[IGSREPORT-17594] Wk 1538 IGS Final Orbits

Jim Ray IGS.ACC at noaa.gov
Thu Jul 16 05:39:02 PDT 2009


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IGS Electronic Report   16 Jul 05:39:24 PDT 2009      Message Number 17594
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Author:  AC Coordinator / NOAA NGS

sum-file Version 2.0
Final IGS Orbit Combination - Week 1538   (Jun 28, 2009 - Jul 04, 2009)

Contacts: J. Ray       (jim.ray at noaa.gov),
          J. Griffiths (jake.griffiths at noaa.gov)


COMBINATION STRATEGY:
---------------------

Starting with GPS week 860, the IGS Final orbit combination is done directly
in the ITRF without any alignment to the Bulletin B EOP series.

Each centre satellite clock corrections are first transformed to a common 
reference. One of the following two methods can be used (the REMARKS section of
this report gives which method is used):
[1] For each centre, a clock offset and a drift are estimated with respect to
    the broadcast clock corrections using only non-SA satellites;
[2] A chosen reference centre is aligned to the broadcast clock corrections
    using all satellites. All other centres are then aligned to that reference
    centre. 
The offsets and drifts are used to align each centre satellite clock
corrections to GPS time. Ephemerides and clock corrections are then combined
as weighted averages computed over all centres. Each centre is given a
position weight and a clock weight. The position weights are computed from
each centre's absolute deviation to the unweighted average orbit after the
estimation of a 7-parameter Helmert transformation. The clock weights are
either computed from [1] the absolute deviation of the initial alignment to
broadcast clock for the non-SA satellites, or [2] from the absolute deviation
of centre's aligned clock corrections with respect to the unweighted mean.
Finally, a 7-parameter Helmert transformation and clock offset and drift are
estimated for each centre with respect to the combined solutions and parameters
and RMS of fit reported. All the above estimations are performed using the
L1-norm robust scheme.

  Each centre ephemerides are also evaluated individually and independently from
the orbit combination by using week long arcs. The Earth Orientation Parameters
(EOP) used in this evaluation are those submitted by the respective centres.
The IGS combined orbits/clocks and all centres providing both orbit and clock 
solutions are further evaluated by an independent point positioning (navigation)
program that uses both phase and pseudorange data. This is primarily intended 
for testing clock solution precision as well as the orbit/clock consistency.

 Like the clock solutions broadcast in the navigation message, the combined
satellite clocks are corrected for the periodical relativistic correction (see
e.g. GPS interface Control document ICD-GPS-200, p.73):

                              -2*(X.V)/c  [distance unit],

where X and V are the inertial sv state and velocity vectors and c is the speed
of light. Also for compatibility, no satellite L1/L2 delay calibration should be
applied.


SOFTWARE:
---------

The weighted average software used was originally developed by T. Springer
and G. Beutler in 1993. The GPS long arc orbit analysis software used here for
individual centre ephemeris evaluation was developed by Beutler et al. at the
Astronomical Institute of the University of Bern (AIUB). For more details on
the orbit combination and complete references for both software see:

  Beutler G., Kouba J. and T. Springer, 1995, Combining the orbits of the IGS 
  Analysis Centers, Bulletin Geodesique, 69, pp 200-222.

  Kouba J., Mireault Y. and F. Lahaye, 1995, 1994 IGS Orbit/Clock Combination
  and Evaluation, Appendix I of the Analysis Coordinator Report, International
  GPS Service for Geodynamics (IGS) 1994 Annual Report, pp. 70-94.

  Kouba J. and Y. Mireault, 1996, IGS Analysis Coordinator Report, 
  International GPS Service for Geodynamics (IGS) 1995 Annual Report, 
  pp. 45-76.

  Kouba J. and Y. Mireault, 1997, Analysis Coordinator Report, 
  International GPS Service for Geodynamics (IGS) 1996 Annual Report, 
  pp. 55-100.


PRODUCTS GENERATED:
-------------------

The resulting average ephemeris and clocks are output to daily files in SP3
format. The satellite accuracy codes displayed in the header are based on the
weighted RMS for each satellite. Note that each file contains all the
satellites that appear in any of the centre ephemeris files. If a satellite or
centre was excluded from combination, a note in the REMARKS section of this
report will identify the exclusion and the reason.

  The resulting x and y earth rotation parameters (ERP) associated with the IGS
ephemeris files and their rates (xrt, yrt) are computed using a weighted average
of all available centres (weights are those from the orbit combination). 
Pole rate combination uses only centres providing estimated pole rates.

  Starting with GPS wk 0894, IGS LOD combinations were implemented in the 
Final IGS solutions.  AC LOD biases with respect to Bulletin A are estimated
using Bulletin A most recent 3 weeks (21 days), i.e. up to 5 days prior to
the last non-predicted day of Bulletin A.  AC LOD biases are removed and the
new AC bias-free LODs are used to compute a weighted IGS LOD which in turn
is integrated into IGS UT1-UTC. The starting UT1-UTC value is chosen as
Bulletin A fifth day prior to its last non-predicted day. Both IGS LOD and 
UT1-UTC values are printed in the IGS Final erp file.



The Final Orbit files generated and uploaded into CDDIS @ NASA/GSFC are:

igs1538[0-6].sp3  IGS GPS ephemeris files in SP3 format.
igs1538[0-6].clk  IGS GPS satellite and station clocks in SP3 format.
igs1538[0-6].cls  IGS GPS clock combination summary report.
igs15387.erp      Earth Rotation Parameters (ERP) and their rates as well as
                  Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                  with IGS ephemerides.
igs15387.sum      Complete report.

    
REMARKS concerning the IGS Orbit Combination:                                  
---------------------------------------------

 1. The centres used in the clock combination are COD, EMR, ESA, GFZ, MIT, and
    JPL. The other centres are excluded because they either provide broadcast
    clocks (NGS) or clock corrections are not provided (SIO).  The clock
    information not used is still compared to combination for completeness.  
    The value of 999999.999999 microseconds, according to the sp3 format 
    convention, is used to signify that no clock solution is available and 
    therefore must not be used.

 2. Rapid (IGR) orbits/clocks are included in the combination for statistics only.
    Starting week 1478, a new solution from CNES/GRGS (GRG) is included for
    evaluation and statistics only.

 3. The following centre clock solutions, which provide broadcast clock
    corrections, were excluded from the combination but kept in the combination
    statistics:
             -> Centre: NGS 

 4. The following clock solutions were excluded from the combination because they
    were biasing the combined clock solutions (clock shifts/outliers) but were
    kept for the RMS computation.  Duplicate entries can arise due to separate
    combination runs for the 30-s clocks ACs (listed first) and the 5-min clock
    ACs (listed second).
    
               Day | Centre | PRN/STA list
               ----+--------+---------------
                0  |  EMR   | 32 32 WTZR
                0  |  GFZ   | 7 15 32 AUCK BOR1 CHUR FAA1 NANO
                0  |  GRG   | ONSA
                0  |  JPL   | 32 UNSA
                0  |  MIT   | HOB2
                1  |  ALL   | 1 1
                1  |  EMR   | MIZU
                1  |  ESA   | 32 YELL
                1  |  GFZ   | 7 15 32 AUCK
                1  |  GRG   | ONSA
                1  |  JPL   | 32
                1  |  MIT   | 25 25 YELL YELL
                2  |  ALL   | 1 1
                2  |  EMR   | 32 32 MIZU
                2  |  ESA   | 27 HOFN
                2  |  GFZ   | 7 15 21 27 29 ALIC AREQ AUCK BAN2 BRAZ CHUR DARW
                2  |  GFZ   | HARB HOB2 MAW1 TOW2 UNSA WTZR YAR2
                2  |  GRG   | BRAZ DAV1 ONSA
                2  |  JPL   | 27 30
                2  |  MIT   | 27 30 27 30
                3  |  ALL   | 1
                3  |  COD   | NANO
                3  |  EMR   | 32 32 YAR2
                3  |  ESA   | DAV1 UNSA
                3  |  GFZ   | 7 15 29 BAN2
                3  |  GRG   | DAV1 ONSA
                3  |  JPL   | 30 IRKJ
                3  |  MIT   | 15 17 19 15 17 CEDU
                3  |  NGS   | 1
                4  |  ALL   | 1 1
                4  |  COD   | 30 30
                4  |  EMR   | 32 32 MIZU
                4  |  ESA   | UNSA
                4  |  GFZ   | 7 15 16 29 ALIC BAN2 CHUR DARW TOW2
                4  |  GRG   | DAV1 IRKJ ONSA
                4  |  JPL   | 30 32
                5  |  ALL   | 1
                5  |  COD   | 30 30
                5  |  EMR   | 32 32 WTZR AREQ HARB WTZR
                5  |  ESA   | 30
                5  |  GFZ   | 7 12 15 29 30 ALIC BAN2 CHUR DARW MAW1 TOW2 UNSA
                5  |  GRG   | DAV1 MCM4 ONSA
                5  |  JPL   | 32 DAV1
                5  |  MIT   | 1 KHAJ
                6  |  COD   | 1 30 1 30
                6  |  EMR   | WTZR MIZU WTZR
                6  |  ESA   | 1 30
                6  |  GFZ   | 7 15 29 32 ALIC BAN2 CAS1 CHAT CHUR DARW HOFN MAW1
                6  |  GFZ   | TOW2 UNSA
                6  |  GRG   | MCM4 ONSA TWTF
                6  |  JPL   | 32
                6  |  MIT   | HRAO

 5. Starting on 5-Nov-2006 (GPS Week 1400, day 0, MJD 54044) all IGS products,
    including the IGS combined orbits, are based on the IGS realization of the
    ITRF2005 reference frame (IGS05).   For more information see IGSMAIL #5447.

 6. Small rotations were applied to the all AC orbit and ERP values in order
    to align them to the IGS05. These rotations were estimated in the process
    of the IGS SINEX combination, performed at NRCan by Remi Ferland, are based 
    on the common stations between the individual AC SINEX solutions and the 
    IGS05.snx SINEX. The estimated 7 transformations, from which only 
    the 3 rotations are applied to the orbit and ERP values, are:
    
            |    DX     DY     DZ      RX     RY     RZ     SCL
     Centre |   [mm]   [mm]   [mm]   [uas]  [uas]  [uas]   [ppb]
     -------+---------------------------------------------------
       COD  |     .6     .6     .6     -15    -23     -7    -.22
       EMR  |   12.4  -10.9   -6.5      62      6     51    -.31
       ESA  |    5.5    -.4    9.9       9    -34     23    -.07
       GFZ  |     .1    1.1    1.8      17      0      5    -.41
       GRG  |    5.7     .0    1.4     -19     -6     14     .05
       JPL  |    4.4   -7.1   -3.0       8      1      3     .03
       MIT  |    5.8   -9.4   14.3       0     34    -29    -.28
       NGS  |    9.6   -8.3   12.5     -75    -73      7    -.33
       SIO  |    3.8   -7.0   -4.0    -114    -77     -4    -.03


 7. Starting on 22-Oct-2000 (GPS Week 1085-0; mjd=51839) all IGS clock products
    are based on the new  clock combination  scheme which uses  the clock RINEX
    files as input if available, otherwise SP3 clocks are used. 
    The navigation solution is still based on the SP3 clocks but this will soon
    adopt the clock RINEX files as well.

 8. Starting on 27-Feb-2000 (GPS Week 1051-0; MJD 51601) the IGS final products
    are aligned to the IGS reference frame products (station coordinates and
    ERPs as generated by NRCan. For more information see IGSMAIL #2750.
    Because of this  change in alignment Table 2 has been enhanced with one 
    additional line per AC. This additional line shows the X- and Y-rotations 
    which were applied to each of the AC orbits prior to the orbit combination. 
    These rotations are based on the difference between the individual AC ERP 
    estimates and the IGS reference frame ERP product. The total rotation of
    the individual AC orbits w.r.t. the IGS combined orbit is the sum of the
    values in the two lines of Table 2 plus the reference frame rotation.

 9. Starting on 5-Nov-2006 (GPS Week 1400, day 0, MJD 54044) the absolute antenna
    model is introduced (IGSMAIL #5272). The antenna phase center offsets and
    phase center variations are given in the file:
        ftp://igscb.jpl.nasa.gov/pub/station/general/igs05.atx

    
ORBIT COMBINATION AND EVALUATION STATISTICS:                                    
--------------------------------------------                                    
      
Most combination statistics are with respect to the  combined orbits and
consist of five parts. The first, Table 1, summarizes all statistics for
the week.  It contains  means and standard deviations  over the week  of
satellite ephemeris and  clock correction transformation parameters  for
each centre (table 1.1538.a). It also displays the computed satellite
position sigmas for the combined orbits (table 1.1538.b).
The second part, Table 2, contains the complete ephemeris and clock
correction transformation parameters (includes both the apriori and a
posteriori values) for each centre and each day (tables 2.1538.[0-6]).
The third part, Table 3, contains two types of daily RMS for each satellite
and centre, along with the computed satellite position sigmas for the
combined orbits (tables 3.1538.[0-6]). The first type of satellite RMS is
based on orbit combination and the second RMS type is a result of the 7-day
arc evaluation of each centre ephemerides. The fourth part, Table 4, is a
weekly summary of the daily precise navigation summaries for centres
providing both orbit and clock solutions.  It contains weekly station RMS
w.r.t. the initial coordinates for the Latitude, Longitude and Height 
components for up to three IGS stations (table 4.1307). The fifth and final
part, Table 5, is similar to Table 4 and contains daily precise navigation
statistics (tables 5.1538.0-6).

In tables 1-3, the most important statistic which is meaningful for intra
centre/satellite analysis is labeled WRMS. It is a weighted RMS where
normalized weights are based on accuracy codes given in the SP3 files, and
should not be affected by downweighted/problem satellites when acknowledged
by individual centres in their SP3 file.
                                                                               

             
Table 1: Week 1538 summary.                       (Jun 28, 2009 - Jul 04, 2009)

Table 1.1538.a   GPS week: 1538   MJD: 55010.000-55016.000

         Mean and standard deviations of transformation parameters to the 
         combined IGS orbit.
         WRMS - orbit RMS weighted by the SP3 header accuracy codes.
         STA  - Mean number of stations in the daily solutions.
   
CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  236|    0     0     0     3    15   -34  -.11    8    7 |    -232    -923     16     69
        |    0     0     1    13     8    24   .02           |     603     782
emr   76|    3    -1    -4  -147   -14   -20   .39   17   17 |    3894    -698     17    103
        |    1     1     2    25    23    17   .04           |    1135    1456
esa  123|    0     0     1   -41    -2     0   .35    9    8 |   -1251    1023     19    142
        |    1     0     1    17    43     9   .02           |    1042    1322
gfz  191|    1     0     3   -63   -41   113  -.10   10   10 |     227     -87     24    185
        |    0     1     1    10    11    73   .03           |     287     413
grg  109|    1     0    -4    -2    14   -76  1.06   33   30 |     128    -186     81    205
        |    1     1     2    35    19    67   .10           |     434     610
igr  n/a|   -1     0    -1    -9   -31   -50   .04    5    5 |   25351    -444     19     86
        |    0     0     0    18    10    25   .01           |    1068    1472
jpl  130|    0     2   -11   -49   -30    16   .56   17   16 |    3768    -788     17     93
        |    0     0     1    22    10    41   .04           |    1193    1463
mit  259|    0    -1     1   -20  -109   -35  -.26   10    9 |   -9501    3193     22    170
        |    0     1     0    28    19    27   .02           |    9324    8890
ngs  211|   -1     0     1   148   125   -44  -.30   12    9 |    8020   -4153   2093   3722
        |    0     1     1    35    39    13   .05           |    8036    7679
sio  261|   -2     0     1   234   132   -23  -.22   18   18 |     ---     ---    ---    ---
        |    0     1     1    41    33    24   .03           |     ---     ---


Table 1.1538.b   GPS week : 1538   MJD: 55010.000-55016.000   

         Satellite position sigmas for the combined orbits
         (coded in the IGS SP3 orbit files).
         "E" flags eclipsing satellites.
         Units: mm.

              Day of GPS week
 PRN  |    0    1    2    3    4    5    6 |  Remarks
------+------------------------------------+------------------------------------------
   1  |    0   17   16   14   10   13   12 |
   2  |    5    4    4    4    4    5    5 |
   3  |    4    4    4    4    4    4    4 |
   4  |    4    4    4    3    3    4    4 |
   6  |    4    3    4    4    3    3    4 |
   7  |    5    5    5    5    4    4    5 |
   8  |    5    4    4    3    3    3    4 |
   9  |    5    4    4    5    4    4    5 |
  10  |    7    7    5    5    5    5    5 |
  11  |    4    4    5    4    4    4    4 |
  12  |    6    5    6    5    6    6    5 |
  13  |    5    5    5    5    5    4    4 |
  14  |    5    4    5    4    4    4    4 |
  15  |    5    5    5    5    5    5    6 |
  16  |    5    5    5    4    4    4    4 |
  17  |    6    5    6    6    6    6    5 |
  18  |    5    5    5    4    4    5    5 |
  19  |    5    5    5    5    4    4    4 |
  20  |    4    5    5    4    4    5    4 |
  21  |    5    4    4    4    4    4    4 |
  22  |    5    4    4    4    4    3    4 |
  23  |    6    5    5    5    5    5    5 |
  24  |    4    4    3    4    3    4    4 |
  25  |    9    8    7    7    4    4    4 |
  26  |    4    4    4    3    3    4    4 |
  27  |    4    4    4    4    4    4    4 |
  28  |    5    5    4    5    4    4    5 |
  29  |    5    5    5    5    5    6    5 |
  30  |    6    5    6    6    6    6    6 |
  31  |    5    5    5    4    5    4    4 |
  32  |    6    6    6    6    6    5    7 |



Table 2: Daily transformation of each centre to the combined IGS orbit and
         clocks for each day of the week. The transformation displayed is the
         sum of a priori and estimated transformations.
         WRMS - RMS weighted by the centres SP3 header accuracy codes.
         STA  - Number of stations in the daily solutions.
   
Table 2.1538.0   GPS week: 1538   Day: 0   MJD: 55010.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  236|    0     0     0    -1     3   -63  -.09   10    8 |    -320    -637     22     77
        |                     38    16                       |
emr   76|    2     0    -6  -123    -7   -45   .35   18   18 |    3834    -827     17     90
        |                    -13   -78                       |
esa  123|    1     0     0   -65    19    -9   .33    9    8 |    -468   -1056     20    112
        |                     63    22                       |
gfz  191|    0     1     3   -70   -55   209  -.16   10   10 |     410    -471     26    117
        |                     25    25                       |
grg  109|    1     2    -1     0     3  -222  1.02   32   30 |      44    -137     78    220
        |                    -26    33                       |
igr  n/a|    0     0     0    -4   -43   -74   .06    5    5 |   24606    -250     20     63
        |                    -46     5                       |
jpl  130|    0     3   -11   -72   -30   -63   .47   17   17 |    3802    -538     18     83
        |                     24   -18                       |
mit  259|   -1    -3     2   -20  -101   -66  -.23   12   11 |     -27    -104     24    146
        |                      4    30                       |
ngs  211|   -2    -1     1   216   108   -31  -.30   14   12 |    -240    -679   2060   3496
        |                   -108    46                       |
sio  261|   -2    -1     0   239   181   -56  -.21   20   18 |     ---     ---    ---    ---
        |                   -132   -79                       |

Table 2.1538.1   GPS week: 1538   Day: 1   MJD: 55011.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  236|    0     0    -2    10     8   -47  -.14    9    8 |     -50    -751     20     71
        |                    -24    12                       |
emr   76|    1     0    -6  -133   -18   -31   .35   17   17 |    3606     257     16    112
        |                      9   -50                       |
esa  123|    0     1     4   -13     5    14   .33    8    7 |   -2395    2880     18    139
        |                      1     2                       |
gfz  191|    2     0     6   -46   -41   132  -.09   10   10 |    -150     544     23    149
        |                      7    29                       |
grg  109|    2     0    -5    42     4   -64   .95   33   31 |    -108     352     77    209
        |                    -58    29                       |
igr  n/a|   -1     0    -1   -25   -40   -41   .04    6    5 |   25045     527     19     78
        |                      2   -28                       |
jpl  130|    0     0   -12   -61   -13    30   .54   18   18 |    4039     234     17     98
        |                     21    10                       |
mit  259|    0    -1     0   -61   -79   -47  -.26   11   10 |  -15036    -356     22    193
        |                     17    29                       |
ngs  211|    0    -1     0   165   100   -54  -.33   12    9 |   16008    -669   2438   3818
        |                    -62   -59                       |
sio  261|   -2    -1    -1   190   160   -20  -.23   19   19 |     ---     ---    ---    ---
        |                   -108   -47                       |

Table 2.1538.2   GPS week: 1538   Day: 2   MJD: 55012.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  236|    1     0     0   -10    10   -51  -.10    8    7 |      45   -1086     15     72
        |                     70   -33                       |
emr   76|    2     0     0  -187   -48   -40   .34   17   17 |    4087      31     17    101
        |                     54    -4                       |
esa  123|    0     0     0   -48    28     0   .37    9    9 |   -2030    1950     18    144
        |                     28    -5                       |
gfz  191|    0     0     1   -58   -42   205  -.08   11   11 |     291    -386     24    178
        |                     64   -13                       |
grg  109|    3    -2    -3   -46    55   -31   .93   35   34 |     163    -122     83    194
        |                     48   -16                       |
igr  n/a|   -1     0     0   -23   -10   -82   .04    6    6 |   25836      -4     21    100
        |                    -31   -61                       |
jpl  130|    0     3    -9   -73   -19    30   .54   17   16 |    4459    -372     16    100
        |                     49     1                       |
mit  259|    0     0     2    21  -123   -76  -.29   11   10 |  -15500     594     21    164
        |                     -3    39                       |
ngs  211|    0    -2     0   124    93   -43  -.35   11    9 |    8223    -175   2006   3816
        |                    -48   -39                       |
sio  261|   -2     0     0   305   132   -50  -.27   18   18 |     ---     ---    ---    ---
        |                   -132   -55                       |

Table 2.1538.3   GPS week: 1538   Day: 3   MJD: 55013.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  236|    0     0    -2    29    12   -44  -.10    8    8 |    -280   -1500     21     88
        |                    -27    -7                       |
emr   76|    4    -1    -3  -169   -37    -3   .42   18   18 |    5040   -2108     19    104
        |                     47   -42                       |
esa  123|    0     0     2   -24    54    -5   .37    8    8 |    -899    -112     21    171
        |                     19    -2                       |
gfz  191|    0     0     3   -63   -50    99  -.14    9    9 |     560    -494     25    226
        |                      9    -4                       |
grg  109|    0     0    -1    48    11   -40  1.05   35   32 |     618   -1187     80    212
        |                    -59    11                       |
igr  n/a|   -1     0    -2    26   -34   -70   .04    5    5 |   26457   -2251     21     72
        |                    -74   -30                       |
jpl  130|    0     1   -11    -9   -33    57   .59   17   16 |    4907   -2523     17    101
        |                    -30     7                       |
mit  259|    0     0     1   -45  -101   -22  -.27    9    8 |  -15286    -805     34    247
        |                     16    35                       |
ngs  211|   -2     0     0   138    90   -57  -.27   12   10 |   13296   -2941   2178   3694
        |                    -60   -10                       |
sio  261|   -1     0     2   210   135   -31  -.23   17   17 |     ---     ---    ---    ---
        |                   -122   -47                       |

Table 2.1538.4   GPS week: 1538   Day: 4   MJD: 55014.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  236|    0     0    -1    -3    27     6  -.11    7    7 |   -1502     612     11     52
        |                     49   -37                       |
emr   76|    5    -4    -4  -145   -12   -10   .45   17   17 |    3532     -65     17    122
        |                     29   -35                       |
esa  123|    0     0     2   -45   -34   -10   .35    7    7 |   -1914     927     20    147
        |                    -10    41                       |
gfz  191|    0     0     2   -81   -49    72  -.09   10   10 |    -144     377     25    232
        |                     42    -8                       |
grg  109|    2    -1    -7   -30    16   -56  1.11   33   29 |    -510     285     90    200
        |                     55    13                       |
igr  n/a|   -1     0     0   -19   -33   -41   .05    5    5 |   24838     149     19     91
        |                    -31   -24                       |
jpl  130|    0     1   -11   -50   -30    11   .57   17   16 |    3121    -235     16     93
        |                     33    24                       |
mit  259|    0     0     0     1  -109   -14  -.25   10    9 |  -21288   23324     20    167
        |                     12    16                       |
ngs  211|   -1     0     4   104   127   -58  -.34   10    8 |   18355  -21446   1994   3770
        |                     23   -10                       |
sio  261|   -1     0     2   272   127    -5  -.23   17   17 |     ---     ---    ---    ---
        |                   -144   -53                       |

Table 2.1538.5   GPS week: 1538   Day: 5   MJD: 55015.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  236|    1     0    -1    -7    23   -13  -.10    7    7 |     301   -1727     13     70
        |                     26    -5                       |
emr   76|    3    -1    -3  -155     8   -11   .38   18   18 |    5308   -3159     17     93
        |                     25   -68                       |
esa  123|    0     0     2   -39   -75     0   .33    9    9 |     564     827     20    151
        |                     13    81                       |
gfz  191|    2     1     2   -61   -22    53  -.08    9    9 |     474    -169     23    213
        |                     36   -20                       |
grg  109|    0    -2    -8   -17    14   -91  1.23   30   28 |     749    -843     80    203
        |                      9    -9                       |
igr  n/a|    0     0    -2   -21   -30   -31   .03    5    5 |   26836   -2657     20    101
        |                    -42   -10                       |
jpl  130|    0     2   -12   -41   -43    -5   .61   17   17 |    4632   -3059     18     84
        |                     23    58                       |
mit  259|    0     0     1    -8  -106   -14  -.25    9    8 |     705    -633     20    143
        |                     14    20                       |
ngs  211|    0    -1     4   137   159   -35  -.24   11    8 |     291   -1749   1913   3814
        |                    -68   -54                       |
sio  261|   -3     0     2   225   114    -8  -.17   17   16 |     ---     ---    ---    ---
        |                   -122   -45                       |

Table 2.1538.6   GPS week: 1538   Day: 6   MJD: 55016.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  236|    0     0     0     8    20   -29  -.14    8    7 |     182   -1374     14     56
        |                     26   -46                       |
emr   76|    3    -1    -3  -118    14    -2   .42   17   17 |    1852     982     20    104
        |                     -5   -78                       |
esa  123|   -1     0     1   -51   -17     9   .38   10   10 |   -1620    1748     21    136
        |                     10    53                       |
gfz  191|    1    -1     3   -64   -31    21  -.09   10   10 |     149     -14     22    185
        |                     23   -30                       |
grg  109|   -1     0    -6   -14    -1   -31  1.09   31   29 |     -55     348     85    203
        |                    -43   -59                       |
igr  n/a|    0     0    -1     2   -25   -15   .04    5    5 |   23841    1376     19     98
        |                    -56   -25                       |
jpl  130|    1     2   -11   -35   -42    56   .55   17   16 |    1416     973     18     92
        |                    -26    20                       |
mit  259|    0     0     0   -33  -141    -8  -.27   10   10 |     -79     331     19    134
        |                     17    29                       |
ngs  211|    0     1     1   150   198   -26  -.24   12    8 |     207   -1413   2067   3648
        |                    -63  -145                       |
sio  261|    0     0     4   200    75    10  -.20   19   19 |     ---     ---    ---    ---
        |                   -122   -31                       |

       
       
Table 3: Daily fit for each satellite and each centre resulting from weighted
         average combination and from long arc orbit dynamics (7-day). The
         first IGS column gives resulting satellite accuracy measures found in
         SP3 header. The last IGS column gives the RMS fit of the IGS orbit
         when processed through the 7-day arc evaluation.

         "E"    stands for eclipsing satellites (earth).
         "M"    stands for eclipsing satellites (moon).
         "X"    stands for excluded from the statistics but included in IGS orbit.
         "T"    stands for Total long arc orbit RMS for all satellites.
         "NE"   stands for long arc orbit RMS for Non-Eclipsing satellites only.
         "MEDI" stands for median of the centre's satellite RMS.
         "MD"
         Units: mm.

Table 3.1538.0   GPS week: 1538   Day: 0   MJD: 55010.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1E |    4  ---  ---  ---  ---   35  ---  ---  ---  ---    0 |    43  ---  ---  ---  ---   26  ---  ---  ---  ---    42
   2  |    9   17    8    5   33    7   15   11   14   30    5 |    21   26   21   21   34   20   26   21   26   22    21
   3  |    8   12    8    9   34    3   10    8   11   18    3 |    30   34   28   35   23   32   30   33   36   29    31
   4  |    8   13    8    6   33    5   12   12   13   18    4 |    33   32   30   33   26   28   29   33   26   31    30
   6  |    8   12    9    7   29    3   10    7   12   14    3 |    32   34   36   37   35   34   31   33   36   36    34
   7  |    9   18    8   13   41    4   18   13   18   18    5 |    20   29   20   25   53   21   29   17   23   22    19
   8  |    9   16    7    9   28    4   16   12   15   20    4 |    16   25   20   18   29   18   26   18   20   16    17
   9  |    8   16    7    6   23    5   15   14   13   21    4 |    16   24   16   17   26   16   25   18   20   21    16
  10E |   24   19   12   12   32    9   17   21   24   23    7 |   119  110  111  109  111  108  114  105  103  106   109
  11  |    7   11    8    8   37    3   16    9   11   18    4 |    33   41   41   37   36   35   38   34   37   32    35
  12E |   19   30    8    9   31    9   21   11   12   14    5 |    33   41   27   31   37   27   33   30   31   35    29
  13  |    8   17   11    7   30    3   22    9   15   19    4 |    20   32   25   22   46   20   29   23   20   24    21
  14  |    6   20    8   11   27    5   18   11   12   16    4 |    20   31   25   25   35   21   26   22   23   24    22
  15  |    6   16    7   13   31    8   18   11   10   17    4 |    18   25   18   21   34   17   24   18   18   21    17
  16  |   10   21    8   11   36    6   21    7   12   17    4 |    28   32   28   23   40   27   33   27   34   34    26
  17  |   13   19   10   21   30    4   21   14   14   25    6 |    23   32   26   25   39   20   33   22   23   25    21
  18E |    7   20    9   10   22    3   18   12   10   15    4 |    26   34   32   31   43   29   32   30   31   27    28
  19  |    7   14    9    8   30    3   18   15   14   25    5 |    24   29   25   26   35   25   31   25   27   24    24
  20  |    9   15   10    8   34    4   14    7    9   17    4 |    30   29   32   26   38   28   32   27   32   24    28
  21  |    5   17    7    9   37    6   16    9   13   25    4 |    21   27   24   23   38   20   27   23   26   29    21
  22E |    9   18    6   11   24    4   18   10   10   16    4 |    32   37   37   37   44   33   36   32   33   32    33
  23  |   10   21   10   12   28    3   23   10   15   21    5 |    20   36   29   23   38   21   31   25   27   25    23
  24  |    8   14    7    7   28    6   11    9   10   18    3 |    29   25   28   32   23   26   19   32   31   34    28
 X25  |   14   23   22   20  ---   16  ---   14   29  ---    9 |    16   29   25   32  ---   26  ---   20   37  ---    21
  26  |    6   13    8    9   16    4   13   12   10   13    3 |    15   20   17   16   25   15   23   17   20   17    15
  27  |    7   19    9    9   21    5   14    9   13   16    4 |    14   26   17   17   27   14   23   15   17   19    14
  28  |   10   17   15   11   29    5   19   10   11   19    5 |    26   32   31   29   44   29   33   29   33   36    28
  29  |    9   17    9   10   35    7   22    9    9   29    5 |    23   31   28   25   37   25   33   24   27   30    24
  30E |   11   21    9   10   38    6   18   13   22   15    5 |    44   47   38   42   52   38   46   34   48   40    40
  31  |    9   20   10    9   55    5   18   11   15   16    5 |    16   30   23   23   51   22   28   17   28   18    19
  32E |   14   22    7   12   43    6   20   16   20   21    6 |   104  106  104  105   97  105  106  105  107  104   104
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   18    9   10   32    5   17   12   14   20      |T   30   36   32   32   41   29   35   30   33   32    30
 WRMS |    8   18    8   10   30    5   17   11   12   18      |NE  22   29   25   25   34   22   28   23   26   24    22
 MEDI |    9   17    8    9   31    5   18   11   13   18      |MD  24   31   27   25   37   26   31   25   27   27    24

Table 3.1538.1   GPS week: 1538   Day: 1   MJD: 55011.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1E |   19  ---  ---  ---  ---   23  ---   22   29  ---   16 |    26  ---  ---  ---  ---   27  ---   20   29  ---    15
   2  |    6   14    5    7   29    4   16    5    9   29    4 |    13   17   14   15   28   14   21   13   16   15    12
   3  |    7   10    8   11   34    5   12   15    8   18    4 |    24   21   28   31   17   23   19   26   26   21    25
   4  |    7   13    5    7   29    5   10    9   10   16    3 |    24   29   29   24   29   24   26   25   22   26    24
   6  |    7   12    7    8   31    5   10    8    7   13    3 |    24   24   30   31   36   26   27   24   26   27    26
   7  |    8   17    8   14   42    7   20    9   10   19    4 |    15   26   17   18   44   18   27   18   19   23    15
   8  |    6   16    6   10   26    4   15    8   12   18    4 |    15   24   18   14   26   18   23   18   16   20    15
   9  |    8   16    6    8   27    5   15    9   13   22    4 |    16   24   21   14   26   18   25   19   23   21    17
  10E |   24   21   14   12   26   11   16   18   19   23    7 |    63   70   66   66   73   69   69   75   74   71    66
  11  |    8   11    6   12   24    6   13   10   10   19    4 |    21   28   29   27   36   24   29   20   24   20    23
  12E |   10   27    8    8   20    5   23   12    8   15    5 |    17   32   19   21   28   19   25   21   20   25    18
  13  |    7   16    8    8   37    4   23   11   12   15    4 |    19   29   22   17   41   20   29   19   21   20    18
  14  |    9   21    9    8   30    6   16   10   10   16    4 |    15   30   22   18   37   17   24   17   18   21    17
  15  |    7   17    8   11   34    6   16   12   13   21    4 |    17   23   21   19   30   15   24   17   22   15    16
  16E |    6   20    6   12   41    4   25    7    8   13    4 |    15   25   16   17   31   14   24   16   14   21    14
  17  |   11   16    7   15   30    6   23    9   13   24    5 |    18   29   22   19   40   19   31   16   19   18    17
  18E |    8   22    8   11   20    6   20    9    9   16    4 |    22   35   28   25   35   26   31   24   26   27    25
  19  |    6   15    9   12   40    4   22   16    9   22    5 |    17   26   27   17   37   20   32   16   15   19    18
  20  |    8   19   10    8   35    6   13   10   16   16    4 |    20   27   26   17   36   22   25   19   22   22    19
  21  |    6   16    7    8   38    4   18    8   10   23    4 |    18   27   22   18   38   20   29   21   21   20    19
  22E |    7   13    6    7   32    5   14    7    9   16    3 |    23   31   34   27   48   28   31   26   28   27    27
  23  |    9   21    9   11   31    5   24   14   11   18    5 |    21   33   26   21   36   22   33   20   21   25    21
  24  |    5   13    6    6   34    3   11    7   12   20    3 |    19   22   24   25   25   22   20   24   23   24    22
 X25  |   11   31   11   12  ---   14  ---   11   27  ---    7 |    16   28   26   14  ---   19  ---   18   32  ---    16
  26  |    7   13    9    6   15    4   11    8   10   12    3 |    13   19   18   12   22   14   20   13   17   14    14
  27  |    5   16    7    7   32    4   13    8   14   19    4 |    12   23   17   11   35   15   22   13   19   17    13
  28E |    9   16    9    9   33    8   19   16   13   19    5 |    25   33   26   25   38   28   32   31   28   35    26
  29  |    8   16    8   11   29    5   23   11   12   27    5 |    13   23   20   15   23   16   25   18   16   21    14
  30E |    9   18    7   14   33    6   19   13   22   16    5 |    35   38   34   40   31   34   36   32   40   32    34
  31  |   10   21    7   13   50    4   20   10   11   15    4 |    12   29   18   15   42   15   31   12   12   16    13
  32E |   12   19    7   12   53    6   22   17   23   23    6 |    78   83   81   82   83   81   80   82   90   83    81
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   17    8   10   33    6   18   11   12   19      |T   22   30   26   23   36   24   30   23   25   25    22
 WRMS |    8   17    7   10   31    5   18   10    9   19      |NE  17   25   22   18   32   19   25   18   20   20    17
 MEDI |    8   16    7   10   32    5   16   10   11   18      |MD  18   27   22   18   36   20   27   19   22   21    18

Table 3.1538.2   GPS week: 1538   Day: 2   MJD: 55012.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1E |   23  ---  ---  ---  ---   23  ---   19   24  ---   15 |    34  ---  ---  ---  ---   32  ---   16   27  ---    23
   2  |    5   14    5    8   28    6   16    8   11   27    4 |    14   18   14   15   28   13   20   14   15   17    12
   3  |    5   14    8    9   31    7   10    9    8   18    3 |    28   31   24   27   27   30   26   33   33   27    28
   4  |    7   12    5    8   42    6   11    9   10   13    3 |    21   26   24   21   26   21   20   24   20   27    21
   6  |    5   14    6    8   32    6    9    9    8   18    3 |    22   31   27   28   32   29   28   26   26   30    25
   7  |    7   18   10   13   51    6   15   11    9   19    4 |    10   24   15   15   48   13   21   12    9   17    10
   8  |    7   18    8    7   33    4   16    6   10   15    3 |    10   23   18   13   30   16   22   13   12   14    13
   9  |    8   15    7    6   19    5   13   11   11   23    4 |    14   22   20   14   31   16   23   15   21   19    15
  10E |   13   17   10   11   25    7   12   12   11   21    5 |    83   83   82   78   90   81   85   82   82   81    81
  11  |    8   12   12   16   40    5   14   11   10   17    4 |    23   34   27   31   30   26   32   25   28   23    25
  12E |   10   26   13   12   24    6   22   14    7   13    5 |    20   33   21   25   37   21   27   21   22   26    20
  13  |    9   18    9   10   29    5   20   16    9   15    4 |    16   29   19   18   37   19   25   19   16   18    15
  14  |    7   22   10   10   30    6   18   12   10   15    4 |    14   30   23   21   37   18   25   18   18   21    18
  15  |    7   19    9   14   28    4   18   13    9   18    4 |    14   27   17   16   34   15   22   17   15   16    13
  16E |    7   15   11   14   35    5   22    7   11   15    4 |    19   26   27   21   38   22   30   23   26   25    22
  17  |   10   19    9   18   29    7   23   13   16   25    6 |    16   32   24   20   34   20   31   15   26   18    17
  18E |   10   21    8   14   44    5   19    9    9   14    4 |    24   32   29   25   45   21   31   23   23   26    23
  19  |    8   17    9    9   38    6   19   14    9   22    4 |    16   26   22   18   30   21   26   17   19   16    17
  20  |    6   17   11   12   42    7   16   13   10   18    4 |    17   22   21   16   35   18   22   16   16   22    14
  21  |    6   16    7    9   26    5   18    8    8   20    4 |    16   24   17   12   27   17   24   20   16   18    16
  22E |    6   15    6   10   42    5   13    8   10   14    3 |    22   27   28   24   46   24   29   23   26   22    24
  23  |    9   21   10   11   29    6   21   13   12   22    5 |    16   32   22   19   30   17   28   19   20   25    17
  24  |    6   13    5    6   29    5   11    7    8   17    3 |    21   24   21   18   18   22   17   26   22   25    21
 X25  |   13   18   11   12  ---   17  ---   16   22  ---    7 |    14   22   16   18  ---   24  ---   17   31  ---    14
  26  |    5   14    7    9   21    5   11   10   10   11    3 |    13   19   16   15   27   15   22   17   17   18    14
  27  |    7   15    9    8   23    4   13   11   13   19    4 |    13   22   18   12   35   14   23   13   19   16    14
  28E |   11   16    7    8   33    5   20   10    8   10    4 |    21   31   26   26   38   27   32   25   26   29    25
  29  |    9   15    8    8   35    6   22    9   11   24    4 |    15   25   19   20   31   18   25   19   17   21    16
  30E |   11   22    9   13   55    8   19   14   22   14    5 |    27   36   26   34   28   29   32   25   35   25    27
  31  |   10   20    8    9   40    9   17    9   12   14    4 |    13   31   22   18   45   19   28   14   16   19    17
  32E |   11   17   11   12   55    6   20   17   19   20    5 |    82   80   76   80   93   79   81   85   82   83    79
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   17    9   11   35    6   17   11   11   18      |T   22   30   25   23   37   24   29   23   25   25    22
 WRMS |    7   17    9   11   34    6   16   10    9   18      |NE  16   26   20   18   32   19   24   18   19   20    16
 MEDI |    8   17    9   10   32    6   17   11   10   18      |MD  16   27   22   19   34   21   26   19   21   22    17

Table 3.1538.3   GPS week: 1538   Day: 3   MJD: 55013.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1E |   24  ---  ---  ---  ---   15  ---   14   21  ---   14 |    40  ---  ---  ---  ---   30  ---   23   31  ---    30
   2  |    5   13    7    6   30    5   17    7   14   27    4 |    21   25   22   23   34   22   26   22   26   22    21
   3  |    8   15    5    7   34    4   12    5   13   16    3 |    27   32   31   34   25   33   26   32   40   30    30
   4  |    6   11    7    4   38    5   12    7   12   13    3 |    31   33   31   30   27   29   29   31   31   29    30
   6  |    7   15    6    5   33    5   11    6   13   12    3 |    40   39   44   41   40   40   37   40   43   42    41
   7  |    8   17    6   15   39    6   17   10   10   13    4 |    24   30   22   25   51   25   30   20   27   23    22
   8  |    5   15    6    7   31    4   15    6    7   11    3 |    23   27   22   24   34   22   26   21   21   21    21
   9  |    9   16    7    7   17    6   16   10   12   21    4 |    24   27   24   21   33   23   26   20   26   23    21
  10  |   11   23    9   10   37    5   14    8   14   20    5 |    62   64   58   61   80   59   65   58   58   60    59
  11  |    7   12    7   10   41    7   15    7   13   15    4 |    34   37   35   35   31   35   34   33   35   32    32
  12E |    9   27   11   10   32    5   23   10   10   14    5 |    29   38   30   31   30   30   33   28   31   31    28
  13  |    6   17    8    8   30    5   20   15   12   11    4 |    23   32   26   24   42   24   31   25   27   26    23
  14  |    8   20    6    8   22    5   16    8   10   13    4 |    25   33   28   26   39   26   30   22   27   25    24
  15  |    7   20    8   15   34    5   22   11   10   17    5 |    20   26   22   21   39   19   26   21   19   21    19
  16E |    8   14    7   12   47    5   23    7   10    9    4 |    26   30   26   26   36   24   30   24   29   26    25
  17  |    9   18   12   17   28    5   22    9   10   26    5 |    23   33   28   24   34   21   33   21   24   24    22
  18  |    9   20    9    8   28    4   17    7    8   13    4 |    62   70   69   69   62   67   67   64   66   66    65
  19  |    9   17    7    8   31    4   18   10   11   19    4 |    25   32   29   27   36   25   28   22   28   22    25
  20  |    8   19    8    8   41    6   15    8   10   17    4 |    25   31   27   29   38   25   29   23   24   29    24
  21  |    7   14    8    5   29    5   19    8    9   20    4 |    26   27   27   26   33   26   32   27   33   28    26
  22  |   12   15    5    6   51    5   13    5    5   11    3 |    48   59   56   59   76   56   56   55   52   55    54
  23  |    7   20    8   11   32    5   21   10   12   19    4 |    25   34   29   25   44   25   32   25   26   30    24
  24  |    5   14    9    6   28    6   11    5   11   17    3 |    27   27   30   30   24   27   23   30   32   32    28
 X25  |   12   23   18   13  ---   18  ---   11   15  ---    6 |    19   28   28   20  ---   26  ---   20   20  ---    19
  26  |    9   14    6    5   21    7   12    9    9    9    3 |    23   24   24   22   31   23   26   21   25   23    22
  27  |    7   20    7    8   38    4   14    8   12   17    4 |    20   27   23   21   38   21   24   18   23   22    19
  28E |   12   20   10    9   35    6   20   13    8   15    4 |    32   39   34   34   46   34   38   33   37   36    33
  29  |    6   16   11    8   35    6   20   12   13   25    5 |    24   31   26   27   33   24   32   24   24   26    24
  30E |   11   17   11   11   51    6   19   13   25   13    5 |    37   38   35   33   47   34   37   35   43   34    34
  31  |    8   20    7   10   37    6   17    8   12   16    4 |    19   33   23   24   42   22   31   19   24   19    21
  32E |   12   26   11   12   37    7   19   12   20   19    5 |   128  132  126  128  131  128  130  130  132  132   129
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   18    8    9   35    5   17    9   12   17      |T   32   37   34   34   43   33   36   31   34   34    32
 WRMS |    8   18    8    9   32    5   16    8   10   17      |NE  24   30   27   26   35   25   29   24   27   26    24
 MEDI |    8   17    7    8   34    5   17    8   12   16      |MD  25   32   28   26   38   26   31   24   28   28    25

Table 3.1538.4   GPS week: 1538   Day: 4   MJD: 55014.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1E |   12  ---  ---  ---  ---   23  ---   16   15  ---   10 |    29  ---  ---  ---  ---   35  ---   23   30  ---    28
   2  |    7   16    7    5   27    5   16    9    8   26    4 |    16   25   23   20   34   19   26   19   20   21    19
   3  |    4   13    5    9   41    4   11   13    7   19    3 |    41   40   41   42   37   41   38   47   45   44    42
   4  |    7    8    4    8   56    5    9    9   10   14    3 |    29   33   33   34   33   28   30   29   29   28    29
   6  |    3   13    3    8   33    4   11    5    7   11    2 |    26   33   32   32   39   29   31   28   29   32    29
   7  |    6   18    8   13   37    7   16   11    8   14    4 |    17   26   24   19   52   20   28   23   22   23    20
   8  |    6   15    6    9   20    4   16    6    8   12    3 |    17   27   23   22   30   20   27   20   21   18    19
   9  |    7   16    6    7   16    4   13   11    8   21    4 |    17   26   19   20   28   16   23   19   21   20    18
  10  |   11   21    8   11   29    6   13    9    9   20    4 |    45   50   48   50   59   46   47   46   44   50    45
  11  |    7   11    9    6   27    5   17    7    8   13    3 |    26   36   36   32   39   29   33   28   31   30    29
  12E |   10   31    9   14   31    5   23   12   10   13    5 |    21   38   24   25   27   20   30   22   23   25    22
  13  |    6   17    6    8   32    5   21   17    8   16    4 |    18   28   24   26   43   22   30   28   20   24    21
  14  |    7   20    7    8   21    4   15    9    7   12    3 |    18   34   26   26   39   22   31   23   26   26    23
  15  |    7   22   10   13   28    8   21   16    9   18    5 |    18   29   22   27   39   20   28   23   23   26    20
  16E |    6   14    6   12   33    4   26    7    8   12    4 |    19   25   18   19   37   17   31   20   20   23    19
  17  |   10   17    8   19   36    7   22   13   15   25    5 |    19   34   27   23   43   20   34   24   27   19    21
  18  |    8   19    8    9   18    3   17   11    8   13    4 |    49   57   56   54   62   50   58   52   52   54    52
  19  |    6   16    6    6   34    3   19   12    8   19    4 |    20   29   24   26   37   23   28   23   21   21    22
  20  |    5   22    7   10   27    4   15    6   10   18    4 |    19   32   27   23   35   24   30   22   25   25    22
  21  |    7   12    6    9   23    4   17    6    9   20    3 |    21   26   19   21   32   19   27   21   24   22    20
  22  |    6   17    8    7   45    4   13    7    6   13    3 |    29   37   36   35   52   32   36   31   33   32    32
  23  |    8   22    6   10   28    5   19    9    6   21    4 |    18   36   23   26   36   21   28   23   21   28    21
  24  |    5   11    5    6   21    4    9    5    9   15    3 |    23   27   24   26   25   24   21   26   26   25    24
 X25  |    8   11    9    5  ---    5  ---    6    6   23    4 |    18   24   23   20  ---   18  ---   20   21   11    19
  26  |    6   13    7    8   13    4   13   11    7    9    3 |    16   23   19   19   27   16   24   20   20   17    17
  27  |    6   16    6    5   17    3   14   10   10   16    3 |    16   24   20   19   30   16   23   18   20   19    17
  28E |    7   14    7    9   24    7   18   11   10   12    4 |    20   27   23   22   32   20   29   26   27   27    22
  29  |    5   14    8    6   33    6   21    9   10   27    4 |    17   27   21   17   30   18   31   17   19   19    18
  30E |   11   19    7    8   57    6   19   13   25   13    5 |    27   30   25   30   35   28   30   26   42   26    27
  31  |    7   20    8   14   40    5   19    9   12   13    4 |    17   31   22   26   42   20   30   19   20   21    19
  32E |   11   19   13   13   52    6   17   13   21   19    5 |    97  101  103   99  110  102  100   99  104   95    99
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    7   17    7   10   33    5   17   10   10   17      |T   25   33   29   29   40   26   33   27   29   28    26
 WRMS |    7   17    7   10   29    5   16    9    8   17      |NE  20   29   25   24   35   22   28   23   24   23    22
 MEDI |    7   16    7    8   29    5   17    9    8   15      |MD  19   29   24   26   37   21   30   23   24   25    22

Table 3.1538.5   GPS week: 1538   Day: 5   MJD: 55015.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1E |   16   62   25  ---  ---   18  ---   13   16  ---   12 |    23   58   27  ---  ---   30  ---   23   30  ---    24
   2  |    8   14    9    7   25    4   18    7   12   28    4 |    12   20   13   15   28   13   23   14   19   15    13
   3  |    7   12    5   10   34    7   11    7   11   15    3 |    37   34   35   37   34   38   35   41   45   38    37
   4  |    8   12    6    6   40    5   12    8   10   14    3 |    21   20   19   17   25   18   21   19   20   22    18
   6  |    5   12    6    9   25    4   11    6    9   12    3 |    19   23   23   22   30   22   25   19   26   25    21
   7  |    7   20    8   14   28    9   14    8    6   18    4 |    17   27   19   23   44   19   24   17   21   23    18
   8  |    5   12    8    7   19    5   16    7    8    9    3 |    16   22   17   18   26   16   23   15   19   15    16
   9  |    7   16    8    5   26    5   14   10   13   19    4 |    13   17   14   15   26   13   20   17   19   19    14
  10  |    8   19   10   10   26    5   14    9   14   19    4 |    31   38   35   35   35   31   36   34   29   36    31
  11  |    8   12   11    8   25    4   14    7    6   12    3 |    24   30   30   28   34   23   29   23   26   26    24
  12E |   12   29   11    9   38    5   23   13   11   11    5 |    20   32   21   24   28   19   27   23   22   27    20
  13  |    6   17    8    7   30    4   17   12    7   18    4 |    15   26   22   20   37   18   25   20   18   20    17
  14  |    6   21    9    6   23    5   19    7    8   12    4 |    15   29   18   16   37   15   27   14   18   17    16
  15  |    8   19   12   12   23    5   21   16   10   22    5 |    13   22   15   14   29   12   21   20   16   25    13
  16E |    7   14   10   11   29    5   20    6    9   10    4 |    17   21   18   15   36   13   24   17   19   17    16
  17  |   10   17   13   15   31    9   23   11   17   24    5 |    12   24   19   19   35   13   28   14   18   18    13
  18  |    6   21    8   10   27    2   19   11   11   14    4 |    31   35   32   33   50   30   37   31   35   31    31
  19  |    7   17    7    9   35    5   17   10   11   19    4 |    15   24   18   18   38   16   25   16   21   14    16
  20  |    5   29   14   11   26    5   19    5    7   18    4 |    19   31   24   22   32   17   26   19   19   23    19
  21  |    8   16    9    9   28    5   18    7    9   22    4 |    18   22   18   18   27   16   25   19   24   20    18
  22  |    4   15    7    5   21    4   13    8    8   12    3 |    21   26   27   25   41   23   29   21   24   22    22
  23  |    6   26   11    9   25    4   20    6    9   22    4 |    15   35   21   19   30   17   26   19   21   26    17
  24  |    5   12    9    7   28    4   12    8    9   14    3 |    21   23   21   26   16   20   16   25   25   22    22
  25  |    6   13    7    8  ---    5   15    6    4   18    3 |    13   22   19   17  ---   16   12   15   18   14    15
  26  |    7   14    8    6   18    2   12   11    9   10    3 |    11   17   12   11   23   12   19   16   15   13    11
  27  |    5   14    9    5   14    4   13    9   12   14    3 |    10   15   13   12   25   10   19   14   17   14    11
  28E |    7   16    9    9   26    4   23    9   10   11    4 |    24   29   22   26   40   25   31   26   32   28    25
  29  |    8   16   16    8   36    5   24   12    9   29    5 |    14   23   22   16   27   16   27   16   18   17    15
  30E |    9   18    8   10   55    5   20   15   27   13    5 |    25   27   22   25   30   21   25   19   40   20    23
  31  |    7   19   11    8   29    3   17    7   13   14    4 |    14   27   17   18   40   14   25   11   20   14    14
  32E |   10   20   11   11   40   10   14   14   16   22    5 |   147  151  147  145  156  150  150  147  147  151   147
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    7   18    9    9   30    5   17    9   11   17      |T   22   30   25   24   36   23   29   24   27   25    23
 WRMS |    7   18    9    9   28    5   17    8    8   16      |NE  16   24   19   19   30   17   23   18   21   20    17
 MEDI |    7   16    9    9   27    5   17    8   10   14      |MD  17   26   21   19   32   17   25   19   21   20    18

Table 3.1538.6   GPS week: 1538   Day: 6   MJD: 55016.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1E |   17   34   34  ---  ---   18  ---   15   17  ---   11 |    34   29   31  ---  ---   39  ---   34   35  ---    35
   2  |    8   16   11    8   24    6   17    8   13   28    4 |    22   24   25   22   29   22   28   22   23   24    22
   3  |    9   15    8   10   26    5   10   13   11   16    4 |    33   31   34   37   32   33   31   36   33   32    32
   4  |    9   10   10    6   29    6    8   11   14   16    4 |    34   34   39   35   29   33   30   35   37   38    35
   6  |    7   14    8   10   22    4   10   10   12   12    3 |    33   31   33   37   33   32   32   35   35   35    34
   7  |    6   19    8   20   21    9   16    9    9   28    5 |    25   33   24   22   36   27   30   28   27   40    23
   8  |    5   16   12    7   20    5   14    7   13   15    4 |    22   29   26   26   25   24   27   26   24   28    24
   9  |    9   16   10    7   22    6   14   12   12   20    4 |    22   24   24   20   26   21   24   25   27   24    23
  10  |   10   17   14   15   19    5   14    8    9   19    4 |    56   58   51   55   59   53   57   53   55   56    53
  11  |    6   13   10    7   35    4   14    6   11   13    3 |    37   38   42   37   34   35   36   35   36   35    36
  12E |   10   25   11   10   33    5   21   13    7   14    5 |    29   39   27   28   31   29   34   29   31   32    29
  13  |    5   15    8    9   32    5   17   11    8   22    4 |    23   33   27   28   42   25   30   26   25   31    25
  14  |    6   19   10    6   26    3   13    6   11   11    3 |    21   29   27   23   38   22   27   20   24   23    22
  15  |    8   18   11   20   23    8   20   17   12   23    6 |    21   26   21   25   35   19   27   26   25   31    22
  16E |    7   16    8    9   46    5   23    9    8   12    4 |    25   32   26   25   40   27   36   27   26   31    26
  17  |    7   21   14    9   41    7   22   10   12   23    5 |    25   30   28   30   39   24   33   25   29   30    26
  18  |    8   17    9   11   21    4   17   11    8   17    4 |    37   43   46   42   50   42   43   42   43   43    41
  19  |    7   17    7   10   26    3   18    9    8   19    4 |    25   29   28   27   35   25   33   25   24   21    25
  20  |    4   19    8   11   26    4   15    6   10   17    4 |    23   30   26   26   38   25   30   25   28   31    25
  21  |    7   13    6    6   24    5   19    7    9   25    4 |    32   30   30   28   39   30   36   33   34   35    32
  22  |    8   14    7    8   33    5   12    7    5   16    3 |    35   39   41   38   49   37   38   35   40   33    37
  23  |    6   22   12   11   30    5   18    8    8   24    4 |    23   35   26   26   34   25   31   28   28   34    24
  24  |    6   13   11    5   30    5   13    9   10   16    3 |    32   30   30   33   26   30   25   35   35   34    32
  25  |    6   14   11    7  ---    4   14    6    6   19    3 |    23   28   23   26  ---   25   12   27   24   13    23
  26  |    8   14    9    6   21    3   12   11    9   12    3 |    20   21   23   20   32   19   25   24   25   23    21
  27  |    5   16   10    6   21    5   12   11   14   15    4 |    20   21   24   19   27   19   23   22   25   22    21
  28E |   10   18   10   11   34    4   26   10   12   18    5 |    43   44   44   48   45   44   49   46   48   55    46
  29  |    8   18   10    9   41    6   21   10   10   32    5 |    26   30   24   24   38   24   31   26   26   24    25
  30E |   10   19   11    9   49    6   21   13   30   13    6 |    30   31   27   29   31   29   30   24   45   25    28
  31  |    6   17   11   10   41    5   14    6   15   14    4 |    21   31   23   23   46   22   31   19   23   20    22
  32E |    9   27   13   15   39   10   18   20   17   26    6 |   142  138  139  138  139  136  144  144  138  142   141
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   17   10   10   31    5   17   10   12   19      |T   32   35   33   33   39   32   35   33   34   34    32
 WRMS |    7   17   10   10   29    5   16   10    8   19      |NE  25   29   27   27   33   25   28   27   28   28    26
 MEDI |    7   17   10    9   26    5   15   10   11   17      |MD  25   31   27   27   35   27   31   27   28   31    26



Table 4: Precise Navigation Summary.

         Weekly station RMS w.r.t. the estimated coordinates for the Latitude,
         Longitude and Height components.  See Table 5 for the daily summary.

         CLK  - Satellite clocks used.
         EPO  - Mean number of satellite clock epochs available in the daily
                solutions.
         Units: mm.

Table 4.1538   GPS week: 1538   MJD: 55010.0-55016.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2957 |U    9     9    27 |U    7    11    25 |U    8     8    20 |
emr | emr 2897 |    10     9    32 |    14    18    76 |U    9    10    21 |
esa | esa 2907 |     9     9    30 |U    6    11    23 |     8     7    18 |
gfz | gfz 2855 |U    8     8    24 |U    9    24    56 |     8     8    19 |
grg | grg 2784 |    10     9    27 |U   10    18    36 |     8    10    22 |
igr | igr 2879 |    10    10    29 |     6    11    26 |     8     8    18 |
igs | igs 2871 |     9     9    24 |     7     9    30 |     8     8    18 |
jpl | jpl 2802 |    11     9    35 |U    7    14    38 |U    7     8    19 |
mit | mit 2962 |U    9     9    31 |U   10    41    83 |U    9    10    20 |



Table 5: Daily Precise Navigation Summary using the corresponding Centre orbit 
         positions and satellite clock corrections at 15 min intervals.

         Each line gives the daily station RMS w.r.t. the estimated coordinates 
         for the Latitude, Longitude and Height components.
        
         CLK  - Satellite clocks used.
         EPO  - Number of satellite clock epochs available for that day.
         Units: mm.

Table 5.1538.0   GPS week: 1538   Day: 0   MJD: 55010.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2969 |    10    12    22 |     6    15    28 |    11    14    26 |
emr | emr 2868 |    11     9    27 |    16    22    98 |     9    10    19 |
esa | esa 2880 |    11    11    24 |     5    10    28 |     8     8    19 |
gfz | gfz 2857 |    10     9    21 |    10    17    77 |     8     8    22 |
grg | grg 2784 |    10     7    25 |    10    13    35 |     7     9    21 |
igr | igr 2877 |    11    11    25 |     5    10    28 |     8    10    18 |
igs | igs 2834 |    10    10    22 |     5     8    32 |    10    12    24 |
jpl | jpl 2772 |    12     9    23 |     6    10    32 |     8     8    19 |
mit | mit 2880 |    10     8    21 |    15    19    92 |     9     9    21 |

Table 5.1538.1   GPS week: 1538   Day: 1   MJD: 55011.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2975 |    10     7    39 |     7    10    31 |     9     7    17 |
emr | emr 2868 |    11     8    52 |    13    24    73 |     8     6    16 |
esa | esa 2880 |    11     9    40 |     5     9    24 |     7     5    16 |
gfz | gfz 2849 |    10     8    37 |    15    19   102 |     8     5    16 |
grg | grg 2784 |    10     7    36 |     8    24    36 |     9     9    17 |
igr | igr 2878 |    11     9    42 |     5     8    29 |     8     5    16 |
igs | igs 2878 |     9     8    34 |     9    10    63 |     8     5    15 |
jpl | jpl 2772 |    16    11    75 |     6    11    33 |     8     6    15 |
mit | mit 2976 |    11    11    55 |    12    13    80 |     8     5    17 |

Table 5.1538.2   GPS week: 1538   Day: 2   MJD: 55012.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2917 |     9    13    27 |     8    10    27 |     7     7    15 |
emr | emr 2872 |    13    12    36 |    18    23    87 |     8    10    19 |
esa | esa 2880 |    10    12    30 |     6    12    24 |     7     6    15 |
gfz | gfz 2848 |     9    11    23 |    12    85   115 |     8     8    17 |
grg | grg 2784 |    10    11    28 |    10    22    32 |     8    10    12 |
igr | igr 2876 |    10    13    29 |    10    22    32 |     7     7    17 |
igs | igs 2834 |    10    13    26 |     8    11    26 |     7     8    14 |
jpl | jpl 2772 |    12    13    31 |     6    25    39 |     8     8    18 |
mit | mit 2976 |     9    13    37 |    11   212   293 |     9    11    16 |

Table 5.1538.3   GPS week: 1538   Day: 3   MJD: 55013.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2949 |    10    10    39 |     8    13    21 |     7     6    15 |
emr | emr 2872 |    12     9    28 |    13    12    82 |     8     8    18 |
esa | esa 2880 |    12    11    47 |     6    14    21 |     6     4    17 |
gfz | gfz 2852 |     8     8    24 |     7    15    24 |     6     5    16 |
grg | grg 2784 |    10    10    32 |     9    12    36 |     6     6    21 |
igr | igr 2867 |    11    11    44 |     6    15    23 |     6     7    16 |
igs | igs 2912 |     8     9    24 |     7    12    21 |     6     5    14 |
jpl | jpl 2775 |    10     9    26 |     7    10    26 |     6     6    16 |
mit | mit 2976 |    13    14    40 |     8    12    26 |    13    14    23 |

Table 5.1538.4   GPS week: 1538   Day: 4   MJD: 55014.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2973 |     7     6    20 |     8    12    17 |     7     8    18 |
emr | emr 2872 |     9     8    24 |    15    20    83 |     9    10    23 |
esa | esa 2880 |     7     5    25 |     8    11    17 |     6     7    16 |
gfz | gfz 2861 |     7     6    20 |     9    14    22 |     7     7    20 |
grg | grg 2784 |    10     7    20 |    10    16    39 |     8     9    27 |
igr | igr 2880 |     7     6    22 |     8    11    17 |     6     7    17 |
igs | igs 2871 |     7     6    22 |     7    10    20 |     6     7    16 |
jpl | jpl 2776 |     8     6    25 |    13    25    62 |     8     8    20 |
mit | mit 2976 |     8     6    26 |     9    12    36 |     7     9    22 |

Table 5.1538.5   GPS week: 1538   Day: 5   MJD: 55015.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2944 |     9     9    23 |     6     8    29 |     8     6    20 |
emr | emr 2960 |    10    11    28 |    15    15    78 |    10     8    21 |
esa | esa 2976 |     9    10    24 |     5     6    25 |    10     8    20 |
gfz | gfz 2861 |     9     9    23 |     5     8    26 |     9     8    21 |
grg | grg 2784 |    10    12    26 |     8    12    44 |    10    10    19 |
igr | igr 2872 |     9    11    22 |     5     5    30 |     9     7    19 |
igs | igs 2863 |     8     9    21 |     6     6    26 |     9     7    19 |
jpl | jpl 2874 |    11    10    47 |     8    13    42 |     8     7    16 |
mit | mit 2976 |     9     9    21 |     6     6    24 |    10     7    19 |

Table 5.1538.6   GPS week: 1538   Day: 6   MJD: 55016.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2974 |     7     7    17 |     5    10    25 |     8    10    28 |
emr | emr 2970 |     9     8    31 |     8    13    29 |     8    14    31 |
esa | esa 2976 |     6     6    19 |     5    13    25 |     8    11    26 |
gfz | gfz 2861 |     6     6    19 |     7    12    30 |     8    12    25 |
grg | grg 2784 |     9     7    24 |    12    27    32 |    10    17    36 |
igr | igr 2905 |     7     6    16 |     5     5    24 |     8    13    26 |
igs | igs 2911 |     6     6    17 |     5     7    26 |     7    12    25 |
jpl | jpl 2876 |     8     8    20 |     5     8    33 |     7    12    29 |
mit | mit 2976 |     6     6    16 |     5    13    31 |     7    11    22 |


Table 6: Earth Orientation Parameters weekly summary.                          
                                                                              
        Weekly mean and standard deviation of Centre ERP, ERP rates and       
        LOD differences with respect to IGS combined values. See Table 7 for  
        the daily summaries.                                                  
                                                                              
        Xpole,Xrt: x pole and x pole rate                          
        Ypole,Yrt: y pole and y pole rate                       
        LOD      : Length Of Day                                               
                                                                              
        AC LOD BIAS    : 21-day mean LOD bias with respect to Bulletin A     
        AC LOD BIAS RMS: RMS of AC LOD BIAS                              
                                                                              
        FLAG: "u" (used), "x" (excluded), "-" (no submission)                 
              for Xpole, Ypole, Xrt, Yrt and LOD                              

Table 6.1538   GPS week: 1538   MJD: 55010.500-55016.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |      11     -26      10     -10     -3 |      -1     26
            |      21      31      81      97      4 |       5
emr   uuuuu |      48     -24      92     189     -8 |      12     37
            |      28      22      93     118      5 |       9
esa   uuuuu |     -30     -21     -30     -25     12 |      -8     27
            |      34      24     155      70     14 |       9
gfz   uuuuu |       0     -33      -4     -22      1 |       6     27
            |      19      14      69      74      8 |       5
grg   xxxxx |      -3       7      -3      30     -7 |       4     25
            |      24      42     131      64     33 |       3
igr   xxxxx |      22      37     -45      -8      7 |       2     24
            |      18      23      79      66      4 |       7
irf   xxxxx |      -3      -3     -26     -35     -1 |      -3     25
            |       9       7      31      22      6 |       5
jpl   uuuuu |     -18     -17      68       5      2 |       0     29
            |      26      24     122      89      7 |       5
mit   uuuuu |     -31     -14     -76    -212    -10 |       2     29
            |      14      14      59      60      9 |       5
ngs   uuuuu |      36      52     -41     232     -1 |       2     23
            |      51      37     109     113      3 |       4
sio   uuuxu |      48     123     127    -362     -5 |       6     30
            |      22      18     103     103      8 |       5


Table 7.1538.0   GPS week: 1538   Day: 0   MJD: 55010.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |      -9     -40      92      51      6 |      -4     28
emr   uuuuu |      85      11      34     237      0 |       0     46
esa   uuuuu |     -15     -65      97    -127     25 |     -18     31
gfz   uuuuu |     -18     -27      50      -7      2 |       2     26
grg   xxxxx |     -26      24     116     -15     45 |      -2     30
igr   xxxxx |       2      44    -109    -113     12 |      -7     27
irf   xxxxx |       7      -2     -36     -41     -6 |      -7     29
jpl   uuuuu |      25     -26      33     100    -10 |      -6     33
mit   uuuuu |     -23      -6    -100    -312    -18 |      -1     35
ngs   uuuuu |     -39     106    -185     442      1 |      -2     24
sio   uuuxu |      86     130      45    -503     -8 |       2     34

Table 7.1538.1   GPS week: 1538   Day: 1   MJD: 55011.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |     -16      15      50      71     -1 |      -5     28
emr   uuuuu |      46     -18     -62     257    -10 |       4     44
esa   uuuuu |      -6     -10      76     -95      9 |     -18     31
gfz   uuuuu |     -33     -16      11     -44     14 |       0     26
grg   xxxxx |     -33      49    -127      87    -33 |       3     32
igr   xxxxx |      24     -11      41     -27      5 |      -5     26
irf   xxxxx |      -4      -9       9     -32    -10 |      -7     29
jpl   uuuuu |     -14     -30    -102      60      0 |      -5     32
mit   uuuuu |     -33     -26     -12    -196    -21 |      -1     35
ngs   uuuuu |      55      53    -105     288      4 |      -3     24
sio   uuuxu |      43      99     161    -423    -18 |       2     34

Table 7.1538.2   GPS week: 1538   Day: 2   MJD: 55012.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |      26     -62     -93      62     -4 |      -2     29
emr   uuuuu |      -3     -46     201      82     -1 |      10     42
esa   uuuuu |      -2     -20     128     -26     13 |     -16     31
gfz   uuuuu |       6     -56     -23      94      7 |       4     29
grg   xxxxx |       9     -40      23     136    -37 |       1     32
igr   xxxxx |      54      39      80     102      7 |      -1     27
irf   xxxxx |      -7       8     -86     -21     -3 |      -5     29
jpl   uuuuu |      -8     -41     104       9      5 |      -1     32
mit   uuuuu |     -46      11    -188    -255    -14 |       2     34
ngs   uuuuu |      32      56     -86     164     -5 |       1     25
sio   uuuxu |      48     140     -57    -412     -7 |       5     34

Table 7.1538.3   GPS week: 1538   Day: 3   MJD: 55013.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |       5      19     -84      25     -5 |       5     25
emr   uuuuu |      40     -55     197      24    -12 |      21     36
esa   uuuuu |       0     -27      33     -11     28 |      -8     27
gfz   uuuuu |       2     -17    -141     -38     -5 |      11     28
grg   xxxxx |     -13      51    -222      60    -16 |       7     23
igr   xxxxx |      28      66     -92      29      2 |       8     23
irf   xxxxx |      -2      -8     -34      -6     -1 |       3     24
jpl   uuuuu |      -9      22     -43       2     -1 |       7     29
mit   uuuuu |     -37     -24     -55    -143    -13 |       9     29
ngs   uuuuu |       8      52      14     282     -1 |       7     23
sio   uuuxu |      45     114     212    -208     -4 |      12     31

Table 7.1538.4   GPS week: 1538   Day: 4   MJD: 55014.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |      42     -44     -44      13     -2 |       5     25
emr   uuuuu |      40     -24      59     102    -10 |      22     36
esa   uuuuu |     -36      15     -78      89     15 |      -2     25
gfz   uuuuu |      13     -37     -12       9     -1 |      12     28
grg   xxxxx |      -8     -50      89     -24     21 |       3     22
igr   xxxxx |      29      36     -63       7     11 |      10     23
irf   xxxxx |       5       5     -17     -46      0 |       4     24
jpl   uuuuu |     -19     -28     181    -138      4 |       6     29
mit   uuuuu |     -11      -7     -86    -226     -7 |       9     29
ngs   uuuuu |      15     -18      41     121     -4 |       8     23
sio   uuuxu |      58     149     106    -345     -4 |      13     31

Table 7.1538.5   GPS week: 1538   Day: 5   MJD: 55015.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |       6     -30      83    -125     -7 |       1     25
emr   uuuuu |      69     -29     100     289    -14 |      16     33
esa   uuuuu |     -80     -17    -186       0      4 |       1     22
gfz   uuuuu |      21     -40      75    -154     -2 |       8     28
grg   xxxxx |      10     -13     125     -21     10 |       7     18
igr   xxxxx |      11      38     -40     -11      8 |       8     23
irf   xxxxx |       1      -4     -18     -22      6 |       0     24
jpl   uuuuu |     -57     -27     247      86      6 |       2     28
mit   uuuuu |     -19     -18     -67    -143      0 |       3     28
ngs   uuuuu |      55      64    -102     166     -1 |       4     23
sio   uuuxu |      46     118     227    -251      1 |       8     29

Table 7.1538.6   GPS week: 1538   Day: 6   MJD: 55016.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |      25     -38      67    -170     -7 |      -6     20
emr   uuuuu |      57      -7     112     330     -8 |       7     20
esa   uuuuu |     -74     -22    -278      -7    -13 |       1     22
gfz   uuuuu |       9     -35      10     -14     -9 |       3     23
grg   xxxxx |      38      31     -24     -15    -39 |       6     18
igr   xxxxx |       4      44    -135     -44      4 |       4     18
irf   xxxxx |     -21     -12      -3     -75      6 |      -6     17
jpl   uuuuu |     -41      14      56     -85     13 |      -5     19
mit   uuuuu |     -50     -29     -21    -211      2 |      -4     16
ngs   uuuuu |     124      51     134     162      0 |       0     19
sio   uuuxu |      10     110     194    -393      6 |       0     17



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