[IGSREPORT-17021] Wk 1512 IGS Final Orbits

Jim Ray IGS.ACC at noaa.gov
Thu Jan 15 10:41:10 PST 2009


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IGS Electronic Report   15 Jan 10:41:13 PST 2009      Message Number 17021
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Author:  AC Coordinator / NOAA NGS

sum-file Version 2.0
Final IGS Orbit Combination - Week 1512   (Dec 28, 2008 - Jan 03, 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:

igs1512[0-6].sp3  IGS GPS ephemeris files in SP3 format.
igs1512[0-6].clk  IGS GPS satellite and station clocks in SP3 format.
igs1512[0-6].cls  IGS GPS clock combination summary report.
igs15127.erp      Earth Rotation Parameters (ERP) and their rates as well as
                  Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                  with IGS ephemerides.
igs15127.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.
    
               Day | Centre | PRN/STA list
               ----+--------+---------------
                0  |  EMR   | 32
                0  |  ESA   | 10
                0  |  GFZ   | 7 18 29 32 CHUR FAA1
                0  |  JPL   | 32
                0  |  MIT   | CHUR
                1  |  COD   | 10 RCMN
                1  |  EMR   | MIZU
                1  |  ESA   | 10 UNSA
                1  |  GFZ   | 7 18 29 32 BJFS CHUR IRKT
                1  |  JPL   | 32
                1  |  MIT   | 32 CHUR
                2  |  COD   | 5 REUN
                2  |  EMR   | MIZU
                2  |  ESA   | 10 32
                2  |  GFZ   | 7 21 29
                2  |  JPL   | DUBO
                2  |  MIT   | 32
                3  |  ALL   | 10 19
                3  |  COD   | 5 YELL
                3  |  EMR   | 7 NISU
                3  |  ESA   | 32 YELL
                3  |  GFZ   | 7 29 IRKT NISU
                3  |  JPL   | 5
                3  |  MIT   | 25 32
                4  |  COD   | 5 RCMN YELL
                4  |  EMR   | 30 MIZU
                4  |  ESA   | 10 YELL
                4  |  GFZ   | 7 29 32 PETP
                4  |  JPL   | 5 32
                4  |  MIT   | 32 HRAO
                5  |  COD   | 5 10 30 RCMN
                5  |  EMR   | MIZU
                5  |  ESA   | 30
                5  |  GFZ   | 5 7 10 18 29 32 DAEJ IRKT
                5  |  JPL   | 10 30 32 BOGT ZWE2
                5  |  MIT   | 32 KHAJ
                6  |  COD   | 5 10 30
                6  |  EMR   | MIZU
                6  |  ESA   | 5 10 30 32
                6  |  GFZ   | 7 29 30 32 BJFS BOR1 ONSA SUTM
                6  |  JPL   | 32 YELL ZWE2
                6  |  MIT   | 13 32 AUCK BOR1 OUS2 TIXI

 5. Velocity changes were estimated to alleviate the effects of modeling
    problems, experienced by all centres,in the Long Arc (LA) process.
    
             Velocity changes per day and affected satellites:
    
               Day |  0 |  1 |  2 |  3 |  4 |  5 |  6 |
           --------+----+----+----+----+----+----+----+
           PRN G32 |    |  2 |    |    |    |    |    |

 6. 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.

 7. 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  |     .0    -.1    1.3     -12    -11      8     .10
       EMR  |   10.9    1.8   -6.5     109     -5     43     .20
       ESA  |    6.6    5.7   -6.5      57   -132     25     .12
       GFZ  |    1.0     .7    1.5      11    -19      5    -.14
       GRG  |    4.8     .8   -7.0     -26     -6     14    -.16
       JPL  |    5.1    3.3   15.7       7    -54      4     .35
       MIT  |    5.0    -.8   -8.9      12     -3      3     .05
       NGS  |    5.9   -5.7   -4.0     -74   -118     63     .08
       SIO  |    4.5    6.6    6.9      99    -64    -39     .16


 8. 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.

 9. 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.

10. 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 1.1512.a). It also displays the computed satellite
position sigmas for the combined orbits (table 1.1512.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 2.1512.[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 3.1512.[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 5.1512.0-6).

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 1512 summary.                       (Dec 28, 2008 - Jan 03, 2009)

Table 1.1512.a   GPS week: 1512   MJD: 54828.000-54834.000

         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  242|    1     0     2    37   -66   -38  -.16   10    9 |     -45    -387     18     96
        |    0     0     1    11     8    19   .03           |     600     894
emr   79|   -1     0     4  -196   -71   -30   .42   19   19 |   -3327    1031     21    145
        |    2     1     1    33    23    20   .02           |    2785    1528
esa  145|    0     0    -1   -54    87   -18   .29   10   10 |     440   -1077     19    102
        |    0     0     1    27    35    31   .02           |     701    1483
gfz  192|    0     0    -4    -5   -59   156  -.12   10   10 |     368    -545     23    126
        |    1     0     1    17    19    87   .04           |     473     646
grg   76|    1    -1     2    93   -96    11  1.23   51   52 |     -44    -432    117    344
        |    3     2     2    36    36    67   .04           |     600     885
igr  n/a|    0     0     0    14   -69   -50   .02    7    7 |   14458    1130     24     84
        |    0     0     1    12    16    22   .10           |    3396    1587
jpl  133|   -1     0     7     1    33   -11   .58   17   16 |   -3341    1055     20    101
        |    1     1     1    13    17    17   .06           |    2601    1562
mit  287|    0     0    -3    22   -92   -13  -.26   12   10 |      30    -275     24    111
        |    0     1     1    14    16    27   .02           |     558    1001
ngs  231|    0     0     1   162   136   -52  -.25   11    9 |     -17    -410   2314   3898
        |    0     0     0    22    33    20   .05           |     578     860
sio  248|    0     1     1  -189    38   -57   .03   21   19 |     ---     ---    ---    ---
        |    2     1     1    13    17    41   .05           |     ---     ---


Table 1.1512.b   GPS week : 1512   MJD: 54828.000-54834.000   

         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    0    0    0    0    0    0 |
   2  |    5    5    5    5    5    5    6 |
   3  |    4    4    4    5    4    4    5 |
   4  |    4    4    5    5    5    5    5 |
   5  |    5    6    7    5    5    6    6 |
   6  |    4    4    4    4    3    4    4 |
   7  |    5    5    5    5    5    5    5 |
   8  |    6    4    4    5    4    4    5 |
   9  |    4    4    4    5    5    4    4 |
  10  |    5    6    6    6    7    5    6 |
  11  |    4    4    5    4    4    4    4 |
  12  |    5    5    5    5    5    6    6 |
  13  |    4    4    4    4    4    4    4 |
  14  |    6    5    5    5    5    5    6 |
  15  |    5    5    5    6    5    5    6 |
  16  |    6    5    6    7    5    6    6 |
  17  |    5    5    5    5    5    6    5 |
  18  |    4    5    5    5    5    5    5 |
  19  |    6    5    5    6    5    5    5 |
  20  |    5    5    5    5    5    4    5 |
  21  |    5    5    5    5    5    5    5 |
  22  |    5    4    5    4    4    4    4 |
  23  |    5    5    5    5    5    4    5 |
  24  |    3    3    4    4    3    3    3 |
  25  |    4    4    4    4    3    3    4 |
  26  |    4    4    4    4    4    4    4 |
  27  |    5    4    4    5    4    4    5 |
  28  |    4    5    5    4    4    4    5 |
  29  |    4    4    5    5    5    5    5 |
  30  |    5    5    5    7    5    5    6 |
  31  |    5    4    5    5    5    4    5 |
  32  |    6    6   10    8    7    6    6 |



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 2.1512.0   GPS week: 1512   Day: 0   MJD: 54828.000                            

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  242|    1     0     1    52   -62   -17  -.20   10    9 |     -86    -519     26    121
        |                     -9    -3                       |
emr   79|   -1     0     2  -206   -54    -6   .42   19   19 |   -4718   -1449     23     95
        |                     46   -41                       |
esa  145|    0     1    -1   -72    51    42   .28   10    9 |     695     -43     24    105
        |                     51    26                       |
gfz  192|   -1     0    -4     5   -46    25  -.13   10   10 |     329    -440     23    114
        |                     17   -10                       |
grg   76|    1     0     0    81  -101   -55  1.21   50   48 |     -95    -547    100    366
        |                    -21    -7                       |
igr  n/a|    0     0     1    28   -86   -33   .07    5    5 |   12246   -1279     24     80
        |                    -15   -16                       |
jpl  133|    0    -1     7    -4    27   -35   .61   17   15 |   -4481   -1368     22     94
        |                     38   -49                       |
mit  287|    0     0    -3    10  -112    16  -.28   11   10 |     415   -1007     24    104
        |                    -18     2                       |
ngs  231|    0     0     2   169   189   -35  -.19   10    8 |     -66    -552   2114   3953
        |                     38   -53                       |
sio  248|    0    -1     3  -194    21   -22  -.04   23   20 |     ---     ---    ---    ---
        |                    201    -5                       |

Table 2.1512.1   GPS week: 1512   Day: 1   MJD: 54829.000                            

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  242|    0     0     2    47   -69   -32  -.18   10    9 |    -744     625     13     61
        |                      2    -8                       |
emr   79|    2     0     3  -166   -40   -46   .43   18   18 |   -6708    1168     23    136
        |                     24   -60                       |
esa  145|    1     0    -2   -87    98    -8   .30    9    9 |    -838     -78     17    100
        |                     58    -7                       |
gfz  192|    0     0    -5   -21   -93   134  -.20   10   10 |    -408     115     20    126
        |                     24    10                       |
grg   76|    0     0     3   117   -49   -44  1.25   50   48 |    -756     591    119    313
        |                     -8    21                       |
igr  n/a|    0     0     0    30   -92   -66   .02    6    6 |   10504    1306     19     70
        |                     13     9                       |
jpl  133|    0     0     9     7    41   -23   .62   16   15 |   -6301    1008     18     96
        |                     48   -16                       |
mit  287|   -1     0    -2    12  -104    -9  -.28   10   10 |    -675     219     20     88
        |                    -15    -9                       |
ngs  231|    0     1     2   190   136   -29  -.20   10    7 |    -721     497   2525   4148
        |                    -31    45                       |
sio  248|   -3     0     3  -208    42   -35  -.02   21   20 |     ---     ---    ---    ---
        |                    209    -8                       |

Table 2.1512.2   GPS week: 1512   Day: 2   MJD: 54830.000                            

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  242|    1     0     0    33   -75   -39  -.15   10    9 |     769   -1585     23    107
        |                     34    36                       |
emr   79|    0     2     6  -168   -70   -52   .42   20   20 |   -4854    -566     24    193
        |                      8   -46                       |
esa  145|    2     0     1   -56   112   -36   .29   11   10 |    1195   -3236     22    103
        |                     -1   -41                       |
gfz  192|    0     0    -5    -9   -55   277  -.09   12   12 |    1172   -1638     28    121
        |                     24   -21                       |
grg   76|   -3     0     5    96   -75    37  1.26   52   48 |     775   -1637    115    299
        |                     41    70                       |
igr  n/a|    0     0     0     2   -75   -90   .15    7    7 |   12300    -122     24     79
        |                     20   -61                       |
jpl  133|   -2     0     6   -20    20    -8   .67   17   16 |   -4731    -770     24    108
        |                     31   -17                       |
mit  287|    0    -1    -2    40   -68   -48  -.28   13   10 |     924   -1784     24    103
        |                     -7   -34                       |
ngs  231|    0     1     0   128    96   -38  -.30   11    8 |     715   -1512   2405   3796
        |                    108    94                       |
sio  248|   -3     0     2  -191    25  -123   .04   21   19 |     ---     ---    ---    ---
        |                    216    23                       |

Table 2.1512.3   GPS week: 1512   Day: 3   MJD: 54831.000                            

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  242|    1     0     2    22   -51   -77  -.14   12    9 |    -360     -86     18    110
        |                     22     1                       |
emr   79|   -2     0     3  -160   -57   -37   .44   19   19 |   -4905    2930     21    164
        |                     10     7                       |
esa  145|    0    -1     0   -63    98   -46   .28   11   11 |    1136   -2252     21    102
        |                      7    14                       |
gfz  192|    2     0    -5     2   -52   246  -.15    9    9 |     318    -999     25    138
        |                     25    10                       |
grg   76|   -1    -1     3   154   -89   133  1.27   54   60 |    -354    -137    135    351
        |                     58   -21                       |
igr  n/a|    2    -2    -1    19   -70   -43  -.11    9    9 |   12834    3494     31     90
        |                     26     3                       |
jpl  133|   -2     0     7    11    49   -21   .58   17   17 |   -5159    2886     22    101
        |                     19   -16                       |
mit  287|    0     0    -3    43  -104   -49  -.26   12   10 |    -513     832     33    116
        |                      4     5                       |
ngs  231|    0     0     1   168   150   -78  -.29   13   12 |    -268    -113   2349   4410
        |                     81   -22                       |
sio  248|    0     1     2  -173    47  -110   .04   20   18 |     ---     ---    ---    ---
        |                    174    -6                       |

Table 2.1512.4   GPS week: 1512   Day: 4   MJD: 54832.000                            

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  242|    1     0     3    45   -68   -30  -.17    9    8 |     804   -1594     19     95
        |                     15    18                       |
emr   79|   -3    -2     4  -222  -109   -48   .44   19   19 |   -2949    1991     24    164
        |                     91    15                       |
esa  145|    1    -1     0    -7   118   -47   .33   10    9 |     596   -2060     19    103
        |                    -13   -39                       |
gfz  192|    0     0    -5   -29   -56   193  -.09   10   10 |     623    -788     23    123
        |                     43     2                       |
grg   76|    4    -8     6    36  -102    44  1.18   52   55 |     797   -1606    122    340
        |                     40    51                       |
igr  n/a|    0     0     0    17   -47   -54  -.10    8    8 |   15416    2572     26     83
        |                      1   -44                       |
jpl  133|   -1     2     7    19    56    19   .51   16   16 |   -3117    2074     20     99
        |                     -2   -60                       |
mit  287|    0     1    -3     9   -73   -21  -.27   11    9 |     267    -877     25    108
        |                     21   -21                       |
ngs  231|   -1     0     0   162   100   -80  -.24   11    9 |     842   -1632   2437   3663
        |                    106    84                       |
sio  248|    0     2     1  -179    62   -42   .05   19   18 |     ---     ---    ---    ---
        |                    130     7                       |

Table 2.1512.5   GPS week: 1512   Day: 5   MJD: 54833.000                            

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  242|    1     0     5    22   -73   -25  -.12   11    9 |    -391     360     14    101
        |                     27     8                       |
emr   79|   -2     2     3  -204   -87   -12   .40   18   18 |     140    1876     18    130
        |                     80   -17                       |
esa  145|    0     0    -2   -61   108   -17   .32   10    9 |      95     939     19    102
        |                      3   -14                       |
gfz  192|    1     0    -3    24   -78   110  -.08   10   10 |     213     167     23    142
        |                     21    30                       |
grg   76|    4     0     0    81   -89     0  1.26   51   53 |    -372     292    116    418
        |                     33    97                       |
igr  n/a|    0     0     0     0   -62   -26   .07    7    6 |   19080    1037     22    117
        |                     -1    -3                       |
jpl  133|   -2     0     9    -3    32   -12   .58   18   17 |     -99    1847     20    110
        |                     -9   -64                       |
mit  287|    0     0    -4    28   -84     1  -.22   10    9 |    -247     897     23    154
        |                     12    -5                       |
ngs  231|   -1     0     1   136   122   -45  -.29    8    7 |    -273     303   2130   3508
        |                     86    79                       |
sio  248|    0     1     1  -202    52   -40   .10   20   19 |     ---     ---    ---    ---
        |                    141    -1                       |

Table 2.1512.6   GPS week: 1512   Day: 6   MJD: 54834.000                            

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  242|    0     0     4    35   -62   -43  -.17   10    8 |    -311      85     15     79
        |                     47    -7                       |
emr   79|    1    -2     5  -249   -79    -8   .40   19   19 |     699    1267     17    134
        |                    117   -20                       |
esa  145|    0     0    -3   -30    23   -12   .26   10    9 |     203    -810     16    103
        |                      3    61                       |
gfz  192|    0    -1    -1   -10   -36   107  -.11   10   10 |     332    -234     21    124
        |                     48   -15                       |
grg   76|    2    -1     0    84  -169   -39  1.19   52   55 |    -307      16    117    326
        |                     42    47                       |
igr  n/a|    0     0     2     5   -50   -35   .05    7    6 |   18832     906     22     70
        |                     26   -48                       |
jpl  133|   -1     0     6    -2     5    -1   .51   18   18 |     499    1709     20    101
        |                     39   -43                       |
mit  287|    0     2    -5    13   -99    16  -.26   14   13 |      40    -210     20    108
        |                     39   -24                       |
ngs  231|   -1    -1     1   180   157   -61  -.23   10    9 |    -350     137   2240   3814
        |                      5   -49                       |
sio  248|    2     3    -1  -177    14   -24   .01   22   20 |     ---     ---    ---    ---
        |                    109    33                       |

       
       
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 3.1512.0   GPS week: 1512   Day: 0   MJD: 54828.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |    6  ---  ---  ---  ---  188  ---  ---  ---  ---    0 |    34  ---  ---  ---  ---  143  ---  ---  ---  ---    36
   2  |   10   20    7    7   40    7   16   13   12   26    5 |    28   40   32   27   50   30   38   29   32   31    31
   3  |    7   12   11   10   71    3   14    7   10   25    4 |    27   30   30   29   47   27   30   30   33   42    30
   4  |   13   12    5    7   39    5   10    7    7   30    4 |    34   28   31   28   30   31   25   29   30   39    30
   5  |   13   15    9    9   36    5   16   10   10   31    5 |   125  135  129  132  132  131  134  129  124  135   130
   6  |    5   12   11   13   68    3   11   12    9   22    4 |    29   30   28   34   48   28   26   35   36   41    31
   7  |    9   22    9   14   29    4   17   10   10   17    4 |    22   34   23   19   41   22   31   23   23   23    22
   8  |   25   20   14   11   23    6   16   14    5   18    6 |    22   24   21   17   33   18   24   24   20   23    18
   9  |    7   18    8    7   42    4   14    9    8   20    4 |    19   31   23   14   41   19   28   21   20   28    20
  10E |   11   22    8   14   50    3   17   12   13   15    5 |    39   52   44   45   45   44   48   46   41   44    43
  11  |    6   21    7    7   87    5   14   11   12   19    4 |    37   53   41   34   69   36   47   35   34   38    38
  12  |    8   22    8    8   32    4   20    8    6   25    4 |    25   36   30   27   42   28   34   29   29   33    28
  13  |    6   20   11    8   28    5   17    9   10   14    4 |    21   38   28   17   49   26   33   20   20   21    21
  14  |   11   26   12    8   40    4   21    7   12   25    5 |    20   34   27   21   37   21   31   22   25   23    23
  15  |   10   25   11    8   35    6   22    9   11   21    5 |    20   38   26   18   43   26   31   24   24   26    22
  16  |    7   23   12   11   36    9   23    9    9   35    5 |    22   36   29   21   46   21   33   19   27   41    24
  17  |    9   17    7   17   90    7   17    7   11   19    4 |    26   29   26   27   73   23   28   27   27   23    25
  18E |    8   16    7   11   42    5   20    7   10   16    4 |    27   32   29   28   47   26   32   23   31   30    28
  19  |    8   18   11    6   60    7   16   21   12   35    5 |    24   29   28   20   44   23   30   22   30   35    24
  20E |    9   17   10   12   39    6   16   14   12   19    5 |    16   28   20   21   43   21   27   21   28   28    20
  21  |    9   15   10    8   62    5   19    7   10   32    4 |    25   37   33   24   51   27   40   26   28   34    28
  22E |    9   15    9    9   36    8   20    9   13   13    4 |    23   33   26   22   50   27   31   23   34   23    26
  23  |    8   27   11    9   28    5   20   12   10   12    5 |    22   39   30   17   48   26   32   20   22   21    22
  24  |    5   11    4    5   71    5    8    9    9   17    3 |    31   34   33   32   44   32   32   34   34   39    34
  25  |    5   14    9    7   29    6   14   14   10   13    4 |    17   25   21   19   31   20   28   24   20   18    19
  26  |    8   17   12    4   31    4   10   10   10   14    4 |    19   28   23   16   33   22   25   23   22   22    20
  27  |   16   16   12    7   25    5   15   13    6   17    4 |    20   24   21   16   32   19   22   23   21   20    18
  28  |    8   20    9    9   32    4   17    6   10   17    4 |    18   28   23   14   38   20   28   20   22   23    19
  29  |    7   12    8    6   45    5   14   10    7   30    4 |    25   32   27   23   44   26   31   25   27   24    26
  30  |    9   17    7    8   31    3   16   14    8   29    4 |    39   54   48   41   50   46   55   50   47   47    46
  31  |    9   16   10    8   32    8   17   12   10   19    4 |    19   30   23   20   37   21   31   24   20   26    22
  32E |   14   28   12   12   98    7   16   14   19   23    6 |   104  106  106  107  121  106  104  107  115  108   109
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   19   10   10   50    5   17   11   10   23      |T   30   39   34   30   49   35   37   32   33   35    32
 WRMS |    9   19    9   10   48    5   15   10    8   20      |NE  24   32   27   22   43   29   30   25   25   28    25
 MEDI |    8   17    9    8   39    5   16   10   10   19      |MD  24   33   28   22   44   26   31   24   28   28    25

Table 3.1512.1   GPS week: 1512   Day: 1   MJD: 54829.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |    6  ---  ---  ---  ---  103  ---  ---  ---  ---    0 |    59  ---  ---  ---  ---   61  ---  ---  ---  ---    58
   2  |    6   17    9   10   43    7   19   11   10   20    4 |    12   24   14   11   36   14   28   15   16   16    14
   3  |    9   11    7    8   81    6   10   10    6   24    3 |    24   24   25   27   30   27   23   23   28   36    25
   4  |    8   11    8   12   43    8    9   12    8   22    4 |    21   19   20   25   24   21   16   21   24   27    20
   5E |   25   18   10   11   35    9   17   10    9   29    6 |   104  120  114  111  122  114  121  110  115  121   112
   6  |    8    9    8    9   78    6   10   15    8   18    4 |    24   22   26   28   29   25   19   24   26   30    24
   7  |   11   20    7   12   24    4   17   11   10   19    4 |    19   32   19   20   36   19   28   17   19   19    17
   8  |   12   16   10    9   17    7   12   11    9   18    4 |    18   23   15   14   28   13   20   19   15   16    12
   9  |    7   15    7    7   39    5   13    9    8   15    3 |    11   23   15   12   28   14   22   13   13   18    12
  10E |   16   22    8   15   63    6   18   13   15   24    5 |    29   36   29   28   50   27   37   29   35   34    28
  11  |    5   20   10    9   75    5   15    8   11   20    4 |    23   41   28   22   45   25   37   22   28   27    25
  12  |    8   21   11    8   25    7   21    6    6   20    4 |    21   32   26   26   46   26   29   22   27   30    23
  13  |    8   19    9    7   28    3   18    8    7   11    4 |    11   31   19   15   44   14   27   10   12   14    12
  14  |    8   24   10   11   38    7   20    8    8   24    5 |    11   27   18   16   36   14   25    9   18   15    13
  15  |    9   26    7    9   29    4   21    9   12   24    5 |    10   28   12   14   34   10   23   15   16   16    11
  16  |   11   22    8   11   36    5   20    8   10   26    5 |    13   27   17   16   41   14   23   14   18   35    15
  17  |   11   15   10   19   88    6   16    9    7   23    5 |    22   23   18   20   49   17   21   23   22   22    17
  18E |    9   21    8   13   49    3   19    6    9   15    4 |    18   27   21   22   46   18   28   16   23   21    20
  19  |    7   13    8    7   51    3   14   16   14   33    5 |    13   18   15   14   31   14   18   20   20   26    13
  20E |    8   17   11    9   26    6   16   17   13   15    5 |    17   26   21   21   33   19   25   22   23   22    17
  21  |    9   16    8    7   56    5   17    7    9   30    4 |    16   28   21   14   47   16   30   13   23   21    18
  22E |    9   14    9   10   50    5   18    8    9   18    4 |    14   21   17   17   53   15   23   14   24   14    16
  23  |   11   24   13    9   28    5   23   11    7   14    5 |    12   32   21   14   39   15   27   11   12   16    12
  24  |    5    9    6    7   67    3    9    8    6   14    3 |    16   23   21   18   35   18   20   19   23   26    20
  25  |    8   17    8    8   28    4   14   10    9   13    4 |    16   26   21   18   29   16   27   20   17   16    16
  26  |    8   14    7    7   26    5   10   10    8   13    3 |    12   16   12   13   21    9   17   13   15   13    10
  27  |   11   16    8    9   15    6   12   10    7   17    4 |    17   22   14   14   30   13   18   19   15   14    12
  28  |    9   23   11    9   35    5   18    8   11   12    4 |    13   26   17   13   37   12   23   15   17   17    12
  29  |    5   16    7    8   44    7   17    9   10   28    4 |    16   25   20   15   44   15   25   15   19   19    17
  30  |    9   17    9    7   36    7   19   12    8   24    4 |    38   48   43   41   50   44   52   44   43   48    43
  31  |    8   20   10    9   30    8   15   11    8   16    4 |    13   27   18   16   36   17   25   15   18   17    15
  32E |   16   26   12   10  106    7   17   12   16   21    5 |    91   97   96   92   98   94   97   95   88   92    91
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   18    9   10   50    6   16   10   10   21      |T   23   32   25   24   42   24   30   23   26   27    24
 WRMS |    9   18    9   10   48    6   15   10    7   20      |NE  17   25   18   16   34   18   23   16   18   20    17
 MEDI |    8   17    8    9   38    6   17   10    9   20      |MD  16   26   20   17   36   16   25   19   20   21    17

Table 3.1512.2   GPS week: 1512   Day: 2   MJD: 54830.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |    6  ---  ---  ---  ---   27  ---  ---  ---  ---    0 |    37  ---  ---  ---  ---   43  ---  ---  ---  ---    37
   2  |    9   19    7   13   41    7   18   14   10   21    5 |    21   32   23   19   39   25   31   24   27   25    22
   3  |    8   14   10    6   95    7   12   10    7   26    4 |    24   28   26   24   54   26   22   25   24   34    24
   4  |   12   15   10   12   44    6   10   14   10   23    4 |    28   27   31   29   30   29   25   26   34   32    27
   5E |   16   17   13   18   42    6   21   11   13   33    6 |   111  113  109  118  121  108  112  107  112  117   111
   6  |    6   13   11    5  103    6   11   14    9   22    4 |    29   29   29   27   63   29   24   31   33   35    29
   7  |    8   23    9   13   27    6   17   14   10   21    5 |    22   39   27   25   36   29   33   26   24   24    23
   8  |   11   14    6   13   19    5   12    8    8   17    4 |    17   27   23   22   25   22   25   23   24   21    19
   9  |    7   20    7    8   42    5   16    8    9   13    4 |    16   30   19   14   37   19   25   18   18   22    17
  10E |   14   26    9   15   43    9   19   16   13   28    6 |    24   35   27   24   46   26   28   30   31   37    24
  11  |    9   20   11    9   90    7   15    9   11   17    4 |    25   39   26   27   57   29   35   27   29   29    26
  12  |    9   21   13    9   23    7   23    7   12   20    5 |    21   36   30   24   47   25   30   24   29   23    24
  13  |    8   21   11    8   27    6   17    6    6   13    4 |    19   39   25   21   44   28   32   23   19   21    21
  14  |   13   24   11    9   39    6   21    9    7   22    5 |    17   35   24   21   39   22   31   19   25   25    21
  15  |    7   24    9   12   30   10   22    9   10   22    5 |    18   32   20   20   40   24   31   23   21   24    19
  16  |    6   29   10    7   31   12   19   14    7   37    5 |    23   43   27   21   43   27   30   25   27   43    24
  17  |    8   16   12   16  114    7   16   10   10   19    4 |    24   22   20   20   82   22   24   25   28   21    20
  18E |    9   21   16   16   52    7   15    8   14   10    5 |    26   38   32   33   51   33   34   29   35   29    31
  19  |    7   16   10    7   35    5   14   12   10   27    4 |    19   25   22   19   32   21   22   25   25   28    19
  20E |    7   21   13   18   36    5   18   11   10   14    5 |    23   37   30   30   39   27   29   31   29   36    27
  21  |   10   20   10    8   56    6   17    8   12   28    5 |    21   35   29   21   52   27   37   23   30   29    25
  22E |   10   15   14   18   39    5   18    8   14   14    5 |    17   27   21   23   44   22   26   23   28   23    20
  23  |    9   26    9    9   21    6   17    9    9   12    4 |    19   39   26   19   39   28   29   21   23   23    20
  24  |    5   13   11    7   61    5   11    7   10   16    3 |    26   31   29   29   33   27   31   28   33   33    29
  25  |    6   16   10   10   31    6   12    9   11    9    4 |    17   30   24   22   30   24   29   22   20   18    19
  26  |    9   16    7   11   26    7   11    9   12    9    4 |    20   27   24   26   27   26   27   27   22   26    22
  27  |   10   16    5   12   17    5   13    8    6   17    4 |    17   28   24   22   24   24   25   24   23   20    19
  28  |   10   22   12   12   42    7   16    9   11   12    4 |    17   29   22   17   40   21   25   19   21   22    17
  29  |    6   16   11    9   45    8   16   13   16   29    5 |    18   30   22   17   34   22   30   21   25   24    20
  30  |    9   14    9    8   21    7   18   14    9   20    4 |    51   59   58   56   60   56   62   53   56   54    55
  31  |    7   21   11    8   37    7   19   10   12   16    4 |    17   33   22   17   42   20   30   20   25   25    20
  32E |   22   23   16   17   74   16   19   46   26   27   10 |    74   78   75   77   82   75   78   64   74   79    71
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   20   11   12   52    7   17   13   11   21      |T   26   37   30   28   46   30   33   29   31   32    28
 WRMS |    9   20   10   12   48    7   16   10    8   19      |NE  21   31   24   21   40   25   28   23   25   25    22
 MEDI |    9   20   10   10   39    6   17    9   10   20      |MD  21   32   26   22   40   26   30   25   27   25    22

Table 3.1512.3   GPS week: 1512   Day: 3   MJD: 54831.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |    6  ---  ---  ---  ---   41  ---  ---  ---  ---    0 |    40  ---  ---  ---  ---   41  ---  ---  ---  ---    41
   2  |    9   19   10    9   37    6   18   13    8   20    4 |    22   30   22   23   43   20   34   24   22   26    23
   3  |    8   14   12    7  105    7   13   12   12   29    4 |    29   28   25   28   68   27   26   30   31   42    27
   4  |   11   14   10    7   42   10    9   16   15   20    4 |    24   26   30   25   23   28   23   24   28   30    25
   5E |   16   18   12    8   55   11   17    9   15   22    5 |    73   79   77   70   88   72   77   70   70   77    73
   6  |    7   12   12    5   96    7   12   12    9   24    4 |    30   29   22   32   55   27   26   32   34   38    28
   7  |    8   24    7   10   28    9   19    7   10   21    4 |    23   35   25   26   41   27   34   24   25   22    24
   8  |    9   17   11   10   22   10   12   13   12   18    4 |    15   25   15   19   34   17   23   20   14   17    15
   9  |   11   17    8    7   56   11   19   10   18   12    4 |    19   28   20   13   38   11   25   14   17   17    16
  10E |   16   20   14   11   37   13   17   16   16   31    6 |    30   37   36   35   47   30   35   38   37   43    34
  11  |    7   20    7    8   95    7   15    8   13   20    4 |    33   43   35   32   57   28   37   30   35   29    31
  12  |   13   24   10    9   42    9   21    7   14   18    5 |    27   38   35   31   64   31   34   27   32   25    30
  13  |    6   20    8    7   37    7   18    6    7   12    4 |    15   29   19   19   48   16   28   15   13   16    16
  14  |   10   21    9    7   41   10   20    7   10   18    4 |    20   31   23   15   35   16   28   16   25   17    20
  15  |    9   23   13   10   47   10   23    9   15   23    5 |    14   29   17   18   53   18   26   19   23   19    17
  16  |    8   34   17   10   50    5   18   13   12   35    6 |    14   36   19   15   45   10   23   15   20   33    14
  17  |   11   14   10   14  105    6   16    9   12   21    5 |    22   26   21   24   73   21   26   22   29   22    22
  18E |    8   24   11   12   47    5   19    8    8   11    4 |    25   37   23   27   48   26   35   26   29   31    28
  19  |    7   17   15    6   34   15   15   14   15   29    5 |    17   21   22   20   41   23   21   19   26   20    16
  20E |    8   19   11   10   38    7   18   15   13   17    5 |    21   30   21   26   50   24   28   25   27   32    23
  21  |   11   16    9    9   38    7   19    9    9   26    4 |    18   32   25   19   48   17   34   17   23   24    21
  22E |   10   17    9    8   39    8   15    8   13   11    4 |    21   29   21   20   46   20   31   22   29   21    23
  23  |   11   24   10    7   29    8   19    9   13   10    4 |    15   31   20   17   44   14   27   14   17   16    15
  24  |    9   10    7    8   42    6   10    6   10   15    3 |    21   28   28   28   31   25   24   23   31   25    26
  25  |    7   13    6    7   31    7   13   10   10   15    3 |    18   21   21   20   27   17   26   20   18   14    18
  26  |   11   13    8    7   31   11   10    9   15   13    4 |    16   23   15   17   31   16   21   19   21   16    16
  27  |    9   16   10   10   22    9   13   12   10   18    4 |    17   25   16   20   32   19   23   22   18   17    17
  28  |    9   21   10    6   60    6   16    8   12   15    4 |    15   26   21   19   50   16   22   16   21   21    17
  29  |    8   16   10    8   31    8   18    8   13   28    5 |    22   28   23   24   35   21   29   21   24   20    23
  30  |   34   20    9   13   48   13   19   16   13   18    7 |    67   75   68   68   91   62   77   71   64   66    66
  31  |    6   24   16    7   29    8   18    8   14   17    5 |    18   35   24   16   38   18   29   18   26   17    20
  32E |   20   23    8   13   80   13   25   34   23   21    8 |    66   70   64   66   92   62   71   66   61   70    64
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   12   19   11    9   54    9   17   12   13   20      |T   25   34   27   26   48   25   32   26   28   28    26
 WRMS |    9   19   11    9   60    9   17   10   12   18      |NE  21   28   22   21   42   21   26   20   23   22    21
 MEDI |    9   19   10    8   41    8   18    9   13   18      |MD  21   29   22   23   46   21   28   22   26   22    23

Table 3.1512.4   GPS week: 1512   Day: 4   MJD: 54832.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |    6  ---  ---  ---  ---   52  ---  ---  ---  ---    0 |    19  ---  ---  ---  ---   43  ---  ---  ---  ---    19
   2  |    9   18   12    8   68    9   18   16   14   20    5 |    15   29   20   16   51   15   29   23   17   18    18
   3  |    9   13    7    8   59    9   10    8   10   23    4 |    20   25   25   21   20   17   18   21   25   32    21
   4  |    9   12   12    6   44    9   10   20   16   19    5 |    24   24   20   28   28   26   20   29   24   29    23
   5E |   13   17   10   10   74   12   15   10   14   26    5 |    74   80   76   76  107   75   78   74   71   81    75
   6  |    7   12    6    7   73    7    9    8    7   17    3 |    24   27   27   30   28   25   23   28   30   30    26
   7  |    5   20   10   10   28    7   18    8    9   21    4 |    15   30   18   17   39   17   27   17   20   21    16
   8  |    9   19    8    7   22    7   12   12    9   16    4 |    14   23   14   12   32   11   19   20   16   19    12
  X9  |    8  ---    8    9   37   14   14    9   14   16    4 |     8  ---   14   15   32   14   20   11   16   17    10
  10E |   16   32   10   12   41    8   20   19   13   36    7 |    15   39   19   22   46   18   26   25   26   39    21
  11  |    7   18    7    9  106    9   16    6   11   16    4 |    21   36   22   25   66   21   32   20   22   22    22
  12  |   11   24   13    9   38    9   22    7    7   18    5 |    37   44   45   40   69   39   36   38   34   39    38
  13  |    7   20   10    5   31    6   17    9   14   12    4 |    11   31   18   13   43   14   26   10   22   15    13
  14  |    8   21    8    8   36    7   20    8   11   20    4 |    13   25   15   15   36   14   27   12   19   13    15
 X15  |    9  ---    7    9   27    8   23    7   11   26    5 |     9  ---   16   15   39   13   23   13   17   22    12
  16  |    9   26    9   10   31   11   21   11    9   24    5 |    19   31   20   20   32   22   28   18   21   29    18
  17  |    8   15   11   20   79    7   14    9   12   22    5 |    24   22   17   20   59   16   23   27   21   20    18
  18E |    9   26   10   15   56    8   19    8   11   16    5 |    25   38   27   28   43   26   33   26   34   27    26
  19  |    8   16    7    6   39    9   17    9   12   27    4 |    15   22   18   18   27   20   20   19   23   21    15
  20E |    7   20   10   14   50    6   14   13   13   13    4 |    19   28   20   20   54   20   27   26   29   24    20
  21  |    9   17    7    7   52    9   18    8   12   26    4 |    17   30   18   15   50   18   30   18   20   18    17
  22E |    8   16   10    6   42    8   15    9    8   12    4 |    17   27   19   18   51   20   26   19   24   20    19
  23  |    8   25   10    8   28    8   21    9   10   11    4 |    11   32   20   12   41   12   24   12   21   14    12
  24  |    4   11    6    7   49    7    7    7   10    9    2 |    17   20   20   23   24   21   20   19   23   21    20
  25  |    6   14    8    4   27    6   14    9    8   10    3 |    10   19   16   14   28   13   23   14   16   12    12
  26  |    8   15   10    7   20    6    9    8    9   11    3 |    11   20   13   15   31    9   17   13   16   16    10
  27  |    9   17    8    7   21    8   12   12    6   17    4 |    13   21   13   12   26   12   17   21   15   18    12
  28  |    7   22    8    7   69    8   12    7    9   11    3 |    13   25   15   15   49   14   20   17   15   18    12
  29  |    5   15   10    7   59    8   17   12   10   28    4 |    14   24   17   14   53   18   25   18   14   18    15
  30E |   16   23    9   13   65   12   18   11    9   19    5 |    65   67   63   62   96   60   67   61   63   59    61
  31  |    5   19   11   15   32    5   18    7   13   14    4 |    15   27   16   21   37   18   25   17   25   18    16
  32E |   15   21   13   11   66   12   21   24   16   15    6 |    57   65   65   61   75   62   67   68   67   70    62
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   19   10   10   52    8   16   11   11   19      |T   21   32   24   23   45   23   28   24   26   26    22
 WRMS |    8   19    9   10   55    8   16    9    9   18      |NE  15   25   17   17   38   17   23   18   19   19    15
 MEDI |    8   18   10    8   42    8   17    9   11   17      |MD  15   27   19   18   41   18   25   19   22   21    18

Table 3.1512.5   GPS week: 1512   Day: 5   MJD: 54833.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |    6  ---  ---  ---  ---   42  ---  ---  ---  ---    0 |    30  ---  ---  ---  ---   53  ---  ---  ---  ---    32
   2  |    8   19    9    7   46    7   19   15    9   21    4 |    16   27   20   16   38   20   30   22   22   14    18
   3  |   10   13    8    7   61    4   11    8    8   23    3 |    23   27   21   25   30   24   22   26   27   36    24
   4  |   14   13    9    8   43    9   11   15   11   20    4 |    17   17   18   19   26   17   14   27   27   28    18
   5E |   13   17   11   13   45    6   19   14    9   31    5 |    54   64   64   61   77   57   69   57   60   53    58
   6  |    8    9    7    6   62    5   11    8    9   20    3 |    22   24   21   27   22   23   20   26   26   26    23
   7  |    7   20    8   12   27    4   16    8    8   22    4 |    22   34   23   26   44   25   32   24   22   24    23
   8  |    8   15    6    8   17    4   13    9    8   15    3 |    18   24   19   18   29   19   25   24   18   24    18
   9  |   12   17    8    8   51    6   15   10   10   16    4 |     9   25   15   13   31   12   19   13   14   17    10
  10E |   17   19   11   10   41    9   20   10    9   17    5 |    31   37   36   33   45   32   34   31   33   34    31
  11  |    7   18    7    7  127    6   16    7    9   16    3 |    18   33   24   21   78   20   31   19   21   21    20
  12  |   21   22   12   10   40    7   23   13    7   19    5 |    50   62   60   63   82   52   62   59   55   48    54
  13  |    7   19    8    7   31    6   16    5    8   13    3 |    13   28   19   18   45   18   28   14   15   15    15
  14  |    8   33   11    8   40    7   18   10    5   19    5 |    13   39   19   15   36   17   23   18   23   15    18
  15  |    8   19   14    9   35    7   24   10    9   29    5 |     7   22   17    9   39    9   23   10   15   17     9
  16  |   14   29    9   10   42    7   26   10    7   19    5 |    26   41   28   28   44   26   35   24   29   28    26
  17  |   11   17   15   24   65    8   23    8   11   26    6 |    17   22   22   22   33   15   27   19   18   23    14
  18E |   12   23   12   10   51    5   20    7   10   18    5 |    28   38   28   29   39   28   33   28   32   32    28
  19  |    7   13    9    8   55    6   15    9    6   32    4 |    11   18   17   16   31   13   18   15   15   18    12
  20E |    9   15    7   10   32    6   17    6    9   15    4 |    21   26   21   22   41   21   28   23   28   26    20
  21  |    9   16    8    7   69    6   18    9    8   29    4 |    16   29   21   18   51   18   32   17   19   20    17
  22E |   10   17   12   12   36    6   16    8    5    9    4 |    16   26   19   21   45   20   25   20   26   21    19
  23  |    8   23    9    7   27    7   18    5    7   12    4 |    12   29   19   16   41   17   26   14   16   13    14
  24  |    6   10    5    6   60    5   11    6    6    8    2 |    17   21   19   17   26   17   20   18   20   23    18
  25  |    7   12    7    7   36    5   14   10    5   12    3 |    15   23   19   19   30   17   27   20   16   16    16
  26  |    9   15    9   11   41    9   12    8    7   12    3 |    13   20   14   15   30   13   21   13   16   14    11
  27  |    9   14    8    7   14    4   13   11    7   16    3 |    18   22   18   17   32   19   23   25   18   24    18
  28  |    8   19   11    8   36    6   19    8    7   12    4 |    15   26   18   13   43   16   23   17   16   19    15
  29  |    8   16   11    7   56    8   20   15    9   29    5 |    18   27   21   21   45   19   29   21   22   19    20
  30E |   17   19   11   11   57    6   20   10    9   20    5 |    55   62   59   51   39   57   60   54   53   57    56
  31  |    8   19   10    5   35    6   19    7   10   15    4 |    14   29   20   19   41   18   27   18   21   15    18
  32E |   15   22    8    9   66    9   20   14   14   21    5 |    64   71   71   69   87   71   73   67   68   72    67
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   18   10   10   51    7   18   10    8   20      |T   22   32   26   25   42   25   30   25   26   26    23
 WRMS |    9   18    9   10   53    6   17    9    7   19      |NE  16   25   19   18   37   19   24   19   19   20    17
 MEDI |    8   17    9    8   42    6   18    9    8   19      |MD  17   27   20   19   39   19   27   21   22   23    18

Table 3.1512.6   GPS week: 1512   Day: 6   MJD: 54834.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |    6  ---  ---  ---  ---   19  ---  ---  ---  ---    0 |    44  ---  ---  ---  ---   40  ---  ---  ---  ---    46
   2  |    7   21   14    9   54    9   18   21   11   20    5 |    22   34   22   20   50   24   31   32   23   24    23
   3  |   12   14    6    7   64    6   16   15   11   26    4 |    23   27   25   27   42   23   22   28   27   37    25
   4  |    9   13    9    7   39    7   11   24   10   20    4 |    31   30   35   32   38   32   28   35   34   37    33
   5E |   13   17   10    8   59    7   19   16    8   32    5 |    50   56   57   52   67   55   58   50   55   62    54
   6  |    8   13    5    6   58    7   16   12    9   24    4 |    29   32   31   35   41   30   30   33   39   36    32
   7  |    6   18    8   13   25    7   16   15   12   24    5 |    21   30   22   20   45   23   29   22   24   24    20
   8  |    7   17    8    6   24    5   15   16   12   18    4 |    19   23   21   19   33   17   22   21   19   21    17
   9  |    8   15    9    5   40    5   13   14   10   23    4 |    15   25   18   15   33   17   19   18   20   25    18
  10E |   17   23   12   14   60   10   24   20   12   19    6 |    40   47   42   45   56   43   49   50   43   45    40
  11  |    7   20    8    6  113    5   16   10    7   16    4 |    27   37   27   30   78   27   33   30   24   28    27
  12E |   12   20    9   18   32    7   22   13    6   19    5 |    31   40   46   48   48   39   36   39   39   44    40
  13  |    6   17    8    7   44    6   14   13   11   15    4 |    18   30   20   19   53   19   27   16   21   18    18
  14  |    9   26   15   11   44    5   19   13    8   18    5 |    19   31   25   24   40   19   22   21   17   21    22
  15  |    7   26   14   10   45    9   27   11   14   29    6 |    15   30   19   15   41   18   27   16   24   25    18
  16E |   10   26   10   11   48    7   23   17   10   28    6 |    29   38   34   40   52   31   38   37   32   33    33
  17  |   10   19    9   14   75    6   18    8   10   28    5 |    30   32   27   31   67   26   32   27   25   27    27
  18E |    9   24    8   15   48    6   21   10    8   16    5 |    32   44   32   28   49   29   41   30   30   35    33
  19  |    8   17    7   10   45    7   17   12   12   33    5 |    19   25   20   20   36   19   24   21   22   30    19
  20E |    9   18    5   17   52    5   17   12   11   18    5 |    27   38   29   33   56   28   37   30   34   33    30
  21  |    9   18    8    7   60    6   19    8    9   34    5 |    27   36   26   21   63   26   39   23   25   29    26
  22E |    8   18   10    7   37    5   16   14   10    9    4 |    20   31   21   19   43   22   30   23   24   24    22
  23  |    9   24    8   10   35    5   15   14   11   13    4 |    17   29   19   17   44   18   22   16   20   17    17
  24  |    6   11    5    5   57    4   11   10    7   11    3 |    26   25   34   27   35   28   28   31   30   33    31
  25  |    7   12    6    6   37    6   13   15   12   10    3 |    14   20   18   14   28   15   22   16   19   16    15
  26  |    9   13   11    7   37    6   12   10   12   18    4 |    17   20   17   16   29   17   21   17   20   25    17
  27  |    7   17    7    6   26    4   15   18   12   23    4 |    20   24   20   18   32   19   20   22   22   22    18
  28  |   16   17    8    8   51    6   17   10   13   13    4 |    26   27   21   24   44   21   26   23   20   24    20
  29  |    6   17   10    6   41    9   20   21    6   29    5 |    22   27   29   21   47   21   31   28   25   24    25
  30E |   17   21   14    9   78    9   21   16   10   30    6 |    84   82   90   84  109   80   88   89   81   71    82
  31  |    8   22   11    8   33    8   19    9   10   10    4 |    20   28   24   20   49   22   29   23   22   21    22
  32E |   16   24   10   10   67   10   17   16   12   26    5 |    80   84   80   82   86   78   81   82   76   90    81
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   19   10   10   52    7   18   14   10   22      |T   28   34   30   29   49   28   33   30   30   32    29
 WRMS |    8   19    9   10   55    6   18   13    9   20      |NE  22   28   23   22   44   22   26   23   23   25    23
 MEDI |    8   18    9    8   45    6   17   14   10   20      |MD  23   30   25   24   45   23   29   27   24   27    25



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 4.1512   GPS week: 1512   MJD: 54828.0-54834.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3059 |U    7     8    16 |U    9    13    31 |U   13    10    23 |
emr | emr 2936 |    14    12    32 |    15    17    44 |    13    11    25 |
esa | esa 2976 |     7     8    17 |    10    12    33 |    14    11    24 |
gfz | gfz 2951 |U   12    10    24 |    13    16    45 |    15    11    28 |
igr | igr 2906 |     9     8    21 |    11    14    36 |    13    10    25 |
igs | igs 2913 |    12    10    22 |    12    14    38 |    12    10    27 |
jpl | jpl 2963 |U   13    10    28 |    12    16    37 |    13    11    29 |
mit | mit 2976 |U   10     9    23 |    12    17    42 |U   17     9    36 |



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 5.1512.0   GPS week: 1512   Day: 0   MJD: 54828.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3025 |     5     6    16 |  ----  ----  ---- |    13    12    26 |
emr | emr 2968 |    15    11    22 |  ----  ----  ---- |    12    12    26 |
esa | esa 2976 |     6     8    18 |  ----  ----  ---- |    14    12    26 |
gfz | gfz 2958 |    12    11    24 |  ----  ----  ---- |    14    12    30 |
igr | igr 2958 |     6     8    17 |  ----  ----  ---- |    13    11    26 |
igs | igs 2954 |    13    11    18 |  ----  ----  ---- |    12    11    25 |
jpl | jpl 2967 |    12    10    24 |  ----  ----  ---- |    12    13    30 |
mit | mit 2976 |    11    10    18 |  ----  ----  ---- |    39    11    76 |

Table 5.1512.1   GPS week: 1512   Day: 1   MJD: 54829.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3059 |     5     8    15 |     7     8    22 |    13    11    24 |
emr | emr 2968 |    11     8    22 |    10    12    33 |    12    10    27 |
esa | esa 2976 |     6     8    16 |     7     9    27 |    14    11    23 |
gfz | gfz 2957 |    11    11    28 |    12    12    46 |    14    11    30 |
igr | igr 2968 |     6     9    21 |     9    11    27 |    12     9    22 |
igs | igs 2960 |    10     9    22 |     8    10    25 |    12    10    23 |
jpl | jpl 2968 |    10     9    22 |    10    12    28 |    13    15    31 |
mit | mit 2976 |    10     9    19 |    11    15    34 |    12    11    32 |

Table 5.1512.2   GPS week: 1512   Day: 2   MJD: 54830.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3070 |    12    12    17 |    11    13    32 |    14    11    26 |
emr | emr 2966 |    19    13    24 |    14    13    39 |    13    11    28 |
esa | esa 2976 |    11    11    15 |    12    12    32 |    13    10    26 |
gfz | gfz 2954 |    16    10    18 |    12    13    45 |    16    11    31 |
igr | igr 2965 |    15     9    18 |    12    12    35 |    12     9    27 |
igs | igs 2955 |    13    13    15 |    13    11    38 |    12    10    35 |
jpl | jpl 2964 |    16    11    20 |    13    12    41 |    12    10    26 |
mit | mit 2976 |    12    12    16 |    15    15    46 |    19    11    43 |

Table 5.1512.3   GPS week: 1512   Day: 3   MJD: 54831.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3059 |     7     8    17 |    15    26    58 |    14     9    24 |
emr | emr 2964 |    10     8    27 |    18    27    62 |    11     8    24 |
esa | esa 2976 |     8    10    17 |    14    24    50 |    15    11    26 |
gfz | gfz 2955 |     9     9    19 |    18    26    65 |    18    12    28 |
igr | igr 2816 |     8     8    19 |    16    25    57 |    15    12    33 |
igs | igs 2761 |     8    10    19 |    16    23    64 |    15    10    43 |
jpl | jpl 2964 |     8     9    27 |    20    28    58 |    12     9    32 |
mit | mit 2976 |     7     8    24 |    18    22    74 |    16     9    28 |

Table 5.1512.4   GPS week: 1512   Day: 4   MJD: 54832.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |     8     6    18 |     9     9    25 |    14     9    21 |
emr | emr 2772 |    18    22    60 |    17    24    44 |    14    14    24 |
esa | esa 2976 |     8     7    17 |    10     8    31 |    15    11    21 |
gfz | gfz 2945 |    13    10    24 |    13    24    38 |    14     9    25 |
igr | igr 2759 |     8     9    25 |    12    12    38 |    13    11    25 |
igs | igs 2950 |    12     8    23 |    12    19    30 |    12    10    21 |
jpl | jpl 2964 |    14     7    24 |    12    16    28 |    14     9    21 |
mit | mit 2976 |    10    12    31 |    11    20    29 |    13     8    19 |

Table 5.1512.5   GPS week: 1512   Day: 5   MJD: 54833.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3068 |     5     6    12 |     6     7    21 |    13    10    21 |
emr | emr 2960 |    14     9    35 |    14     8    43 |    14    10    23 |
esa | esa 2976 |     7     5    15 |     8     8    26 |    13    11    19 |
gfz | gfz 2949 |     8     6    16 |    14     5    33 |    15    12    26 |
igr | igr 2918 |     5     4    15 |     7     8    21 |    13    10    19 |
igs | igs 2895 |    13     9    29 |    10     8    33 |    11     9    21 |
jpl | jpl 2959 |    13     9    34 |     6    10    31 |    14    12    31 |
mit | mit 2976 |    10     6    24 |     7    11    27 |    13    10    25 |

Table 5.1512.6   GPS week: 1512   Day: 6   MJD: 54834.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3060 |     5     7    15 |  ----  ----  ---- |    12     9    22 |
emr | emr 2960 |    15    12    35 |  ----  ----  ---- |    13     9    25 |
esa | esa 2976 |     6     6    19 |  ----  ----  ---- |    12    10    24 |
gfz | gfz 2945 |    13    13    37 |  ----  ----  ---- |    12    10    30 |
igr | igr 2964 |    14    11    32 |  ----  ----  ---- |    11     8    25 |
igs | igs 2921 |    13    11    32 |  ----  ----  ---- |    11     9    24 |
jpl | jpl 2959 |    14    13    42 |  ----  ----  ---- |    12     7    30 |
mit | mit 2976 |     7     9    31 |  ----  ----  ---- |    11     7    28 |


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 6.1512   GPS week: 1512   MJD: 54828.500-54834.500

                                                         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      17      15     -31     -5 |       1     21
            |      17      17      67      70     10 |       4
emr   uuuuu |      21     -17    -127      -6     -4 |      43     47
            |      27      41     172      74     13 |       4
esa   uuuuu |      -2      21     207      71     17 |     -10     31
            |      40      32     136     116     19 |       9
gfz   uuuuu |      -3       8      28     -11      7 |     -17     28
            |      12      11      57      54      4 |       4
grg   xxxxx |     -39      10       1     -59     -2 |       2     35
            |      39      27     116     109     31 |       2
igr   xxxxx |      21      27      64      -3     16 |       1     25
            |      25      17     132      63     16 |       9
irf   xxxxx |      -2      37      -8      14      3 |       2     20
            |       8       6      27      45      4 |       3
jpl   uuuuu |      36      13      85      -4     -7 |      20     33
            |      24      26     161      78     25 |       6
mit   uuuuu |      10      32    -216       6     -2 |      -1     19
            |      15      18      39      92      9 |       3
ngs   uuuuu |     -28     -19      -9     -57     -8 |       2     22
            |      61      49      88     163     12 |       4
sio   uuxxu |      -8    -132       6      -9     -4 |       6     19
            |      20      45      75      51     11 |       3


Table 7.1512.0   GPS week: 1512   Day: 0   MJD: 54828.500

                                                         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 |     -12      44     -68       6     -2 |      -6     21
emr   uuuuu |      26     -11    -198     -73     -2 |      36     40
esa   uuuuu |     -41     -16     262     -96      9 |     -23     31
gfz   uuuuu |      -5      18       2     -21      6 |     -24     30
grg   xxxxx |      -8      56     -24      -7    -60 |       2     38
igr   xxxxx |       1      50     -10      34      6 |     -14     22
irf   xxxxx |     -15      35     -12      16     -4 |      -3     19
jpl   uuuuu |      34      -3     -12      97     19 |       9     24
mit   uuuuu |     -17      53    -240     -48    -12 |      -3     20
ngs   uuuuu |      38      -3      77     162     11 |      -4     18
sio   uuxxu |     -10    -166    -118     -26    -19 |       3     19

Table 7.1512.1   GPS week: 1512   Day: 1   MJD: 54829.500

                                                         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 |       8      24      57     -49      8 |      -2     23
emr   uuuuu |      60       2    -162      26      9 |      40     45
esa   uuuuu |       7     -32     238     -62     38 |     -19     31
gfz   uuuuu |     -10       2      76     107      0 |     -20     29
grg   xxxxx |     -21      34    -170      50     -4 |      -1     39
igr   xxxxx |      -9      13       7       0     19 |      -8     22
irf   xxxxx |       0      26      -3     -16     -1 |       1     21
jpl   uuuuu |      16     -22     -50      41     18 |      18     30
mit   uuuuu |       9      41    -241    -111    -12 |       0     20
ngs   uuuuu |     -45      57      17      47      2 |       2     22
sio   uuxxu |       8    -183      39      15    -17 |       6     20

Table 7.1512.2   GPS week: 1512   Day: 2   MJD: 54830.500

                                                         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 |     -41       7     -69      53      6 |       4     23
emr   uuuuu |      41      33    -328      49      8 |      46     51
esa   uuuuu |      36      42     288     175     38 |     -11     32
gfz   uuuuu |      16      17     -32     -48     13 |     -16     28
grg   xxxxx |     -75       0      72    -193     20 |       0     39
igr   xxxxx |      56      21     139     -21     42 |      -1     23
irf   xxxxx |      -5      41      11     -58      3 |       5     22
jpl   uuuuu |      12      10      81     -85     19 |      24     36
mit   uuuuu |      29      48    -228     -80     -7 |       3     20
ngs   uuuuu |     -99     -67     102      -7    -21 |       7     22
sio   uuxxu |     -28    -175     -59       6     -6 |       9     20

Table 7.1512.3   GPS week: 1512   Day: 3   MJD: 54831.500

                                                         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 |       0      12     112    -138     -9 |       7     22
emr   uuuuu |      -6      24    -294    -130      9 |      48     52
esa   uuuuu |     -13      27     258      69     30 |      -5     31
gfz   uuuuu |      -9       9      59     -22      7 |     -14     26
grg   xxxxx |      22     -24      56      20     25 |       7     37
igr   xxxxx |      -2       8    -154      12     32 |       5     25
irf   xxxxx |       1      34      24      32      6 |       6     22
jpl   uuuuu |      17      15     119     -31    -14 |      28     38
mit   uuuuu |      -4      30    -141      53     -1 |       2     20
ngs   uuuuu |      23     -47    -149     -31    -11 |       7     22
sio   uuxxu |       7    -140     111     -59     -5 |      10     20

Table 7.1512.4   GPS week: 1512   Day: 4   MJD: 54832.500

                                                         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 |     -20      29      15      35     -9 |       2     20
emr   uuuuu |     -17     -47     165      16    -21 |      45     49
esa   uuuuu |      37      57     254      92     18 |      -6     30
gfz   uuuuu |      -4       1      39     -28      8 |     -17     27
grg   xxxxx |     -53       4    -104    -110     27 |       1     30
igr   xxxxx |      42      43      73    -134      9 |       6     25
irf   xxxxx |      -2      44      -8      21      8 |       2     19
jpl   uuuuu |      58      46     -86      86    -34 |      24     36
mit   uuuuu |      19      23    -212      57      9 |      -3     18
ngs   uuuuu |     -86     -62     -91    -212    -18 |       4     23
sio   uuxxu |      -9     -86       3      24      4 |       5     18

Table 7.1512.5   GPS week: 1512   Day: 5   MJD: 54833.500

                                                         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 |       4      12       3    -102     -9 |       1     19
emr   uuuuu |      29     -41     -68     -19    -16 |      43     47
esa   uuuuu |      26      36     251      97      4 |      -3     31
gfz   uuuuu |     -18      18     -52     -55      8 |     -15     27
grg   xxxxx |     -85       6      -6      32      4 |       2     32
igr   xxxxx |      15      40     137      25      9 |       9     27
irf   xxxxx |      12      39      -4      18      6 |       3     20
jpl   uuuuu |      76      48     149     -43    -27 |      20     34
mit   uuuuu |      17      27    -192      17      6 |      -3     18
ngs   uuuuu |     -67     -47     -11     -30    -15 |       1     22
sio   uuxxu |      13    -102       8     -87      8 |       4     17

Table 7.1512.6   GPS week: 1512   Day: 6   MJD: 54834.500

                                                         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 |       0      -9      56     -23    -19 |       0     19
emr   uuuuu |      13     -79      -4      86    -15 |      41     45
esa   uuuuu |     -68      35    -100     224    -14 |      -1     31
gfz   uuuuu |       8     -10     101     -13      6 |     -15     27
grg   xxxxx |     -54      -4     181    -207    -24 |       3     32
igr   xxxxx |      41      12     256      62     -6 |      11     28
irf   xxxxx |      -7      38     -64      88      1 |       3     20
jpl   uuuuu |      36      -1     392     -91    -32 |      18     33
mit   uuuuu |      17      -1    -257     155      5 |      -3     18
ngs   uuuuu |      42      33      -7    -326     -3 |      -1     21
sio   uuxxu |     -40     -71      55      63      8 |       4     16



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