[IGSMAIL-80] UTX analysis report
Bob
Bob
Thu Aug 27 14:20:12 PDT 1992
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IGS Electronic Mail 27-AUG-1992 14:20:12 Message Number 80
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THIS FILE CONTAINS 5 MESSAGES
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>From: Bob E. Schutz
Subject: UTX analysis report
-------------------
IGS ANALYSIS CENTER REPORT
CENTER FOR SPACE RESEARCH/UNIVERSITY OF TEXAS AT AUSTIN
Report Period: 1992 August 2-August 8
(Days 215-221, GPS Week 656)
Report Date: 1992 August 24
This report provides additional information about GPS products generated
by the Center for Space Research/University of Texas at Austin (UTX) for
the International GPS Geodynamics Service (IGS).
PRODUCTS SUMMARIZED
GPS ephemerides and Earth rotation parameters were generated for the
reporting period. The Earth rotation parameters do not currently include
UT1. The results may be obtained from the NASA CDDIS. The currently
available files are:
UTX0656*.EPH: GPS ephemerides for GPS Week 656 (SP3 format), * represents
0-Sunday,...,6-Saturday
UTX06567.SUM: This report file
UTX06567.ERP: Earth rotation summary file
The currently available products include independent one-day arcs used for
Earth rotation parameter determination. Anti-spoofing (AS) was active on
Days 215, 216 and 221. Some Rogue receivers recorded no data from AS-active
satellites while others recorded noisier than normal phase. These effects
are reflected in the daily solution statistics below. The "codeless" Minimac
and Trimble performed satisfactorily during AS.
CORE STATION SUMMARY
The Core Station data used in the solutions is given below. Missing data
on some days does not imply that no data are available. X in the table
indicates that data from that site were used in the solution. All receivers
are Rogue, except as noted.
DATA USED IN SOLUTIONS
Days 215-221
Day of Week 656
S M T W T F S
U O U E H R A
N N E D U I T
Site Code
Algonquin, Ontario Canada ALGO X X X X X X X
Fairbanks, AK USA FAIR X X X X X X X
Hartebeestoek S. Africa HART X X X X X X X
Hobart, Tasm. (Minimac) Australia HOBA X X X X X X X
Kokee Park, HI USA KOKB X X X X X X X
Kootwijk Netherlands KOSG X X X X X X X
Madrid (DS60) Spain MADR X X X X X X X
Mas Palomas (ESOC) Canary I. MASP X X X X X X X
McMurdo Antarctica MCMU X X X X X X X
Mojave, CA (Minimac) USA MOJ1 X X - - - - X
Ny Alesund Norway NYAL X X X X X X X
Onsala Sweden ONSA X X X X X X X
Papeete Tahiti PAMA X X X X X X X
Pinyon (PGGA), CA USA PINY X X X X X X X
Santiago Chile SANT X X X X X X X
St. Johns, Newfoundland Canada STJO X X X X X X X
Tai-shi Taiwan TAIW X X X X X X X
Tidbinbilla (DS40) Australia TIDB X X X X X X X
Townsville (Trimble) Australia TOWN X X X X X X X
Usuda Japan USUD X X X X X X X
Wellington (Trimble) New Zealand WELL X X X X X X X
Westford, MA (Minimac) USA WES1 X X - - - - X
Wettzell Germany WETT X X X X X X X
Yaragadee Australia YAR1 X X X X X X X
Yellowknife Canada YELL X X X X X X X
Totals 25 25 23 23 23 23 25
SATELLITE SUMMARY
The "percent time in shadow" is taken from Day 218.
PRN PERCENT TIME COMMENTS
IN SHADOW
2 4.2 Nominal
3 0.0 Nominal
11 0.0 Nominal
12 0.0 Nominal
13 0.0 Nominal
14 0.0 Nominal
15 3.8 Nominal
16 0.0 Nominal
17 4.9 Nominal
18 0.0 Nominal
19 0.0 Nominal
20 3.1 Nominal
21 0.0 Nominal
23 0.0 Nominal
24 0.4 Nominal
25 0.0 Nominal
28 0.0 Nominal
SOLUTION CHARACTERISTICS
Force Model: IERS Standards
Reference Frame: Defined by fixed stations in SLR (CSR91L03) and
VLBI (GLB718)
Software: MSODP1/TEXGAP
Data: L1/L2 GPS phase sampled at 2 min., processed as double differences
Minimum Elevation: 15 degrees
Arc Length:
UTX0656*.EPH: Independent 1-day arcs from which ERP products are obtained
UTX06517.ERP: 1-day arcs
Adjusted Parameters:
6 epoch elements, nongravitational force parameters for each satellite
Zenith delay parameter each 2.5 hr for each station
Double difference bias parameters
Pole position (in one-day arcs)
Solution Statistics:
The independent one day arcs used for the Earth rotation solutions have
the characteristics given below:
UTX06567.ERP
Day-> 0 1 2 3 4 5 6
Passes: 227 335 483 504 486 388 244
Double differences (DD): 11417 17723 25782 27013 26289 24833 11667
RMS of DD (cm): 5.85 3.75 2.39 2.19 2.12 1.52 5.19
[Day 0=Sunday; Day 6=Saturday]
All satellites included for each day
----------------------------
For further information:
Prof. B. E. Schutz
schutz at utcsr.ae.utexas.edu
or Dr. P. A. M Abusali
abusali at utcsr.ae.utexas.edu
==============================================================================
>From: Tom Clark
Subject: Richmond VLBI Station EST MORTE
-------------------------------
I is sad to report the demise of the Richmond, FL geodetic VLBI station
as a result of the fury of Hurricane Andrew.
The Richmond antenna was one of the original Howard Tatel designs, 60 feet
in diameter. It was originally built for the Carnegie Institute Dept. of
Terrestrial Magnetism in the late 1950's, when it was located at Derwood,
Maryland. About 10 years ago, Bill Carter of the Nation Geodetic Survey had
it relocated to Richmond where it was jointly operated by the US Naval
Observatory and NGS as one of the prime stations of the POLARIS, IRIS
and NEOS Earth Orientation networks, with technical support from NASA's
Crustal Dynamics Project.
Richmond iis also a prime Geodetic GPS facility and in CIGNET, IGS and
FLINN. It had recently been equipped with a JPL ROGUE GPS receiver. The
status of the GPS hardware is unknown.
The following report from USNO's Jim Martin at the Washington Correlator
gives the pertinent information as we know it:
>Date: Tue, 25 Aug 92 14:54:08 edt
>From: jom at CygX3.usno.navy.mil
>To: vlbi at altair.gsfc.nasa.gov
>Subject: Richmond status
>
> We have received numerous inquires about the status of Richmond
> after being struck by Hurricane Andrew. As a former station
> director at Richmond I'm sad to announce that it appears that
> the Richmond antenna has been destroyed. Tim Carroll, station
> Director, managed to find a working phone and called this morning.
> He described the antenna as a mass of twisted metal pointed at
> the ground. The station itself sustained some damage but most
> of the equipment, including the maser and cesium clocks, is
> OK. Not all of the station personnel have been heard from but
> that is understandable since the area is almost impassable.
> Ron Andrukitis, who lived in a mobile home in Homestead, weathered
> the storm at the station. His home is gone. The emergency generators
> have also been knocked out. A relief team from USNO is on its
> way down at this moment. I think the MarkIII rack is mostly ok.
> One terminal was lost. The receiver was taken off the antenna and
> into the station before the storm.
> - Jim Martin
Richmond is located between Coral Gables and Homestead. The news reports
are that the Homestead had 90% devastation. The National Hurricane Center
at Coral Gables reported peak winds of 164 MPH when the wind sensor broke,
and also lost all of its satellite communications dishes.
Tom Clark
==============================================================================
>From: Ch. Reigber
Subject: GFZ analysis report
-------------------
Report for GPS Week 655 (Days 208-214) from GFZ
===============================================
Remark: The delayed product dissemination is due to an
internal GFZ brain storming meeting last week !
This report is generated by the GeoForschungsZentrum Potsdam (GFZ)
on a weekly basis for the International GPS Geodynamics Service (IGS).
PRODUCT SUMMARY
GFZ06557.EPH: GPS ephemerides for GPS Week 655 (SP3 format, pos. and vel.)
GFZ06557.ERP: Earth rotation parameter (UT1 corrections are not included)
GFZ06557.CLK: ST and SV clock parameters of each observation epoch (the
maser-based clock at Fairbanks is taken as reference clock)
GFZ06557.SUM: Summary file for reporting week
The above specified products are available at CDDIS. The ERP results are
submitted additional to IERS Central Bureau and IERS Sub Bureau for Rapid
Service and Predictions.
CORE STATION SUMMARY
The Core Station data used in the solutions is given below.
Day of Week 655
S M T W T F S
U O U E H R A
Site N N E D U I T
Name Code
---------------------------------------------------------
Algonquin ALGO X X X X X X X
Fairbanks FAIR X X X X X X X
Goldstone DS10 X X X X X X X
Hartebeesthoek HART X X X X X X X
Kokee Park KOKR X X X X X X X
Mc Murdo MCMU X X X X X X X
Ny-Alesund NALL X X X X X X X
Pamatai PAMA X X X X X X X
Santiago SANT X X X X X X X
Tai Shi TAIW X X X X X X X
Tromsoe TROM X X X X X X X
Usuda USUD X X X X X X X
Wettzell WTZ1 X X X - X X X
Yellowknife YELL X X X X X X X
Yarragadee YAR1 X X X X X X X
Tidbinbilla TIDB - X X X X X X
---------------------------------------------------------
SOLUTION CHARACTERISTICS
1. Analysis Center: GFZ/DLR
2. Analysing Team: D. Angermann, R. Galas, Th. Nischan,
Ch. Reigber, S.Y. Zhu
3. Solution Identifier: EPH(GFZ)92G01-DDD
ERP(GFZ)92G02-DDD
CLK(GFZ)92G01-DDD (only relative)
4. Software used: GEPARD4.0
5. Defintion of Terrestrial Reference Frame
Origin: Nominally ITRF-90
Orientation: Nominally ITRF-90
Reference Epoch: 1992.352 (MJD 48750)
Fixed set of stations: Y. Bock Solution (IGS Message No.56)
ALGO, YELL, FAIR, KOKR, TROM, WTZ1, YAR1, USUD, NALL, PAMA,
MCMU, TAIW, DS10
6. Data used:
- undifferenced pseudo ranges and carrier phases
- 2-day arc solutions with one day overlap
7. Adjusted parameters:
- State vector of all GPS satellites
- Daily polar motion
- Coordinate corrections for non-fixed stations
- Troposheric zenith path delay
- Solar radiation scale and y-bias
- Ambiguities
- ST and SV clock parameters of each observation epoch (the
maser-based clock at Fairbanks is taken as reference clock)
SOLUTION STATISTICS
Arc No. 0 1 2 3 4 5 6
------------------------------------------------------------------------
Number of observations 45616 46098 42754 45680 50338 35492 14393
RMS of carrier phases [cm] 1.3 1.4 1.2 1.5 1.5 1.6 4.8
RMS of code measurements [cm] 50.1 50.6 49.7 50.4 51.1 55.7 44.3
------------------------------------------------------------------------
INFORMATIONS TO PRODUCT GENERATION
The calculation of the 7-day ephemerides file is described below.
Day of GPS Week 655 [Day 0=Sunday; Day 6=Saturday]
Arc No. 0 1 2 3 4 5 6
0 XXXX----
1 XXXX----
2 XXXX----
3 XXXX----
4 XXXX----
5 XXXX----
6 XXXX----
XXXX : The first day of the 2-day arc is used for ephemeris
dissemination
---- : The second day is used for quality control by overlap
- GFZ06557.EPH (Seven 1-day segments)
============
In the table below the overlap rms differences [m] in radial,
cross- and along-track component are presented.
prn 208 209 210 211 212 213 214 | Mean
======================================================================
2 radial 0.369 0.203 0.355 0.343 0.299 0.282 *) | 0.309
2 cross 0.491 0.292 0.358 0.554 0.344 0.337 | 0.396
2 along 0.676 0.488 0.673 0.735 0.614 0.488 | 0.612
----------------------------------------------------------------------
3 radial 0.160 0.261 0.229 0.214 0.230 0.277 ----- | 0.229
3 cross 0.149 0.362 0.194 0.390 0.306 0.284 ----- | 0.281
3 along 0.346 0.525 0.572 0.567 0.427 0.397 ----- | 0.472
----------------------------------------------------------------------
11 radial 0.069 0.120 0.247 0.161 0.266 0.138 0.226 | 0.175
11 cross 0.376 0.215 0.504 0.316 0.334 0.273 0.676 | 0.385
11 along 0.377 0.241 0.533 0.223 0.450 0.277 0.503 | 0.372
----------------------------------------------------------------------
12 radial 0.694 0.366 0.240 0.360 0.285 0.269 0.512 | 0.389
12 cross 1.029 0.372 0.269 0.615 0.456 0.216 0.595 | 0.507
12 along 1.690 0.769 0.512 0.774 0.695 0.588 1.109 | 0.877
----------------------------------------------------------------------
13 radial 0.066 0.240 0.149 0.161 0.155 0.159 0.187 | 0.160
13 cross 0.368 0.415 0.423 0.455 0.567 0.350 0.778 | 0.479
13 along 0.372 0.470 0.231 0.376 0.430 0.424 0.570 | 0.410
----------------------------------------------------------------------
14 radial 0.296 0.218 0.353 0.389 0.241 0.231 0.208 | 0.277
14 cross 0.366 0.222 0.614 0.659 0.269 0.220 0.389 | 0.391
14 along 0.514 0.394 0.988 0.904 0.568 0.493 0.515 | 0.625
----------------------------------------------------------------------
15 radial 0.523 0.426 0.490 0.585 0.554 0.239 0.310 | 0.447
15 cross 0.496 0.478 0.590 0.621 0.470 0.418 0.458 | 0.504
15 along 1.021 0.987 1.104 1.415 0.856 0.529 0.740 | 0.950
----------------------------------------------------------------------
16 radial 0.309 0.200 0.194 0.238 0.254 0.146 *) | 0.223
16 cross 0.370 0.258 0.262 0.598 0.483 0.274 | 0.374
16 along 0.617 0.417 0.347 0.480 0.586 0.351 | 0.466
----------------------------------------------------------------------
17 radial 0.522 0.502 0.415 0.575 0.487 0.225 *) | 0.454
17 cross 0.468 0.408 0.400 0.522 0.518 0.511 | 0.471
17 along 1.220 0.793 1.039 1.050 1.040 0.529 | 0.945
----------------------------------------------------------------------
18 radial 0.194 0.135 0.285 0.284 0.207 0.127 0.245 | 0.211
18 cross 0.242 0.334 0.311 0.398 0.186 0.327 0.441 | 0.320
18 along 0.403 0.326 0.608 0.543 0.480 0.338 0.670 | 0.481
----------------------------------------------------------------------
19 radial 0.300 0.344 0.332 0.274 0.236 0.263 0.237 | 0.284
19 cross 0.449 0.281 0.288 0.319 0.262 0.279 0.412 | 0.327
19 along 0.677 0.677 0.638 0.719 0.548 0.525 0.621 | 0.629
----------------------------------------------------------------------
20 radial 0.390 0.317 0.342 0.353 0.459 0.117 *) | 0.330
20 cross 0.396 0.310 0.411 0.261 0.520 0.176 | 0.346
20 along 0.679 0.568 0.734 0.626 1.022 0.312 | 0.657
----------------------------------------------------------------------
21 radial 0.320 0.144 0.634 0.177 0.173 0.174 *) | 0.270
21 cross 0.325 0.269 0.713 0.252 0.399 0.251 | 0.368
21 along 0.649 0.367 1.320 0.402 0.428 0.404 | 0.595
----------------------------------------------------------------------
23 radial 0.154 0.128 0.158 0.216 0.088 0.137 *) | 0.147
23 cross 0.247 0.253 0.218 0.221 0.191 0.262 | 0.232
23 along 0.279 0.309 0.258 0.361 0.329 0.256 | 0.299
----------------------------------------------------------------------
24 radial 0.616 0.364 0.478 0.428 0.314 0.138 *) | 0.390
24 cross 0.530 0.353 0.400 0.349 0.285 0.254 | 0.362
24 along 1.290 0.727 0.864 0.788 0.601 0.399 | 0.778
----------------------------------------------------------------------
25 radial 0.369 0.230 0.273 0.237 0.295 0.288 *) | 0.282
25 cross 0.467 0.241 0.394 0.229 0.383 0.354 | 0.345
25 along 0.742 0.483 0.485 0.409 0.618 0.488 | 0.537
----------------------------------------------------------------------
26 radial 0.496 0.254 0.341 0.292 0.272 0.206 *) | 0.310
26 cross 0.456 0.297 0.597 0.399 0.446 0.383 | 0.430
26 along 1.018 0.568 0.629 0.612 0.675 0.463 | 0.661
----------------------------------------------------------------------
28 radial 0.289 0.222 0.366 0.273 0.299 0.192 *) | 0.274
28 cross 0.374 0.269 0.621 0.672 0.387 0.399 | 0.454
28 along 0.664 0.378 0.634 0.626 0.548 0.391 | 0.540
======================================================================
*): AS affected satellites have not been calculated for day 214
- GFZ06557.ERP
============
Solution identifier for ERP-Results:
* GPS week 650-653: ERP(GFZ)92G01-DDD
* since GPS week 654: ERP(GFZ)92G02-DDD
Please notice, that these two solutions are related to
different reference frames.
MJD x sigmax y sigmay
48829.5 -.0982 .0001 0.4363 .0002
48830.5 -.0961 .0003 0.4383 .0003
48831.5 -.0943 .0003 0.4405 .0002
48832.5 -.0927 .0003 0.4429 .0002
48833.5 -.0908 .0003 0.4444 .0003
48834.5 -.0876 .0003 0.4463 .0003
48835.5 -.0853 .0006 0.4482 .0007
- GFZ06557.CLK
============
The clock parameter file is avaibable at CDDIS.
The format of this file is described in the
IGS Message No. 55.
==============================================================================
>From: J.F. Zumberge
Subject: JPL analysis report
-------------------
Submitted by
J F Zumberge, G Blewitt, M B Heflin, D C Jefferson, F H Webb
all at the Jet Propulsion Laboratory, California Institute of Technology,
Pasadena, CA 91109.
The following files have been posted on BODHI (for access to BODHI contact
starr at logos.jpl.nasa.gov):
______________________________________________________________________________
filename contents
______________________________________________________________________________
jpl06577.sum This text file.
jpl06577.erp Earth rotation parameters for GPS week 657.
jpl06577.sp1 GPS ephemerides for GPS week 657, sp1 format.
jpl06577.sp3 " " " " " " , sp3 " .
______________________________________________________________________________
Cross-correlated data from Rogues operating when A-S is in effect have
noisy L2 due to a software bug in the receiver RAM manager which has been
isolated and is currently being fixed. Results for Sunday Aug 09 and
Saturday Aug 15 are therefore not included in the analysis for GPS week 657.
(The August 10 analysis reflects only the non-A-S portion of the day.)
In addition, this GPS week marks the first inclusion of PRN26 in JPL's
analysis. Because the motion of this satellite was poorly modeled for several
weeks following its launch, its data have been excluded until now.
So as not to affect the results of the other orbiters, we have deweighted its
data for this week. As verified by the Orbit Repeatability Table below,
PRN26 is now well modeled. In subsequent weeks we will weight its data normally.
JPL UTPM TABLE GPS week 657 (1992 Aug 10 - Aug 14)
MJD X Y UT1R-UTC XSIG YSIG UTSIG RMS XYC XUC YUC STA SAT PASS
'' '' sec '' '' sec
48844.5 -.07053 .46903 .00000 .00019 .00022 .00000 .0 .04 .00 .00
27 18 0
48845.5 -.06888 .47095 .00000 .00009 .00011 .00000 .0 .00 .00 .00
26 18 0
48846.5 -.06651 .47319 .00000 .00009 .00010 .00000 .0 .06 .00 .00
27 18 0
48847.5 -.06481 .47541 .00000 .00008 .00009 .00000 .0 .02 .00 .00
28 18 0
48848.5 -.06271 .47661 .00000 .00009 .00009 .00000 .0 .06 .00 .00
28 18 0
END UTPM TABLE
The following table indicates the 3-dimensional "orbit repeatability", as
defined in IGS Mail Message 37, for GPS week 657 (excluding Aug 9 and Aug 15):
JPL ORBIT REPEATABILITY TABLE GPS week 657 (1992 Aug 10 - Aug 14)
92 8 10 92 8 11 92 8 12 92 8 13 92 8 14
prn rms (m)
2 1.1 1.65 1.48 1.73 1.3
3 0.7 0.47 0.74 0.58 0.3
11 0.6 0.46 0.43 0.50 0.4
12 0.4 0.42 0.75 1.00 1.1
13 1.0 0.39 0.70 0.65 0.4
14 1.2 0.57 1.27 1.05 1.3
15 1.0 0.95 0.65 0.86 1.4
16 0.3 0.70 0.55 0.75 1.1
17 1.0 0.90 0.81 0.99 0.4
18 0.3 0.54 0.72 0.85 1.1
19 0.4 0.80 0.61 0.73 0.7
20 0.5 0.96 1.14 1.02 0.6
21 0.7 1.07 0.87 1.06 1.2
23 1.6 2.61 0.72 0.81 0.7
24 0.5 0.54 0.63 0.98 1.1
25 1.0 0.87 0.81 0.60 0.3
26 1.3 2.17 0.96 1.14 1.1
28 0.4 1.00 0.77 0.76 0.5
END ORBIT REPEATABILITY 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
92 8 10 92 8 11 92 8 12 92 8 13 92 8 14
prn rms (m)
2 6.4 6.6 11.9 10.0 6.5
3 10.2 9.8 10.4 15.5 12.7
11 10.1 6.5 6.9 6.6 6.1
12 16.4 13.9 8.2 14.7 21.3
13 7.2 5.9 7.4 5.7 6.2
14 8.4 6.7 6.1 5.6 9.2
15 5.4 5.6 5.0 7.1 9.2
16 8.4 10.3 7.6 6.9 6.5
17 6.3 5.8 4.6 5.0 6.8
18 12.6 11.3 9.7 9.1 7.4
19 3.4 3.2 5.0 5.3 4.1
20 4.4 4.1 3.8 5.3 4.1
21 7.2 5.9 4.9 4.7 5.1
23 5.0 5.0 7.0 7.6 4.6
24 12.1 16.2 13.4 13.7 13.4
25 7.3 9.5 9.0 6.2 6.1
26 4.2 4.3 4.0 4.4 4.3
28 3.6 3.1 3.2 3.2 3.4
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES
==============================================================================
Message inbox:191 - Read
>From: IERS CB
Subject: EARTH ORIENTATION Bulletin numero 5 - 26 August 1992-
----------------------------------------------------
*******************************************
* *
IGS'92 EARTH ORIENTATION BULLETIN 5
* *
*******************************************
26 AUGUST 1992
1 - EARTH ORIENTATION PARAMETERS (IERS/CB evaluation) : EOP(IERS) 90 C 04
Date MJD x y UT1-UTC
1992 0.0001" 0.00001s
(0h UTC)
JUL 20 48823 -1152.0 4202.0 41826.8
JUL 21 48824 -1126.0 4227.0 41671.5
JUL 22 48825 -1103.0 4250.0 41517.3
JUL 23 48826 -1081.0 4273.0 41368.8
JUL 24 48827 -1061.0 4294.0 41229.3
JUL 25 48828 -1041.0 4314.0 41097.9
JUL 26 48829 -1021.0 4334.0 40974.1
JUL 27 48830 -1001.0 4353.0 40854.1
JUL 28 48831 -981.0 4372.0 40727.8
JUL 29 48832 -962.0 4390.0 40586.9
JUL 30 48833 -943.0 4408.0 40421.8
JUL 31 48834 -924.0 4427.0 40233.5
AUG 1 48835 -904.0 4451.0 40027.0
AUG 2 48836 -883.0 4477.0 39811.1
AUG 3 48837 -862.0 4501.0 39600.2
AUG 4 48838 -843.0 4525.0 39404.3
AUG 5 48839 -824.0 4545.0 39229.4
AUG 6 48840 -805.0 4560.0 39074.5
AUG 7 48841 -786.0 4578.0 38937.4
AUG 8 48842 -766.0 4597.0 38811.6
AUG 9 48843 -745.0 4617.0 38692.5
AUG 10 48844 -725.0 4639.0 38571.7
AUG 11 48845 -705.0 4662.0 38445.0
AUG 12 48846 -686.0 4685.0 38306.4
AUG 13 48847 -667.0 4707.0 38153.2
AUG 14 48848 -647.0 4728.0 37985.7
AUG 15 48849 -626.0 4747.0 37807.3
AUG 16 48850 -605.0 4764.0 37622.1
AUG 17 48851 -582.0 4778.0 37435.8
AUG 18 48852 -560.0 4791.0 37256.0
2 - INDIVIDUAL SERIES OF EARTH ORIENTATION PARAMETERS
The series listed hereafter,obtained by the IGS Processing Centres,
are described in the IGS'92 Earth Orientation Bulletin number 2 and
in the IGSMail Messages .
Note : AS (antispoofing) was activated on several satellites on
August 1, 2, 3, 8 and 9.
2 -a - EOP(CODE) 92 P 02
Units : 0.0001" for x,y, 0.00001s for UT1.
Date Uncertainties
1992 MJD x y UT1-UTC Passes Span x y
UT1-UTC
hours
JUL 25 48828.50 -1031.5 4327.4 41113.4 72.0 1.0 1.2 0.6
JUL 26 48829.50 -1000.0 4333.9 40938.7 72.0 0.9 1.1 0.7
JUL 27 48830.50 -981.4 4354.6 40808.7 72.0 0.8 0.9 0.6
JUL 28 48831.50 -975.3 4390.2 40664.7 72.0 0.9 1.0 0.6
JUL 29 48832.50 -938.9 4409.8 40510.4 72.0 1.0 1.0 0.6
JUL 30 48833.50 -941.6 4413.5 40334.3 72.0 1.0 1.1 0.6
JUL 31 48834.50 -913.4 4433.0 40138.0 72.0 1.0 1.0 0.6
AUG 1 48835.50 -883.5 4483.1 39930.2 72.0 1.6 1.5 0.9
AUG 2 48836.50 -875.3 4495.1 39718.1 72.0 1.7 1.5 1.0
AUG 3 48837.50 -836.3 4515.3 39536.2 72.0 1.1 1.2 1.2
AUG 4 48838.50 -827.8 4544.1 39375.8 72.0 0.8 0.7 0.8
AUG 5 48839.50 -805.5 4561.0 39226.8 72.0 0.9 0.8 0.5
AUG 6 48840.50 -792.8 4570.1 39094.3 72.0 0.9 0.7 0.5
AUG 7 48841.50 -775.1 4592.8 38972.1 72.0 0.7 0.7 0.5
AUG 8 48842.50 -746.3 4628.1 38854.8 72.0 1.5 1.6 0.9
2 -b - EOP(CSR) 92 P 01
Units : 0.0001" for x,y, 0.00001s for UT1.
A recent description of this analysis can be found in IGSMail 78.
Date Uncertainties
1992 MJD x y UT1-UTC Passes Span x y
UT1-UTC
hours
JUL 26 48829.50 -1003.4 4383.4 391 1.8 1.8
JUL 27 48830.50 -981.4 4401.5 429 1.6 1.6
JUL 28 48831.50 -962.8 4417.9 379 1.9 1.9
JUL 29 48832.50 -943.3 4446.9 371 2.3 2.6
JUL 30 48833.50 -920.8 4461.4 422 1.6 1.6
JUL 31 48834.50 -903.0 4483.7 427 1.6 1.6
AUG 1 48835.50 -840.5 4506.9 252 17.5 26.0
AUG 2 48836.50 -828.9 4564.2 227 28.0 35.5
AUG 3 48837.60 -842.9 4567.9 335 15.0 15.0
AUG 4 48838.50 -821.6 4568.7 483 1.3 1.3
AUG 5 48839.50 -792.4 4589.7 504 1.3 1.2
AUG 6 48840.50 -794.2 4612.7 486 1.4 1.7
AUG 7 48841.50 -769.2 4629.8 403 1.6 2.2
AUG 8 48842.50 -725.6 4689.8 244 24.5 39.0
2 -c - EOP(ESOC) 92 P 01
Units : 0.0001" for x,y, 0.00001s for UT1.
A recent description of this analysis can be found in IGSMail 78.
Date Uncertainties
1992 MJD x y UT1-UTC Passes Span x y
UT1-UTC
hours
AUG 1 48835.50 -859.3 4450.6 24.0 3.3 3.6
AUG 2 48836.50 -866.9 4495.0 24.0 1.9 2.4
AUG 3 48837.50 -842.7 4561.5 24.0 2.4 2.9
AUG 4 48838.50 -845.5 4548.4 24.0 2.9 3.3
AUG 5 48839.50 -804.6 4571.5 24.0 3.2 3.0
AUG 6 48840.50 -782.5 4592.1 24.0 3.3 2.7
AUG 7 48841.50 -749.0 4588.9 24.0 3.7 3.9
AUG 8 48842.50 -714.1 4626.0 24.0 2.0 2.3
AUG 9 48843.50 -728.9 4654.4 24.0 2.7 2.9
AUG 10 48844.50 -700.1 4711.4 24.0 2.1 2.1
AUG 11 48845.50 -699.4 4729.8 24.0 3.4 3.1
AUG 12 48846.50 -642.5 4726.3 24.0 2.1 2.0
AUG 13 48847.50 -630.1 4738.7 24.0 2.2 2.3
AUG 14 48848.50 -602.8 4748.0 24.0 2.9 2.6
AUG 15 48849.50 -601.3 4783.4 24.0 2.7 3.0
2 -d - EOP(GFZ) 92 P 01
Units : 0.0001" for x,y, 0.00001s for UT1.
A recent description of this analysis can be found in IGSMail 66.
Date Uncertainties
1992 MJD x y UT1-UTC Passes Span x y
UT1-UTC
hours
JUL 19 48822.50 -1142.0 4225.0 3.0 3.0
JUL 20 48823.50 -1121.0 4256.0 3.0 3.0
JUL 21 48824.50 -1090.0 4273.0 3.0 3.0
JUL 22 48825.50 -1070.0 4290.0 4.0 3.0
JUL 23 48826.50 -1067.0 4311.0 4.0 4.0
JUL 24 48827.50 -1041.0 4329.0 3.0 3.0
JUL 25 48828.50 -1004.0 4343.0 3.0 3.0
2 -e - EOP(JPL) 92 P 02
Units : 0.0001" for x,y, 0.00001s for UT1.
A recent description of this analysis can be found in IGSMail 75.
Date Uncertainties
1992 MJD x y UT1-UTC Passes Span x y
UT1-UTC
hours
JUL 26 48829.50 -994.6 4361.4 0.9 1.1
JUL 27 48830.50 -981.6 4374.2 0.8 0.9
JUL 28 48831.50 -961.4 4394.7 1.0 1.1
JUL 29 48832.50 -941.6 4412.7 0.9 1.0
JUL 30 48833.50 -924.9 4435.6 0.9 0.9
JUL 31 48834.50 -902.9 4457.0 0.8 0.9
AUG 3 48837.50 -840.2 4526.1 1.8 2.1
AUG 4 48838.50 -818.0 4544.3 0.8 0.9
AUG 5 48839.50 -799.9 4563.3 0.8 0.9
AUG 6 48840.50 -780.7 4581.2 0.9 0.9
AUG 7 48841.50 -762.7 4604.1 0.9 1.0
2 -f - EOP(SIO) 92 P 03
Units : 0.0001" for x,y, 0.00001s for UT1.
A recent description of this analysis can be found in IGSMail 78.
Date Uncertainties
1992 MJD x y UT1-UTC Passes Span x y
UT1-UTC
hours
AUG 1 48835.50 -891.5 4490.7 18 4.6 5.1
AUG 2 48836.50 -873.1 4511.8 10 3.9 5.3
AUG 3 48837.50 -840.7 4523.9 18 2.1 2.5
AUG 4 48838.50 -817.8 4558.8 18 1.2 1.2
AUG 5 48839.50 -800.6 4577.4 18 1.2 1.3
AUG 6 48840.50 -778.4 4592.7 18 1.2 1.2
AUG 7 48841.50 -761.4 4614.0 18 1.3 1.4
AUG 8 48842.50 -749.0 4639.5 17 4.7 4.6
AUG 9 48843.50 -725.3 4665.4 8 3.6 4.1
AUG 10 48844.50 -707.1 4692.4 18 3.2 2.7
AUG 11 48845.50 -683.1 4723.3 18 1.7 2.1
AUG 12 48846.50 -666.8 4741.1 18 1.4 1.4
AUG 13 48847.50 -646.0 4765.3 18 1.3 1.3
AUG 14 48848.50 -624.1 4780.2 18 1.3 1.3
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