[IGSREPORT-21840] Wk 1739 IGS Final Orbits

IGS ACC igs.acc at noaa.gov
Thu May 23 12:48:47 PDT 2013


Author:  AC Coordinator / NOAA NGS

sum-file Version 2.0
Final IGS Orbit Combination - Week 1739   (May 05, 2013 - May 11, 2013)

Contacts: J. Griffiths (jake.griffiths at noaa.gov)
          K. Choi (kevin.choi 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 at each SP3 epoch. 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 with broadcast GPS time, the IGS clocks use
the linear combination of phase-smoothed P1 and P2 pseudorange data to remove
the 1st order ionospheric delay, with no other delay calibrations 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 over each daily arc. 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 (as part of the separate SINEX combination since GPS
week 1051; weighted according to the orbit combination before that time). 

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 10 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:

igs1739[0-6].sp3  IGS GPS ephemeris files in SP3 format.
igs1739[0-6].clk  IGS GPS satellite and station clocks in clock RINEX format.
igs1739[0-6].cls  IGS GPS clock combination summary report.
igs17397.erp      Earth Rotation Parameters (ERP) and their rates as well as
                  Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                  with IGS ephemerides.
igs17397.sum      Complete report.

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

 1. The centres used in the clock combination are COD, EMR, ESA, GFZ, GRG, MIT, and
    JPL. The other centres are excluded because of poorer consistency, they provide
    broadcast clocks, or clock corrections are not provided (SIO). The clock
    information not used is still compared to the combination for completeness. The
    value of 999999.999999 microseconds, according to the SP3 format convention,
    signifies that no clock solution is available and therefore must not be used.
    
    In general, if an AC does not contribute to the terrestrial reference frame
    (i.e. the SINEX combination), then any corresponding orbits & clocks
    contributed from that AC should not be included with weight in this
    combination. This is done to ensure a high level of consistency between the TRF
    and the orbital frame. However, there is an exception for the clocks if the AC
    is the reference center. In that case, only the clocks from that AC are
    included with weight.
    
    Starting week 1707:
      cod = cof${wwww}[0-6].[clk,snx,sp3] & cod = cof${wwww}7.[erp,sum]

 2. Rapid (IGR) orbits/clocks are included in the combination for statistics only.
    Starting week 1582, a new orbit solution from CNES/GRGS (GRG) is included with
    weight. GRG clocks are included with weight starting 12-Aug-2012 (GPS Week
    1701, day 0, MJD 56151), after a procedural change to generate estimates in
    the center-of-figure frame instead of the center-of-mass frame. GRG LOD
    estimates are included for comparison 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  |  COD   | METS
                0  |  EMR   | 32 TLSE TLSE WUHN
                0  |  ESA   | 30 UNSA
                0  |  GFZ   | 32
                0  |  GRG   | TLSE KARR LHAZ TLSE
                0  |  JPL   | 32
                0  |  MIT   | 30 31 30 31 32 REYK REYK
                1  |  COD   | 31 31 HERT JOZ2 HERT JOZ2
                1  |  EMR   | HERS HERS THTI
                1  |  ESA   | UNSA
                1  |  GRG   | AMC2 CAGZ FAA1 USN3 ABMF AMC2 CAGZ FAA1 MATE USN3
                1  |  MIT   | 28 32 28 32 CAS1 REYK CAS1 REYK
                2  |  COD   | JOZ2 JOZ2 XMIS
                2  |  EMR   | 32
                2  |  ESA   | MATE MATE NOVM
                2  |  GFZ   | 32 KOUR
                2  |  GRG   | 5 TNML ADIS OHI2
                2  |  JPL   | 8 32 ABPO
                2  |  MIT   | 21 28 21 28 32 CAS1 YEBE CAS1 REYK TSKB YEBE
                3  |  COD   | FLRS XMIS
                3  |  EMR   | 32 32 WUHN
                3  |  ESA   | THTI
                3  |  GFZ   | 32
                3  |  GRG   | MAS1 CEDU HYDE MAS1 NOVM
                3  |  JPL   | 32
                3  |  MIT   | MDVJ REYK
                4  |  COD   | JOZ2 XMIS
                4  |  EMR   | THTI TLSE
                4  |  ESA   | IRKJ UNSA
                4  |  GFZ   | DAEJ NTUS
                4  |  GRG   | 25 25 MATE IRKJ MATE NTUS
                4  |  JPL   | 32
                4  |  MIT   | IRKJ MDVJ REYK MDVJ REYK
                5  |  COD   | FLRS
                5  |  EMR   | THTI
                5  |  ESA   | UNSA
                5  |  GFZ   | 8 IRKJ LHAZ WES2
                5  |  GRG   | FAA1 NTUS ADIS FAA1 KARR NTUS THTI
                5  |  JPL   | 32
                5  |  MIT   | IRKJ TWTF BOR1 IRKJ MDVJ TWTF
                6  |  COD   | 32 32
                6  |  ESA   | UNSA
                6  |  GFZ   | IRKT LHAZ
                6  |  GRG   | 13 13 ONSA POLV ADIS ONSA POLV
                6  |  MIT   | 23 32 23 32 MDVJ REYK TSKB

 5. 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 AC clocks are
    corrected for the radial offsets of their satellite orbits compared to the
    combination.

 6. The following table lists all maneuvered satellites for this week. The
    solutions from COD and ESA, which modeled the maneuver, are used that day for
    combination, if available. An associated accuracy code of 0 (unknown) is given
    if only one AC is left (no redundancy). For the long arc evaluation the arc is
    split into two parts at the given maneuver epoch.
    
               PRN |    Date    | Ref. NANU
               ----+------------+----------
               G25 | 2013_05_10 | 2013030 

 7. The following orbit solutions were excluded from the combination because they
    were biasing the weighted average (generally indicated by long arc RMS). They
    were still used for statistics computation.
    
               Day | Centre | PRN list
               ----+--------+---------------
                4  |  GRG   |  25
                6  |  GRG   |  30

 8. 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 G30 |  4 |  4 |    |    |    |  4 |    |

 9. Starting 5-Nov-2006 (GPS Week 1400, day 0, MJD 54044) until 16-Apr-2011 (GPS
    Week 1631, day 6, MJD 55667) 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. The IGS05 frame is also the
    basis for the homogeneously reprocessed IGS products from GPS Weeks 730 to 1459
    (1994-2007); see IGSMAIL #6136.
    
    Starting 17-Apr-2011 (GPS Week 1632, day 0, MJD 55668) all IGS products, are
    based on the IGS realization of the ITRF2008 reference frame (IGS08). For more
    information see IGSMAIL #6354.
    
    Starting 07-Oct-2012 (GPS Week 1709, day 0, MJD 56207) all IGS products, are
    based on the updated IGS08 frame (IGb08). For more information see IGSMAIL
    #6663.

10. Small rotations were applied to all the AC orbit and ERP values in order to
    align them to the current IGS reference frame. These RX, RY and RZ rotations
    were estimated in the IGS SINEX combination process, performed by the IGS
    Reference Frame Coordinator at the Institut Geographique National (IGN).
    Starting on 19-Aug-2012 (GPS Week 1702; MJD=56158), ACs began contributing
    products based on 1d SINEX integrations. As a result, the SINEX combinations
    are now done daily instead of weekly, and the associated daily rotations are
    applied here to the orbits and ERPs. 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 | Day |   [mm]   [mm]   [mm]   [uas]  [uas]  [uas]   [ppb]
     -------+-----+---------------------------------------------------
       COD  |   0 |   -1.2    -.2   -1.0     -48     14      0    -.02
       EMR  |   0 |    -.6   -3.0   21.7      -2     -3     14     .06
       ESA  |   0 |    3.2   -1.5   24.3     102    -91    -18     .29
       GFZ  |   0 |    -.1     .7     .3     -26    -29      6    -.38
       GRG  |   0 |    5.5    7.0   27.0     -34     37    -40     .28
       JPL  |   0 |    9.4    -.7   21.2     -42    -45    -32     .06
       MIT  |   0 |    2.5    1.2   23.3      -3      1    -18    -.07
       NGS  |   0 |    3.5   -7.0   36.7    -290    -48     20     .55
       SIO  |   0 |    6.0   -1.3   45.9     -72     21    137     .19

       COD  |   1 |    -.4     .4   -1.0     -49      9    -25     .06
       EMR  |   1 |    2.7   -5.4   17.3     -32    -17     -5    -.07
       ESA  |   1 |    4.8     .3   22.4      88    -66    -11     .06
       GFZ  |   1 |    -.6    1.5    -.5     -36    -36      3    -.37
       GRG  |   1 |    2.3    1.9   25.6     -36     33    -67     .39
       JPL  |   1 |    1.4   -1.1   19.0     -62      5     -7     .17
       MIT  |   1 |    1.4   -2.2   26.0      -3     -1    -16     .22
       NGS  |   1 |    5.6   -5.8   33.2    -218    -64     44     .48
       SIO  |   1 |    5.9    -.5   28.3  -33850    798  -2280     .41

       COD  |   2 |    -.5    1.3   -1.0     -20     14     45    -.01
       EMR  |   2 |    2.6   -2.8   21.9     -32    -28     10    -.09
       ESA  |   2 |    5.4   -2.6   19.0      73    -46    -24     .47
       GFZ  |   2 |    -.2    2.1    -.8     -10    -41     25    -.38
       GRG  |   2 |    2.1   -3.6   23.1     -38     44    -44     .45
       JPL  |   2 |    2.0   -4.2   19.2     -58    -23     17     .02
       MIT  |   2 |    6.2   -1.0   26.8      -5     -1    -21     .22
       NGS  |   2 |    7.5   -1.6   37.3    -206    -77     75     .30
       SIO  |   2 |    3.5   -1.0   41.2     -65     70    109     .16

       COD  |   3 |     .2    1.7    -.8     -11     -5      1     .04
       EMR  |   3 |    3.9    1.7   20.4     -38    -25      7     .10
       ESA  |   3 |    5.0    2.4   26.3     125    -88     -8     .39
       GFZ  |   3 |    -.2    1.6   -1.0     -25    -44     11    -.20
       GRG  |   3 |    3.9     .1   22.5     -43     30    -43     .56
       JPL  |   3 |    9.0   -2.9   20.0     -52     42     -8    -.05
       MIT  |   3 |    5.7   -1.9   22.2       2      3    -23     .25
       NGS  |   3 |    9.8    -.8   38.6    -202   -123    101     .46
       SIO  |   3 |    2.1   -1.2   32.6  -34844    789  -2635    -.66

       COD  |   4 |     .4    1.2   -1.2     -17     -4     10     .21
       EMR  |   4 |    8.1   -3.7   23.3     -34    -18     15     .41
       ESA  |   4 |    7.4    -.6   25.2     141   -129    -12     .45
       GFZ  |   4 |    -.1    1.7    -.8     -20    -37     14    -.17
       GRG  |   4 |   10.9    2.0   33.9     -42     27    -25     .38
       JPL  |   4 |    6.0   -2.7   18.3     -29     15     77     .17
       MIT  |   4 |    5.7    -.6   21.0      -4     -4    -20     .28
       NGS  |   4 |   10.7   -5.7   30.8    -187   -103     85     .62
       SIO  |   4 |    3.9   -3.1   19.9  -32630    954  -1987    -.56

       COD  |   5 |     .5    1.7   -1.4     -21    -10     14     .39
       EMR  |   5 |    7.5   -3.6   26.2     -55    -26     22     .51
       ESA  |   5 |    7.0   -2.8   24.1      57    -81     -2     .61
       GFZ  |   5 |    -.7    1.3    -.8     -28    -40     13    -.09
       GRG  |   5 |    9.2   -4.7   34.9     -20     31    -48     .50
       JPL  |   5 |    2.3   -1.8   22.5     -50     -4     -6     .40
       MIT  |   5 |    3.5    -.3   27.6      -3     -7    -15     .40
       NGS  |   5 |    3.3   -7.8   34.1    -229    -53     18     .62
       SIO  |   5 |     .4   -5.5   39.5    -131     46     10    -.43

       COD  |   6 |    -.4    1.4    -.2     -26      3     18     .10
       EMR  |   6 |    4.5   -7.6   21.2     -46    -23     11     .13
       ESA  |   6 |    1.0   -1.9   21.5      61     -9      1     .27
       GFZ  |   6 |    -.7    1.7    -.5     -22    -35      5    -.29
       GRG  |   6 |    7.0    1.7   33.7     -40     45    -56     .03
       JPL  |   6 |    3.7   -2.0   17.6     -27      1     49     .08
       MIT  |   6 |    7.3   -2.3   27.0      -9      8    -38     .09
       NGS  |   6 |    7.3    1.2   30.3    -150   -105     85     .57
       SIO  |   6 |    3.5   -3.3   38.7    -125     48   -175     .12


11. As inidicated in the previous remarks, the IGS final orbits are aligned to the
    IGS reference frame by pre-aligning each AC orbit with the 3 corresponding
    SINEX rotations. This approach began 27-Feb-2000 (GPS Week 1051-0; MJD 51601).
    Starting sometime prior to 19-Aug-2012 (GPS Week 1702; MJD=56158), the orbit
    combination procedures used an incorrect sign convention to apply the SINEX
    RX and RY values to the AC orbits.
    
    Also starting 27-Feb-2000 (GPS  Week 1051-0; MJD 51601), the AC orbits were
    pre-aligned using rotations derived from differences between AC and IGS
    combined x and y polar motion. These ERP rotations were intended to
    approximate day-to-day variations of the AC orbital frames when only weekly
    averaged AC TRF rotations were available (For more details, see IGSMAIL
    #2750). With the change to daily SINEX integrations starting 19-Aug-2012, the
    ERP rotations are no longer needed/applied.

12. Starting 5-Nov-2006 (GPS Week 1400, day 0, MJD 54044) until 16-Apr-2011 (GPS
    Week 1631, day 6, MJD 55667) the absolute antenna model is introduced (IGSMAIL
    #5438). The antenna phase center offsets and phase center variations are given
    in the file:
        ftp://igs.org/igscb/station/general/igs05.atx
    These antenna calibrations are also used in the homogeneously reprocessed IGS
    products from GPS Weeks 730 to 1459 (1994-2007); see IGSMAIL #6136.
    
    Starting 17-Apr-2011 (GPS Week 1632, day 0, MJD 55668) the absolute antenna
    model is updated (IGSMAIL #6255 & #6374) as given in the file:
        ftp://igs.org/igscb/station/general/igs08.atx
    
    The JPL solution did not use IGS08/igs08.atx until GPS Week 1649, which caused
    their RMS clock residuals to be higher during that period than for the other
    centres; from GPS Week 1632 through 1648 the JPL solution is excluded from the
    weekly SINEX combination.


ORBIT COMBINATION AND EVALUATION STATISTICS:                                    
--------------------------------------------                                    

Most combination statistics are with respect to the combined orbits and
consist of seven 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 1.1739.a). It also displays the computed satellite
position sigmas for the combined orbits (Table 1.1739.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 2.1739.[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 3.1739.[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 part, 
Table 5, is similar to Table 4 and contains daily precise navigation
statistics (Tables 5.1739.0-6). The sixth part, Table 6, is a weekly
summary of daily ERP combination statistics. The seventh part, Table 7,
contains the daily ERP statistics. But this is not the IGS official ERP
combination products (which come from the accompanying SINEX combination)
but provided to check combination consistency, etc.

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 1739 summary.                       (May 05, 2013 - May 11, 2013)

Table 1.1739.a   GPS week: 1739   MJD: 56417.000-56423.000

         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  264|    0     0    -6    18    -7    13  -.36   10   10 |   -1088     -57     19     77
        |    0     0     1    18    20    18   .03           |     396     581
emr   79|    0    -3    -1   -25   -15    -5   .30   14   14 |    3353    -152     14     89
        |    0     0     2    15    16    10   .04           |     815    1025
esa  150|    1     0     0    25   -25     5   .10    5    5 |   -1827    1033     17    122
        |    0     0     0    24    37    11   .01           |    1404    1357
gfz  195|    0     0    -3    12    20    26  -.36   10   10 |    -163     -83     20    104
        |    0     0     1    55    89     9   .03           |     208     398
grg  137|    1     2     6   -15    36   -37   .60   21   14 |    -107    -180     19    145
        |    1     0     2    21    15    16   .03           |     180     392
igr  n/a|    0     0    -3   -11    43   -46  -.13    4    4 |    5078    -626     17     83
        |    0     0     0    17    18    21   .03           |    1393    1224
jpl   80|    0     0    -5   -12     8    -6   .34   14   14 |    3290    -211     16    103
        |    0     0     1    20    18    11   .02           |     692    1063
mit  234|   -1     0     2   -15    -1   -23  -.55   10    9 |    -160      56     23    204
        |    0     0     1    35    51    28   .04           |     315     599
ngs  241|    0     0     9   -43    39     8   .37   12   10 |   -1043    -212   1903   3434
        |    0     1     2    42    62    15   .06           |     440     665
sio  358|   -2     1   -12   -36    44   -30  -.59   19   20 |     ---     ---    ---    ---
        |    0     0     1    30    42    70   .03           |     ---     ---


Table 1.1739.b   GPS week : 1739   MJD: 56417.000-56423.000   

         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  |    4    4    4    4    4    4    4 |
   2  |    4    4    4    4    4    4    4 |
   3  |    3    3    4    3    4    3    3 |
   4  |    3    4    4    3    4    3    4 |
   5  |    5    5    5    5    6    6    5 |
   6  |    3    3    3    3    4    3    3 |
   7  |    5    5    4    4    4    4    5 |
   8  |    4    4    3    5    3    4    4 |
   9  |    4    3    3    3    3    3    3 |
  10  |    6    5    5    4    4    4    4 |
  11  |    4    4    3    4    4    4    4 |
  12  |    6    6    6    6    5    5    5 |
  13  |    5    5    5    5    4    4    5 |
  14  |    4    4    4    4    4    5    4 |
  15  |    5    5    5    5    5    5    5 |
  16  |    5    4    5    4    5    4    4 |
  17  |    5    5    5    4    4    4    5 |
  18  |    4    4    4    4    4    4    4 |
  19  |    4    4    4    4    4    4    4 |
  20  |    4    4    3    4    3    4    4 |
  21  |    4    4    4    3    4    4    3 |
  22  |    3    3    3    3    3    3    3 |
  23  |    5    5    5    4    4    4    4 |
  24  |    4    4    4    4    4    4    4 |
  25  |    4    4    4    4    4    0    4 |
  26  |    4    4    3    3    4    4    4 |
  27  |    0    0    0    0  ---  ---  --- |
  28  |    3    4    3    3    4    4    4 |
  29  |    5    4    4    4    5    5    5 |
  30  |   11    0  ---  ---  ---    0    0 |
  31  |    5    4    4    4    4    5    4 |
  32  |    5    5    5    5    6    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
         result of the combination after the AC orbits were pre-aligned using
         the SINEX rotations from above. Prior to Wk 1702, AC ERP rotations
         used in the pre-alignment were also displayed.
         WRMS - RMS weighted by the centres SP3 header accuracy codes.
         STA  - Number of stations in the daily solutions.
   
Table 2.1739.0   GPS week: 1739   Day: 0   MJD: 56417.000                            

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  259|    0     0    -6    33    19    22  -.36   11   11 |   -1009      33     20     82
emr   80|    0    -3    -5   -40   -20     2   .28   14   14 |    2423     912     16     95
esa  150|    1     0     0    29   -29   -11   .10    6    6 |   -1421     591     13    122
gfz  197|    0     0    -1   -55   -40    25  -.40   11   10 |     135    -332     20    109
grg  134|    1     2     7   -40    32   -27   .59   14   12 |    -121     126     21    161
igr  n/a|    0     0    -4    13    57   -10  -.13    5    5 |    5553     704     19     87
jpl   80|    0     0    -7     0     4    -8   .32   14   14 |    2766     712     18    121
mit  236|   -1     0     0    -4    63    15  -.60   12   11 |    -472     809     23    182
ngs  241|    0     0    14    11    33   -12   .28   12   10 |    -672    -774   1450   3215
sio  349|   -3     2   -13   -86    70   119  -.61   20   22 |     ---     ---    ---    ---

Table 2.1739.1   GPS week: 1739   Day: 1   MJD: 56418.000                            

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  265|    0     1    -6    24     3    14  -.34   11   11 |    -353   -1337     19     75
emr   78|    0    -2    -3   -24     8     0   .24   14   14 |    3051    -275     19     89
esa  150|    1     0     0    37    21    -3   .10    5    5 |     266   -1356     22    120
gfz  203|    0    -1    -2   -53   -71    11  -.38   10   10 |    -243    -438     22    102
grg  136|    0     2     4   -30    33   -64   .62   14   14 |    -208    -801     14    112
igr  n/a|    0     0    -2   -14    60   -24  -.19    4    4 |    6017    -816     18     84
jpl   80|    0     0    -6   -19     8   -16   .35   15   15 |    3177    -657     19    105
mit  235|   -2     0     2    -5   -41    16  -.61   10   10 |    -137    -746     24    169
ngs  242|    1    -2    10    -8    40    15   .32   12   10 |    -297   -1477   1660   3005
sio  362|   -3     1   -14   -39     8    -6  -.57   18   17 |     ---     ---    ---    ---

Table 2.1739.2   GPS week: 1739   Day: 2   MJD: 56419.000                            

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  269|    0     0    -4    19   -34    44  -.35   10   10 |   -1083     191     21     80
emr   80|    0    -2     0   -35   -21   -16   .28   14   14 |    3663     724     11     78
esa  150|    1     0     0    18   -26     5   .10    5    5 |    -720     914     18    134
gfz  199|    0     0    -5    39    71    33  -.36   11   11 |    -354     623     20    106
grg  137|   -1     1     4     1    60   -15   .63   14   13 |    -204      89     18    151
igr  n/a|    0     0    -2   -31    46   -47  -.10    4    4 |    5832     729     16     79
jpl   80|    0     0    -4   -38     5   -13   .31   15   14 |    3220    1061     17    104
mit  236|   -1    -1     3    20    59   -33  -.55   10    9 |      51    -258     26    237
ngs  242|    0     1    11   -99   -81   -14   .35   14   13 |   -1101     172   1915   3588
sio  363|   -2     0   -12   -11    69   -60  -.58   18   21 |     ---     ---    ---    ---

Table 2.1739.3   GPS week: 1739   Day: 3   MJD: 56420.000                            

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  268|   -1     0    -6   -17   -15    13  -.35   10   10 |   -1691     419     20     81
emr   80|    2    -3    -1   -47     4   -13   .34   14   14 |    4604    -519     14     90
esa  150|    0     0     1    30   -18     7   .12    6    5 |   -4117    2978     18    129
gfz  196|    0     0    -5    43    18    39  -.30   10    9 |      40    -216     20    112
grg  139|    1     1     5    -7    24   -38   .62   15   13 |    -123     238     15    139
igr  n/a|    0     0    -3   -35    60   -54  -.10    4    4 |    6719   -1310     19     97
jpl   80|   -1     0    -4   -22    25     0   .36   14   14 |    4434    -503     16     94
mit  232|    0     0     1     1   -64   -40  -.53    9    8 |    -174     401     24    222
ngs  241|    0    -1    10   -56   106    25   .43   12   10 |   -1662     354   1871   3647
sio  362|   -1     0   -12   -21    33   -58  -.57   17   18 |     ---     ---    ---    ---

Table 2.1739.4   GPS week: 1739   Day: 4   MJD: 56421.000                            

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  268|    0     0    -6    25   -31    -6  -.30   10   10 |   -1069     160     18     74
emr   80|    0    -4     0   -14   -32     0   .34   15   15 |    3709   -1503     13     89
esa  150|    1     0     0    64   -99    10   .09    5    5 |   -2466     571     18    114
gfz  192|    0     0    -3   -22   182    30  -.34   10    9 |    -331     -71     21    103
grg  137|    3     3    12   -16    48   -28   .55   61   17 |     146    -490     22    138
igr  n/a|   -1     1    -3    -7    13   -59  -.10    4    4 |    4969   -2326     16     88
jpl   80|    0     1    -7    25    37    13   .35   15   15 |    3650   -1602     15     94
mit  232|    0    -1     2   -66    26   -35  -.52    9    8 |     152    -338     24    210
ngs  242|    0    -1     7   -80    19    15   .45   11    9 |   -1093     150   2032   3383
sio  358|   -3     1   -14   -51   115   -73  -.57   18   22 |     ---     ---    ---    ---

Table 2.1739.5   GPS week: 1739   Day: 5   MJD: 56422.000                            

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  263|   -1     0    -7     8    -1    -8  -.40   10    9 |   -1243     -20     21     79
emr   80|    1    -3     1    -4   -19     6   .34   15   15 |    2299     900     13     94
esa  150|    1     0    -1   -14   -28     6   .09    5    5 |   -2465    1586     16    132
gfz  190|   -1     0    -4    86    47    27  -.36   10   10 |    -366     278     21     96
grg  137|    3     2     6    18    40   -50   .60   16   15 |    -358      12     24    168
igr  n/a|    0     1    -4    -6    43   -62  -.13    5    4 |    2762     312     17     75
jpl   80|    0     1    -4   -19    -6    -4   .37   14   13 |    2249     780     17    103
mit  239|    0     0     5    12   -37   -29  -.50   11   10 |    -679     757     22    205
ngs  241|    0     0     9   -64    53    13   .38   12    9 |   -1275     -27   2068   3852
sio  358|   -2     1   -10     5    15   -79  -.60   20   22 |     ---     ---    ---    ---

Table 2.1739.6   GPS week: 1739   Day: 6   MJD: 56423.000                            

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  262|   -1     0    -8    35     8    17  -.39   11   11 |   -1174     149     17     70
emr   80|    1    -3     0   -14   -30   -20   .31   14   14 |    3725   -1307     14     92
esa  150|    0     0     0    10     0    24   .07    6    6 |   -1871    1949     15    105
gfz  189|    0     0    -3    49   -62    18  -.37   10   10 |     -23    -426     21    100
grg  139|    2     1     7   -36    14   -39   .60   16   15 |     114    -438     20    147
igr  n/a|    0     1    -4     0    21   -69  -.13    4    4 |    3697   -1681     17     71
jpl   80|   -2     0    -4   -12   -17   -17   .33   14   13 |    3540   -1269     16    104
mit  231|    0     0     3   -64   -19   -59  -.53   11   10 |     137    -233     23    207
ngs  241|    1     0     5    -6   101    14   .36   10    9 |   -1206     113   2327   3353
sio  357|   -3     2   -12   -51    -1   -56  -.64   19   19 |     ---     ---    ---    ---

       
       
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 3.1739.0   GPS week: 1739   Day: 0   MJD: 56417.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   10    7    5   11    8    4   13   12   17   15    4 |    20   26   22   22   32   20   33   24   27   20    22
   2  |   14   14    7    8   12    5   16   14    9   34    4 |    25   28   27   23   30   21   27   20   34   21    23
   3  |    9    8    3   14    9    4    8    8    8   17    3 |    11   19   14   19   18   13   18   16   27   15    14
   4  |    8   10    4    6   12    5   10   13    9   29    3 |    26   26   29   27   32   24   23   31   31   37    27
   5  |   11   24    7   13   15    6   21    9   10   17    5 |    45   51   43   45   52   46   49   46   54   46    45
   6  |    9    9    4   13    8    5    9    8    9   13    3 |    16   23   19   25   24   19   23   20   29   16    20
   7  |   11   14    8   15   16    3   15   12   12   19    4 |    19   21   15   20   27   14   20   12   29   19    15
   8  |    7   11    4   11   10    4   10    8   14   17    3 |    38   44   42   40   44   40   45   41   49   39    41
   9  |   10   11    4    4   16    4   12   15    8   13    3 |    14   17   12   10   19   10   17   15   25   13    11
  10  |   13   18   11   11   14    9   16   24   15   22    5 |    95  100   96   93   99   95  101   89  105   93    95
  11  |   10   11    4   14   11    4   10   10   20   18    4 |    32   43   40   48   51   37   43   40   41   31    40
  12  |   13   24    6   10   23    4   25   14   13   11    6 |    28   31   25   24   31   25   33   32   38   28    26
  13  |   11   16    6   10   17    4   15   21   12   20    5 |    14   24   15   17   33   13   22   21   29   21    15
  14  |    8   16    5    7   12    5   13    8   12   19    3 |    24   24   24   21   34   22   24   17   27   18    22
  15  |   19   21    6   10   16    6   15   11   10   17    5 |    19   26   13   10   28   12   20   14   32   13    13
  16  |   10   12    6   14   15    3   16    8   14   31    4 |    18   19   18   20   24   15   21   19   28   26    17
  17  |   11   19    7   10   10    5   19   11   10   20    4 |    20   28   25   24   31   21   27   24   33   17    22
  18  |    8   12    6    9   19    4   14    9   13   15    4 |    20   21   20   21   24   16   21   24   25   22    18
  19  |    7   13    5   17   12    3   14   11   14   30    4 |    13   23   19   26   25   15   22   20   27   25    18
  20  |   13   11    6   11   13    5   13   10   12   18    4 |    39   42   44   41   50   41   45   41   59   38    43
  21  |   10   14    6    8   11    4   14   11   10   27    3 |    25   23   23   24   29   21   26   30   27   19    22
  22  |    8   10    5    9   13    4    9    8   11   13    3 |    28   26   27   29   29   25   29   27   34   28    26
  23  |   10   16    5   12   15    5   16   13   13   18    4 |    11   22   14   15   28   12   20   13   34   14    13
  24  |   11   12    5   10   17    4   13    9   11   13    4 |    16   19   13   12   25    9   21   12   26   13    12
  25  |   10   12    6    9   13    6   11   13   11   15    4 |    11   19   15    7   33   10   19   12   24   11    11
  26  |   11   10    5    8    8    4   11   14    6   14    3 |    17   14   13   14   16   12   14   17   26   19    12
 X27  |    7  ---  ---  ---  ---   45  ---  ---  ---  ---    0 |    47  ---  ---  ---  ---   54  ---  ---  ---  ---    44
  28  |    7   13    5    7    9    4   12    8   11   16    3 |    15   21   14   13   22   12   19   13   29   16    14
  29  |   15   18    6    8   12    5   18   10   10   28    4 |    39   38   31   31   32   31   38   31   39   35    32
 X30  |   25   23   10  ---  ---   22  ---   29   28  ---   11 |    26   22    7  ---  ---    1  ---    6   17  ---  9999
  31  |   12   13   10    8   19    5   12    8   15   16    4 |    22   25   19   20   35   19   26   19   29   19    19
  32  |   13   14    6    9   13    6   14   15   18   20    4 |    48   47   48   53   47   46   44   48   48   55    47
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   14    6   11   14    5   14   12   12   20      |T   26   29   25   26   33   24   29   25   34   26    25
 WRMS |   11   14    6   10   12    5   14   11   10   22      |NE  26   29   25   26   33   24   29   25   34   26    25
 MEDI |   10   13    6   10   13    4   13   11   12   17      |MD  20   24   20   22   30   19   23   20   29   20    22

Table 3.1739.1   GPS week: 1739   Day: 1   MJD: 56418.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   12    7    4   11    6    3   14   10   13   13    3 |    16   24   20   18   29   16   30   17   28   13    18
   2  |   10   15    6   11   10    4   16   14    9   33    4 |    16   25   21   19   23   17   26   17   28   19    18
   3  |    9    9    3   13   11    2   12    6    9   15    3 |    18   20   20   15   18   17   22   15   33   13    16
   4  |   10   12    4    9   11    5   10   12    9   30    3 |    19   16   19   18   20   16   20   18   26   30    17
   5  |   12   20    6   10   13    4   18    9   10   18    4 |    30   33   28   28   31   25   30   29   35   29    27
   6  |    9    8    3   13   10    3   10    6   13   13    3 |    23   22   20   20   21   19   22   18   31   17    18
   7  |   12   15    5   14   16    4   18   10   14   17    4 |    20   20   14   15   29   11   21    9   28   13    13
   8  |    7   12    6    8   11    3   18    9    8   12    3 |    52   58   55   53   57   55   59   56   63   56    55
   9  |    8   11    3    6   11    3   11    9    5    8    2 |    11   18   12   10   17   10   18   14   23   11    11
  10  |   15   16    7    9   15    7   16   17   10   18    4 |    98  106  101   99  105   98  105  101  102  103   101
  11  |   11   10    6   17   10    6   12    7   12   17    4 |    25   34   27   35   40   26   36   26   32   20    28
  12  |   12   26    6    7   14    5   26   11   17   12    5 |    26   32   26   22   26   23   31   27   36   27    24
  13  |   11   16    5   11   20    5   15   14   12   15    4 |    16   25   16   13   35   12   25   14   26   15    15
  14  |    7   17    4   12   12    4   12    9   12   19    3 |    24   26   26   24   36   23   29   17   36   21    24
  15  |   13   19    7   11   18    4   17   11   15   14    5 |    16   24   20   14   30   15   20   12   32   13    14
  16  |    8   16    6   12   19    6   14   10    9   27    4 |    23   26   22   21   26   21   22   21   30   35    20
  17  |   18   20    6   11   12    4   21    8   12   18    5 |    20   25   19   17   24   16   25   16   32   13    15
  18  |    9   10    4    9   13    3   13    9   11   14    3 |    22   23   23   22   32   20   24   24   33   23    22
  19  |    8   14    5   13   12    4   15    8   12   26    4 |    18   22   17   19   22   15   22   16   27   18    15
  20  |   12   12    4    7   14    4   14    5   10   16    3 |    35   38   35   32   42   34   35   31   43   29    34
  21  |   15   14    6   10   11    4   15   11    7   25    4 |    23   22   20   17   25   17   21   22   26   14    17
  22  |    6    9    4    9   14    3    9    8   12   15    3 |    26   27   26   25   30   24   26   26   30   27    25
  23  |    8   14    6   12   18    5   16   12   14   16    4 |    17   23   18   13   30   13   23   11   29   13    15
  24  |   12   11    6    9   15    3   13   11   14   10    4 |    13   19   16   10   27   10   22   11   23   10    11
  25  |    8   12    5    9   13    4   13   10    9   11    3 |    13   20   17   10   34   12   23   11   22   10    13
  26  |    9   14    4    7   11    3   11   12   11   15    3 |    14   17   11   13   16   10   15   17   23   17    10
 X27  |    6  ---  ---  ---  ---   99  ---  ---  ---  ---    0 |    81  ---  ---  ---  ---   43  ---  ---  ---  ---    81
  28  |    9   11    4    7   19    5   13    9   10   14    3 |    16   18   16   13   26   13   17   15   30   18    14
  29  |   10   17    6    8   12    4   20    9    9   26    4 |    27   28   23   19   22   21   30   20   30   23    21
 X30  |    6  ---  ---  ---  ---   51  ---  ---  ---  ---    0 |    34  ---  ---  ---  ---    1  ---  ---  ---  ---  9999
  31  |    9   12    5   11   19    4   12    9   14   16    4 |    23   25   18   22   37   19   23   19   31   21    19
  32  |   18   14    6   10   13    5   13   17   23   19    5 |    36   32   35   39   30   35   33   37   39   39    33
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   14    5   10   14    4   15   10   12   18      |T   26   28   24   23   31   22   28   22   33   23    24
 WRMS |   11   14    5   10   14    4   15   10   10   17      |NE  26   28   24   23   31   22   28   22   33   23    24
 MEDI |    9   14    5   10   13    4   14    9   11   16      |MD  22   24   20   19   29   17   23   17   30   18    18

Table 3.1739.2   GPS week: 1739   Day: 2   MJD: 56419.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   10    7    3    8    9    5   13    8   18   12    3 |    21   22   20   20   28   17   28   19   23   16    19
   2  |   10   15    5    9    9    4   16    9   14   33    3 |    20   26   24   17   24   20   25   17   31   22    20
   3  |    8    8    2   13   11    2   11    6   18   15    3 |    24   25   22   27   23   21   25   24   21   25    22
   4  |    8    9    3    8   10    3   12   13   14   29    3 |    26   26   24   19   29   22   24   26   32   33    24
   5  |   10   23    6   14   16    5   22   11   13   19    5 |    36   40   35   34   38   34   38   35   44   33    34
   6  |    6    7    3   13    9    3    9    5   18   12    3 |    21   22   20   25   22   18   22   20   25   14    19
   7  |    9   13    6   13   13    2   15    8   11   13    4 |    20   24   18   18   28   15   22   14   23   18    17
   8  |    7   10    4    8   11    3   11    7   12   10    3 |    52   46   46   44   44   42   46   46   45   47    46
   9  |    7    9    4    5   12    3   11    9   12    9    3 |    20   22   19   17   18   17   23   21   22   19    18
  10  |   12   17    8    9   13    6   14   14   14   19    4 |    60   62   58   56   56   59   61   59   54   62    58
  11  |    9    8    5    8    9    4   11    7   18   16    3 |    26   36   30   31   39   29   35   30   32   24    30
  12  |   10   28    5   11   27    5   26   13   11   11    6 |    19   30   19   19   27   18   28   24   28   21    19
  13  |    9   15    5   14   18    4   16   12   11   12    4 |    23   28   21   17   33   16   26   15   23   16    19
  14  |    7   13    4   12   11    7   14    7    9   15    3 |    27   28   26   22   36   23   26   17   28   16    24
  15  |   18   18    5   12   16    7   19   11   14   13    5 |    20   28   17   16   29   16   26   18   31   18    18
  16  |    7   14    6   17   19    5   18    8   16   29    4 |    20   21   21   23   25   19   23   21   25   33    19
  17  |   12   21    6   11   11    5   19    7   16   19    4 |    26   29   22   21   29   20   28   22   34   15    21
  18  |    9   11    5   12   14    3   14    8   14   15    3 |    21   20   17   15   25   15   23   20   23   17    16
  19  |    7   12    6   13   13    2   14   10   14   25    4 |    14   20   20   21   21   15   20   17   23   15    17
  20  |   11   10    4    8   13    7   11    6   11   15    3 |    26   25   24   19   31   23   23   19   27   23    22
  21  |   12   12    4   10   11    5   12    9   10   26    3 |    24   24   20   19   24   18   25   25   21   16    19
  22  |    7   10    5   11   13    4    8    6   12   12    3 |    31   30   31   27   33   28   32   31   37   31    29
  23  |    9   14    7   18   14    4   18    9   12   15    4 |    22   25   21   15   28   15   23   13   26   15    18
  24  |   11   12    4   10   18    3   14   11   11    9    4 |    19   22   18   10   26   14   23   15   27   11    16
  25  |   12    9    6   13   10    4   13   14   11   11    4 |    19   19   16   11   40   12   21   19   24   17    14
  26  |    9   11    4    6   12    2   12    6   11    9    3 |    23   23   21   20   21   20   21   21   23   24    20
 X27  |    7  ---  ---  ---  ---   64  ---  ---  ---  ---    0 |    60  ---  ---  ---  ---   45  ---  ---  ---  ---    59
  28  |    6   13    6    8   11    4   11    7   12   12    3 |    23   26   19   20   33   19   24   20   26   20    20
  29  |   12   18    5    7   12    4   20   11   11   27    4 |    32   31   24   27   28   25   33   24   30   28    25
  31  |    9   13    7    9   19    5   13    8   18   14    4 |    25   24   22   19   34   20   23   18   30   19    20
  32  |   19   18    5    9   13    7   14   15   20   17    5 |    42   33   32   31   34   33   34   35   44   38    33
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   14    5   11   14    4   15   10   14   18      |T   27   27   24   22   30   22   27   23   29   23    24
 WRMS |   10   14    5   11   13    4   14    9   13   21      |NE  27   27   24   22   30   22   27   23   29   23    24
 MEDI |    9   12    5   10   12    4   14    8   12   15      |MD  23   25   21   20   28   20   25   20   27   19    20

Table 3.1739.3   GPS week: 1739   Day: 3   MJD: 56420.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   12    5    5    9   10    3   13    7   16   13    3 |    19   22   20   19   27   17   29   19   28   15    19
   2  |    9   14    5    8   11    4   16    6    8   33    3 |    19   25   21   19   23   18   24   19   28   19    19
   3  |    8    9    3   10   11    3    8    6   15   15    3 |    20   19   16   14   20   15   21   16   22   15    15
   4  |    7    9    4    8   12    4    9   10   10   32    3 |    19   24   23   24   27   22   23   28   30   34    23
   5  |   10   28    7   13   14    4   20   10   10   15    5 |    61   65   63   62   67   62   63   65   67   64    62
   6  |    5    8    3    7   10    3    7    5   12   13    2 |    15   20   19   18   23   18   18   20   30   19    18
   7  |    9   13    5   12   16    4   12    7    9   12    3 |    12   19   12   19   28   11   19   16   24   16    12
   8  |    8   14    6    9   22    6   13   15    9   19    4 |   118  115  116  116  110  112  115  121  113  114   116
   9  |    9   11    4    5   14    3   12    8   10    8    3 |    12   17   13   14   18   10   19   12   21    9    10
  10  |   10   14    7    9   16    6   13   10    8   22    4 |    98  103   99   99  106   97  102   99  105   98   100
  11  |   12   10    6   12   10    4   10    6   13   16    3 |    29   43   39   38   49   36   41   37   43   30    37
  12  |   13   22    7    9   18    4   27   15   10   11    5 |    31   33   29   29   32   26   31   29   40   23    27
  13  |    8   14    5   12   21    4   14    7   18   14    4 |    12   21   13   16   36   11   21   14   23   13    12
  14  |    7   18    5   11   16    6   10    7   14   14    4 |    16   23   20   22   34   18   22   14   28   12    18
  15  |   12   19    5    7   24    4   18    8   14   10    4 |    16   25   17   13   31   14   21   13   36   12    14
  16  |    6   13    6   13   13    5   13    6   11   14    3 |    29   34   33   31   33   31   29   32   40   35    30
  17  |   11   18    7    9   11    6   20    7   10   17    4 |    15   25   21   21   25   18   26   22   25   15    17
  18  |    8   10    5    9   16    5   16    7   12   12    3 |    36   36   37   37   42   34   36   38   46   36    36
  19  |    7   11    4   12   13    3   13    8   12   24    3 |    14   21   17   19   24   15   20   15   29   15    16
  20  |    9   10    5   10   12    4   13    4   13   16    3 |    22   28   23   26   31   23   26   22   33   22    23
  21  |   10   12    6    6   10    4   11    8    9   25    3 |    21   23   21   21   26   18   23   23   29   16    20
  22  |    8   11    4    9   11    6   10    7    9   15    3 |    57   58   57   61   62   56   57   56   73   54    58
  23  |    8   14    5   13   15    5   15    7   15   19    4 |    12   22   14   15   29   12   20   13   25   11    12
  24  |    8   12    3    7   18    4   11    9   11    9    3 |     5   18   13   11   26    8   21   13   23   11    10
  25  |   10    8    7    9   12    4   14   13    8    9    4 |     9   18   16   10   70    9   22   15   25   10    11
  26  |   10   11    5    6    9    2   11    8    9   12    3 |    12   13   14   11   17    9   14   14   21   16     9
 X27  |    6  ---  ---  ---  ---   84  ---  ---  ---  ---    0 |    45  ---  ---  ---  ---   58  ---  ---  ---  ---    45
  28  |    6   14    5    7   14    4   12    8    7   12    3 |    12   21   16   19   24   13   21   19   26   18    15
  29  |   14   16    7    7   15    4   19   10    7   27    4 |    32   34   28   26   29   26   34   26   33   31    27
  31  |   13   10    8    9   19    6   12    5   13   15    4 |    28   28   24   25   38   22   25   25   32   27    23
  32  |   13   17    8   11   10    5   15   15   21   17    5 |    45   40   39   43   38   37   42   41   40   43    39
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   14    6   10   15    4   14    9   12   17      |T   28   33   29   29   38   28   32   29   37   28    28
 WRMS |   10   14    5    9   13    4   14    8   10   18      |NE  28   33   29   29   38   28   32   29   37   28    28
 MEDI |    9   12    5    9   13    4   13    7   10   15      |MD  19   24   21   21   29   18   23   20   29   18    19

Table 3.1739.4   GPS week: 1739   Day: 4   MJD: 56421.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   11    8    4   10   15    4   14    9   12   14    3 |    25   28   22   19   35   20   34   20   20   16    23
   2  |   10   15    6    7   12    4   17    7    9   34    3 |    24   29   23   17   30   21   27   22   30   22    23
   3  |    8    8    4   12   15    3   11    9   16   24    3 |    42   42   39   40   41   41   40   42   47   45    41
   4  |   10   10    5    9   11    3    9   13    8   31    3 |    24   28   23   22   32   22   25   28   25   34    25
   5  |   10   31    5   13   16    4   22    9   12   19    5 |    44   53   44   43   49   43   49   42   44   41    44
   6  |    9    9    3   10   12    4   12    8   15   15    3 |    27   27   22   22   26   23   25   21   26   22    23
   7  |   10   13    5   14   19    5   13    8   10   15    4 |    24   27   21   21   32   21   26   22   26   21    22
   8  |    8   11    5    9   13    6   13    7    6   13    3 |    41   45   43   47   50   45   48   37   44   40    41
   9  |    8   10    6    7   16    4   12    7    7   10    3 |    21   24   18   17   21   19   25   16   23   15    18
  10  |   13   14    8   10   22    5   14    8    6   20    4 |    66   67   63   65   70   64   67   64   68   60    65
  11  |   10   10    4    9   15    4   12   11   13   16    3 |    34   44   36   34   52   32   41   36   33   27    36
  12  |    9   24    6   10   16    5   23   10   11   12    4 |    50   53   49   48   57   47   50   51   53   51    50
  13  |   11   15    4   12   25    4   12    8    9   14    4 |    24   30   19   17   40   19   27   18   27   16    21
  14  |    8   17    5    9   18    5   14    6   10   15    3 |    28   31   27   22   40   24   30   19   33   18    26
  15  |   16   19    6   11   25    5   18    8    8   17    4 |    28   29   22   19   38   21   28   20   33   19    23
  16  |    8   19    6   12   18    4   20    7   13   17    4 |    19   24   19   16   22   18   24   17   28   27    18
  17  |   12   19    5   11   15    4   18    7    9   18    4 |    27   30   20   21   31   20   28   24   28   16    22
  18  |    8   11    5    9   15    3   16    6    8   15    3 |    26   27   24   24   36   23   29   24   27   17    25
  19  |    6   13    5   11   12    3   17    9   13   27    3 |    20   26   17   16   26   17   29   20   22   13    19
  20  |   10   10    4    9   15    5   12    6    8   18    3 |    26   33   24   19   37   26   31   22   32   20    26
  21  |   11   13    5    9   13    3   20    9   10   26    4 |    25   26   23   21   27   20   30   24   25   15    22
  22  |    8   12    4   10   19    4   10    7    5   13    3 |    41   40   40   37   53   39   39   36   39   29    40
  23  |   10   16    4   12   19    3   14    8   12   19    4 |    21   29   21   13   33   18   25   16   29   15    21
  24  |   10   13    4    7   18    4   14    5    9    9    3 |    20   25   18   14   29   16   25   13   23   16    18
  25  |    9    7    6    9  322    3   13   10    7   12    3 |    17   19   16   13  283   12   22   12   19    8    14
  26  |   10   14    7    8   14    4    9    8   11   12    3 |    23   23   19   20   25   20   21   15   28   17    19
  28  |    9   13    6    9   13    4   12    8    7   11    3 |    24   26   17   19   23   19   23   20   26   19    20
  29  |   12   19    6   10   14    4   21    9   11   27    4 |    33   35   30   25   29   28   34   24   36   30    28
  31  |    5   13    5    8   22    4   15    5   12   15    3 |    23   27   20   22   38   22   31   20   29   21    21
  32  |   15   22    6   11   15    8   16   17   19   18    5 |    39   39   37   40   34   40   37   37   41   38    37
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   15    5   10   61    4   15    9   11   18      |T   29   32   27   25   44   27   32   26   32   24    27
 WRMS |   10   15    5    9   17    4   15    8    9   22      |NE  29   32   27   25   44   27   32   26   32   24    27
 MEDI |   10   13    5   10   15    4   14    8   10   15      |MD  25   29   22   21   34   21   29   22   28   20    23

Table 3.1739.5   GPS week: 1739   Day: 5   MJD: 56422.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   11    7    4   11   10    3   13    9   14   12    3 |    13   22   16   16   25   14   29   16   24   15    16
   2  |   11   13    6    7   12    3   12    8   10   32    3 |    13   25   20   14   21   15   24   20   26   22    18
   3  |    8    9    3   11   10    3    9    5    7   16    2 |    36   38   38   37   35   36   34   36   43   37    36
   4  |    9    9    4    7   12    3    7   13    8   32    3 |    15   24   18   16   23   16   21   25   21   36    19
   5  |    8   27    7   11   15    4   24   13   15   18    5 |    28   41   33   29   36   31   39   32   32   30    31
   6  |    8   10    4   10    9    4   11   11    7   19    3 |    15   20   18   19   19   17   18   21   27   16    16
   7  |    7   12    3   12   21    6   12   14   11   18    4 |    16   23   16   19   32   16   21   23   26   22    16
   8  |    7   12    4    9   14    5   11   11    9   12    3 |    82   83   81   79   79   80   82   81   80   79    80
   9  |    6   11    4    8   20    4   11    8    7   11    3 |    18   20   17   20   21   16   22   16   22   16    15
  10  |   10   17    4    9   14    7   15   13    9   24    4 |    64   68   63   62   59   62   67   63   63   63    62
  11  |   11    9    5   12   11    4    9   11   11   17    3 |    21   36   26   26   39   24   35   29   31   22    27
  12  |   14   17    5   11   22    6   24   11   11   18    5 |    62   59   60   58   57   56   56   58   62   60    58
  13  |   10   15    5   13   24    4   13    9   10   18    4 |    16   26   17   17   37   16   24   18   24   22    17
  14  |   11   19    5   15   15    6   14    9   14   15    4 |    20   28   23   28   33   20   25   17   29   18    21
  15  |   13   19    6   11   20    5   19    8   17   13    5 |    22   30   23   20   31   20   29   23   29   23    22
  16  |    8   14    4   13   18    4   17   11   10   31    4 |    18   22   19   22   26   18   23   24   27   29    18
  17  |   11   18    6   10   12    4   16   10   11   17    4 |    18   26   17   17   26   14   26   21   20   14    16
  18  |    7   13    4   10   12    4   16   10   12   13    3 |    14   20   14   16   22   14   21   19   25   14    14
  19  |    6   12    5   12   13    4   14   10    7   27    3 |    10   22   15   13   20   12   21   15   23   10    13
  20  |   12   11    3   12   16    4   11    7    9   19    3 |    25   28   25   24   32   23   28   24   32   28    24
  21  |    9   22    6    7    9    4   12    9   10   27    4 |    18   28   15   14   20   13   21   20   19   15    15
  22  |    8   11    3   10   13    5    9    9    8   11    3 |    23   27   25   23   33   23   27   24   25   17    24
  23  |    9   15    4   12   20    5   14    9   13   19    4 |    14   24   16   11   30   13   20   15   27   17    15
  24  |    9   14    4    9   22    4   12    8   17   10    4 |    11   21   14   12   29   11   21   12   22    9    12
 X25  |    7  ---  ---  ---  ---   30  ---  ---  ---  ---    0 |     9  ---  ---  ---  ---   10  ---  ---  ---  ---    10
  26  |    9   11    5    8   13    4   10   10   13   13    3 |    24   25   26   21   23   22   24   22   24   30    23
  28  |    8   12    4   10   11    5    8   14   10   12    3 |    16   23   20   17   26   17   22   20   24   18    17
  29  |   11   23    5    8   13    5   19   14   11   29    4 |    23   29   25   19   24   20   28   23   31   27    22
 X30  |  ---  ---  ---  ---   11  130  ---  ---  ---  ---    0 |   ---  ---  ---  ---   65   72  ---  ---  ---  ---    78
  31  |    7   15    8   10   28    6   16   21   11   24    5 |    40   42   41   38   44   40   43   46   38   48    39
  32  |   16   19    6   12   15    6   15   19   19   20    5 |    42   39   41   39   35   40   36   37   46   39    38
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   15    5   10   16    5   14   11   12   20      |T   24   31   26   25   33   25   30   27   31   27    26
 WRMS |    9   15    5   10   15    4   13   10    9   22      |NE  24   31   26   25   33   25   30   27   31   27    26
 MEDI |    9   13    4   10   13    4   13   10   11   18      |MD  18   26   20   20   30   18   25   23   27   22    19

Table 3.1739.6   GPS week: 1739   Day: 6   MJD: 56423.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   15    8    4    9   13    4   14    9   10   13    3 |    18   26   24   23   32   19   32   20   29   18    22
   2  |   13   11    4   10   12    4   12   12    7   33    3 |    14   28   25   24   30   21   25   28   32   25    23
   3  |    9   10    3   10   14    2   10    7   11   16    3 |    30   34   32   29   33   30   33   31   32   32    31
   4  |   11    9    6    9   14    4    8   13    9   35    3 |    22   28   27   29   38   25   26   36   33   44    28
   5  |   12   26    6   10   18    4   19   12   10   18    5 |    57   62   57   58   64   56   59   57   67   51    57
   6  |    8    8    3    9   10    3    9    7    7   15    2 |    13   20   16   17   23   14   19   19   24   15    16
   7  |    9   13    6   13   20    5   15   17   11   19    4 |    21   22   16   22   29   16   20   23   28   24    17
   8  |    8   11    8    8   12    5   11   15    8   14    3 |    62   61   62   62   57   60   61   69   58   62    61
   9  |    8    9    4    7   13    3    9   12    7   13    3 |    18   18   17   17   18   15   21   16   21   20    14
  10  |   12   13    6   12   14    5   12   10    9   22    4 |    69   73   68   69   69   69   71   69   69   69    68
  11  |   10   11    6   12   13    4   10   13   13   17    4 |    32   45   41   43   53   38   44   42   42   34    40
  12  |   10   21    6   10   26    4   23   10   12   15    5 |    40   43   42   40   42   40   42   39   51   37    40
  13  |   10   14    4   11   25    3   15    9   12   15    4 |    17   25   17   20   35   14   22   16   25   18    16
  14  |    9   17    5   12   16    5   13    7    8   16    4 |    22   25   25   24   33   21   25   19   27   15    21
  15  |   18   21    6   11   20    4   17   13   11   16    5 |    23   30   23   18   33   18   24   21   35   15    20
  16  |    7   16    5   12   19    3   15    8   11   17    4 |    15   20   18   15   24   15   19   16   29   20    15
  17  |   11   18    7   10   14    4   17   12   11   19    4 |    25   26   23   25   30   22   26   30   31   21    22
  18  |    8   13    6   10   12    3   15    7    8   14    3 |    27   31   29   32   38   27   32   30   41   24    29
  19  |    7   14    5   12   15    3   14   11   10   30    4 |    11   23   17   19   26   15   21   19   28   16    17
  20  |   13   11    4   11   16    5   12    8    7   18    3 |    23   25   23   20   31   20   25   22   29   29    21
  21  |    8   12    5    8   12    3   14    7    8   28    3 |    24   27   26   27   28   23   26   28   33   20    24
  22  |    7   12    5    9   12    3   10    8    7   13    3 |    42   44   43   46   52   40   44   40   53   36    43
  23  |    9   15    5   11   18    4   15    9   12   18    4 |    14   23   17   16   28   12   20   14   24   15    14
  24  |   11   14    6    6   23    4   11    9    9   12    4 |    12   24   14   12   30   11   22   10   29   10    12
  25  |    7   10    9   18   10    4   12   11   12  ---    4 |     8    8    5    5    7    9    9    5    9  ---     8
  26  |   10   10    7   10   13    4    7   14    9   14    3 |    19   22   17   21   24   18   21   17   29   18    17
  28  |    8   11    6    8   14    4    8   12   11   13    3 |    22   23   21   24   24   20   23   24   29   24    20
  29  |   16   16    6    8   13    5   19   11   13   29    4 |    39   37   34   32   33   32   38   32   40   40    33
 X30  |    8  ---  ---  ---  161  164  ---  ---  ---  ---    0 |     3  ---  ---  ---   92   67  ---  ---  ---  ---    62
  31  |   11   12    7    8   20    5   16    9   12   15    4 |    24   27   20   22   36   19   25   18   33   21    20
  32  |   15   20   10   12   21    6   15   19   16   17    5 |    71   72   69   74   75   68   68   71   71   69    70
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   14    6   10   16    4   14   11   10   19      |T   27   32   28   29   37   28   31   29   36   29    29
 WRMS |   11   14    6   10   15    4   13   10    9   19      |NE  27   32   28   29   37   28   31   29   36   29    29
 MEDI |   10   12    6   10   14    4   13   10   10   16      |MD  22   26   23   24   33   21   25   23   31   24    22



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 4.1739   GPS week: 1739   MJD: 56417.0-56423.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2931 |U    6     7    16 |U    7     9    24 |U    7     6    18 |
emr | emr 2868 |     8     8    20 |U    8     8    26 |     9     9    21 |
esa | esa 2880 |     6     6    17 |U    7     9    24 |     8     7    20 |
gfz | gfz 2859 |U    6     5    16 |U    8    10    29 |U    8     7    20 |
grg | grg 2893 |U   10    12    32 |U   12    15    35 |    14    14    33 |
igr | igr 2883 |     6     6    16 |     7     9    24 |     9     7    19 |
igs | igs 2873 |     6     5    16 |     7     8    24 |     8     7    20 |
jpl | jpl 2859 |     7     6    18 |U    8    11    27 |U    9     8    21 |
mit | mit 2880 |     6     6    16 |U    8    10    35 |U    9     7    21 |



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 5.1739.0   GPS week: 1739   Day: 0   MJD: 56417.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3030 |     4     6    11 |     7     8    25 |     6     6    18 |
emr | emr 2964 |     6     6    15 |     9     7    28 |     7     8    19 |
esa | esa 2976 |     4     5    11 |     7     8    23 |     7     7    21 |
gfz | gfz 2872 |     4     4    11 |     8     9    28 |     7     6    19 |
grg | grg 2880 |     9    10    24 |    12    12    34 |    13    14    33 |
igr | igr 2957 |     4     4    12 |     7     8    23 |     7     8    20 |
igs | igs 2932 |     4     4    11 |     7     8    22 |     7     8    19 |
jpl | jpl 2872 |     5     5    16 |     8    15    33 |     7     6    16 |
mit | mit 2976 |     4     4    10 |     7     9    25 |     9     8    24 |

Table 5.1739.1   GPS week: 1739   Day: 1   MJD: 56418.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3002 |  ----  ----  ---- |  ----  ----  ---- |  ----  ----  ---- |
emr | emr 2842 |     7     7    14 |     9     9    27 |     8     8    21 |
esa | esa 2880 |     4     4    11 |     9    11    28 |     8     7    21 |
gfz | gfz 2873 |     4     3    11 |    10    12    33 |     8     7    23 |
grg | grg 2880 |     9     8    27 |    14    10    40 |    11    12    35 |
igr | igr 2927 |     4     4    11 |     8    11    27 |     8     7    20 |
igs | igs 2880 |     5     4    11 |     9    11    27 |     8     7    21 |
jpl | jpl 2872 |     5     4    12 |     8    10    24 |    10    11    24 |
mit | mit 2880 |     5     4    10 |    10    12    51 |     8     6    22 |

Table 5.1739.2   GPS week: 1739   Day: 2   MJD: 56419.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2932 |     9    10    18 |     8    10    29 |     8     7    20 |
emr | emr 2871 |     8     8    21 |     8     8    30 |    10    10    23 |
esa | esa 2880 |     7     9    19 |     8     8    29 |     9     7    21 |
gfz | gfz 2873 |     8     8    18 |     8     8    30 |     9     7    22 |
grg | grg 2879 |    11    10    24 |    10    11    30 |    13    17    35 |
igr | igr 2878 |     7     8    19 |     8     9    28 |     9     7    20 |
igs | igs 2876 |     7     8    18 |     8     8    29 |     9     8    21 |
jpl | jpl 2871 |     8     8    21 |    10    10    38 |     9     9    22 |
mit | mit 2880 |     8     8    18 |    11     8    55 |    10     7    21 |

Table 5.1739.3   GPS week: 1739   Day: 3   MJD: 56420.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2944 |     7     8    18 |     9    11    24 |     8     6    14 |
emr | emr 2874 |    10    11    24 |    10    12    28 |    10     9    17 |
esa | esa 2880 |     9     9    24 |     9    11    26 |     9     7    19 |
gfz | gfz 2872 |     8     9    24 |     9    14    31 |     9     7    18 |
grg | grg 2880 |    11    15    38 |    14    19    34 |    12    10    33 |
igr | igr 2879 |     8     9    23 |     9    11    27 |     9     7    17 |
igs | igs 2880 |     8     9    23 |     9     9    26 |     9     7    18 |
jpl | jpl 2874 |     8    10    23 |     9    12    27 |     9     8    19 |
mit | mit 2880 |     7     9    22 |     9    10    28 |    11     6    20 |

Table 5.1739.4   GPS week: 1739   Day: 4   MJD: 56421.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2880 |     6     7    16 |     7     8    24 |     6     6    17 |
emr | emr 2876 |     9     9    20 |     7     8    25 |     6     8    18 |
esa | esa 2880 |     7     5    17 |     6     8    22 |     7     6    19 |
gfz | gfz 2872 |     6     6    15 |     7     9    26 |     6     6    17 |
grg | grg 2880 |    11    12    35 |    11    18    33 |    18    11    24 |
igr | igr 2880 |     6     6    15 |     7     8    22 |     7     6    17 |
igs | igs 2880 |     6     6    17 |     6     8    22 |     6     6    17 |
jpl | jpl 2875 |     9     6    18 |     7    10    25 |     7     7    18 |
mit | mit 2880 |     6     6    15 |     7    10    23 |     8     7    19 |

Table 5.1739.5   GPS week: 1739   Day: 5   MJD: 56422.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2784 |     5     3    14 |    10    11    29 |     9     6    21 |
emr | emr 2780 |     8     6    19 |     7     5    27 |    13     8    25 |
esa | esa 2784 |     5     4    16 |     6     7    25 |    11     7    22 |
gfz | gfz 2781 |     5     4    15 |     7     7    28 |    12     6    21 |
grg | grg 2880 |     9    11    36 |    14    22    38 |    19    16    36 |
igr | igr 2784 |     5     4    15 |     7     7    28 |    13     6    22 |
igs | igs 2784 |     5     4    15 |     7     6    26 |    10     6    23 |
jpl | jpl 2780 |     8     5    17 |     7     9    25 |    13     6    29 |
mit | mit 2784 |     5     5    13 |     7     8    29 |    10     6    24 |

Table 5.1739.6   GPS week: 1739   Day: 6   MJD: 56423.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2947 |     7     6    22 |     4     9    14 |     7     5    19 |
emr | emr 2875 |    11     8    25 |     8     7    18 |     9    11    21 |
esa | esa 2880 |     7     5    21 |     5     7    16 |     8     7    18 |
gfz | gfz 2876 |     8     5    20 |     7    10    24 |     8     8    21 |
grg | grg 2975 |    13    16    38 |    11    11    34 |    10    16    34 |
igr | igr 2877 |     7     5    20 |     5     8    16 |     8     8    19 |
igs | igs 2879 |     7     4    20 |     5     7    16 |     8     8    18 |
jpl | jpl 2873 |     9     6    20 |     5     8    16 |     8     9    16 |
mit | mit 2880 |     8     6    23 |     7    12    33 |     8     7    19 |


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    : 10-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 6.1739   GPS week: 1739   MJD: 56417.500-56423.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuxu |      12     -25      68     101     -1 |       1     17
            |      30      18      58     242      4 |       2
emr   uuuuu |      46      20      -7      14    -14 |      23     34
            |      16      15      61      79     17 |       6
esa   uuuuu |      10       4      -7     156      4 |       5     18
            |      11      11      30      83      3 |       2
gfz   uuuuu |     -13     -20     -56     -66      3 |       3     16
            |      22      12      62      20      3 |       1
grg   uuuxx |     -16      -7      12    -354    -38 |      10     24
            |      32      27      22      72     28 |       7
igr   xxxxx |     -49      12      43     -15      2 |      -3     15
            |      15      14      25      58      3 |       2
irf   xxxxx |       8      -4       3    -117      1 |      -3     17
            |      15       7      22      28      3 |       1
jpl   uuuuu |      -8      -3      13     -72      0 |       9     19
            |      23      15      60      39      9 |       2
mit   uuuuu |      -9       4     -26    -255     -4 |      13     22
            |      39      15      51      71      4 |       2
ngs   uuuuu |     -32      27      20      25     -1 |       1     13
            |      53      39     132     112      4 |       1
sio   xxxxx |     -24      86    -381    -332     -7 |      38     39
            |       0       0       0       0      0 |       2


Table 7.1739.0   GPS week: 1739   Day: 0   MJD: 56417.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuxu |      14     -49      83     266     -1 |      -1     16
emr   uuuuu |      32      38      14     -81    -37 |      31     38
esa   uuuuu |      27      -7       1     297      6 |       2     15
gfz   uuuuu |      11       3      62     -73     -2 |       3     16
grg   uuuxx |     -28      19      35    -385    -20 |      17     22
igr   xxxxx |     -49      -3      41     100      3 |      -4     14
irf   xxxxx |     -12      -6      15    -134     -3 |      -3     17
jpl   uuuuu |     -28     -16      -2     -79      8 |       6     17
mit   uuuuu |     -54      13      -8    -323     -8 |      15     23
ngs   uuuuu |     -18      22    -202    -177      0 |       2     13
sio   xxxxx |     -24      86    -381    -332     -7 |      39     40

Table 7.1739.1   GPS week: 1739   Day: 1   MJD: 56418.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuxu |      39      -8      45     374      2 |      -1     16
emr   uuuuu |      25      37      43     -14    -27 |      28     37
esa   uuuuu |       4      -6      -8     168      4 |       3     16
gfz   uuuuu |      18     -28     -55     -66      1 |       1     14
grg   uuuxx |     -42      21      36    -409    -14 |      16     22
igr   xxxxx |     -53      20      15     -59     -2 |      -4     14
irf   xxxxx |     -14     -14      19    -148     -3 |      -4     17
jpl   uuuuu |      -6      13     -38    -121      6 |       7     17
mit   uuuuu |     -62     -21      33    -331     -9 |      14     22
ngs   uuuuu |      19      30     -36     107     -2 |       1     12

Table 7.1739.2   GPS week: 1739   Day: 2   MJD: 56419.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuxu |      44     -19     122     367      3 |       0     16
emr   uuuuu |      47      21     -10       2    -17 |      25     36
esa   uuuuu |       0      -2     -57     156     10 |       3     16
gfz   uuuuu |     -44     -25     -41     -77      5 |       1     14
grg   uuuxx |     -68     -31      15    -476    -28 |      14     21
igr   xxxxx |     -79      29      56     -42      6 |      -4     14
irf   xxxxx |       4       2      13    -114      2 |      -4     17
jpl   uuuuu |     -26      12       4    -121     -4 |       9     18
mit   uuuuu |     -14      -8       0    -276     -3 |      13     22
ngs   uuuuu |      54      77      69     128     -7 |       1     12

Table 7.1739.3   GPS week: 1739   Day: 3   MJD: 56420.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuxu |      33      -2     -45      60     -7 |       3     18
emr   uuuuu |      40      22      77       0    -16 |      25     37
esa   uuuuu |      13       2      35     217      4 |       6     19
gfz   uuuuu |     -17     -27     -64     -41      4 |       4     17
grg   uuuxx |       3      -9      26    -299    -30 |      12     18
igr   xxxxx |     -52      25      63      17      1 |      -2     16
irf   xxxxx |      14       7      27    -112      2 |      -3     18
jpl   uuuuu |       3     -19      14     -74      2 |      11     19
mit   uuuuu |      -5       8      18    -238     -2 |      13     23
ngs   uuuuu |     -88      18     -89     -79      1 |       2     13

Table 7.1739.4   GPS week: 1739   Day: 4   MJD: 56421.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuxu |      14     -46     116      12      3 |       1     18
emr   uuuuu |      55       5     -54      18    -19 |      22     34
esa   uuuuu |      20       5      13     103      4 |       5     19
gfz   uuuuu |     -34     -25    -144     -57      5 |       2     17
grg   uuuxx |      -6      -8      -8    -283    -94 |      10     19
igr   xxxxx |     -40       7      80     -61     -1 |      -3     16
irf   xxxxx |      21      -6      -3     -73      1 |      -4     18
jpl   uuuuu |     -34     -18     -62     -47    -19 |      11     20
mit   uuuuu |      28       5     -40    -161     -3 |      11     21
ngs   uuuuu |     -82      72     139      47      5 |       0     12

Table 7.1739.5   GPS week: 1739   Day: 5   MJD: 56422.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuxu |     -29     -19      49    -224     -2 |       2     18
emr   uuuuu |      53      -3     -14      -2      2 |      17     29
esa   uuuuu |      -1      20     -31     116      2 |       7     20
gfz   uuuuu |     -13     -10     -66     -48      1 |       4     17
grg   uuuxx |       0     -52      -1    -331    -56 |       1     32
igr   xxxxx |     -35      -7      31     -51      2 |      -2     16
irf   xxxxx |      19      -8     -16    -144      3 |      -4     18
jpl   uuuuu |      27      -5     117     -19      5 |      10     19
mit   uuuuu |      41       8     -94    -297      1 |      11     20
ngs   uuuuu |     -57       8     133      78     -3 |       2     13

Table 7.1739.6   GPS week: 1739   Day: 6   MJD: 56423.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuxu |     -29     -33     103    -149     -4 |       3     19
emr   uuuuu |      73      22    -107     179     13 |      15     26
esa   uuuuu |       5      18       0      39      0 |       8     21
gfz   uuuuu |     -14     -26     -84     -99      6 |       5     18
grg   uuuxx |      27      12     -19    -292    -22 |      -2     34
igr   xxxxx |     -34      12      15      -5      2 |       0     17
irf   xxxxx |      22      -3     -33     -90      2 |      -3     18
jpl   uuuuu |      11      11      57     -41      0 |      10     20
mit   uuuuu |       4      27     -94    -161     -1 |      11     20
ngs   uuuuu |     -48     -36     126      75     -4 |       3     13



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