[IGSREPORT-30081] Wk 2330 IGS Final Orbits

acc acc at igs.org
Fri Sep 20 02:14:41 UTC 2024


Author:  AC Coordinator / GA MIT 

sum-file Version 2.0
Final IGS Orbit Combination - Week 2330   (Sep 01, 2024 - Sep 07, 2024)

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:

IGS0OPSFIN_${yyyy}${doy}0000_01D_15M_ORB.SP3  IGS GPS ephemeris files in SP3
                                              format.
IGS0OPSFIN_${yyyy}${doy}0000_01D_05M_CLK.CLK  IGS GPS satellite and station
                                              clocks in clock RINEX format.
IGS0OPSFIN_${yyyy}${doy}0000_01D_01D_CLS.SUM  IGS GPS clock combination summary
                                              report.
IGS0OPSFIN_${yyyy}${doy}0000_07D_01D_ERP.ERP  Earth Rotation Parameters (ERP)
                                              and their rates as well as
                                              Universal Time (UT1-UTC) and
                                              Length Of Day (LOD) associated 
                                              with IGS ephemerides.
IGS0OPSFIN_20242450000_07D_01D_SUM.SUM        Complete report.

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

 1. The centres used in the clock combination are COD, ESA, GFZ, and GRG.
    The other centres are excluded because of either poorer consistency, or 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.
    

 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   | AREQ MATE SGOC SYOG MATE SYOG
                0  |  EMR   | BADG BADG
                0  |  ESA   | SYOG SYOG
                0  |  GFZ   | 13 IRKJ POHN IRKJ POHN
                0  |  GRG   | DGAR OHI3 SCUB TONG DGAR OHI3 SCUB SEYG TONG
                0  |  JPL   | BADG IISC BADG GMSD GUAM IISC MAJU SGOC
                0  |  MIT   | CRO1 MDVJ MOBS NANO NRC1 NYA1 NYAL SFER STJO VNDP
                0  |  MIT   | YAR3 YELL CRO1 MDVJ MOBS NANO NRC1 NYA1 NYAL SFER
                0  |  MIT   | STJO VNDP YAR3 YELL
                1  |  COD   | AREQ CAS1 CZTG
                1  |  EMR   | BADG BADG
                1  |  ESA   | AREQ AREQ
                1  |  GFZ   | 13 LAUT LAUT TASH
                1  |  GRG   | GAMB IRKJ SVTL TASH TONG COCO FAA1 GAMB IRKJ SVTL
                1  |  GRG   | TONG
                1  |  JPL   | BADG CHTI PIMO BADG CAS1 CHTI GUAM IISC KIRI PIMO
                1  |  JPL   | SEYG SGOC
                1  |  MIT   | ABPO BRST DAV1 NYA1 PICL SFER VNDP ABPO BRST DAV1
                1  |  MIT   | HERS NYA1 PICL SFER VNDP
                2  |  COD   | AREQ CZTG DRAO NNOR NTUS PIMO SCUB SGOC AREQ CZTG
                2  |  COD   | DRAO NNOR
                2  |  EMR   | BADG BADG
                2  |  GFZ   | 5 13 AREQ POHN AREQ POHN
                2  |  GRG   | 13 21 AREQ SCUB AREQ OHI3 SCUB TONG
                2  |  JPL   | BADG BADG CHTI IISC NTUS PIMO SEYG SGOC
                2  |  MIT   | ABPO DAEJ DRAO FLIN MAR6 NYAL SFER VNDP ABPO DAEJ
                2  |  MIT   | DRAO FLIN MAR6 NYAL SFER VNDP
                3  |  COD   | AREQ CUSV CZTG SGOC THTI THTI
                3  |  EMR   | BADG BADG
                3  |  ESA   | AREQ AREQ CZTG
                3  |  GFZ   | 13 IRKJ LAUT LAUT
                3  |  GRG   | AREQ STR1 SUTM TONG AREQ COCO DAEJ FAA1 STR1 SUTM
                3  |  GRG   | THTG TONG
                3  |  JGX   | NTUS
                3  |  JPL   | BADG AREQ BADG CHTI CUSV GLPS IISC OHI3 SGOC
                3  |  MIT   | ABPO BREW BRST FLIN HERS KITG KMNM MOBS NYAL SFER
                3  |  MIT   | TLSE VNDP YEL2 ABPO BREW BRST FLIN HERS KITG KMNM
                3  |  MIT   | MOBS NYAL SFER VNDP YEL2
                4  |  COD   | AREQ CUSV CZTG FALK NANO NAUR PTAG SEYG SUTM TONG
                4  |  COD   | AREQ CZTG NANO
                4  |  ESA   | SEYG KOUR MAYG
                4  |  GFZ   | MKEA POHN KOUR MKEA POHN
                4  |  GRG   | 13 13 CPVG NLIB OHI3 SGOC TONG XMIS COCO CPVG NLIB
                4  |  GRG   | OHI3 SGOC TONG XMIS
                4  |  JGX   | NTUS
                4  |  JPL   | BADG BADG CHTI CUSV MAJU PTAG SUTM
                4  |  MIT   | BRST GAMG JOZ2 KIR0 KITG PDEL SFER TRO1 VNDP YAR3
                4  |  MIT   | BRST GAMG JOZ2 KIR0 KITG PDEL SFER TRO1 VNDP YAR3
                5  |  COD   | CZTG IRKJ SGOC CZTG IRKJ
                5  |  EMR   | BADG BADG
                5  |  ESA   | SAVO SGOC THTG SAVO SGOC THTG
                5  |  GFZ   | 5 POHN POHN
                5  |  GRG   | 13 13 TONG TONG
                5  |  JPL   | BADG CHTI BADG CHTI SGOC
                5  |  MIT   | ABPO BRST CHTI CRO1 FLIN GAMG INVK MAR6 TLSE VNDP
                5  |  MIT   | YEL2 ABPO BRST CHTI CRO1 FLIN GAMG INVK MAR6 TLSE
                5  |  MIT   | VNDP YEL2
                6  |  COD   | 21 21 GUAT SCUB AREQ GUAT
                6  |  ESA   | SAVO TUVA AREQ SAVO SCUB TUVA
                6  |  GFZ   | 21 13 21 LAUT LAUT
                6  |  GRG   | 18 21 TONG OHI3 SCUB SYOG TONG TWTF
                6  |  JPL   | BADG BADG POHN
                6  |  MIT   | ALIC CKIS JOZ2 KITG LAUT MDVJ METG REYK ALIC CKIS
                6  |  MIT   | JOZ2 KITG LAUT MDVJ METG REYK

 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. 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 G23 |    |    |    |    |    |  4 |  4 |
           PRN G29 |    |    |    |  4 |  4 |  4 |  4 |
           PRN G31 |    |    |    |    |    |  4 |    |

 7. 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.
    
    Starting 17-May-2020 (GPS Week 2106, day 0, MJD 58986) all IGS products,
    are based on the updated reference frame (IGb14).
    For more information see IGSMAIL #7921.
    
    Starting 28-Nov-2022, all IGS products, are based on the IGS realization of
    the ITRF2020 reference frame (IGS20). Starting from the same date, the IGS
    products are based on the repro3 standards, including long filename formats.
    For more information see IGSMAIL #8238, #8256, #8274 and #8282.
    

 8. Small rotations were applied to all the AC orbit and ERP values in order to
    align them to the current IGS reference frame. These RX, RY and RZ rotations
    were estimated in the IGS SINEX combination process, performed by the IGS
    Reference Frame Coordinator at the Institut Geographique National (IGN).
    Starting on 19-Aug-2012 (GPS Week 1702; MJD=56158), ACs began contributing
    products based on 1d SINEX integrations. As a result, the SINEX combinations
    are now done daily instead of weekly, and the associated daily rotations are
    applied here to the orbits and ERPs. The estimated 7 transformations, from
    which only the 3 rotations are applied to the orbit and ERP values, are:
    
            |     |    DX     DY     DZ      RX     RY     RZ     SCL
     Centre | Day |   [mm]   [mm]   [mm]   [uas]  [uas]  [uas]   [ppb]
     -------+-----+---------------------------------------------------
       COD  |   0 |    1.2   -1.5    1.3       4    -19    -12    -.22
       ESA  |   0 |    -.1     .4    -.2       6    -20     -5    -.70
       GFZ  |   0 |     .1    -.3    -.6      -5    -28    -17     .23
       GRG  |   0 |     .7   -1.5   -1.7      -3     -6     26    -.24
       JGX  |   0 |   -1.6    1.7   -5.5      14     12     -1    -.39
       JPL  |   0 |   -3.4    1.8   -6.1      16    -17     -3    -.07
       MIT  |   0 |    -.6    2.3   24.4      23    -20    -18    -.29
       NGS  |   0 |   -3.6     .4   10.1     -19     24      2    -.23
       SIO  |   0 |     .8    3.4    5.5     101    -68    -23    -.15

       COD  |   1 |    1.1   -1.2    1.5      13     -7    -16    -.16
       ESA  |   1 |    -.2     .1    1.0      -1    -19    -10    -.60
       GFZ  |   1 |     .0    -.8    -.2     -16    -26    -11     .05
       GRG  |   1 |     .7   -1.7   -1.3       9      4     27    -.17
       JGX  |   1 |   -4.0     .6   -5.1      18     17    -12    -.33
       JPL  |   1 |     .1     .3   -1.3      19    -12     -1    -.02
       MIT  |   1 |    -.5   -3.3   32.1     -16      2    -19    -.17
       NGS  |   1 |   -5.9   -1.7    3.6     -18     47    -10    -.34
       SIO  |   1 |    -.1    2.4    4.9      -9     10    -14    -.16

       COD  |   2 |    1.2   -1.2    1.1       6      6    -15    -.20
       ESA  |   2 |    -.5    -.8    -.2      -2    -14      8    -.63
       GFZ  |   2 |    -.4   -1.0    -.4      -8     -7    -17     .18
       GRG  |   2 |     .8   -2.0   -1.0       5      3     34    -.30
       JGX  |   2 |    3.6    2.3   -7.6      33     -3     30    -.20
       JPL  |   2 |    4.0    -.1   -4.8      19     -8     12    -.14
       MIT  |   2 |     .8   -1.8   24.3     -36     -9      9    -.12
       NGS  |   2 |     .6   -4.8    2.6     -20     31     26    -.41
       SIO  |   2 |    3.9    4.0   -3.0      59    -77      8    -.12

       COD  |   3 |    1.3    -.6    1.0      22     -1    -12    -.10
       ESA  |   3 |    -.3     .3    -.3       9    -17     -4    -.52
       GFZ  |   3 |    -.0    -.4   -1.1       1    -20    -14     .09
       GRG  |   3 |     .6   -1.7   -2.2      18    -10     43    -.12
       JGX  |   3 |    4.9     .4   -4.3      17      8     19    -.26
       JPL  |   3 |    5.0   -4.7   -7.6      42    -12      5    -.01
       MIT  |   3 |    3.6   -2.7   29.2     -42     -2     -2    -.28
       NGS  |   3 |    1.3    1.7    1.6     -20     17     16    -.44
       SIO  |   3 |    3.9    2.5     .2      50    -42      8     .09

       COD  |   4 |    1.3   -1.3     .8      -1    -10    -11    -.17
       ESA  |   4 |     .3    -.3     .4     -10    -20    -14    -.58
       GFZ  |   4 |     .3    -.9    -.2     -14    -26     -9     .17
       GRG  |   4 |     .5   -1.6   -1.1       3      0     23    -.18
       JGX  |   4 |    3.7   -1.1   -7.8      37      8     17    -.20
       JPL  |   4 |    1.8   -4.0   -7.9      42    -24     -8     .06
       MIT  |   4 |    -.2   -5.1   31.7     -16      1    -58    -.23
       NGS  |   4 |     .4    -.5    8.6     -22     31     14    -.40
       SIO  |   4 |   -2.0    -.3    2.0      26    -16     83     .04

       COD  |   5 |    1.1   -1.2    1.3      11      2    -20    -.10
       ESA  |   5 |     .6     .6    -.0      18    -17      0    -.64
       GFZ  |   5 |     .3    -.3    -.5       3    -30    -15    -.06
       GRG  |   5 |     .4   -1.5    -.7     -14      5     21    -.28
       JGX  |   5 |     .7     .1   -7.2      45      2     13    -.11
       JPL  |   5 |    -.2    -.5   -6.6      39     -8     -8     .07
       MIT  |   5 |   -3.5   -1.9   30.2     -24     -4    -41    -.08
       NGS  |   5 |   -5.5    -.9     .5      -1     56    -16    -.39
       SIO  |   5 |   -2.6    3.4    4.4      41     29     98    -.13

       COD  |   6 |    1.7   -1.2     .9      12     -2    -16    -.09
       ESA  |   6 |     .3    -.2     .5      13    -19     -6    -.51
       GFZ  |   6 |     .5    -.5    -.1      -5    -15    -12     .28
       GRG  |   6 |     .5    -.8    -.9      -3     12     23    -.21
       JGX  |   6 |    4.8    2.8   -7.1      39      0     15     .05
       JPL  |   6 |    2.2   -1.7   -4.8      19     -7    -12     .20
       MIT  |   6 |     .5     .3   29.6      -5    -11    -35     .04
       NGS  |   6 |   -4.5   -1.5   10.9     -39     70    -24    -.14
       SIO  |   6 |     .9    5.6    4.6     101     37     92     .02


 9. 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.

10. 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:
        https://files.igs.org/pub/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:
        https://files.igs.org/pub/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
        https://files.igs.org/pub/station/general/igs14.atx
    
    Starting 28-Nov-2022, the absolute antenna model file has been updated to
    igs20.atx to be consistent with IGS20.
    See IGSMAIL #8238 and #8256 for more information
        https://files.igs.org/pub/station/general/igs20.atx
    
    The JPL final solution has not yet adopted IGS20/igs20.atx after GPS Week 2238, 
    which causes their orbit and clock residuals to be higher than for the other
    centres; from GPS Week 2238 and until they switch to IGS20/igs20.atx, the JPL
    solution is excluded from the weekly SINEX combination, as well as from orbit
    and clock combinations.
    


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 1.2330.a). It also displays the computed satellite
position sigmas for the combined orbits (Table 1.2330.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 2.2330.[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 3.2330.[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 5.2330.0-6). 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 2330 summary.                       (Sep 01, 2024 - Sep 07, 2024)

Table 1.2330.a   GPS week: 2330   MJD: 60554.000-60560.000

         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  769|    0     0     3     2    -6    -6  -.07    8    7 |    -748      39      6     87
        |    0     0     1    15    13    20   .01           |      65     106
emr  110|    0     0     0    -1    10   -13   .02    8    8 |   -2709    1509     28    106
        |    1     0     0    16    13    23   .01           |     846    1102
esa  150|    0     0     1    -7    -6   -29  -.02    9   10 |   -1010     -82      7     80
        |    0     0     1     8     8    15   .03           |     235     356
gfz  127|    0     0     0    40     8   -56   .04    9    9 |    -135      11     10    124
        |    0     0     1     8    11    10   .02           |      86     167
grg  116|    0     0     1     0     0   -13   .06   11   10 |     -18       4      8    128
        |    0     0     2    10    16    15   .02           |      94     133
igr  n/a|    0     0     0     0     0   -12   .02    3    3 |   -5086     674     10     77
        |    0     0     0    12     5    15   .01           |    1140     884
jgx  n/a|    0     0    -2    -1    -1    -8  -.05   10   10 |     -20      19     33     96
        |    0     0     0    11     5    36   .01           |      75     105
jpl  120|    0     0     0    19    -7     0   .00    9    9 |   -3440     238     10     68
        |    1     0     0     7    10    16   .02           |     445     864
mit  367|    0     0    -1   -35     2    70   .01    7    7 |   -5091     682     49     70
        |    0     0     1    38    16    62   .01           |    1363     467
ngs  279|    0     0    -1     8    -3     5  -.09   11    9 |   12718      40    521    823
        |    0     0     3    16    14    21   .02           |    5914     114
sio  327|    0     0     0   -10     2    20   .01    8    8 |     ---     ---    ---    ---
        |    0     0     0    13    17    48   .01           |     ---     ---


Table 1.2330.b   GPS week : 2330   MJD: 60554.000-60560.000   

         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  |    8    7    5    6    6    6    7 |
   2  |    4    4    3    3    4    4    5 |
   3  |    3    3    3    2    3    3    3 |
   4  |    3    3    3    3    3    3    3 |
   5  |    3    3    3    2    3    2    3 |
   6  |    3    3    3    3    3    3    3 |
   7  |    3    4    3    4    4    3    3 |
   8  |    3    3    3    2    3    2    3 |
   9  |    3    3    3    3    2    3    3 |
  10  |    3    3    3    3    3    3    3 |
  11  |    4    4    4    4    4    4    4 |
  12  |    3    3    3    3    3    3    2 |
  13  |    4    3    3    3    3    3    3 |
  14  |    3    3    3    3    3    3    3 |
  15  |    3    3    3    3    3    3    3 |
  16  |    3    3    3    3    3    3    3 |
  17  |    3    3    3    3    3    3    3 |
  18  |    5    4    4    4    4    4    4 |
  19  |    3    3    3    3    3    3    3 |
  20  |    3    3    3    3    2    3    3 |
  21  |    4    4    4    4    4    5    4 |
  22  |    3    3    3    2    3    3    3 |
  23  |    3    3    3    3    3    3    3 |
  24  |    3    3    3    3    3    3    3 |
  25  |    3    3    3    3    3    3    3 |
  26  |    3    3    3    3    3    3    3 |
  27  |    3    3    3    3    3    3    3 |
  28  |    4    4    4    4    4    4    4 |
  29  |    5    3    3    3    3    3    3 |
  30  |    3    4    3    3    3    3    3 |
  31  |    3    3    3    3    3    3    3 |
  32  |    3    3    3    3    3    3    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 2.2330.0   GPS week: 2330   Day: 0   MJD: 60554.000                            

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  767|   -1     0     4     2    13    24  -.06    8    7 |    -788       6      6     95
emr  110|    0     0    -1    23   -14    17   .01    8    8 |   -1989     981     26    111
esa  150|    0     0     1     5    -7   -11  -.03    9    9 |    -978      58      8     75
gfz  125|    0     1    -1    48    13   -41   .04   10   11 |      10    -143     12    122
grg  115|    0     0     3     9    -5    -4   .09   10    9 |     108    -153      9    119
igr  n/a|    0     0     0    25    -2     8   .02    4    4 |   -5641    -501     11     79
jgx  n/a|    0     0    -4   -14    -3    31  -.05   12   12 |      -2     -18     34     84
jpl  120|    0     0     0    29   -16    13  -.01    9    9 |   -2747    -774     10     61
mit  367|    0     0    -3   -71    11    -5   .00    8    7 |   -6006     229     46     65
ngs  278|    0     0     3     8    -4   -13  -.06   16   11 |   14885      67    470    771
sio  323|    0     0    -1   -16     2   -24   .00    9    8 |     ---     ---    ---    ---

Table 2.2330.1   GPS week: 2330   Day: 1   MJD: 60555.000                            

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  765|   -1     0     4    22   -11   -18  -.07    8    8 |    -813     167      6     87
emr  108|    2    -1     0    -7    26   -20   .03    8    8 |   -2798    1952     29     92
esa  150|    0     0     3   -19     4   -23   .02    9    9 |    -694    -511      7     80
gfz  129|    0     0     0    23    14   -45   .02    9    9 |    -110     196     11    128
grg  120|    0     1     4    -5    -9   -24   .06   10    9 |     -66      87      9    132
igr  n/a|    0     0     0     2     4   -11   .03    3    3 |   -6186     390     11     76
jgx  n/a|   -1     0    -2   -18     2    16  -.06   10   10 |     -57      84     32     92
jpl  120|    0     0     0    14     8    11   .03   10   10 |   -3593     379     11     77
mit  367|    0     0    -2    11   -16    83   .01    7    7 |   -6436     892     52     71
ngs  278|    0     0    -7    -5   -25    -7  -.08   10    9 |   14913     101    452    697
sio  328|    0     0    -1   -21    -1   -13  -.01    8    7 |     ---     ---    ---    ---

Table 2.2330.2   GPS week: 2330   Day: 2   MJD: 60556.000                            

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  772|   -1     0     4     6     0    12  -.06    7    7 |    -742      -5      6     83
emr  110|    0     0     0     8     5    13   .01    8    8 |   -2474    1384     26    102
esa  150|    0    -1     0   -13   -14    -8   .00   10   10 |    -860    -347      8     81
gfz  130|    0     0     0    42    17   -49   .01   11   11 |     -79    -145     10    128
grg  117|    0     0     3     3    -8    -9   .06   10   10 |      30     -12      8    118
igr  n/a|    0     0     0    -9     3     1   .02    4    4 |   -5751     149     10     72
jgx  n/a|    0     0    -2     2    -1    30  -.05   10   10 |       9      49     36    102
jpl  120|    0     1     0    12     4    22   .01    9    9 |   -3311    -460      9     67
mit  367|    0     0     0   -72    15   -18   .01    8    8 |   -5853     354     45     65
ngs  284|    0     0    -2    39    16    48  -.08   10    9 |   14926     102    446    701
sio  329|    0     1    -2   -14   -29   -24   .01    9    8 |     ---     ---    ---    ---

Table 2.2330.3   GPS week: 2330   Day: 3   MJD: 60557.000                            

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  778|    0     0     3    13     0     3  -.06    8    7 |    -829     209      7     86
emr  109|    1    -1     0     1     8    -2   .01    7    7 |   -2020    -167     32    107
esa  150|    0     0     1    -4   -15   -31  -.05    9    9 |   -1145      60      8     77
gfz  129|   -1     0     1    43     3   -61   .04    8    8 |    -223    -111     10    122
grg  121|    1     0    -1    10   -11     8   .04   11    9 |      26      29      9    120
igr  n/a|    0     0     0    -4    -5   -12   .01    3    3 |   -5544     368      9     76
jgx  n/a|    0     0    -3    -2     8    -4  -.06    9    9 |      19      41     32     94
jpl  120|    0     0     0    16   -12     6   .00    9    9 |   -3817      -3     12     68
mit  367|    0     0     0   -68    11    63   .02    8    7 |   -5572     423     51     76
ngs  282|   -1     0    -3     8     5    16  -.08    9    8 |   14929     198    601   1252
sio  341|    0     0     0    -2    10    -3  -.00    8    8 |     ---     ---    ---    ---

Table 2.2330.4   GPS week: 2330   Day: 4   MJD: 60558.000                            

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  777|    0     0     2    -4   -28    -8  -.08    8    6 |    -723       1      6     80
emr  108|    0     0     0     7     7   -32   .02    7    7 |   -2857    1957     30    100
esa  150|    0     0     0    -9   -12   -49  -.03   10   11 |    -836    -380      9     85
gfz  128|   -1     0     3    38    -1   -58   .08    8    9 |    -190      26     10    124
grg  116|    0     1     0     3    13    -5   .07   12    9 |      40    -188     10    123
igr  n/a|    0     0     0     0    -6   -23   .04    3    3 |   -5222     648     11     99
jgx  n/a|    0     0    -2     5    -2   -34  -.03    9    9 |     100    -203     31     99
jpl  120|    0     0     0    21   -20   -14  -.02    9    9 |   -3718    -161     11     64
mit  367|    0     0    -1   -32    17   103  -.00    7    7 |   -5054     311     48     67
ngs  286|    1     0    -1    14     6    -4  -.13   11   10 |   14993     -15    647    941
sio  340|    0     0     0   -27    27    61   .01    8    8 |     ---     ---    ---    ---

Table 2.2330.5   GPS week: 2330   Day: 5   MJD: 60559.000                            

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  763|   -1     0     2     6     0   -21  -.09    7    7 |    -651     -86      6     92
emr  113|   -1     0    -2   -23    19   -43   .01    8    8 |   -2356    1056     24    106
esa  150|    0     0     2     0    -6   -44  -.05    9   10 |   -1370     526      8     90
gfz  128|    0     0     2    48    -9   -69   .03   10   10 |    -231     277     10    121
grg  115|    1     0     0   -14    -3   -19   .05    9    9 |    -127      91      7    157
igr  n/a|    0     0     0    -7    -6   -37   .02    3    3 |   -4462    1543     10     73
jgx  n/a|    0     0    -2    10    -7   -45  -.04   10   10 |    -131     104     33    106
jpl  120|    1     0     0    26    -9   -18   .01    8    8 |   -3924     958     10     74
mit  367|    0     0     0   -36     2   148   .02    7    7 |   -4278    1174     55     80
ngs  277|   -1     0    -3    -9   -14    -2  -.07   11    8 |   15080    -158    544    731
sio  325|    0     0     0    12    12    56   .03    9    9 |     ---     ---    ---    ---

Table 2.2330.6   GPS week: 2330   Day: 6   MJD: 60560.000                            

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  761|    0     0     0   -26   -14   -33  -.06    8    7 |    -692     -13      6     92
emr  115|   -1     0     0   -18    20   -26   .02    8    8 |   -4470    3404     30    124
esa  150|    0     0     1   -12     6   -35  -.03    9    9 |   -1187      16      7     78
gfz  122|    1     0     1    40    23   -67   .04    9    9 |    -122     -21     10    127
grg  109|    1     0    -1   -12    33   -37   .05   13   11 |    -142     179      8    129
igr  n/a|    0     0     0    -6     7   -14  -.00    4    4 |   -2801    2126     10     66
jgx  n/a|    0     0    -2     6    -9   -55  -.02   10   10 |     -80      76     34     98
jpl  120|   -1     1     0    11    -2   -16   .01    9    9 |   -2973    1728      9     65
mit  367|    0     0     0    18   -23   120   .01    8    7 |   -2438    1396     46     67
ngs  269|    0    -1     2     0    -7     3  -.10   10    8 |    -694     -15    492    673
sio  307|    0     0     0    -3    -3    92   .01    9    8 |     ---     ---    ---    ---

       
       
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 3.2330.0   GPS week: 2330   Day: 0   MJD: 60554.000                            

        Weighted Average                                                 Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio   IGS
------+-------------------------------------------------------------+--------------------------------------------------------------
  X1  |   17  ---  ---  ---    8   35  ---  ---   11   28   10    7 |    63  ---  ---  ---   60   64  ---  ---   59   54   44    59
   2E |   13    7    9   15   13    4   10    8   10   11   10    3 |    42   42   41   42   44   42   45   40   47   46   46    42
   3  |    7    9    9    8    9    3   10    6    7    5    8    2 |    21   23   23   18   22   20   23   24   22   20   22    20
   4  |   10    8   13    7   12    2   12   10    7   14    7    3 |    59   63   62   63   58   60   61   62   58   56   60    60
   5  |    5    8    6    8    7    3   10    7    7   17   10    2 |    24   22   21   26   24   23   24   21   24   24   28    22
   6E |   12    9    8   10   11    5   11    9    8   11    7    3 |    36   35   36   34   37   35   35   35   33   33   36    34
   7  |    7    8    8   12   15    4   12    8    9   10   10    3 |   103  104  102  105  102  103  101  104  103  104  103   103
   8  |    7    7    8    7    8    3    8    7    6    7    7    2 |    20   23   23   22   22   21   19   23   20   21   22    20
   9  |    7    7    7    7   11    3    8    6    5    7    5    2 |    33   31   32   32   29   31   31   31   25   29   27    29
  10  |    5    5    8    9    5    3   11    9    5   14    8    2 |    25   27   28   25   27   26   25   28   25   25   27    25
  11E |   10    9   15   10   10    4   12   15    9   14    8    3 |    49   49   55   50   52   50   51   53   45   47   49    49
  12  |    6    6    6    6    9    3   18    8    5   14    9    2 |    61   61   64   62   60   63   68   65   60   57   60    61
  13  |   10    8    6   10   11    4   12    8   11   22    8    3 |    28   29   27   27   30   26   25   28   26   31   28    26
  14  |    6   12    7    9    6    3   11    9   10   11    8    3 |    67   69   68   68   68   68   68   68   69   67   70    67
  15  |    7    9    7    9    8    3   11    8    9   18   11    3 |    39   33   34   36   38   35   34   33   36   34   35    35
  16  |    6    7    6    9    7    3   21    6    8   12   10    3 |    17   15   17   19   17   17   23   15   18   22   20    16
  17  |    6    8    7    9   11    3   13    7    7    8    8    2 |    34   33   31   34   30   31   31   33   34   31   34    31
  18E |    9    8   17   14   11    4   10   17   11   27   10    4 |    38   40   46   40   41   40   38   46   33   46   37    38
  19  |    6    8    8    8   12    4   16    7    6   13    8    3 |    26   23   23   23   26   24   23   25   26   27   27    23
  20  |    6    9    7    9    8    3   11    9    7   15    8    2 |    33   30   31   33   32   31   33   30   31   30   33    30
  21E |   15    6    9   19   23    5   13    8    6   13   11    4 |    46   46   45   44   44   44   45   45   46   49   47    44
  22  |    7    7    7    9    9    3    9    5    8   11    7    2 |    19   23   23   19   19   20   19   22   25   24   27    21
  23  |    6    6    8   10    8    3   11    8    6   25   10    3 |    12   14   14   17   20   14   19   15   18   20   18    14
  24E |    8   10    8   11   10    3   12    8    8    9    7    3 |    26   25   26   23   28   25   24   25   23   27   27    24
  25  |    8    9    9    6    7    4   11   13    7   15   10    3 |    25   31   28   27   26   26   27   34   23   30   25    26
  26  |    9    8    8    8    5    4    9    9    9   12    9    3 |    32   33   34   31   31   32   35   36   28   34   29    31
  27  |    7    8    7   10    6    5   10    7    6    7   10    2 |    20   22   22   21   21   21   18   22   20   22   22    20
  28  |    7    8   16   18   12    4   11   16    7   13   10    4 |    68   70   72   69   70   69   72   71   68   71   72    69
  29  |   10    7    6    9   10    4   15    7    8   47    7    4 |    49   49   49   52   49   49   49   49   47   59   49    48
  30  |    7   12    9    9   15    3   10    9    7    9    8    3 |    68   71   69   66   72   67   67   67   65   65   67    67
  31  |    7    8    7    8    9    4   13    9    7    9    8    2 |    61   56   56   57   61   57   57   56   58   57   60    57
  32  |    8    7    8    8    6    3   13    8    5   14   10    3 |    30   31   32   27   29   29   30   32   27   31   28    29
------+-------------------------------------------------------------+--------------------------------------------------------------
 RMS  |    8    8    9   10   10    4   12    9    8   16    9      |T   39   39   39   39   40   39   39   39   38   40   39    38
 WRMS |    7    8    9   11    9    4   12    9    7   11    8      |NE  44   42   42   41   43   45   43   42   43   44   41    43
 MEDI |    7    8    8    9    9    3   11    8    7   13    8      |MD  33   33   32   33   31   31   33   33   31   31   33    31

Table 3.2330.1   GPS week: 2330   Day: 1   MJD: 60555.000                            

        Weighted Average                                                 Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio   IGS
------+-------------------------------------------------------------+--------------------------------------------------------------
  X1  |   19  ---  ---  ---    9   23  ---  ---    7   16   10    6 |    49  ---  ---  ---   40   52  ---  ---   40   40   36    42
   2E |   13    8   10    8   15    3    9   10    8   13    9    3 |    23   20   23   25   25   23   24   24   23   25   24    22
   3M |    6    7   11    6    9    4    6    7    3    9    6    2 |    29   32   31   28   30   30   29   31   25   30   28    29
   4  |    8    7   14    9   13    4    9   12    4   11    7    3 |    52   54   53   53   52   53   54   55   51   53   54    53
   5  |    6    7    7    6    7    3    9    8    7    9   10    2 |    31   30   30   32   31   31   30   29   27   32   32    30
   6E |   10   10    8   12   10    4   12    9    6   10   10    3 |    21   21   22   17   22   20   22   21   19   22   21    19
   7  |    5    9   10   16   19    4    9   15   14    9    5    4 |   105  107  104  106  105  105  103  105  103  104  104   104
   8  |    7    7    9   10    9    5    7    6    7   11   10    2 |    30   33   32   31   32   29   27   30   26   32   29    29
   9M |    9    8    7   10    9    4    6    8    5   10    6    2 |    39   38   37   38   38   36   35   37   32   35   33    36
  10  |    6    8    8    9    5    2    8    9    4    8    9    2 |    34   35   35   33   35   35   31   37   30   34   32    33
  11E |   10    9   14    8   10    3   13   16    9   14    6    3 |    25   26   31   30   29   28   26   33   26   31   28    27
  12M |    7    5    7    7    6    3   15    8    4    7    9    2 |    47   51   49   49   48   49   51   52   45   49   48    49
  13  |   11    8    7    7    8    4   10    9   10    6    7    2 |    31   31   28   30   29   29   28   30   28   31   29    29
  14  |    6   10    5   10    7    2    7    9    9    9    5    2 |    67   69   67   65   66   66   65   65   64   64   65    66
  15  |    9    8    6    7    8    3   10    9    9   10    9    3 |    49   45   43   46   45   45   43   44   44   46   46    45
  16  |    7    8    7    9   10    3   20    8    7    9   10    3 |    27   26   25   29   25   25   26   25   21   24   23    24
  17M |    9    8    7    8    8    3   11    9   10   10    5    2 |    27   29   25   29   25   27   25   27   23   28   27    26
  18E |    8    7   18    7    9    3    7   16    9   14    6    3 |    23   25   28   26   27   24   24   29   22   25   24    24
  19M |   10    7    7    8    9    3   16    6    7   11    7    3 |    26   24   23   25   26   24   24   24   24   24   24    24
  20  |   13    7    5    8    9    3    9    9    7   13    6    3 |    44   42   42   42   43   41   41   40   41   40   42    41
  21E |   12    6    9   10   22    5   13    7    5   11    6    3 |    31   30   31   30   28   31   30   30   29   33   30    29
  22M |    6    7    5   12    7    4    7    5    8    8    6    2 |    32   35   31   29   30   31   29   31   29   29   30    30
  23  |    7    7    8    6    7    3    9    7    6   12    7    2 |    30   30   27   28   31   29   31   28   26   34   28    28
  24E |    8    9    8   11   10    3   13    8    7   10    5    3 |    39   35   35   35   40   35   33   35   32   36   33    34
  25M |    8    9    9    8    6    4    6   13    7    8    9    2 |    29   36   33   31   31   31   29   37   27   32   31    31
  26  |    6    8    7    7    7    3    9    9    7    6    8    2 |    28   31   28   28   26   28   28   32   24   26   26    27
  27  |    8    7    7    9   10    4    6    8    6   10   10    2 |    33   33   33   33   34   32   29   32   29   33   30    31
  28  |    7    9   16    9   10    3   10   15    6   10    7    3 |    35   38   41   39   38   37   36   41   39   35   40    38
  29M |    7    7    7    7    8    3   12    7    6   14    8    2 |    45   48   47   50   45   47   44   47   42   52   46    46
  30  |    7   12   10   11   18    3    7    9   12    9    6    3 |    51   50   51   45   54   48   47   48   50   45   47    48
  31  |    6    7    6    8    9    3   10    7    6    8    7    2 |    53   53   52   55   57   53   53   53   52   54   54    53
  32  |    6    8    9    9    6    2    9    8    5   10    7    2 |    40   39   40   37   39   39   36   40   36   39   38    38
------+-------------------------------------------------------------+--------------------------------------------------------------
 RMS  |    8    8    9    9   10    3   10   10    7   10    8      |T   38   38   37   37   38   37   36   38   35   38   36    37
 WRMS |    8    8    9    9    9    3   10   10    7    9    7      |NE  43   43   42   42   41   43   41   43   39   41   40    41
 MEDI |    7    8    8    8    9    3    9    9    7   10    7      |MD  32   35   33   32   32   31   30   33   29   33   31    31

Table 3.2330.2   GPS week: 2330   Day: 2   MJD: 60556.000                            

        Weighted Average                                                 Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio   IGS
------+-------------------------------------------------------------+--------------------------------------------------------------
  X1  |   13  ---  ---  ---    6   13  ---  ---    7   10   10    5 |    46  ---  ---  ---   38   40  ---  ---   37   41   31    40
   2E |    9    5    9   10   13    3   10    6    8    9    9    3 |    32   31   34   33   33   33   36   33   31   34   34    32
   3  |    9    8   11    9    8    3    6    6    5    8    8    2 |    21   23   23   18   21   21   20   23   18   21   23    20
   4  |    8    7   14   10   14    4    7   11    4   10    5    3 |    38   42   44   42   42   40   40   42   43   39   43    41
   5M |    6    7    8    6    6    5    8    8    8    8   12    2 |    26   25   22   26   26   25   25   23   23   27   28    24
   6E |    7    9   10   12    9    3   10    8    8    7    6    3 |    34   35   34   31   33   33   33   34   28   34   32    32
   7  |    7    8    9   15   11    5   10   13    8    8    8    3 |   104  108  106  106  109  106  106  108  111  109  106   107
   8M |    7    7    7   11    9    4    6    5    7   10    7    2 |    19   24   23   25   21   20   20   22   16   20   19    19
   9  |    8    7    7    9   10    5    5    6    4    7    8    2 |    31   28   29   28   28   27   26   28   22   27   23    26
  10M |    6    8   10   10   10    4    8    7    8    9    8    2 |    31   33   34   29   31   32   30   33   29   34   30    31
  11E |   10   10   15   15   11    4   13   13    9   12    9    4 |    38   39   45   46   42   41   41   43   33   42   39    39
  12  |    6    9    8    6    5    4   17    6    5   11    9    3 |    41   42   46   43   42   43   50   46   43   40   45    43
  13M |    7    7    8   11   12    4   12    9   11   10   11    3 |    27   26   22   25   26   24   25   26   24   26   24    24
  14  |    5    8    7   10    8    3    6    8   10    8    7    2 |    45   46   47   49   48   47   47   46   53   47   50    47
  15M |    8    7    6   10   10    4   11    9   11    9   12    3 |    35   32   31   35   36   33   31   30   35   31   36    32
  16  |    5    7    5    9    9    3   21    5    5   11    7    3 |    20   20   23   24   20   21   23   21   16   24   20    20
  17M |    7    7    7    7    8    3    8    7    7    6    9    2 |    25   28   24   27   24   26   25   27   23   26   30    25
  18E |    8    8   17   20   10    3    6   17    8   12    7    4 |    36   36   40   37   36   36   35   40   28   34   34    34
  19  |    5    6    6    7    8    4   14    5    9   10    8    2 |    22   22   21   21   21   23   21   22   23   22   28    21
  20M |    7    9    7    7    8    5    9    9    7    6    8    2 |    30   32   31   31   29   27   31   30   31   29   32    30
  21E |   10    6   11    7   22    3   12    7    7   11    7    3 |    33   34   32   31   33   33   33   34   31   34   31    31
  22  |    5    5    7   11    8    4    7    6   10    7    8    2 |    16   21   18   16   15   17   15   20   19   17   20    17
  23M |    9    9   10   10    8    4   10    8   11   11   11    3 |    23   21   20   22   26   20   21   22   26   23   26    22
  24E |    6   10   10   10   13    4   14    9    7    9    8    3 |    25   25   25   24   25   23   24   26   22   27   21    23
  25M |    7    9   11    8    4    4    8   11    8   16   10    3 |    21   28   26   23   23   22   21   30   20   22   20    23
  26  |    5    8    8    9    5    3    8    7    8    7    8    2 |    23   25   26   23   21   24   25   27   18   26   21    23
  27M |    7    7    7   15   10    3    6    7    6    8    7    2 |    19   22   22   25   22   20   18   21   17   20   19    19
  28E |    8    9   16   12   13    4   13   15    6   10   10    3 |    38   37   44   38   41   39   39   42   36   39   38    38
  29  |    6    7    5    8    9    4   13    6    8    9    9    2 |    95   95   95   96   93   94   93   96   95   95   96    94
  30  |    7   11   10   13   10    4    7    8    8    9    9    3 |    97   98   97   97  102   97   98   97  100   97   93    97
  31M |    7    8    7   11   13    4    8    6    6    9    8    2 |    46   45   42   50   45   45   44   44   45   41   45    44
  32  |    5    7    9   12    6    2    7    6    5   14    7    2 |    25   24   27   25   24   24   21   25   21   27   24    23
------+-------------------------------------------------------------+--------------------------------------------------------------
 RMS  |    7    8   10   11   10    4   10    9    8   10    9      |T   36   37   37   36   36   36   36   37   34   36   36    35
 WRMS |    7    8   10   11   10    4   10    9    8    9    8      |NE  32   31   33   32   32   32   31   32   31   34   31    32
 MEDI |    7    8    8   10    9    4    8    7    8    9    8      |MD  31   31   31   29   29   27   30   30   28   29   30    30

Table 3.2330.3   GPS week: 2330   Day: 3   MJD: 60557.000                            

        Weighted Average                                                 Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio   IGS
------+-------------------------------------------------------------+--------------------------------------------------------------
  X1  |   14  ---  ---  ---    8   15  ---  ---    8   10   11    5 |    59  ---  ---  ---   56   53  ---  ---   51   46   40    53
   2E |   11    8    9    9   10    3    9    8   10   10   14    3 |    42   40   41   41   45   42   41   41   39   41   42    40
   3  |    6    8    9    6    7    2    7    7    4    7    6    2 |    33   36   35   34   33   34   34   36   32   35   33    34
   4  |    7    7   13    7   11    4    8   10    4   10    6    2 |    35   39   42   39   44   39   37   41   39   40   39    39
   5  |    5    6    7    5    7    3    8    7    7    6    9    2 |    32   32   32   34   34   33   34   32   32   32   34    32
   6E |    9    7    9    8   11    3   10   10   10   10    7    3 |    36   35   36   33   35   34   35   35   32   33   33    33
   7E |   15   10    9    8    9    4    8   13   10   11    8    3 |   128  134  131  131  128  130  129  132  127  132  128   130
   8  |    7    5    8    8    8    4    7    6    7    7    8    2 |    32   35   33   35   34   33   30   32   31   35   31    32
   9  |    6    7    7    7   13    3    4    7    4   10    6    2 |    35   38   37   35   36   35   33   35   33   37   36    35
  10  |    7    8    8   11    7    3    6    7    5    8    8    2 |    36   39   38   38   39   37   36   38   35   36   38    37
  11E |    8   10   15    9   11    3   10   14    9   11    7    3 |    38   37   42   35   40   37   36   40   34   33   37    36
  12  |    5    5    8    5    6    4   14    6    6    5    9    2 |    48   50   51   50   49   51   54   51   48   50   49    50
  13  |    8    8    6    9   12    2   11    9    9    8    9    3 |    32   34   30   30   31   30   30   31   31   28   32    30
  14  |    6    9    5    7    7    2    6    8    9    6    8    2 |    41   40   42   42   42   42   42   41   44   42   46    42
  15  |    6    9    5    6    7    3   10    9    8    6    9    2 |    40   38   37   38   38   39   39   38   39   35   40    38
  16  |    5    5    5    9    9    1   17    6    9    6    9    2 |    30   30   29   32   32   30   33   30   28   33   30    30
  17  |    5    7    7    5   10    2    8    7    7    9    6    2 |    35   35   33   34   33   34   33   35   34   35   34    34
  18E |    8    8   17    9   24    4    8   18    8   11    6    4 |    39   40   43   39   39   39   38   44   38   38   40    39
  19  |    8    6    7    5    9    3   12    6    8   14   11    3 |    32   33   32   31   31   32   30   32   35   34   35    32
  20  |    7    7    7    6    9    2   10    8    7    9    7    2 |    34   35   34   34   35   33   34   34   34   31   35    34
  21E |   15    6    9   11   21    3   10    6    7   16    9    3 |    55   57   55   57   62   56   56   56   54   56   55    55
  22  |    5    6    6    7    6    2    6    4    9    6   10    2 |    32   36   34   32   32   32   32   35   34   35   37    34
  23  |    5    7    8   10    9    2    9    8    7    8    8    2 |    85   86   85   87   86   85   86   85   85   85   87    85
  24E |    6    9    9   12   10    3   15    9    6   10    7    3 |    35   36   35   36   36   34   33   35   32   35   36    34
  25  |    5    8   10    6    5    3    6   10    7    9   10    2 |    54   58   56   57   55   55   54   60   52   54   53    55
  26  |    7    7    8    9    6    3    7    8    8    8   10    2 |    36   36   34   34   35   34   36   37   31   32   31    33
  27  |   11    6    7    9    6    3    5    7    7   10    9    2 |    33   34   32   34   34   32   29   33   31   35   32    32
  28E |    8    9   16    9   12    4   11   15    8   11    8    3 |    35   35   39   37   39   35   36   37   34   35   38    35
  29  |    5    8    6    5    9    3   15    7   11   12    9    3 |   161  161  162  163  163  162  161  162  164  158  162   162
  30E |   10    9   11   13    9    4    7    9    9    8    7    3 |   123  124  125  122  121  124  121  123  118  122  123   122
  31  |    6    6    6    9   18    2    7    7    6    8    7    2 |    80   74   74   80   75   77   75   74   75   73   78    76
  32  |    7    8    8    9    7    2    9    7    5   10    7    2 |    37   38   37   37   38   36   34   39   33   35   36    36
------+-------------------------------------------------------------+--------------------------------------------------------------
 RMS  |    8    7    9    8   11    3    9    9    8    9    8      |T   50   50   50   50   50   49   49   50   48   49   50    49
 WRMS |    7    7    9    8    9    3    9    9    7    8    8      |NE  39   36   36   36   41   39   36   37   37   38   37    38
 MEDI |    7    7    8    8    9    3    8    8    7    9    8      |MD  36   38   37   37   38   36   36   38   34   35   37    36

Table 3.2330.4   GPS week: 2330   Day: 4   MJD: 60558.000                            

        Weighted Average                                                 Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio   IGS
------+-------------------------------------------------------------+--------------------------------------------------------------
  X1  |   16  ---  ---  ---    9   10  ---  ---    8   19    7    6 |    43  ---  ---  ---   38   42  ---  ---   39   32   24    40
   2  |   11    9   10    9   21    3    6    7    7   13   11    3 |    31   33   33   32   34   32   33   32   30   34   33    31
   3  |    7    7   11    7    8    2    5    8    6    7    6    2 |    26   27   28   24   26   24   25   28   23   26   25    25
   4  |    8    7   13    6   11    3    8    9    5    9    7    2 |    35   36   40   37   41   36   37   38   40   34   41    37
   5  |    5    7    7    5    7    4    8    7    8   11    7    2 |    25   26   26   29   27   27   27   25   28   28   29    26
   6  |    8    8    7   12   11    3    9    9    8    9    5    3 |    31   31   33   30   33   31   31   31   30   33   32    31
   7  |   15    9    7   15    8    3    7   11    7   11    7    3 |    85   88   85   87   88   87   85   88   89   89   87    87
   8  |    6    7    7    8    7    3    6    8    7   12    8    2 |    18   21   20   23   19   20   18   19   18   24   19    19
   9  |    5    7    7    8   11    3    4    8    5    7    7    2 |    23   26   26   23   27   23   23   27   22   23   25    23
  10  |    7    8   10    9    7    4    7    9    6    8    9    2 |    34   37   36   33   34   33   35   35   33   35   34    34
  11  |    8    8   18    7    9    3    8   15    8   12    7    3 |    33   34   40   37   36   35   35   38   31   37   34    34
  12  |    4    6    6    6    7    3   14    7    5   11    5    2 |    47   48   51   48   45   50   51   50   48   47   48    48
  13  |    6    7    6    8   22    3   13    9    8   11    9    3 |    20   23   20   24   25   20   21   23   22   22   22    20
  14  |    4    7    6    7    7    2    5    7    9   10    7    2 |    43   42   43   46   45   44   45   44   47   41   46    44
  15  |    5    8    6    6    7    3   10    9    7   11    8    2 |    28   27   25   31   28   26   26   25   29   28   31    27
  16  |    6    6    5    8    9    3   16    5    5   10    9    2 |    19   20   21   22   18   20   23   18   18   22   20    19
  17  |    6    6    6    6   12    2    7    7    6    9    7    2 |    25   27   23   26   25   25   24   27   26   28   27    25
  18  |    9    7   21    9   13    4    6   19    9   16   12    4 |    30   32   36   29   29   29   30   35   27   30   31    29
  19  |    6    5    5    8   11    3   12    5    7    9    6    2 |    19   20   18   23   21   21   16   21   23   22   21    20
  20  |    6    7    5    6    7    3    8    7    6    9    5    2 |    17   19   18   21   19   18   16   16   18   18   18    17
  21  |   14    7   11    9   30    4   11    7    4   20   10    4 |    37   41   40   40   41   39   39   39   37   40   40    38
  22  |    5    7    8    8    8    3    5    5    9    9    5    2 |    13   18   14   18   14   15   14   18   17   17   18    15
  23  |    5    7   10    7    9    2    9    8    7    9    6    2 |   114  114  114  116  116  116  115  115  116  112  117   115
  24  |    6    8   10   10   13    4   15    8    7   10    6    3 |    20   23   25   24   22   21   22   22   23   25   23    22
  25  |    5    9    8    6    5    3    7   11    6   13    9    2 |    47   49   48   47   46   48   46   50   46   46   46    47
  26  |    6    7    8    8    6    3    7    8    8   10    5    2 |    25   29   28   26   26   28   28   30   23   24   25    26
  27  |   12    7    7    9    7    4    5    6    8   10    8    2 |    18   22   20   22   19   19   17   19   19   20   19    19
  28  |    7    8   17    7    9    3   11   15    7   11    7    3 |    35   37   40   37   39   35   37   40   34   36   38    36
  29  |    5    6    6    7    9    3   10    8    7   11    6    2 |   252  255  252  251  254  252  252  253  251  251  254   253
  30  |    6    8    9   11   14    3    6    9    7   11    9    3 |    59   60   60   61   63   60   58   59   60   59   56    59
  31  |   13    7    8   10   12    7    7    7    8    9    7    3 |   128  130  128  127  127  127  128  129  132  125  133   128
  32  |    6    8   10    9    7    3    7    7    6   10   10    2 |    20   23   24   23   21   20   19   22   19   22   21    20
------+-------------------------------------------------------------+--------------------------------------------------------------
 RMS  |    8    7   10    8   12    3    9    9    7   11    8      |T   43   45   45   45   45   44   44   45   44   44   44    44
 WRMS |    6    7   11    9    9    3    9    9    7   10    8      |NE  30   30   31   30   31   31   30   30   31   29   29    31
 MEDI |    6    7    8    8    9    3    7    8    7   10    7      |MD  30   31   33   30   29   29   30   31   29   30   31    29

Table 3.2330.5   GPS week: 2330   Day: 5   MJD: 60559.000                            

        Weighted Average                                                 Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio   IGS
------+-------------------------------------------------------------+--------------------------------------------------------------
  X1  |   14  ---  ---  ---    9   11  ---  ---    9   15   10    5 |    35  ---  ---  ---   29   32  ---  ---   26   54   44    30
   2E |   12    7    8   16   14    5    7    9    5   18   11    3 |    32   30   32   32   33   31   31   30   29   32   31    30
   3  |    6    7   10    8    9    2    8    7    5   11    8    2 |    19   22   21   20   19   18   16   21   18   21   21    19
   4  |    8    8   12    4   11    3   11    9    6    9    7    3 |    42   44   45   43   41   42   43   43   43   41   41    42
   5  |    6    6    5    5    7    3    8    6    6   10   10    2 |    18   19   16   19   19   19   19   17   20   18   23    18
   6E |    7   10    8   12   11    2   13    8    8    9    9    3 |    23   25   24   21   23   22   23   23   20   25   24    22
   7E |    8    7    9   11    7    3   10   11    8   10    6    3 |    75   78   74   75   77   75   75   77   78   76   76    76
   8  |    7    6    8    7    6    2    8    6    6    8   10    2 |    17   19   19   20   16   17   16   17   17   20   17    17
   9  |    6    8    7    8   12    3    5    6    4    7    8    2 |    25   26   26   23   25   24   24   26   22   23   22    23
  10  |    6    8    9   11    6    2    8    6    7    9    9    2 |    24   27   26   22   26   25   23   26   23   25   25    24
  11E |    8    9   18   11   10    3   11   14    7   11    8    3 |    36   38   42   34   38   37   38   41   32   35   37    36
  12  |    6    5    6    7    6    3   15    7    4   10    9    2 |    41   40   41   44   41   42   41   42   43   42   40    41
  13  |    7    8    7   11   11    3   11    9    8    8    7    3 |    20   24   20   20   22   20   20   24   20   22   21    20
  14  |    5    7    8    9    6    1    6    6    9    6    8    2 |    48   48   48   52   50   50   52   49   53   51   49    50
  15  |    6    8    6    6    8    2    8    7    7   10    8    2 |    24   22   21   25   24   23   22   22   26   23   24    23
  16  |    6    6    5    7    7    3   20    5    6    8   10    2 |    17   16   16   17   17   16   18   15   15   18   17    15
  17  |    9    6    6    7    7    1    7    6    6    6   10    2 |    22   22   19   25   22   21   20   22   20   21   24    21
  18E |    9    9   17   12    9    3    9   16   10   13    7    4 |    33   32   36   34   36   33   32   37   27   32   33    32
  19  |    7    6    5    8    8    2   14    5    9    7    9    2 |    18   18   16   21   19   18   17   19   20   19   22    18
  20  |    8    7    7    5    7    3   11    8    6   10    8    2 |    24   25   26   27   25   26   26   24   28   29   25    25
  21E |   14    6    9   29   15    5   12    6    6   33   16    5 |    49   47   44   57   54   47   46   47   46   52   47    47
  22  |    6    6    8    9    6    2    8    6    8    5    7    2 |    12   19   15   18   13   15   15   18   17   16   18    15
  23  |    6    8    8    8    9    2   10    7    7   11   10    2 |   175  176  175  174  175  174  176  174  175  174  171   174
  24E |    6    8   10   12   10    3   14    6    6   14   10    3 |    18   21   21   22   20   18   19   18   19   19   22    18
  25  |    7    9    8    6    5    3    6   10    6   14    9    2 |    64   66   65   64   64   63   63   66   64   66   63    64
  26  |    7    8    7    8    6    3    8    8    8    7    8    2 |    21   25   25   22   22   23   22   27   21   26   22    23
  27  |    9    8    7   10    6    4    7    6    8   11    8    2 |    17   19   19   19   17   17   15   19   20   20   16    17
  28E |    9    9   17   12   12    2   12   15    9   10    9    3 |    47   47   53   51   50   49   49   51   47   46   52    48
  29  |    6    8    5    8    9    3   14    7    9    7    8    2 |   364  364  364  363  364  363  362  365  362  361  362   363
  30E |    6   10   11   11   12    3   10    8    9    9    7    3 |    44   46   44   43   48   44   44   44   46   45   42    44
  31E |    8    7    6    8   13    3    9    6    6    8    9    2 |   169  168  168  166  167  168  168  167  171  168  170   168
  32  |    6    7    8   10    6    2    6    7    8   10    8    2 |    21   24   24   23   21   21   19   24   20   24   20    21
------+-------------------------------------------------------------+--------------------------------------------------------------
 RMS  |    7    8    9   10    9    3   10    8    7   11    9      |T   49   51   51   51   50   49   50   51   49   51   50    49
 WRMS |    7    8   10   10    9    3   10    8    7    8    9      |NE  30   31   31   31   30   30   30   31   29   35   32    30
 MEDI |    7    8    8    8    8    3    9    7    7   10    8      |MD  24   26   26   25   25   25   24   26   26   26   25    24

Table 3.2330.6   GPS week: 2330   Day: 6   MJD: 60560.000                            

        Weighted Average                                                 Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jgx  jpl  mit  ngs  sio   IGS
------+-------------------------------------------------------------+--------------------------------------------------------------
  X1  |   11  ---  ---  ---   11   10  ---  ---    7  ---  ---    7 |    67  ---  ---  ---   63   67  ---  ---   62  ---  ---    63
   2E |   18    7    9   10   32    3    8   16    8   14    9    4 |    64   60   60   62   69   61   61   60   60   62   60    61
   3  |    7   10   11   10    9    4    6    6    7   10    8    2 |    31   31   31   29   31   29   30   31   27   30   27    29
   4  |    8    8   11    6   12    3    8    8    7   11    9    3 |    63   64   65   62   63   62   63   64   62   60   66    63
   5  |    8    7    5    7    7    3    8    8    5    7    7    2 |    34   30   31   34   36   31   32   31   34   28   34    32
   6E |    8    8    7    9   11    2   12    7    8   10   11    3 |    49   49   50   47   50   48   47   49   47   50   48    48
   7E |    7    9    8    8    7    4    9   11    8    9    7    2 |    80   79   81   81   80   81   82   80   82   78   81    80
   8  |    5    7    8    7   10    4    9    5    8    9    8    2 |    30   33   33   32   34   30   32   31   28   31   29    31
   9  |    6    7    7    6   13    3    7    7    6    8    8    2 |    37   37   36   35   36   35   35   37   34   34   37    35
  10  |    7    6   10   10    7    3    7    8    8    8    9    2 |    33   35   36   33   36   33   32   33   32   31   33    33
  11E |    8    9   17   10   13    3   10   13   10   11   10    3 |    66   65   70   65   69   64   65   69   62   65   61    65
  12  |    4    7    5    8    9    4   11    7    6    6    6    2 |    61   60   64   61   59   62   66   64   59   58   59    61
  13  |    8    7    6    7   12    3   13    9    9   11   11    3 |    36   37   34   33   37   33   33   36   34   31   36    34
  14  |    5    7    6    8    8    3    7    6    9    6    8    2 |    65   66   64   67   66   65   66   65   68   65   65    66
  15  |    6    8    8    7    8    2   10   10    7   10   11    2 |    36   31   30   33   34   32   31   29   36   31   37    32
  16  |    8    5    6    8   10    4   20    7    8   11    8    3 |    28   26   26   29   28   27   33   26   26   31   26    27
  17  |    6    7    7    8    8    3   11    7    6    6   13    2 |    45   44   41   46   44   42   42   44   44   42   43    43
  18E |    9    8   19   11   18    4   10   16    8   13    6    4 |    57   57   61   54   59   56   57   61   52   56   52    56
  19  |    8    6    5    9    9    3   14    5   10    9   10    3 |    34   33   32   38   35   35   32   34   39   36   37    34
  20  |    8    7    5    6    8    4   10   10    7    9   12    2 |    33   34   34   35   36   33   35   34   35   31   36    33
  21E |    7   10   11   13   25    5   11   12   10   18    6    4 |    68   71   66   70   67   69   68   71   67   68   67    68
  22  |    6    7    6    7    8    3    7    5   10    6    9    2 |    26   27   26   28   24   24   26   28   28   27   28    26
  23  |    6    6    8    9    8    2   10    8    7   10    7    2 |   233  233  234  233  233  233  234  234  235  235  236   234
  24E |    7    9   10    9   17    3   12    7    8    8   12    3 |    29   31   30   30   27   29   31   29   30   30   37    29
  25  |    6    9    8   10    8    4    8   11    7   14    9    3 |    93   94   94   93   92   93   94   95   92   92   92    93
  26  |   11    7    8    9    8    5   11    7    8   10    9    3 |    41   39   40   37   39   40   43   41   36   40   35    38
  27  |    5    8    7   10   10    4    9    8    9    7    8    2 |    29   33   32   31   32   29   29   31   30   31   27    30
  28E |   10    9   18    9   15    4   12   15    8   12    9    4 |    89   88   90   87   89   87   90   88   87   87   86    88
  29  |    6    7    5    6   11    4   12    8    6    7    6    2 |   543  547  545  547  545  544  539  546  544  543  544   544
  30E |    6    8   10   10   12    4   10    8    7    9    9    3 |    52   50   52   53   55   51   53   50   50   49   51    51
  31E |    6    6    8   11   10    6   14    9    7    8   10    3 |   101  103  104  104  102  103  102  102  105  108  104   103
  32  |    8    8    9    9    9    3    8    7    8   10   10    3 |    33   34   34   32   32   32   33   34   31   33   30    32
------+-------------------------------------------------------------+--------------------------------------------------------------
 RMS  |    8    8    9    9   13    4   10    9    8   10    9      |T   71   71   71   71   71   70   71   71   70   70   71    70
 WRMS |    7    8    9    9   11    4   10    9    7    8    8      |NE  49   45   45   45   48   48   47   46   47   45   44    48
 MEDI |    7    7    8    9   10    3   10    8    8    9    9      |MD  45   44   41   46   44   42   43   44   44   42   43    43



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 4.2330   GPS week: 2330   MJD: 60554.0-60560.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |U   14    17    31 |U    9    16    38 |U   10    15    33 |
emr | emr 2974 |U   16    25    38 |U   10    17    39 |    14    15    42 |
esa | esa 2976 |    14    24    39 |U   10    19    43 |U   11    13    39 |
gfz | gfz 2975 |U   17    21    37 |U    9    17    33 |    11    13    36 |
grg | grg 3071 |U   15    18    34 |U    9    18    41 |    13    18    38 |
igr | igr 2976 |    13    18    31 |     9    17    36 |     9    12    34 |
igs | igs 2976 |    13    18    31 |     9    17    36 |    10    13    35 |
jgx | jgx 2976 |U   12    16    30 |U    9    17    36 |     9    12    33 |
jpl | jpl 2976 |    14    20    39 |    10    20    40 |    13    16    44 |
mit | mit 3072 |U   25    17    78 |U    9    19    40 |U   38    28    83 |



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 5.2330.0   GPS week: 2330   Day: 0   MJD: 60554.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    15    16    34 |     7    16    36 |     8    10    37 |
emr | emr 2974 |    17    24    38 |     8    15    26 |    16    13    46 |
esa | esa 2976 |    15    21    41 |     8    19    34 |    11     9    41 |
gfz | gfz 2976 |    20    24    52 |     9    17    38 |     8     8    38 |
grg | grg 3072 |    17    17    32 |     6    18    42 |    10    13    40 |
igr | igr 2976 |    14    18    31 |     7    17    33 |     9     7    36 |
igs | igs 2976 |    14    17    33 |     7    16    31 |     8     8    39 |
jgx | jgx 2976 |    14    15    30 |     7    14    35 |     8     8    39 |
jpl | jpl 2976 |    17    19    43 |     9    18    27 |    12    12    49 |
mit | mit 3072 |    23    18    72 |     7    19    37 |     9    15    34 |

Table 5.2330.1   GPS week: 2330   Day: 1   MJD: 60555.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    12    17    26 |     8    18    32 |    10    15    29 |
emr | emr 2976 |    13    23    32 |     9    23    39 |    14    20    47 |
esa | esa 2976 |    12    23    36 |     9    21    31 |    11    14    35 |
gfz | gfz 2974 |    12    17    24 |     8    18    23 |    15    16    44 |
grg | grg 3071 |    13    17    28 |     7    18    33 |    11    16    35 |
igr | igr 2976 |    11    17    26 |     7    19    24 |     9    13    32 |
igs | igs 2976 |    11    17    26 |     8    18    23 |    10    14    33 |
jgx | jgx 2976 |    10    15    25 |     7    15    24 |     8    11    29 |
jpl | jpl 2976 |    13    21    37 |    10    23    30 |    13    18    45 |
mit | mit 3072 |    23    17    91 |     9    17    27 |    37    38    48 |

Table 5.2330.2   GPS week: 2330   Day: 2   MJD: 60556.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    15    17    36 |    14    12    42 |     9    18    32 |
emr | emr 2976 |    15    23    41 |    14    15    36 |    11    12    38 |
esa | esa 2976 |    15    26    48 |    13    16    31 |    11    10    38 |
gfz | gfz 2976 |    17    20    37 |    15    15    32 |     8    14    28 |
grg | grg 3070 |    17    18    39 |    12    15    44 |    13    25    36 |
igr | igr 2976 |    14    18    37 |    13    14    36 |     9    13    32 |
igs | igs 2976 |    15    19    38 |    13    14    36 |     9    14    32 |
jgx | jgx 2976 |    13    16    34 |    13    14    38 |     8    15    31 |
jpl | jpl 2976 |    14    22    47 |    15    19    40 |    14    14    45 |
mit | mit 3072 |    65    27    99 |    11    15    42 |     9    12    22 |

Table 5.2330.3   GPS week: 2330   Day: 3   MJD: 60557.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    11    17    26 |    10    24    45 |    12    14    27 |
emr | emr 2975 |    19    36    53 |    10    22    46 |    17    15    38 |
esa | esa 2976 |    12    26    39 |    10    23    51 |    14    13    32 |
gfz | gfz 2974 |    22    32    50 |    11    24    36 |    11    12    28 |
grg | grg 3071 |    12    18    31 |    11    26    40 |    13    13    38 |
igr | igr 2976 |    10    19    29 |     9    22    38 |    11    11    27 |
igs | igs 2976 |    10    20    29 |     9    23    40 |    12    13    28 |
jgx | jgx 2976 |     8    17    26 |     9    22    35 |    11    10    28 |
jpl | jpl 2976 |    11    22    41 |    11    23    52 |    15    19    37 |
mit | mit 3072 |     9    13    26 |    10    25    41 |    11    12    32 |

Table 5.2330.4   GPS week: 2330   Day: 4   MJD: 60558.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    18    21    31 |     8    16    40 |    10    12    30 |
emr | emr 2975 |    20    29    34 |    10    15    43 |    12    13    44 |
esa | esa 2976 |    18    31    36 |    10    18    47 |    11    14    35 |
gfz | gfz 2976 |    19    23    34 |     6    14    35 |    16    14    43 |
grg | grg 3071 |    20    23    37 |     8    17    39 |    11    15    33 |
igr | igr 2976 |    16    21    32 |     7    16    36 |     9     9    31 |
igs | igs 2976 |    17    23    33 |     7    15    37 |    10    11    31 |
jgx | jgx 2976 |    15    19    34 |     8    16    35 |     9     9    28 |
jpl | jpl 2976 |    15    23    38 |     9    20    42 |    12    18    42 |
mit | mit 3072 |    20    16    85 |     8    18    40 |   114   100   116 |

Table 5.2330.5   GPS week: 2330   Day: 5   MJD: 60559.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    13    19    31 |     8    15    40 |     9    18    40 |
emr | emr 2972 |    14    24    37 |     8    14    36 |    16    17    37 |
esa | esa 2976 |    12    22    38 |    10    18    44 |    12    14    42 |
gfz | gfz 2976 |    14    19    31 |     8    14    34 |     8    13    34 |
grg | grg 3071 |    15    18    35 |     8    14    39 |    18    22    38 |
igr | igr 2976 |    13    17    31 |     7    16    36 |    10    14    39 |
igs | igs 2976 |    13    18    31 |     7    14    36 |    10    14    39 |
jgx | jgx 2976 |    12    16    31 |     7    16    36 |     9    14    38 |
jpl | jpl 2976 |    12    18    32 |     9    17    42 |    13    15    46 |
mit | mit 3072 |    18    17    79 |     8    17    42 |    11     8    35 |

Table 5.2330.6   GPS week: 2330   Day: 6   MJD: 60560.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    13    14    31 |     7    15    34 |     9    18    37 |
emr | emr 2976 |    15    19    35 |     9    17    45 |    12    18    48 |
esa | esa 2976 |    14    22    36 |    12    21    60 |    10    14    49 |
gfz | gfz 2976 |    13    14    32 |     9    15    34 |    10    17    40 |
grg | grg 3072 |    15    16    35 |    12    18    48 |    14    21    49 |
igr | igr 2976 |    13    14    30 |    12    19    52 |     9    15    40 |
igs | igs 2976 |    13    15    31 |    12    18    50 |     9    15    42 |
jgx | jgx 2976 |    11    14    31 |    12    20    51 |     9    16    40 |
jpl | jpl 2976 |    14    15    33 |     8    22    45 |    11    14    45 |
mit | mit 3072 |    15    11    94 |    12    20    50 |    76    12   297 |


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 6.2330   GPS week: 2330   MJD: 60554.500-60560.500

                                                         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 |       9       6     -45      51     -5 |      -3     31
            |      12      16      40      55      4 |       5
emr   uuuuu |     -12       1     -58      36     -3 |       0     31
            |      15      14      39      57      8 |       4
esa   uuuuu |       6      -7     101     -26      4 |      18     35
            |      11       5      54      68      4 |       4
gfz   uuuuu |     -13     -37     -24     102      5 |      -1     33
            |      14      10      72     125      6 |       5
grg   uuuuu |      -5       5     -33     -45      1 |       7     32
            |      20      11      28      73      2 |       4
igr   xxxxx |      -3      -1      -3      27      1 |      -1     32
            |       8      10      27      83      7 |       5
irf   xxxxx |      -5      -2       8      19      3 |      -1     32
            |       6       7      15      27      6 |       5
jgx   uuuuu |       0       2      -3      21      0 |      12     32
            |       7      13      31      33      5 |       4
jpl   uuuuu |       7     -36      39      27     -7 |      11     35
            |      14      11      31      53      8 |       3
mit   uuuuu |       3      44       7    -139      3 |      20     37
            |      16      27      37      38      3 |       4
ngs   uuuxu |      -2       6      42      91      2 |      13     34
            |      65      20      81     443      7 |       4
sio   xxxxx |      30     -10    -128      14     15 |      39     51
            |      55      38      42      62      6 |       6


Table 7.2330.0   GPS week: 2330   Day: 0   MJD: 60554.500

                                                         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 |     -11      17     -26     160     -9 |      -1     32
emr   uuuuu |      17     -14     -52      83    -12 |       0     32
esa   uuuuu |       0      -5      49    -151      5 |      18     35
gfz   uuuuu |     -23     -42     -35      63      8 |      -3     32
grg   uuuuu |       0      16     -72     -29      4 |       5     32
igr   xxxxx |     -14     -18      15    -141      0 |       0     32
irf   xxxxx |       2       0      22     -26      4 |      -2     31
jgx   uuuuu |     -10      27      26       3     -7 |      13     32
jpl   uuuuu |      24     -25      60      87      0 |      12     37
mit   uuuuu |      19      19      24    -192      0 |      18     36
ngs   uuuxu |     -64       8      52    -326     11 |      11     32
sio   xxxxx |      74     -68    -127     -80     23 |      31     44

Table 7.2330.1   GPS week: 2330   Day: 1   MJD: 60555.500

                                                         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     -19     -67      34     -7 |       5     32
emr   uuuuu |     -20       4     -12      12      0 |       6     31
esa   uuuuu |      11      -8     148     -62      9 |      24     40
gfz   uuuuu |       0     -42      98     158      5 |       4     33
grg   uuuuu |      16      -8     -16     -13      2 |      12     34
igr   xxxxx |      -5     -11      33       3     -1 |       5     33
irf   xxxxx |      -4       6     -18       5     -6 |       5     32
jgx   uuuuu |       0       4     -58     -43     -2 |      19     35
jpl   uuuuu |       7     -36       0      96      0 |      16     39
mit   uuuuu |      20      68     -35    -134     -2 |      25     40
ngs   uuuxu |     -66       6     -67    -465     -2 |      19     36
sio   xxxxx |      15      44    -119       9     15 |      40     52

Table 7.2330.2   GPS week: 2330   Day: 2   MJD: 60556.500

                                                         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 |       9       7     -59      17     -2 |      -3     34
emr   uuuuu |     -10       3      -7     -49     -5 |       0     33
esa   uuuuu |      23     -10     197      -4     10 |      16     35
gfz   uuuuu |      -2     -49     -27     293      1 |      -2     34
grg   uuuuu |      10      -5     -65      25      1 |       5     34
igr   xxxxx |      -6      11     -16      48      3 |      -2     34
irf   xxxxx |       1       5      28       3      6 |      -3     34
jgx   uuuuu |       5       0     -33      26      0 |      11     33
jpl   uuuuu |      -8     -16      59     -33     -2 |      11     38
mit   uuuuu |      17      68     -15    -149      4 |      17     37
ngs   uuuxu |     -56     -35     -39    -246     -6 |      12     34
sio   xxxxx |     118     -14    -161     -20     21 |      35     49

Table 7.2330.3   GPS week: 2330   Day: 3   MJD: 60557.500

                                                         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 |       8      -6     -58     -14      3 |     -10     33
emr   uuuuu |      -5       1     -61       7     -2 |      -5     33
esa   uuuuu |      15     -12     103      18      4 |      12     32
gfz   uuuuu |      -5     -38      -8     207      8 |      -7     34
grg   uuuuu |       7      -4     -35     -47     -1 |       1     33
igr   xxxxx |       4       1     -15     121      6 |      -8     33
irf   xxxxx |      -3      -9       7      21     10 |      -8     34
jgx   uuuuu |      -5       4      15      22     -2 |       6     30
jpl   uuuuu |      19     -44      35     -38    -24 |       9     36
mit   uuuuu |     -15      76      17    -149      8 |      13     34
ngs   uuuxu |     -18      11      12     113      4 |       6     33
sio   xxxxx |      45       7    -105      -1      4 |      34     47

Table 7.2330.4   GPS week: 2330   Day: 4   MJD: 60558.500

                                                         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      14     -59      76     -7 |      -7     34
emr   uuuuu |     -12     -20     -64      81      1 |      -3     35
esa   uuuuu |      -5       2      57     -47      3 |      15     36
gfz   uuuuu |     -29     -22     -16     -72      6 |      -4     36
grg   uuuuu |     -32       3     -33      -8     -1 |       3     35
igr   xxxxx |      -9       1       6      19      5 |      -5     35
irf   xxxxx |     -10       2       4      36      6 |      -4     36
jgx   uuuuu |      -5       0      19      53      1 |       8     32
jpl   uuuuu |      19     -43      86       6     -6 |       8     36
mit   uuuuu |       5      38     -35     -94      3 |      17     39
ngs   uuuxu |      35      23     141     588      0 |       9     35
sio   xxxxx |      20      21    -116      38     14 |      37     52

Table 7.2330.5   GPS week: 2330   Day: 5   MJD: 60559.500

                                                         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 |       0       3     -82      46     -5 |      -2     28
emr   uuuuu |     -30      23    -114       7    -15 |       4     28
esa   uuuuu |      -1     -12      67       4      1 |      21     34
gfz   uuuuu |       0     -39     -29      53     10 |       3     28
grg   uuuuu |      -3      16      10     -40      2 |      10     29
igr   xxxxx |      10       6       7      66      7 |       2     28
irf   xxxxx |      -3      -7       2      55      1 |       3     29
jgx   uuuuu |       5     -11       6      31      6 |      13     29
jpl   uuuuu |      -7     -46      21      24    -10 |      14     31
mit   uuuuu |     -13      29      32     -87      3 |      23     37
ngs   uuuxu |      83      23     142     588     11 |      15     32
sio   xxxxx |     -13     -18     -67      29     11 |      45     54

Table 7.2330.6   GPS week: 2330   Day: 6   MJD: 60560.500

                                                         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 |      24      28      36      38     -5 |      -3     27
emr   uuuuu |     -23      10     -93     111      9 |       1     24
esa   uuuuu |      -4      -4      85      60     -2 |      22     35
gfz   uuuuu |     -31     -25    -151      10     -6 |       5     30
grg   uuuuu |     -32      16     -23    -200     -2 |      10     29
igr   xxxxx |      -2       5     -52      72    -13 |       2     29
irf   xxxxx |     -16     -10       8      37     -2 |       4     30
jgx   uuuuu |      12     -12       7      55      5 |      14     30
jpl   uuuuu |      -2     -41      12      45     -4 |      11     26
mit   uuuuu |     -12       7      64    -167      4 |      24     37
ngs   uuuxu |      75       9      51     386     -3 |      16     34
sio   xxxxx |     -46     -44    -198     124     16 |      47     57


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