[IGSREPORT-26811] Wk 2069 IGS Final Orbits

acc acc at igs.org
Sun Sep 22 21:20:57 PDT 2019


Author:  AC Coordinator / GA MIT 

sum-file Version 2.0
Final IGS Orbit Combination - Week 2069   (Sep 01, 2019 - Sep 07, 2019)

Contacts: acc at igs.org


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:

igs2069[0-6].sp3  IGS GPS ephemeris files in SP3 format.
igs2069[0-6].clk  IGS GPS satellite and station clocks in clock RINEX format.
igs2069[0-6].cls  IGS GPS clock combination summary report.
igs20697.erp      Earth Rotation Parameters (ERP) and their rates as well as
                  Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                  with IGS ephemerides.
igs20697.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   | ASCG ASCG
                0  |  EMR   | CHUR FAIR YELL CHUR FAIR QAQ1 YELL
                0  |  ESA   | AREG BAKE CEDU CHUR COCO DARW DAV1 DGAR FAA1 FALK
                0  |  ESA   | GRAZ HARB HERS HOB2 KIRU KOUG MAC1 MAJU MAS1 MAW1
                0  |  ESA   | MGUE MOBS NKLG NNOR ONSA POHN PTBB TOW2 VILL WHIT
                0  |  ESA   | AREG BAKE CEDU CHUR COCO DARW DAV1 DGAR FAA1 FALK
                0  |  ESA   | GRAZ HARB HERS HOB2 KIRU KOUG MAC1 MAJU MAS1 MAW1
                0  |  ESA   | MGUE MOBS NKLG NNOR ONSA POHN PTBB TOW2 VILL WHIT
                0  |  GFZ   | CNMR GODE IRKJ POHN WHIT BJCO CNMR GODE IRKJ MAC1
                0  |  GFZ   | POHN WHIT
                0  |  GRG   | 18 28 18 28 DAV1 FAIR LHAZ MAC1 SCOR DAV1 FAIR LHAZ
                0  |  GRG   | MAC1 NRMD SCOR
                0  |  JPL   | 18 IQAL MCM4
                0  |  MIT   | 18 CHUR
                1  |  COD   | 18 ASCG BRFT REUN TIXI ASCG BRFT REUN TIXI
                1  |  EMR   | CHUR YELL CHUR PTBB YELL
                1  |  ESA   | BJCO CEDU COCO DARW DAV1 DGAR FAA1 FALK GRAZ HARB
                1  |  ESA   | HERS HOB2 KIRU KOUG MAJU MAS1 MAW1 MDVJ MGUE MOBS
                1  |  ESA   | NKLG NNOR ONSA POHN TOW2 VILL BJCO CEDU COCO DARW
                1  |  ESA   | DAV1 DGAR FAA1 FALK GRAZ HARB HERS HOB2 KIRU KOUG
                1  |  ESA   | MAJU MAS1 MAW1 MDVJ MGUE MOBS NKLG NNOR NOVM ONSA
                1  |  ESA   | POHN TOW2 VILL
                1  |  GFZ   | 18 ANKR GODE POHN POLV ANKR GODE POHN POLV
                1  |  GRG   | 18
                1  |  MIT   | 18 BAKE
                2  |  COD   | 18 18 REUN TIXI REUN TIXI
                2  |  EMR   | 18 18
                2  |  ESA   | AREG CEDU CHUR COCO DARW DAV1 DGAR FAA1 FALK GRAZ
                2  |  ESA   | HARB HERS HOB2 KIRU KOUG MAJU MAS1 MAW1 MGUE MOBS
                2  |  ESA   | NKLG NNOR ONSA POHN PTBB TOW2 VILL AREG CEDU CHUR
                2  |  ESA   | COCO DARW DAV1 DGAR FAA1 FALK GRAZ HARB HERS HOB2
                2  |  ESA   | KIRU KOKV KOUG MAJU MAS1 MAW1 MGUE MOBS NKLG NNOR
                2  |  ESA   | ONSA POHN PTBB TOW2 VILL
                2  |  GFZ   | GODE POHN REUN USUD ANKR GODE POHN REUN USUD
                2  |  GRG   | RABT RABT
                3  |  COD   | 18 18 ANKR LHAZ TIXI ANKR LHAZ TIXI
                3  |  EMR   | 18 CHUR CHUR TWTF
                3  |  ESA   | ABMF CEDU COCO DARW DAV1 DGAR FAA1 FALK GRAZ HARB
                3  |  ESA   | HERS HOB2 IISC KIRU KOUG MAJU MAS1 MAW1 MGUE MOBS
                3  |  ESA   | NKLG NNOR ONSA POHN PTBB TOW2 USN7 VILL ABMF CEDU
                3  |  ESA   | COCO DARW DAV1 DGAR FAA1 FALK GRAZ HARB HERS HOB2
                3  |  ESA   | IISC KIRU KOUG MAJU MAS1 MAW1 MGUE MOBS NKLG NNOR
                3  |  ESA   | ONSA POHN PTBB TOW2 USN7 VILL
                3  |  GFZ   | DAV1 POHN DAV1 GODE NRIL POHN
                3  |  GRG   | 13 13 DARW DJIG
                3  |  JPL   | 18 ASCG
                3  |  MIT   | IRKM IRKM
                4  |  COD   | 18 18 HRAO TIXI HRAO TIXI TRO1
                4  |  EMR   | 18 18 CHUR FAIR PTBB CHUR FAIR PTBB YELL
                4  |  ESA   | AREG CEDU COCO DARW DAV1 DGAR FAA1 FALK HARB HERS
                4  |  ESA   | HOB2 IISC KIRU KOUG MAJU MAL2 MAS1 MAW1 MOBS NKLG
                4  |  ESA   | NNOR ONSA POHN PTBB TOW2 USN7 VILL AREG CEDU COCO
                4  |  ESA   | DARW DAV1 DGAR FAA1 FALK HARB HERS HOB2 IISC KIRU
                4  |  ESA   | KOUG MAJU MAL2 MAS1 MAW1 MOBS NKLG NNOR ONSA POHN
                4  |  ESA   | PTBB TOW2 USN7 VILL
                4  |  GFZ   | 18 18 HOB2 POHN REYK HOB2 MAL2 POHN REYK WTZR
                4  |  GRG   | 9 13 9 13 CPVG HOB2 LHAZ PIE1 CPVG HOB2 PIE1
                4  |  JPL   | CHUR
                5  |  COD   | 18 18 REUN TIXI ZAMB REUN TIXI
                5  |  EMR   | 18 PTBB CHUR PTBB
                5  |  ESA   | AREG CEDU COCO DARW DAV1 DGAR FAA1 FALK GRAZ HARB
                5  |  ESA   | HERS HOB2 IISC KIRU KOUG MAJU MAL2 MAS1 MAW1 MGUE
                5  |  ESA   | MOBS NKLG NNOR ONSA POHN PTBB TONG TOW2 USN7 VILL
                5  |  ESA   | AREG CEDU COCO DARW DAV1 DGAR FAA1 FALK GRAZ HARB
                5  |  ESA   | HERS HOB2 IISC KIRU KOUG MAJU MAL2 MAS1 MAW1 MGUE
                5  |  ESA   | MOBS NKLG NNOR ONSA POHN PTBB TONG TOW2 USN7 VILL
                5  |  ESA   | YKRO
                5  |  GFZ   | ALGO DGAR POHN ALGO DGAR POHN ZAMB
                5  |  GRG   | 18 18 LPGS DGAR KRGG
                5  |  MIT   | IRKM BAKE IRKM ZAMB
                6  |  COD   | 18 18 ANKR TIXI ANKR TIXI
                6  |  EMR   | 18 PTBB PTBB USUD YELL
                6  |  ESA   | ABMF AREG CEDU COCO DARW DAV1 DGAR FAA1 FALK GRAZ
                6  |  ESA   | HARB HERS HOB2 IISC KIRU KOUG LPGS MAJU MAL2 MAS1
                6  |  ESA   | MAW1 MOBS NKLG NNOR ONSA POHN PTBB TOW2 USN7 VILL
                6  |  ESA   | ABMF AREG CEDU COCO DARW DAV1 DGAR FAA1 FALK GRAZ
                6  |  ESA   | HARB HERS HOB2 IISC KIRU KOUG LPGS MAJU MAL2 MAS1
                6  |  ESA   | MAW1 MOBS NKLG NNOR ONSA POHN PTBB TOW2 USN7 VILL
                6  |  GFZ   | POHN BARH POHN REUN
                6  |  GRG   | 13 13 DGAR DGAR
                6  |  JPL   | DGAR DJIG INVK
                6  |  MIT   | ANKR

 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 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
               ----+--------+---------------
                0  |  ESA   |   4
                1  |  COD   |   4
                2  |  COD   |   4
                3  |  ESA   |   4
                4  |  ESA   |   4  15
                4  |  GRG   |   9
                5  |  ESA   |   4
                6  |  ESA   |   4

 7. 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 G04 |  4 |  4 |  4 |    |    |    |    |
           PRN G09 |  4 |  4 |  4 |  4 |  4 |  4 |  4 |

 8. 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.
    
    Starting 29-Jan-2017 (GPS Week 1934, day 0, MJD 57782) all IGS products,
    are based on the IGS realization of the ITRF2014 reference frame (IGS14).
    For more information see IGSMAIL #7399.

 9. 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 |     .4    -.0    1.5      18     35      6    -.59
       EMR  |   0 |    -.9   -9.4   -6.3    -111     81   -113     .16
       ESA  |   0 |     .2   -1.8    1.7     -25     20     59    -.62
       GFZ  |   0 |     .2    -.3    2.2       6     32     29    -.53
       GRG  |   0 |   -1.7   -1.3   16.4      83     36     47    -.17
       JPL  |   0 |    5.1   -8.5   -3.5       7     -6    -14    -.68
       MIT  |   0 |   -2.9   -3.8    5.0     -25     67    -26    -.52
       NGS  |   0 |   -1.5   -9.2  -14.4     -36      0     39    -.39
       SIO  |   0 |   -3.5   -3.1    -.6     -35      8     -2    -.53

       COD  |   1 |     .1     .1    1.6      26     35      5    -.60
       EMR  |   1 |    7.5    5.4     .2     -55     57    -18    -.33
       ESA  |   1 |     .2    -.4    1.7     -12     21     42    -.73
       GFZ  |   1 |     .6     .2    1.3      12      6     29    -.58
       GRG  |   1 |    1.6    -.3   14.4     127     13    121    -.37
       JPL  |   1 |    4.4   -5.3     .1       7     -7    -27    -.62
       MIT  |   1 |   -1.4   -2.6    6.6     -11     54    -12    -.46
       NGS  |   1 |   -1.6   -8.6   -1.3     -43     30     -3    -.32
       SIO  |   1 |   -1.6   -1.8   -4.5     -11      1    -17    -.31

       COD  |   2 |     .4    -.3    1.6      18     41     19    -.63
       EMR  |   2 |    3.2     .7   -2.7     -45     85    -56    -.19
       ESA  |   2 |     .2    -.6    1.3      -4     35     43    -.86
       GFZ  |   2 |     .6     .1    1.8      30     14     28    -.61
       GRG  |   2 |   -2.4     .7   19.4     143      1    119    -.28
       JPL  |   2 |    3.7    2.8   -2.2       9     -2     -1    -.75
       MIT  |   2 |   -5.6   -2.5    5.1      -3     65      1    -.47
       NGS  |   2 |   -2.1   -2.5  -13.4      -4     22     -6    -.39
       SIO  |   2 |   -7.1   -1.0   -3.0     -17    -11    -13    -.39

       COD  |   3 |     .5    -.4    2.3      18     29     19    -.88
       EMR  |   3 |     .3   -4.1    3.8     -44     56    -13    -.56
       ESA  |   3 |     .3     .2    1.4      18     42     30    -.84
       GFZ  |   3 |     .6     .8    2.2      42     25     15    -.80
       GRG  |   3 |   -1.9     .7   18.3     133    -28    144    -.19
       JPL  |   3 |    4.0    1.6   -1.9      18     15    -13   -1.03
       MIT  |   3 |   -4.8   -2.2    3.6      34     58    -24    -.56
       NGS  |   3 |     .3    1.6   -2.5      12     28     20    -.67
       SIO  |   3 |   -4.5    2.6   -5.5      -3     17    -19    -.50

       COD  |   4 |     .0    -.2    2.2      13     48      6    -.75
       EMR  |   4 |    1.2   -3.0    4.0     -67     68    -44    -.38
       ESA  |   4 |     .3    -.1     .8       5     51     23    -.79
       GFZ  |   4 |     .4     .6    2.5      29     26     12    -.77
       GRG  |   4 |   -2.4   -1.7   33.5     123    -27    121    -.36
       JPL  |   4 |    4.4     .2    2.5       8      0    -16    -.62
       MIT  |   4 |   -5.3     .5    7.4       7     91    -40    -.60
       NGS  |   4 |    1.5   -1.0   -4.4       4     44     -8    -.45
       SIO  |   4 |   -8.1    -.8  -12.0     -10     37    -12    -.56

       COD  |   5 |     .3     .1    2.0      18     34     -4    -.60
       EMR  |   5 |    3.1     .1    4.3     -29     60    -21    -.22
       ESA  |   5 |     .4   -1.2    1.2       9     80     60    -.74
       GFZ  |   5 |     .4     .5    1.6      37     18     23    -.63
       GRG  |   5 |     .8    2.2   25.6     130    -12    133    -.15
       JPL  |   5 |    9.0    6.1    3.9      19     16     -7    -.63
       MIT  |   5 |   -1.7    -.0    7.5      31     68      2    -.31
       NGS  |   5 |   -1.6    -.4    4.4       3     64    -22    -.27
       SIO  |   5 |     .9    -.7     .9      15     19     -1    -.24

       COD  |   6 |     .5     .2    2.0      20     36     -2    -.59
       EMR  |   6 |    3.5     .7    5.1     -39    113    -65    -.22
       ESA  |   6 |     .8    -.5     .7      10     31     47    -.52
       GFZ  |   6 |     .3     .2    1.6      35     25     30    -.60
       GRG  |   6 |    1.7    1.8   14.5     114    -15    144    -.16
       JPL  |   6 |    3.9    2.1    2.9       1      0      1    -.56
       MIT  |   6 |    -.6   -2.2   12.8      20     81    -22    -.27
       NGS  |   6 |     .5    1.6    1.0      21     45     -7    -.09
       SIO  |   6 |   -2.3   -2.4   -1.6       1     14    -27    -.24


10. 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.

11. 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.
    
    Starting 29-Jan-2017 (GPS Week 1934, day 0, MJD 57782) the absolute antenna
    model file has been updated to igs14.atx to be consistent with IGS14.
    See IGSMAIL #7399 for more information
        ftp://igs.org/pub/station/general/igs14.atx


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 1.2069.a). It also displays the computed satellite
position sigmas for the combined orbits (Table 1.2069.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 2.2069.[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 3.2069.[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 5.2069.0-6). 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 2069 summary.                       (Sep 01, 2019 - Sep 07, 2019)

Table 1.2069.a   GPS week: 2069   MJD: 58727.000-58733.000

         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  252|    0     0     0     7    14    21  -.04    8    8 |    -709     101      6     85
        |    0     0     2    19    13    15   .03           |     372     480
emr   79|   -1     0     0   -19     8    45   .15   12   12 |  143022     -60     14     92
        |    1     2     1    10    15    13   .03           |     718     803
esa  150|    0     0    -1   -11     2    -6  -.05   10    9 |    1999     662      8    138
        |    0     0     1    14     7    10   .02           |    2765     517
gfz  179|   -1    -1     0   -19    -3    -4   .04    9    9 |      35     112     11    171
        |    0     0     1    11    15     7   .03           |     412     598
grg   95|    2     1    11   -11    -4     0  -.08   19   15 |     -50     148     11    161
        |    1     0     5    10    10    26   .02           |     288     408
igr  n/a|    0     0     0   -19   -45   -19  -.03    4    4 |   20586   -1127     11     59
        |    0     0     1    10    13    16   .01           |   10162    1564
jpl   80|    0     0    -2    20     2   -19   .19    8    8 |  193175    -196      8     89
        |    0     0     0     8    14    11   .02           |   35766     795
mit  349|    1    -2     5   -23   -11     8  -.17   19   18 |    -394    -159     73   1708
        |    0     0     1    19    31    12   .03           |     309     485
ngs  210|    0     0    -3    26   -11   -13  -.10    8    7 |    -717      79    964   2225
        |    0     0     2    16    24    14   .02           |     330     460
sio  321|    0    -1     4   -23     0   -14  -.01   15   15 |     ---     ---    ---    ---
        |    1     0     1    26    17    44   .06           |     ---     ---


Table 1.2069.b   GPS week : 2069   MJD: 58727.000-58733.000   

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



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 2.2069.0   GPS week: 2069   Day: 0   MJD: 58727.000                            

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  252|    1     0     2     1    15     7  -.05    8    8 |    -888     382      7     78
emr   80|   -3     0     0   -37   -17    29   .14   12   12 |  143272    1120     14    104
esa  150|    0     0     0     0    -6    -1  -.02   10   10 |   -2368    1322      8    146
gfz  181|   -1     0     0   -14    22   -14   .05    8    8 |    -672     925     13    175
grg   95|    3     0    12    -5    -1    44  -.06   15   14 |    -362     699     12    171
igr  n/a|    0     0     0    -4   -38   -42  -.03    4    4 |   28374     794     10     64
jpl   80|    0     0    -2    28     1   -28   .18    8    8 |  214297    1096     10     98
mit  349|    0     0     5   -14   -19    21  -.19   18   17 |    -788     258     61   1646
ngs  214|    0     0    -7    25   -18    -9  -.11    7    6 |    -893     387   1077   2312
sio  324|    0     0     5   -47     7    21   .06   16   14 |     ---     ---    ---    ---

Table 2.2069.1   GPS week: 2069   Day: 1   MJD: 58728.000                            

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  256|    1     0     0    17    32    27  -.05    9    9 |    -750      49      6     85
emr   80|   -1     3    -1   -18     9    63   .15   12   12 |  144196    -282     15    100
esa  150|    0     0     0    -6    13     6  -.04    9    9 |    3848     811      7    139
gfz  183|   -1    -1     0   -22   -22    -2   .06    9    9 |     154     741     11    156
grg   94|    2     1     6   -10     7    17  -.10   14   14 |      75     112     10    159
igr  n/a|    0     0     0    -9   -23   -27  -.03    4    4 |   28923   -1337     11     52
jpl   80|    0     0    -3    14   -11   -26   .17    8    8 |  215223    -364      9     96
mit  349|    0    -2     3   -45   -70    11  -.20   19   17 |      50       6     60   1704
ngs  207|    1    -1    -2    42    17   -44  -.11    8    7 |    -855     347   1027   2209
sio  321|    1     0     4   -64   -32    11   .03   15   14 |     ---     ---    ---    ---

Table 2.2069.2   GPS week: 2069   Day: 2   MJD: 58729.000                            

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  251|    0     0     1    34    10    15  -.01    9    9 |   -1121     785      6     80
emr   80|   -2    -1    -2   -23    17    56   .12   11   11 |  143705   -1535     15     98
esa  150|    0     0    -2    -1     7   -21  -.02   10   10 |    3041    1319      9    139
gfz  181|   -1     0     4   -26    -3     2   .04    8    8 |     343    -521     11    170
grg   93|    2     2    12    -4   -24    15  -.10   16   16 |      78    -296     11    143
igr  n/a|    0     0     1   -17   -37   -33  -.06    4    4 |   27386   -3045     10     55
jpl   80|    1     0    -1    23    30   -32   .16    8    8 |  214630   -1477      7     79
mit  349|    1    -1     6   -14    14    21  -.19   19   17 |    -387    -119     73   1614
ngs  212|    1     1    -5     0   -41     2  -.13    7    6 |   -1028     534    811   2171
sio  322|    0    -1     6   -11     8   -21  -.00   17   17 |     ---     ---    ---    ---

Table 2.2069.3   GPS week: 2069   Day: 3   MJD: 58730.000                            

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  251|    0     0     0   -22    31    51  -.05    7    7 |    -487     -92      6    106
emr   80|   -1     0     0   -14     4    45   .20   12   12 |  142293     271     15     91
esa  150|   -1     0    -2   -28     1    -9  -.04    9    8 |    3401     392      8    137
gfz  180|   -1    -2     0   -22    13     0   .02   11   11 |    -124     402     12    214
grg  100|    4     2    11     0    -9   -28  -.06   16   15 |     -73     258     13    160
igr  n/a|    0     0     0   -20   -45   -19  -.02    4    4 |   24532   -1892     11     57
jpl   80|    0     1    -1    28    10   -23   .22    9    9 |  140784      83      8     87
mit  349|    1    -1     5    -3   -24    -6  -.13   20   18 |     -97    -752     66   1629
ngs  211|    0     0    -3    48   -40   -10  -.10    8    7 |    -588      29    836   1902
sio  320|    0    -1     5   -17    -9   -77   .01   15   14 |     ---     ---    ---    ---

Table 2.2069.4   GPS week: 2069   Day: 4   MJD: 58731.000                            

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  251|    0     0     0    -6     5    24  -.07    9    8 |     -36    -722      7     93
emr   79|    0    -2     0   -14    16    44   .13   15   13 |  142686    -114     15     76
esa  150|   -1     0     0    -5    -8   -19  -.06   11    9 |    3881     303      8    130
gfz  178|    0    -1     0     4   -11     1   .08   10    9 |     643    -605     12    164
grg   92|    4     2    20   -22     6   -23  -.12   47   19 |     465    -444     16    164
igr  n/a|    0     0    -1   -26   -60     3  -.03    6    4 |   22798   -2843     13     69
jpl   80|    0     0    -2    19    -6    -7   .19   12   12 |  140875    -400      8     96
mit  350|    1    -2     4   -53    24    -3  -.18   20   18 |    -320    -314    116   1818
ngs  209|    0     1    -3    20    -3   -15  -.10    8    6 |     -93    -761    705   2154
sio  319|   -1    -1     2   -28    23   -19  -.03   14   15 |     ---     ---    ---    ---

Table 2.2069.5   GPS week: 2069   Day: 5   MJD: 58732.000                            

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  252|    0     0    -5     9    -4     9   .01    8    8 |   -1054     392      7     73
emr   80|    0    -2     1    -3     0    26   .14   12   12 |  142574    -181     14     82
esa  150|    0     0    -1   -35     7     3  -.07   10   10 |    3853     -44      7    128
gfz  180|    0     0     0   -29    -7   -15   .00    9    9 |       4      19     11    156
grg   97|    2     3    14    -6    -5   -15  -.07   15   14 |    -202     194     11    170
igr  n/a|    0     0    -1   -30   -61   -18  -.03    4    4 |    5992     -36     11     58
jpl   80|    0     0    -2     4    -7    -4   .18    7    7 |  213436    -567      7    103
mit  350|    0    -2     5    -8    -4    -3  -.13   19   17 |    -470    -743     73   1836
ngs  210|    0     0     0    32    17   -16  -.10    7    6 |    -998     312   1240   2331
sio  322|    0     0     3    19    -1    45  -.04   15   15 |     ---     ---    ---    ---

Table 2.2069.6   GPS week: 2069   Day: 6   MJD: 58733.000                            

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  255|    0     0    -1    20     9    13  -.02    7    7 |    -632     -83      6     83
emr   80|   -1    -1     1   -26    30    52   .15   12   12 |  142433     297     15     96
esa  150|    0     0     0    -5     0    -4  -.06    9    9 |   -1658     533      9    147
gfz  175|    0     0     1   -26   -15    -3   .03   10   10 |    -101    -177     10    166
grg   96|    1     1     4   -29    -7    -6  -.06   13   13 |    -333     516      9    163
igr  n/a|    0     0    -2   -30   -53     0  -.02    4    4 |    6102     468     13     58
jpl   80|    0     0    -1    25     0   -11   .21    7    7 |  212982     252      7     70
mit  349|    0    -3     6   -27     0    16  -.19   20   19 |    -747     546     64   1713
ngs  210|    0     0    -1    15    -6    -4  -.07    8    7 |    -569    -293   1052   2497
sio  324|    0    -1     2   -16     1   -63  -.12   14   15 |     ---     ---    ---    ---

       
       
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 3.2069.0   GPS week: 2069   Day: 0   MJD: 58727.000                            

        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  |    7    9    6    5   10    3    6   12    7   13    2 |    30   33   31   30   32   29   32   30   28   33    30
   2  |    7    7    4    8   14    5    7   25    7   23    3 |    21   23   21   19   26   20   23   26   21   24    19
   3  |    7   10   16    8   18    3    8   11    8   13    3 |    43   47   48   43   54   42   42   46   42   50    44
  X4E |    1  ---  439  ---  ---   26  ---  ---  ---  ---    0 |    73  ---  356  ---  ---   75  ---  ---  ---  ---   205
   5  |    8   11    7    8   17    3    7   19    6   14    3 |    39   44   41   42   50   40   42   42   41   40    41
   6  |    6    6    7    7   12    3    7   13    6   11    2 |    29   33   30   28   32   28   34   27   27   35    29
   7  |    9   10    7    5    9    2    9   18    6   15    3 |    50   52   50   51   48   49   49   44   50   48    48
   8  |   11   14   14   14   17    3   12   13    9   11    4 |    33   38   32   31   40   31   35   35   35   38    33
   9  |    8   10   17    7   21    4   10   12    6    9    4 |   672  673  675  673  692  673  671  673  673  675   673
  10  |    5   11   14    7   15    3   11   12    5    8    3 |    34   37   36   34   42   32   35   34   30   37    34
  11  |    9   12   16    5   13    3    9   12    7   20    4 |    22   31   22   25   25   22   28   25   25   21    23
  12  |    7   14    6   12   16    6    6   32    9   20    4 |    30   41   33   35   39   33   35   37   34   38    33
  13  |    9   11    6    9   13    5   10   19    8   21    4 |    36   44   37   40   47   38   41   43   37   43    38
  14  |   10   11    8    8   11    4    7   16    5   15    3 |    41   40   39   40   46   38   40   36   36   40    38
  15  |    9   10    8   11   14    6    6   25    7   21    4 |    31   28   30   28   33   31   28   29   27   30    31
  16  |    9   21    7    8   16    4    7   26    8   19    4 |    23   29   25   24   29   22   24   28   22   25    22
  17  |    6   11    5    6   14    4   10   16    6   13    3 |    30   32   28   29   38   28   32   32   32   32    30
  18  |    5    8    7    5   11    2    6   13    6   13    2 |    19   23   21   18   23   18   20   22   19   22    18
  19  |   11   14    5    6   15    6    8   18    6   14    3 |    42   40   40   42   44   41   42   39   40   44    40
  20  |   12   11    5    7   16    3    7   17    8   20    3 |    43   39   37   39   45   36   37   36   34   36    37
  21  |    8   13    7    8   11    3    9   18   11   22    4 |    24   28   24   24   26   22   27   24   22   23    22
  22  |   10   15   10   10   28    4    8   16    7   16    4 |    47   55   52   53   56   51   50   60   52   55    50
  23  |    7   21    7    7   22    4    6   26    7   17    4 |    31   43   32   34   37   30   33   30   33   27    31
  24  |    7    9    6   10   12    5    8   15    7   13    3 |    29   37   31   28   33   30   35   33   29   33    30
  25  |    9   13   12    7   14    4    7   11    7   12    3 |    33   40   34   34   39   32   35   34   33   37    33
  26  |    7    8   10    7   10    3    9   14    7   11    3 |    36   39   39   37   43   37   39   36   35   38    37
  27  |    9   17   14   15   13    4   12   12    8   17    4 |    34   38   39   36   42   33   35   35   32   44    35
  28  |    8   10    5    7   10    4    6   34    9   19    4 |    30   34   27   29   37   26   31   29   31   26    27
  29  |    5   17    7    8   16    3   10   18   10   17    4 |    25   26   20   26   28   23   22   23   24   34    23
  30  |   11   10    7    7   12    3    8   13    6   10    3 |    29   35   30   29   32   28   33   27   26   32    28
  31  |    9   10    8    6    8    3    8   15    5   20    3 |    36   42   36   39   37   37   40   36   36   38    37
  32  |   10   13   15    6   10    4    6    6    6    9    3 |    51   52   52   48   56   47   51   48   44   51    49
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   12   10    8   15    4    8   18    7   16      |T   54   57   64   54   59   53   55   54   53   56    58
 WRMS |    8   12   10    8   14    4    8   17    6   14      |NE  54   58   55   55   60   53   56   55   53   57    54
 MEDI |    8   11    7    7   14    4    8   16    7   15      |MD  33   38   33   34   39   32   35   34   33   37    33

Table 3.2069.1   GPS week: 2069   Day: 1   MJD: 58728.000                            

        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  |    6   10    7    6   11    3    5   10    7   11    2 |    28   34   29   31   30   28   32   30   29   30    29
   2  |    8    9    5    9   17    5    6   22    7   22    3 |    16   20   17   17   21   16   19   23   19   19    16
   3  |    7   13   16   11   17    5    9   14    8   13    4 |    38   41   39   41   43   36   36   40   38   43    38
  X4E |  468  ---    1  ---  ---  469  ---  ---  ---  ---    0 |    56  ---  270  ---  ---   53  ---  ---  ---  ---   321
   5  |    8   12    6    8   18    4    8   19    7   15    3 |    36   36   34   36   40   35   36   36   36   34    35
   6  |    6    8    7    7   16    4    6   12    7    8    3 |    23   25   25   22   22   21   28   21   23   25    23
   7  |    7   14    6    7    9    3    7   21    9   15    3 |    26   27   24   26   24   24   26   25   24   29    24
   8  |    7   10   15    9   17    4   11   14   10   12    4 |    21   27   24   25   29   22   26   28   24   29    24
   9  |    7   11   13    7   17    4    8   15    6   10    3 |   512  509  515  511  529  513  511  513  512  516   512
  10  |    7   12   13    8   15    4    9   13    8   11    3 |    27   25   25   25   29   23   24   22   26   27    24
  11  |   10   13   15   10   12    4    9   11    9   19    4 |    20   31   22   23   22   20   27   23   23   17    21
  12  |    8   13    6   10   17    4    4   32    8   21    4 |    18   23   18   26   21   20   23   21   22   24    19
  13  |   10   12    8   14    9    5    9   18   10   18    4 |    18   24   17   24   22   18   26   25   19   25    19
  14  |   12   12    9    9   11    5    7   16    5   16    3 |    24   23   19   21   24   18   21   16   18   20    18
  15  |    9    8    6    9   12    6    6   23    7   18    3 |    24   24   24   27   27   24   24   21   24   22    25
  16  |    9   19    5   13   17    5    8   26   11   20    4 |    20   23   20   23   22   17   21   22   17   21    17
  17  |    8    9    5    7   14    4   10   18    9   14    3 |    25   25   19   22   25   20   25   22   23   21    22
  18  |    5    7    9    6    8    3    7   12    5    9    2 |    20   23   21   20   24   19   21   23   20   18    20
  19  |   10   17    5    7   17    4    6   18    6   14    3 |    25   25   27   26   25   24   25   28   26   27    24
  20  |   15   10    7    9   17    5    8   20    7   21    4 |    29   23   22   26   27   22   21   16   21   20    21
  21  |   11    9    6    8   11    4    7   18    8   22    3 |    23   22   18   21   21   17   22   19   19   20    18
  22  |    8   11    8   16   22    6    8   19   10   13    4 |    41   46   42   49   45   43   43   49   45   44    43
  23  |    7   24    7    8   20    4    5   28   10   20    4 |    32   37   30   33   32   28   30   30   34   26    30
  24  |    8    9    6   10   12    7    8   15    8   10    3 |    30   35   31   29   32   30   35   33   31   32    31
  25  |   12   11   11    8   14    4    7   12    8   14    3 |    24   30   26   24   26   23   27   24   22   32    24
  26  |   11    9    9   10   13    4    8   13    8   12    3 |    26   29   25   28   28   24   28   26   24   30    25
  27  |    8   10   16    9   17    4   10   16    8   12    4 |    20   22   21   22   27   19   22   25   21   27    20
  28  |    7   11    6    8   12    5    8   34    9   18    4 |    21   24   17   19   20   17   21   22   22   19    17
  29  |    9   16    7    8   13    5    8   19    6   15    3 |    23   24   22   27   24   24   23   24   24   26    23
  30  |    7    9    5   10    9    4    8   14    7    9    3 |    19   28   23   21   18   20   27   20   19   23    21
  31  |    9   10    8    7    9    3    7   14    6   17    3 |    20   27   19   25   25   22   25   23   21   23    21
  32  |    6   13   14    6   11    3    7    6    5    9    3 |    24   26   27   24   30   24   27   20   23   27    24
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   12    9    9   14    4    8   19    8   15      |T   40   43   47   41   43   39   42   40   40   41    48
 WRMS |    9   12    9    9   14    4    8   17    7   14      |NE  41   43   40   42   43   39   42   41   40   42    40
 MEDI |    8   11    7    8   14    4    8   16    8   14      |MD  24   25   24   25   25   22   26   23   23   26    23

Table 3.2069.2   GPS week: 2069   Day: 2   MJD: 58729.000                            

        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  |    8    7    7    6   12    2    5   10    5   16    2 |    24   30   27   27   25   25   31   23   25   34    27
   2  |    7   11    7    8   17    4    6   22    6   22    3 |    29   31   30   31   33   27   28   26   28   29    28
   3  |    8   10   17    9   16    3    8   15    8   14    4 |    28   29   28   29   38   27   29   28   29   36    28
  X4E |  473  ---    2  ---  ---  463  ---  ---  ---  ---    0 |    38  ---  307  ---  ---   32  ---  ---  ---  ---   320
   5  |   10   10    6    8   21    3    8   17    8   14    3 |    29   29   28   30   34   27   29   28   29   31    28
   6  |   10    9    6    7   15    3    6   13    6   12    3 |    37   40   38   36   37   35   38   37   37   39    37
   7  |    8   10    9    5    8    3    7   22    5   17    3 |    37   39   37   36   34   37   39   35   41   41    37
   8  |    8   12   14   11   18    4   11   15    9   14    4 |    32   36   32   33   36   32   35   36   36   38    34
   9  |    6   11   17    8   22    3    9   16    5    9    4 |   749  753  750  751  773  751  748  748  752  752   750
  10  |    6    9   13    6   16    3    9   12    5   10    3 |    29   31   28   28   37   28   29   27   29   31    28
  11  |   10   11   16    7   13    3    9   11    7   20    4 |    24   35   22   26   25   24   32   27   29   24    26
  12  |   11   17    6    7   17    3    5   32   10   24    4 |    30   34   30   33   32   29   29   31   31   34    29
  13  |    9   10    7    7   11    4    7   17    5   20    3 |    34   38   35   36   39   34   35   38   35   36    35
  14  |   12    9    6    8   16    3    7   18    8   18    3 |    33   37   32   33   37   33   36   33   37   34    34
  15  |    8    9    7    8   15    4    6   23   10   22    4 |    27   25   26   25   23   26   24   21   26   21    26
  16  |    9   20    9   10   19    4    8   27    8   22    4 |    24   32   26   27   29   23   24   26   26   26    24
  17  |    9    8    7    8   16    4    8   17    8   14    3 |    33   34   28   32   37   30   36   33   32   30    32
  18  |    7    6    8    9   11    3    8   12    5   15    3 |    23   30   26   28   28   25   29   29   27   30    26
  19  |   14   10    8    9   17    4    8   18    8   17    4 |    37   38   36   37   38   36   40   40   38   38    36
  20  |    9   10    6    8   20    5    7   19    7   16    3 |    35   37   33   36   41   34   34   35   36   34    34
  21  |   10   10    7    9   16    4    8   20    6   22    3 |    35   31   30   32   34   27   30   23   30   26    29
  22  |   10    8    8    9   20    3    6   18    5   16    3 |    27   29   25   31   36   28   28   31   28   32    28
  23  |    6   23    7    9   25    4    5   29    8   20    4 |    25   33   24   28   28   24   26   19   29   18    24
  24  |    8    8    8    9   10    6    9   16    9   13    3 |    24   33   31   22   26   23   29   30   26   29    25
  25  |    9   11   12    7   14    3    6   12    6   14    3 |    26   32   29   28   28   25   28   28   27   32    27
  26  |    9    7   11    7   14    5    8   14    8   13    3 |    33   37   33   32   36   32   33   34   35   38    33
  27  |    8   12   13   11   17    3   11   17    9   14    4 |    35   36   35   34   38   33   35   36   35   38    34
  28  |   10   10    5    8   17    4    7   32    7   16    4 |    34   34   29   31   33   29   32   33   30   30    30
  29  |   11   18    8    9   20    4    7   19    8   16    4 |    32   28   26   28   30   25   27   24   28   30    27
  30  |    9   10    6    7   11    3    7   17    5   11    3 |    34   37   33   35   31   31   36   32   31   34    33
  31  |    7    7    8    8   10    3   10   17    4   18    3 |    28   35   29   31   30   29   31   26   30   32    29
  32  |   11   10   14    5   16    4   12    8    5   12    3 |    35   39   37   34   40   35   39   33   38   37    36
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   11   10    8   16    4    8   19    7   17      |T   53   56   61   54   56   51   54   53   54   55    61
 WRMS |    9   11   10    8   16    4    8   17    6   17      |NE  54   57   54   54   57   53   55   53   55   55    54
 MEDI |    9   10    8    8   16    3    8   17    7   16      |MD  32   34   30   31   34   29   31   31   30   32    29

Table 3.2069.3   GPS week: 2069   Day: 3   MJD: 58730.000                            

        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  |    4    7    5    8   11    3    8   12    5   10    2 |    27   33   28   30   31   27   31   24   26   30    28
   2  |    6    8    5   11   17    3    8   24    8   20    4 |    20   22   20   23   25   19   20   22   21   21    19
   3  |    6   10   14    9   16    3   10   15    8   11    3 |    30   31   29   32   41   28   27   29   27   35    29
  X4E |    4  ---  386  ---  ---   20  ---  ---  ---  ---    0 |    63  ---  292  ---  ---   54  ---  ---  ---  ---    93
   5  |    7   10    7   11   22    4    7   18    9   15    3 |    27   28   25   31   37   26   28   26   25   29    26
   6  |    6    8    8    8   17    3    9   16    9    7    3 |    21   26   24   20   24   22   26   25   23   28    22
   7  |    5   11    8    8    8    3    7   22    8   17    3 |    35   37   36   37   33   34   35   27   35   33    34
   8  |    6   11   13   17   17    5   12   16    9   12    4 |    24   30   23   24   29   24   29   29   28   28    25
   9  |    7   13   13   10   21    3   13   16    9   10    4 |   335  341  336  332  338  335  339  334  333  333   335
  10  |    5    8   11   11   13    3    9   12    6    8    3 |    24   28   27   24   33   25   25   24   24   29    24
  11  |    8    8   13    9   13    4   10   14    8   16    3 |    22   32   23   27   27   23   29   25   27   24    24
  12  |    5   18    5   11   17    3    6   33    9   21    4 |    19   26   19   25   25   20   24   22   20   23    19
  13  |    8   10    6    9   13    3    7   18    9   17    3 |    18   24   20   22   25   20   25   24   21   21    20
  14  |    7    9    7   10   15    5    7   18    7   15    3 |    23   24   20   21   24   20   22   20   21   23    20
 X15  |    6   12    6    9  ---    4    7   24    8   18    4 |    22   28   23   28  ---   24   26   29   28   30    22
  16  |    8   22    7    9   16    3   10   28    8   22    4 |    20   25   21   24   22   19   19   18   19   20    18
  17  |    4   12    5    9   17    3   10   17    7   12    3 |    23   26   19   22   29   21   25   24   25   23    22
  18  |    4   10    8   10   10    5    7   14    6   12    3 |    20   27   24   24   25   20   21   22   21   22    20
  19  |   10   13    5   11   18    4   10   18    7   14    3 |    25   24   22   27   26   23   27   26   25   24    23
  20  |    9    8    5   13   17    5    8   18    6   17    3 |    25   26   21   24   28   22   21   22   23   24    21
  21  |    8   12    8   10   15    5    6   18    7   16    3 |    22   27   19   21   25   20   24   22   21   22    19
  22  |    4    9    8   10   20    3    6   21    7   16    3 |    30   33   27   32   41   28   30   32   26   29    28
  23  |    7   27    6   13   21    4    9   30    7   18    5 |    24   31   22   34   33   24   25   23   25   22    23
  24  |    4    7    5    9   12    4   11   16    6    8    3 |    21   29   25   21   24   22   30   27   20   28    23
  25  |    8    9   10   10   14    4    9   14    8   13    3 |    22   28   27   25   25   22   27   23   23   32    24
  26  |    8    8    9   13   13    3    8   16    8   11    3 |    26   28   27   27   26   24   26   22   23   27    24
  27  |    6   14   14   10   23    5   10   15    9   12    4 |    25   25   24   25   32   24   26   25   25   28    24
  28  |   11   12    5    8   15    3    7   35    6   17    4 |    27   24   20   25   29   20   24   25   21   21    21
  29  |    6   18    6   10   15    4    8   22    7   16    4 |    23   25   22   22   26   21   22   22   23   26    21
  30  |    8    8    6    9   10    3    8   17    9   11    3 |    24   31   26   24   27   25   31   24   26   31    26
  31  |    8    9    6    9   10    4    8   16    6   17    3 |    28   38   29   29   29   29   33   26   29   29    28
  32  |    9   10   13   14   16    5    9    9    6   10    3 |    27   29   27   25   28   24   29   21   24   25    25
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    7   12    9   10   16    4    9   20    8   15      |T   35   38   42   35   38   34   36   34   34   36    35
 WRMS |    7   12    8   11   15    4    9   18    7   14      |NE  34   38   34   36   39   33   36   34   34   36    33
 MEDI |    6   10    7   10   15    4    8   17    8   15      |MD  24   28   24   25   27   23   26   24   24   27    23

Table 3.2069.4   GPS week: 2069   Day: 4   MJD: 58731.000                            

        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  |    8   10    7    9   17    4    5   10    5   10    3 |    28   33   29   30   32   28   33   29   28   33    30
   2  |    8    8    6    9   20    4    6   24    7   19    3 |    29   29   27   29   36   27   26   27   27   25    27
   3  |    7    8   16    9   19    4    8   16    7   12    3 |    31   33   35   33   42   32   33   33   32   36    32
  X4E |    1  ---  410  ---  ---   31  ---  ---  ---  ---    0 |    36  ---  333  ---  ---   36  ---  ---  ---  ---    60
   5  |    8   14    8   11   30    4    7   18    7   16    4 |    31   33   29   30   44   29   30   31   30   28    29
   6  |    8    8    6    9   19    5    6   15    5    9    3 |    34   36   33   31   39   31   38   36   30   35    33
   7  |    7   11    8    6   13    5    7   23    7   17    3 |    39   37   37   38   39   37   39   35   39   39    38
   8  |    8   11   15   11   19    4   11   14    7   11    4 |    36   36   35   34   35   35   38   38   36   40    35
   9  |   25   49   29   27  237   25   51   24   28   23   13 |  9999 9999 9999 9999 9999 9999 9999 9999 9999 9999  9999
  10  |    6   12   13    7   15    4    8   12    4    8    3 |    33   31   33   33   41   32   33   32   33   37    33
  11  |    8   11   17    8   17    5    7   12    7   14    3 |    28   34   28   29   30   29   35   32   31   26    29
  12  |   11   17    6   11   20    4    6   33    8   19    4 |    29   36   30   36   37   31   32   33   32   34    31
  13  |    8   13    9    7   14    4    8   18    7   15    3 |    36   39   36   36   44   35   35   38   35   36    36
  14  |    9    9    8    6   17    5    7   17    6   14    3 |    37   35   37   38   39   35   36   34   35   37    36
 X15  |    2  --- >>>>  ---  --- >>>>  ---  ---  ---  ---    0 |    51  --- 9999  ---  --- 9999  ---  ---  ---  ---    50
  16  |   10   20    8    9   20    4    6   27    8   19    4 |    32   34   32   32   30   30   31   29   32   32    31
  17  |    8   11    7   10   20    4    8   17    8   14    3 |    34   36   31   33   42   32   35   34   33   31    33
  18  |    5    7    9    7   13    4    6   13    7   13    3 |    28   31   30   28   30   28   29   32   29   35    29
  19  |    9   10    7   10   21    4    7   20    7   15    3 |    37   36   36   36   42   35   37   41   37   37    36
  20  |    8   12    6    9   18    4    6   21    6   17    3 |    37   34   37   40   43   36   35   35   36   36    36
  21  |    7   10    5   10   15    4    6   20    8   20    3 |    32   30   31   34   34   30   30   26   32   28    30
  22  |    8   10   11   12   23    6    5   21    6   15    3 |    32   37   36   38   40   36   35   39   36   36    35
  23  |    6   24    6   11   23    5    8   28    8   19    4 |    31   35   31   31   36   29   32   29   32   28    30
  24  |    7    9    7   10   13    3    9   12    5    7    3 |    26   35   31   27   31   27   31   29   27   30    28
  25  |    9    9   12    5   15    4    6   15    6   10    3 |    28   34   31   31   31   28   31   29   29   34    30
  26  |   11   11   11   10   16    4    6   16    6   10    3 |    37   36   36   36   37   35   35   32   35   39    35
  27  |    6   13   17    7   23    3    9   12    7   12    4 |    35   37   39   36   39   36   39   38   39   44    37
  28  |   10   12    5    9   17    4    7   34    7   15    4 |    32   34   30   30   40   30   33   34   31   31    31
  29  |    9   20    7   11   18    4    9   22   12   14    4 |    29   27   26   29   33   26   26   28   30   29    27
  30  |    6    8    6    8   14    4    8   17    5   10    3 |    34   38   36   36   39   34   39   34   32   36    35
 X31  |    7  ---    7    7   10    3    7   15    6   16    3 |    30  ---   30   31   31   29   34   28   30   31    30
  32  |   12   11   15    7   16    5    7    9    4    7    3 |    42   38   41   39   44   38   39   37   38   41    39
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   15   11   10   47    6   12   20    8   14      |T   33   34   42   33   37   31   33   32   32   33    33
 WRMS |    8   13    9    9   19    4   12   18    6   15      |NE  33   34   32   33   37   31   33   32   32   33    32
 MEDI |    8   11    8    9   17    4    7   17    7   14      |MD  32   35   32   33   39   31   34   33   32   35    33

Table 3.2069.5   GPS week: 2069   Day: 5   MJD: 58732.000                            

        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  |    6    9    9    9   12    3    6    9    5    8    2 |    22   27   25   23   26   22   27   23   22   26    23
   2  |    8    8    6    8   14    5    5   21    5   20    3 |    21   19   19   20   22   18   17   20   19   16    17
   3  |    5   10   14    6   15    3    7   15    6   13    3 |    27   27   27   25   33   25   28   27   28   33    26
  X4E |    3  ---  486  ---  ---   19  ---  ---  ---  ---    0 |    55  ---  332  ---  ---   51  ---  ---  ---  ---    35
   5  |    9   11    5    8   18    3    6   18    7   18    3 |    25   25   22   29   32   23   24   26   24   18    23
   6  |    6    9    6    8   15    4    6   13    5   10    2 |    23   28   23   22   21   21   27   23   22   26    23
   7  |    7    9    9    8    7    4    7   23    5   17    3 |    25   22   21   24   20   19   22   21   18   22    20
   8  |   10   12   15   21   14    4   10   15    7   14    4 |    42   42   41   41   41   40   40   44   38   41    39
   9  |    6   12   18    6   20    6    8   14    6    8    3 |   499  496  500  500  499  498  497  501  493  498   497
  10  |    6    8   13    7   13    5    7   12    5    9    3 |    21   23   23   23   28   23   23   22   22   24    21
  11  |    9   11   17   11   12    4    7   11    6   19    4 |    20   26   24   22   21   19   26   21   19   18    19
  12  |   11   15    6    8   17    5    6   33    7   19    4 |    19   23   19   23   23   19   22   23   20   20    18
  13  |   10   11    9   10   15    5    6   17    7   15    3 |    25   29   24   27   29   24   28   28   26   23    25
  14  |    9   10    9    8   13    4    7   17    6   13    3 |    21   22   23   21   26   20   20   17   19   20    19
 X15  |    7  ---  ---   16  ---   15  ---   24  ---   16    8 |    17  ---  ---   20  --- 9999  ---   15  ---    9    14
  16  |    9   19    6    8   17    4    5   28    9   20    4 |    20   20   19   20   19   17   18   19   16   17    16
  17  |    6   11    7    6   16    4    8   17    6   13    3 |    24   27   18   21   26   20   24   25   24   18    22
  18  |    7    7    8    7    9    4    6   13    7    8    2 |    16   17   15   14   17   13   15   17   14   15    13
  19  |    8   11    7    9   17    4    7   19    6   14    3 |    27   29   25   26   25   26   27   31   28   28    26
  20  |    8    9    9   10   16    5    7   18    6   18    3 |    25   23   22   25   28   21   20   21   20   19    20
  21  |    7    8    6    7   11    5    6   19    6   22    3 |    16   20   14   17   20   15   19   17   15   17    14
  22  |    6   10    9    6   21    2    5   20    7   16    3 |    27   31   27   27   30   27   28   33   29   29    27
  23  |    7   24    8    7   20    4    5   28   10   18    4 |    28   34   26   26   26   24   27   20   30   23    26
  24  |    7    9    6    9   14    5    6   11    7    8    2 |    21   28   20   19   21   19   26   21   18   22    21
  25  |   10    9   11    6   15    4    5   13    7   12    3 |    24   27   23   24   31   22   26   24   20   29    23
  26  |   11   10    9    8   15    4    7   18    6   11    3 |    28   29   27   26   28   24   26   25   21   27    24
  27  |    7   11   15   13   17    4   10   16    9   17    4 |    23   24   25   23   26   22   24   25   20   29    21
  28  |    8   11    6    9   13    4    7   35    7   17    4 |    22   24   15   19   23   16   21   21   18   15    16
  29  |    8   19    8   10   15    4    7   21    7   16    4 |    20   20   18   21   22   19   19   19   19   21    17
  30  |    6    7    7    7   11    3    6   17    8    9    3 |    21   26   20   22   18   20   27   20   19   23    21
  31  |   10    8    9    8    9    4    7   15    8   15    3 |    22   27   19   18   18   19   26   20   20   25    20
  32  |    6   12   17    8   12    4    7   10    6   10    3 |    26   29   33   26   34   28   29   25   25   26    27
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   12   10    9   15    4    7   19    7   15      |T   39   41   48   38   41   37   40   38   37   37    36
 WRMS |    8   12   10    9   14    4    7   17    6   15      |NE  38   41   38   38   41   37   40   38   37   37    36
 MEDI |    7   10    9    8   15    4    7   17    6   15      |MD  23   26   23   23   26   21   26   22   20   23    21

Table 3.2069.6   GPS week: 2069   Day: 6   MJD: 58733.000                            

        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  |    5    5    6    9   11    3    6   12    4    6    2 |    29   32   30   30   32   29   31   32   29   29    29
   2  |    7   10    6   10   11    5    5   24    8   20    3 |    24   27   23   24   29   22   24   25   24   23    23
   3  |    7   10   12    7   13    3    8   17    7   12    3 |    26   27   30   26   34   25   27   29   28   31    26
  X4E |    1  ---  458  ---  ---   26  ---  ---  ---  ---    0 |    53  ---  282  ---  ---   57  ---  ---  ---  ---    48
   5  |    7   11    6    8   13    4    6   18    9   15    3 |    26   24   23   24   30   23   27   24   26   22    23
   6  |    5    6    6   10   11    4    7   15    9    8    3 |    29   34   30   29   31   28   34   29   27   32    30
   7  |    5   11    8    8    8    4    6   23    7   18    3 |    43   41   42   44   40   42   41   37   41   39    41
   8E |    9   11   14   16   15    6    9   13    9   11    4 |    60   60   54   54   57   57   62   62   63   65    59
   9  |    5   14   16    9   17    3    9   15    6    8    3 |   607  611  611  608  609  609  609  610  608  608   609
  10  |    6    9   12   10   12    3    7   12    7    7    3 |    21   23   24   26   29   21   23   20   20   23    22
  11  |    9   10   15    9   13    4    7   12    6   14    3 |    26   33   26   29   27   27   31   31   28   22    26
  12  |    8   16    6   10   12    6    5   33   12   19    4 |    26   30   23   27   23   23   26   24   26   20    23
  13  |   10   12    6   10   10    4    7   19    8   15    3 |    27   30   27   30   33   27   31   29   26   24    26
  14  |    7   11    8    9   12    5    6   17    7   15    3 |    25   25   23   24   33   23   23   25   24   26    23
  15  |    5   14    6    8   12    7    7   25    8   15    3 |    16   15 9999   22   20 9999   17   15   17    8    15
  16  |    8   24    5    8   13    4    6   25    8   18    4 |    22   26   18   21   20   19   16   17   18   16    16
  17  |    8   11    7    8   15    4    9   19    7   16    3 |    28   33   22   28   32   26   30   26   26   20    26
  18  |    5   10    7   11   10    3    5   13    5    9    2 |    21   25   21   23   24   21   22   23   21   20    21
  19  |    8   11    7    9   14    5    8   20    7   15    3 |    34   35   33   35   36   35   36   41   36   37    34
  20  |    7    7    7   10   13    4    6   21    9   19    3 |    24   23   21   26   30   21   22   25   19   21    21
  21  |    6   20    6   10   11    6    7   20   12   22    4 |    23   31   21   24   25   22   25   26   24   23    21
  22  |    8    7    8    9   19    3    5   19    6   14    3 |    25   31   28   30   34   26   29   34   29   30    27
  23  |    7   24    6   10   18    3    5   28    7   17    4 |    28   32   26   27   31   25   30   30   26   22    26
  24  |    7    7    6   10    8    7    4   15    9    8    2 |    25   28   24   24   26   23   28   25   19   24    23
  25  |    9   12   10   10   12    3    5   15    6   11    3 |    23   25   24   24   28   22   26   21   20   27    22
  26  |    8   10   10    8   10    3    8   16    7   10    3 |    29   30   29   29   28   28   27   26   24   31    26
  27  |    8    9   15    9   18    4    9   13    8    9    3 |    29   32   29   26   30   27   30   30   28   27    28
  28  |   10    9    5    8    8    5    6   34    9   19    4 |    22   22   18   21   25   19   23   29   19   20    19
  29  |    6   20    8   15   12    5    9   22    5   15    4 |    30   28   28   31   30   30   26   31   29   27    27
  30  |    5   10    6    8    9    3    7   18    9    6    3 |    28   33   29   29   29   28   33   30   27   27    29
  31  |    7    7    6    5    8    3    6   16    5   16    3 |    32   33   34   34   32   34   35   28   31   31    32
  32  |    5   10   13    9   10    4    8   11    8    6    3 |    32   31   32   29   39   30   30   29   29   31    30
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    7   12    9   10   13    4    7   20    8   14      |T   46   48   54   47   49   46   47   47   45   45    45
 WRMS |    7   12    9   10   13    4    7   19    7   15      |NE  46   48   46   46   48   46   47   46   44   44    44
 MEDI |    7   10    7    9   12    4    7   18    7   15      |MD  26   30   27   27   30   26   28   29   26   26    26



Table 4: Precise Navigation Summary.

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

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

Table 4.2069   GPS week: 2069   MJD: 58727.0-58733.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3057 |U    8    14    24 |U    7     9    22 |U    9    10    21 |
emr | emr 2934 |U   13    18    36 |U   11    16    44 |U   16    16    40 |
esa | esa 3058 |    10    16    26 |U    7    10    30 |    11    12    30 |
gfz | gfz 2961 |U    8    13    22 |U    5     9    24 |U   10    10    21 |
grg | grg 2931 |U   10    17    26 |U    8    11    32 |    10    13    23 |
igr | igr 2955 |     8    14    21 |     6     8    24 |     9    10    22 |
igs | igs 2974 |     8    14    22 |     7     9    27 |     9    10    24 |
jpl | jpl 2948 |U   11    16    33 |U   10    13    44 |U   12    11    33 |
mit | mit 2962 |    14    13    25 |U   15    15    50 |U   15    15    35 |



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 5.2069.0   GPS week: 2069   Day: 0   MJD: 58727.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3071 |    10    14    27 |     5    12    27 |     7     9    25 |
emr | emr 2976 |    11    19    40 |     7    16    45 |    15    17    40 |
esa | esa 3072 |    11    15    25 |     6    11    31 |     9    10    34 |
gfz | gfz 2973 |    10    13    27 |     5    10    29 |     9     8    23 |
grg | grg 2971 |    16    17    28 |     7    13    38 |     8    11    26 |
igr | igr 2967 |     9    13    26 |     5    10    28 |     9     9    25 |
igs | igs 2976 |     9    13    26 |     5    11    29 |     9     9    26 |
jpl | jpl 2976 |    12    15    34 |     7    15    40 |    11     9    40 |
mit | mit 2976 |    12    11    30 |    10    15    44 |    10    10    33 |

Table 5.2069.1   GPS week: 2069   Day: 1   MJD: 58728.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3071 |     6    14    23 |     6     9    21 |     8    10    25 |
emr | emr 2976 |    14    22    38 |    10    17    38 |    16    18    43 |
esa | esa 3072 |     8    13    25 |     6     9    28 |    11    12    36 |
gfz | gfz 2976 |     6    13    22 |     6     8    20 |     9    11    25 |
grg | grg 2976 |     8    16    26 |     8    10    33 |     9    14    27 |
igr | igr 2976 |     6    12    21 |     5     8    22 |     9    10    26 |
igs | igs 2976 |     6    14    24 |     6     9    24 |     9    11    30 |
jpl | jpl 2976 |    10    15    34 |     7    14    35 |    11    11    37 |
mit | mit 2976 |    12     9    20 |    10    12    34 |    13    12    35 |

Table 5.2069.2   GPS week: 2069   Day: 2   MJD: 58729.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3071 |     7    12    21 |     7     8    23 |    10     7    21 |
emr | emr 2976 |    11    16    31 |    10    23    36 |    16    13    32 |
esa | esa 3072 |     9    14    26 |     7     8    30 |    12    11    27 |
gfz | gfz 2976 |     7    11    19 |     6     7    24 |    11     8    19 |
grg | grg 2968 |    13    20    29 |     8    10    33 |    11    11    23 |
igr | igr 2974 |     6    10    19 |     6     7    24 |    10     9    18 |
igs | igs 2976 |     7    11    21 |     7    10    26 |    10     9    20 |
jpl | jpl 2976 |    11    14    31 |    10    14    40 |    11    10    24 |
mit | mit 2976 |    12    11    26 |    13    20    38 |    19    16    35 |

Table 5.2069.3   GPS week: 2069   Day: 3   MJD: 58730.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    11    17    26 |     7     8    22 |     9    12    16 |
emr | emr 2976 |    17    23    29 |    12    13    43 |    17    15    39 |
esa | esa 3072 |    13    24    24 |     8     8    31 |    11    14    25 |
gfz | gfz 2976 |    12    18    24 |     5     7    22 |    11    10    16 |
grg | grg 2875 |    11    20    29 |     8     9    32 |     9    17    18 |
igr | igr 2976 |    12    19    23 |     7     7    22 |    10    12    18 |
igs | igs 2976 |    11    19    23 |     7     7    25 |    10    12    20 |
jpl | jpl 2976 |    12    21    29 |     8    13    36 |    14    13    29 |
mit | mit 2976 |    16    18    25 |    13    14    38 |    13    15    35 |

Table 5.2069.4   GPS week: 2069   Day: 4   MJD: 58731.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2975 |     6    12    23 |     7     9    21 |    10    11    18 |
emr | emr 2784 |    14    15    50 |    13    17    79 |    26    22    46 |
esa | esa 3072 |  ----  ----  ---- |     7     9    31 |    11    11    21 |
gfz | gfz 2879 |     6    11    21 |     5    11    23 |     9     9    17 |
grg | grg 2874 |     7    14    21 |     9    12    30 |    12    16    18 |
igr | igr 2840 |     5    12    19 |     5    10    28 |     9    10    20 |
igs | igs 2967 |     6    14    22 |    11    11    34 |     9     9    19 |
jpl | jpl 2880 |    10    14    40 |    13    14    82 |    11    11    25 |
mit | mit 2880 |    16    13    32 |    34    23   113 |    28    19    33 |

Table 5.2069.5   GPS week: 2069   Day: 5   MJD: 58732.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3069 |     8    18    17 |     8     7    22 |     9     9    21 |
emr | emr 2880 |    13    15    32 |    12    14    30 |    13    12    40 |
esa | esa 2976 |     8    14    24 |    10    12    33 |    11    12    35 |
gfz | gfz 2976 |     7    12    18 |     6    10    29 |     9    11    22 |
grg | grg 2880 |     7    16    18 |     9    12    37 |    11    13    22 |
igr | igr 2976 |     7    17    16 |     8     7    24 |     9    10    23 |
igs | igs 2976 |     7    16    16 |     8     7    25 |     9    10    27 |
jpl | jpl 2880 |     8    16    30 |    12    13    40 |    12    11    39 |
mit | mit 2976 |    12    14    17 |    12    11    37 |    11    14    29 |

Table 5.2069.6   GPS week: 2069   Day: 6   MJD: 58733.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3071 |     9    14    30 |     7     7    19 |     8    10    20 |
emr | emr 2976 |    14    16    32 |    13    12    39 |    13    12    40 |
esa | esa 3072 |     9    13    34 |     9     9    26 |    11    14    34 |
gfz | gfz 2976 |     9    12    23 |     6     8    19 |    10    12    23 |
grg | grg 2975 |     9    17    27 |     9     9    21 |    10    11    25 |
igr | igr 2976 |     9    13    24 |     7     7    20 |     9    12    24 |
igs | igs 2976 |     8    14    24 |     8     8    23 |    10    11    26 |
jpl | jpl 2976 |    11    14    33 |    10    10    33 |    13    12    34 |
mit | mit 2976 |    15    16    27 |    13    10    49 |    15    15    44 |


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 6.2069   GPS week: 2069   MJD: 58727.500-58733.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -17     -18      51      71     -2 |      26     32
            |      17      16      36      99      6 |       3
emr   uuuuu |       0      71    -206     -86      1 |      41     48
            |      16      22      79      65     14 |       5
esa   uuuuu |       9      15     -66      50      0 |      37     43
            |       8      13      33      81      7 |       4
gfz   uuuuu |       6       6      68     -36     -5 |      31     36
            |      22      13     139      99      6 |       3
grg   uuuuu |      16     -18      35     -32      1 |      -2     19
            |      13      17      38      57      5 |       2
igr   xxxxx |      50      15      57      -1     -5 |       4     20
            |      15      10      52      31      2 |       3
irf   xxxxx |      -4     -13      28    -183     -1 |       2     20
            |      13      12      39      25      3 |       3
jpl   uuuuu |      -4      -8     -37     -33      5 |      48     51
            |      22      18      60      45      9 |       3
mit   uuuxu |     -35      10      74    -482      4 |      32     38
            |      15      22      67      81      3 |       4
ngs   uuuuu |       7     -38     113      59     -1 |      16     26
            |      12      26     149     141      3 |       3
sio   uuuux |      16      28    -115     -96     -2 |      88     91
            |      18      13      57      62      9 |       3


Table 7.2069.0   GPS week: 2069   Day: 0   MJD: 58727.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -22     -10       7      20     -2 |      23     26
emr   uuuuu |       8     100    -129       7     14 |      34     40
esa   uuuuu |       9       7     -27     -44      9 |      32     35
gfz   uuuuu |     -27     -11     131    -113      0 |      28     31
grg   uuuuu |      22     -19       1     -42     -3 |      -4     14
igr   xxxxx |      43       4      62      35     -4 |       2     15
irf   xxxxx |      -4     -10       9    -133      2 |      -2     14
jpl   uuuuu |       2     -24      47      -4    -10 |      45     47
mit   uuuxu |     -19      -3      21    -309      2 |      26     30
ngs   uuuuu |      11     -25     -10     131      1 |      12     19
sio   uuuux |      30      45    -176     -14    -10 |      84     86

Table 7.2069.1   GPS week: 2069   Day: 1   MJD: 58728.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -42     -35      96      29      0 |      25     29
emr   uuuuu |      10      99    -304     -99     16 |      38     45
esa   uuuuu |       4      18     -45     119      4 |      36     41
gfz   uuuuu |      31      -4     261       0      3 |      32     36
grg   uuuuu |      24     -18      71     -82     -3 |      -1     16
igr   xxxxx |      25      10     -23     -44     -4 |       5     18
irf   xxxxx |     -15     -33      90    -202     -1 |       2     17
jpl   uuuuu |       7     -14     -47     -79     11 |      47     49
mit   uuuxu |     -27     -13     159    -482      2 |      31     35
ngs   uuuuu |      -5     -30     -83     100     -4 |      16     24
sio   uuuux |      -8      36     -47    -156      5 |      87     89

Table 7.2069.2   GPS week: 2069   Day: 2   MJD: 58729.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |       7     -43      44     288      6 |      24     29
emr   uuuuu |      -8      69    -319     -96      9 |      38     45
esa   uuuuu |      13       5     -46     110      6 |      35     40
gfz   uuuuu |      21       8     147      81     -4 |      30     35
grg   uuuuu |      24     -32      90    -101     -6 |      -4     19
igr   xxxxx |      39      10     106     -35     -3 |       2     20
irf   xxxxx |       4     -15      79    -212      2 |       0     19
jpl   uuuuu |     -49     -27      19     -42     -3 |      46     48
mit   uuuxu |     -39      -8     174    -543      6 |      29     35
ngs   uuuuu |       8       8       8    -177      0 |      14     25
sio   uuuux |      34      42    -127    -145      7 |      86     88

Table 7.2069.3   GPS week: 2069   Day: 3   MJD: 58730.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -33       1      76      15     -4 |      29     35
emr   uuuuu |      19      68    -222      -2      7 |      44     51
esa   uuuuu |      10      29     -82      99     -1 |      40     46
gfz   uuuuu |      15       3      85      87     -9 |      34     39
grg   uuuuu |      11     -31       4     -10      1 |      -1     20
igr   xxxxx |      53       6      46      14     -6 |       6     22
irf   xxxxx |      -7     -14      16    -187     -2 |       5     22
jpl   uuuuu |       1     -13    -112     -27      4 |      50     52
mit   uuuxu |     -45      -2      80    -516      8 |      34     40
ngs   uuuuu |      15     -51     193     -95     -1 |      19     29
sio   uuuux |       5      13    -107    -105     -3 |      91     94

Table 7.2069.4   GPS week: 2069   Day: 4   MJD: 58731.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -16      -8      87      95    -12 |      31     36
emr   uuuuu |      -3      47    -188    -156    -16 |      49     54
esa   uuuuu |      -4      12    -129     -84     -4 |      43     48
gfz   uuuuu |      13      25    -142     -24     -2 |      36     40
grg   uuuuu |      -2      14       5      50      7 |       1     20
igr   xxxxx |      64      20     131      16     -8 |       8     21
irf   xxxxx |      15     -10      -4    -181     -8 |       8     21
jpl   uuuuu |      21      -3     -79      38      8 |      52     55
mit   uuuxu |     -37      24      45    -466      1 |      39     43
ngs   uuuuu |     -12     -55     340      93     -5 |      22     30
sio   uuuux |      17      22    -164    -159      1 |      94     96

Table 7.2069.5   GPS week: 2069   Day: 5   MJD: 58732.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |       1     -12      39      31      2 |      27     35
emr   uuuuu |       3      44    -139    -153     -4 |      45     53
esa   uuuuu |       5      34     -68      92    -10 |      39     46
gfz   uuuuu |     -25      22     -87    -152    -14 |      31     38
grg   uuuuu |       0     -32      61     -66      5 |      -2     21
igr   xxxxx |      65      30      67      24     -4 |       3     24
irf   xxxxx |       3       9       4    -183      1 |       3     23
jpl   uuuuu |      -1      24     -87     -20      5 |      49     53
mit   uuuxu |     -21      24       4    -522      6 |      35     41
ngs   uuuuu |       3     -73     212     147     -2 |      18     29
sio   uuuux |      36      17     -31     -21      2 |      89     92

Table 7.2069.6   GPS week: 2069   Day: 6   MJD: 58733.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -18     -21       8      22     -4 |      24     33
emr   uuuuu |     -32      70    -141    -102    -19 |      42     51
esa   uuuuu |      22      -2     -66      58     -5 |      34     42
gfz   uuuuu |      10      -2      81    -134    -10 |      26     34
grg   uuuuu |      30      -6      12      30      6 |      -6     21
igr   xxxxx |      59      26      14     -16     -4 |      -1     23
irf   xxxxx |     -25     -18       3    -185      0 |       0     23
jpl   uuuuu |     -10       4       2     -95     17 |      46     49
mit   uuuxu |     -61      48      39    -533      0 |      32     39
ngs   uuuuu |      25     -41     134     217      1 |      13     26
sio   uuuux |      -3      23    -153     -72    -19 |      87     90


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