 635 4 4 15 15 37 0 27 272 158
50995.50 -6661 43966 -110948 660 4 4 15 15 37 0 27 256 174
50996.50 -6413 44133 -111600 645 5 5 16 16 37 0 27 276 114
50997.50 -6142 44280 -112211 577 5 5 16 16 37 0 27 258 138
50998.50 -5907 44450 -112759 518 5 5 16 16 37 0 27 268 136
END ERP TABLE
The following table indicates the "3-dimensional orbit repeatability", as
defined in IGS Mail Message 37, for GPS week 964:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]
JPL ORBIT REPEATABILITY TABLE GPS week 964 (1998 Jun 28 - Jul 04)
98 6 28 98 6 29 98 6 30 98 7 1 98 7 2 98 7 3 98 7 4
prn 3d rss (cm)
1 7 4 8 6 4 7 15
2 5 6 9 5 8 18 13
3 12 9 7 8 15 10 10
4 6 6 7 11 9 12 5
5 9 6 7 6 8 5 8
6 7 11 8 10 6 12 10
7 12 7 8 9 5 22 14
8 8 7 10 5 4 6 8
9 17 7 12 8 12 12 13
10 10 5 6 12 10 11 7
13 7 12 12 6 4 10 5
14 7 5 9 14 19 9 5
15 6 6 6 6 8 8 8
16 7 4 7 9 8 10 9
17 8 6 10 15 8 16 13
18 10 16 10 9 7 9 10
19 7 6 28 18 8 10 6
21 6 11 8 8 11 5 13
22 9 4 7 10 9 11 11
23 10 9 10 7 9 8 12
24 4 9 4 9 6 12 15
25 6 5 4 10 8 6 8
26 7 4 8 10 7 9 5
27 6 6 8 8 7 10 7
29 8 5 7 13 9 4 9
30 8 8 10 8 8 8 10
31 5 7 5 5 4 7 7
_______________________
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 964 (1998 Jun 28 - Jul 04)
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 .101 1.56 65.9 5.83 2.65
ASC1 6.9 144. -.421 71.5 5.60 1.42
BAHR 3.8 .408 129. 43.5 5.00 3.31
BARB 3.7 96.9 -.495 30.5 6.27 3.51
BOGT .9 147. -.694 69.0 5.00 1.67
BRUS 1.0 .463 5.56 62.0 5.00 2.71
CASA 1.0 16.5 18.0 45.0 6.00 3.00
COCO 2.0 114. -.276e+05 . 7.00 1.74
CRO1 2.0 159. -.237 58.5 6.00 1.58
DAV1* 6.8 132. -.409 . 4.45 1.72
DGAR 7.0 167. -.421 69.5 5.46 1.83
EISL 7.0 118. -.425 52.1 5.31 2.96
FAIR* 7.2 .183 .469 53.6 5.31 2.40
FORT* 6.9 .222 -.556 67.7 5.16 1.71
GALA 5.5 109. -.393 69.5 5.20 1.65
GODE 3.9 314. -1.89 48.8 6.00 2.77
GOL2* 7.0 .118 -1.22 45.7 4.87 2.17
GRAZ* .9 .477 .335 77.0 5.00 2.18
GUAM* 3.0 106. -.523 64.7 7.00 2.33
HARK* 5.7 5.88 -6.40 50.6 4.00 2.94
HRAO 7.0 .208 -2.06 33.3 4.00 2.87
IRKT* 6.3 2.61 -.341 65.7 5.00 2.41
KELY 1.0 112. .171 . 5.00 .895
KERG* 5.8 694. .114e+04 . 5.21 2.66
KIT3* 7.0 184. -.408 71.3 5.16 2.62
KOKB* 7.0 .118e+06 -864. 80.2 5.61 2.47
KWJ1* 7.0 89.4 -.422 73.3 7.15 2.01
LHAS* .9 90.8 -.705 83.0 5.00 2.37
MAC1* 6.8 89.7 -.414 39.4 4.00 2.39
MAD2* 7.0 479. -2.37 . 6.87 2.19
MAG0 5.0 .342e+06 486. 33.2 5.04 2.47
MALI* 5.8 33.3 -982. 79.5 7.34 1.85
MAS1* 7.0 8.79 -.605 57.7 4.00 2.26
MATE* 1.0 .197 -1.59 41.0 4.00 2.99
MCM4 6.0 90.8 -.371 35.8 4.84 1.33
MEDI 3.7 .334 -.329e-01 34.4 5.33 2.99
MKEA 6.0 .139 -.391 59.2 5.00 2.66
NRC1 1.1 . . 74.0 5.00 2.22
NTUS 4.4 177. -.483 99.6 5.83 1.53
NYA1 4.0 .207 -1.24 47.8 5.27 2.24
OHIG* 6.8 871. -.373 69.8 5.45 2.11
ONSA* 5.9 .197 -2.64 43.5 4.18 2.05
SANT* 6.9 279. -.316 42.8 4.89 2.01
TID2* 7.0 42.6 -.181 38.3 4.87 2.48
TSKB* 7.0 2.04 -2.66 53.9 5.45 3.15
USNO 2.2 . . 55.0 6.00 2.82
USUD 6.0 .311 3.39 47.0 6.23 2.89
WTZR* 6.5 37.5 -1.85 66.2 5.00 2.61
WUHN 1.0 6.27 -87.5 47.0 5.00 2.21
YAKZ 1.0 .289e+06 445. 48.0 5.00 2.40
YAR1* 6.9 83.1 -.419 38.0 4.45 2.39
YELL* 7.0 .178 -.755 53.6 5.31 1.75
PRN01 7.0 81.8 51.5 58.5 5.00 2.21
PRN02 7.0 81.0 -505. 59.2 5.15 2.24
PRN03 6.9 81.0 23.8 55.3 5.16 2.33
PRN04 7.0 80.9 34.6 55.6 5.15 2.10
PRN05 7.0 78.8 153. 57.7 5.00 2.31
PRN06 7.0 81.3 -.656 61.5 5.29 2.06
PRN07 6.9 79.9 782. 57.8 5.31 2.31
PRN08 7.0 79.2 477. 56.1 5.00 2.16
PRN09 6.9 .377e+04 -14.7 57.3 5.00 2.26
PRN10 6.6 81.8 23.2 58.3 5.00 2.02
PRN13 7.0 79.9 -183. 57.9 5.00 2.32
PRN14 6.8 80.8 -.216 56.7 5.15 2.31
PRN15 7.0 2.67 572. 58.4 5.00 2.51
PRN16 6.6 79.4 68.3 58.1 5.31 2.20
PRN17 7.0 80.7 -183. 59.5 5.15 2.07
PRN18 7.0 79.4 14.6 56.7 5.00 2.23
PRN19 7.0 79.7 -7.69 57.0 5.00 2.05
PRN21 6.8 80.4 46.3 57.4 5.59 2.13
PRN22 7.0 78.9 .671 54.0 5.00 2.34
PRN23 6.8 81.1 .731 58.8 6.15 2.08
PRN24 7.0 79.1 824. 55.8 5.16 2.15
PRN25 7.0 82.5 -6.77 52.9 5.31 2.35
PRN26 7.0 80.9 145. 56.0 5.16 2.35
PRN27 7.0 80.9 33.2 57.6 5.00 1.97
PRN29 7.0 79.8 515. 58.8 5.00 2.25
PRN30 7.0 82.2 -45.7 53.2 5.16 2.23
PRN31 6.9 80.3 4.47 55.7 5.31 2.40
_______________________
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 6 28 98 6 29 98 6 30 98 7 1 98 7 2 98 7 3 98 7 4
prn 3d rss (cm)
1 427 391 386 299 274 251 306
2 274 477 696 789 595 771 288
3 315 594 318 390 349 466 215
4 357 397 266 464 355 268 473
5 336 386 548 274 329 360 456
6 724 683 849 757 770 816 837
7 563 448 869 791 208 274 408
8 804 730 233 799 664 360 609
9 301 298 272 505 667 500 219
10 693 613 676 518 403 358 488
13 820 377 162 284 488 239 227
14 1280 446 330 809 1010 1069 1039
15 308 154 180 164 289 370 343
16 1450 1483 406 448 236 427 516
17 242 233 302 204 225 312 249
18 392 320 316 358 254 264 436
19 451 191 351 215 144 272 235
21 434 380 471 408 339 370 337
22 597 485 440 433 720 756 395
23 291 272 251 196 422 567 370
24 288 183 469 334 171 229 344
25 976 949 441 736 656 523 521
26 476 380 364 223 350 146 123
27 155 280 298 336 357 170 278
29 298 149 160 201 196 163 179
30 300 223 412 283 333 283 209
31 811 210 221 388 390 209 289
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES
global: algo asc1 bahr barb bogt brus casa coco cro1 dav1 dgar eisl fair fort gala gode gol2 graz guam hark hrao irkt kely kerg kit3 kokb kwj1 lhas mac1 mad2 mag0 mali mas1 mate mcm4 medi mkea nrc1 ntus nya1 ohig onsa sant tid2 tskb usno usud wtzr wuhn yakz yar1 yell
[Mailed From: djeff at cobra.jpl.nasa.gov]
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