[IGSREPORT-18326] Wk 1570 IGS Final Orbits

Jim Ray IGS.ACC at noaa.gov
Thu Feb 25 06:14:41 PST 2010


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IGS Electronic Report   25 Feb 06:15:06 PST 2010      Message Number 18326
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Author:  AC Coordinator / NOAA NGS

sum-file Version 2.0
Final IGS Orbit Combination - Week 1570   (Feb 07, 2010 - Feb 13, 2010)

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


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

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

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

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

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

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

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


SOFTWARE:
---------

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

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

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

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

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


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

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

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

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



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

igs1570[0-6].sp3  IGS GPS ephemeris files in SP3 format.
igs1570[0-6].clk  IGS GPS satellite and station clocks in clock RINEX format.
igs1570[0-6].cls  IGS GPS clock combination summary report.
igs15707.erp      Earth Rotation Parameters (ERP) and their rates as well as
                  Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                  with IGS ephemerides.
igs15707.sum      Complete report.

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

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

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

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

 4. The following clock solutions were excluded from the combination because they
    were biasing the combined clock solutions (clock shifts/outliers) but were
    kept for the RMS computation.  Duplicate entries can arise due to separate
    combination runs for the 30-s clocks ACs (listed first) and the 5-min clock
    ACs (listed second).
    
               Day | Centre | PRN/STA list
               ----+--------+---------------
                0  |  EMR   | 3 6 26 3 6 26 WTZR WTZR
                0  |  ESA   | 25 RAMO UNSA
                0  |  GFZ   | 5 6 10 13 14 23 26 28 AREQ ASPA BOGT CHPI CONZ DGAR
                0  |  GFZ   | EIL1 FAA1 FAIR GLPS GUAT HARB HOLM HYDE IRKT KERG
                0  |  GFZ   | KIRU LPGS MAL2 MDO1 PETP PIMO REUN RIOP SANT SYOG
                0  |  GFZ   | THU3 TLSE TSKB YELL
                0  |  GRG   | SPT0
                0  |  JPL   | 6 26 DGAR
                0  |  MIT   | 3 6 25 3 6 25 26 SSIA
                0  |  NGS   | 1
                1  |  ALL   | 26
                1  |  EMR   | 3 6 3 6 WTZR WTZR
                1  |  GFZ   | 5 7 13 14 22 23 24 ALIC ASPA AUCK CAS1 CHUR CONZ
                1  |  GFZ   | FAA1 GUAM HARB HOLM HRAO KERG KIT3 MIZU NYAL PRDS
                1  |  GFZ   | SEY1 SUTM TIXI TOW2 TSKB TWTF YAKT YELL
                1  |  GRG   | CHPI USUD
                1  |  JPL   | 3 6 32 DGAR UNSA
                1  |  MIT   | 3 6 3 6 CAS1 HARB
                1  |  NGS   | 1
                2  |  COD   | YAKT
                2  |  EMR   | 3 6 3 6 WTZR WTZR
                2  |  ESA   | NICO NICO UNSA
                2  |  GFZ   | 6 13 23 ADE1 ALGO AREQ BAKO CEDU CHAT COCO CONZ CRO1
                2  |  GFZ   | EIL1 FAIR GRAZ HARB HOB2 HOLM HRAO KIRU KIT3 KOUC
                2  |  GFZ   | LPGS MAC1 MIZU NRC1 OUS2 PERT PIE1 PRE1 QAQ1 RABT
                2  |  GFZ   | SCH2 SFER STJO SUTH SYOG TSKB ULAB YAKT YAR2 YELL
                2  |  GRG   | ONSA YAKT
                2  |  JPL   | 3 6 32 DGAR NICO WILL
                2  |  MIT   | 3 6 HARB
                3  |  ALL   | 26
                3  |  COD   | 3 6 NRIL
                3  |  EMR   | 3 6 26 15 19 23 29 WTZR WTZR
                3  |  ESA   | 31 3 6 KERG KERG
                3  |  GFZ   | 3 8 10 14 19 21 22 23 28 31 ALRT AREQ BAKO BOGT BOR1
                3  |  GFZ   | BRUS CHUR COCO CONZ DAV1 FAIR GLPS HARB HOLM HRAO
                3  |  GFZ   | IRKT KOUR LPGS MAC1 MCM4 MIZU NRC1 OHI2 PDEL PIE1
                3  |  GFZ   | QAQ1 REUN RIOP SANT SEY1 STJO SUTH TSKB TWTF UNSA
                3  |  GFZ   | VILL WSRT XMIS YAKT YAR2 ZIMM
                3  |  GRG   | ONSA
                3  |  JPL   | 6 12 13 14 16 19 23 29
                3  |  MIT   | 3 6 26 HARB TIDB
                3  |  NGS   | 1
                4  |  COD   | 26 NYA1
                4  |  EMR   | 3 6 3 6 HARB WTZR WTZR
                4  |  ESA   | 26 UNSA
                4  |  GFZ   | 3 6 8 13 14 15 23 31 ALGO ALRT ARTU AUCK BAKO CHUR
                4  |  GFZ   | COCO DAV1 DGAR EIL1 GRAZ IRKT KARR KERG KOUR LPGS
                4  |  GFZ   | MAC1 MATE MAW1 METS NRC1 OUS2 PDEL RESO SANT SFER
                4  |  GFZ   | SSIA STJO THTI THU3 WSRT YAKT YKRO
                4  |  GRG   | ONSA
                4  |  JPL   | 3 32 DGAR
                4  |  MIT   | 3 6 3 6 BOR1
                4  |  NGS   | 1
                5  |  ALL   | 1
                5  |  COD   | YELL JOZ2 NRIL YELL
                5  |  EMR   | 3 6 26 3 6 15 16 17 19 23 26 29 WTZR
                5  |  ESA   | YELL YELL
                5  |  GFZ   | 3 5 6 7 12 13 17 19 23 29 31 32 AREQ ASPA BUE1 CAS1
                5  |  GFZ   | CHPI CHUR CONZ CRO1 DAEJ DAV1 EIL1 GODE GRAZ GUAM
                5  |  GFZ   | HARB IRKT KOUR LPGS MAC1 MAL2 MAW1 MCM4 MDO1 MIZU
                5  |  GFZ   | NICO NRC1 PERT PIE1 PRDS PRE1 QAQ1 RAMO RESO RIOP
                5  |  GFZ   | SANT SCH2 SHAO SSIA STJO SUTH SUTM SYOG THTI THU3
                5  |  GFZ   | WUHN YELL YKRO YSSK
                5  |  GRG   | SPT0
                5  |  JPL   | 13 15 16 19 23 29 32
                5  |  MIT   | 3 6 26 3 6 26
                6  |  COD   | NRIL
                6  |  EMR   | 3 6 3 6 WTZR WTZR
                6  |  ESA   | UNSA
                6  |  GFZ   | 2 3 7 8 14 15 16 17 20 21 26 27 30 32 ALGO ALIC CHAT
                6  |  GFZ   | CHPI CHUR CONZ CRO1 EIL1 GLPS GRAZ HOB2 IRKT KERG
                6  |  GFZ   | KOUC LPGS MAL2 MATE MDO1 NICO NTUS NYAL OUS2 PDEL
                6  |  GFZ   | PERT PRDS RESO RIOP SANT SFER SSIA STJO SUTH THU3
                6  |  GFZ   | TIXI WHIT WTZR YKRO
                6  |  GRG   | WTZR
                6  |  JPL   | DGAR
                6  |  MIT   | 3 6 26 3 6 26 SPT0 SPT0
                6  |  NGS   | 1

    
 5. New clock offsets and drifts were estimated for centres showing reference
    clock resets.  Note that only the largest clock offset and drift are output
    to the summary file.  However, the clock combination and the listed RMS
    include all the clock segments.  In summary, the following clock
    shifts/resets were noticed and accounted for:
    
               Day | Centre |  Time  |  Jump
               ----+--------+--------+-------------
                2  |  ESA   | ~12:57 | ~ -0.33 ns
                2  |  MIT   | ~00:00 | ~ -0.53 ns

 6. The following table lists all maneuvered satellites for this week.
    The solutions from COD and ESA, which modeled the maneuver, are used
    that day for combination. An associated accuracy code of 0 (unknown) 
    is given if only one AC is left (no redundancy). For the long arc  
    evaluation the arc is split into two parts at the given maneuver epoch.
    
               PRN |    Date    | Ref. NANU
               ----+------------+----------
               G26 | 2010_02_08 | 2010023 
               G26 | 2010_02_09 | 2010023 

 7. Velocity changes were estimated to alleviate the effects of modeling
    problems, experienced by all centres,in the Long Arc (LA) process.
    
             Velocity changes per day and affected satellites:
    
               Day |  0 |  1 |  2 |  3 |  4 |  5 |  6 |
           --------+----+----+----+----+----+----+----+
           PRN G06 |    |    |    |    |    |    |  1 |
           PRN G25 |    |    |    |    |  4 |  4 |  4 |
           PRN G26 |    |  4 |    |    |    |    |    |

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

 9. Small rotations were applied to all the AC orbit and ERP values in order
    to align them to the IGS05 frame. These rotations were estimated in the IGS
    SINEX combination process, performed by the IGS Reference Frame Coordinator
    at the Institut Geographique National (IGN), and are based on the common
    stations between the individual AC SINEX solutions and the IGS05.snx SINEX
    frame. The estimated 7 transformations, from which only the 3 rotations are
    applied to the orbit and ERP values, are:
    
            |    DX     DY     DZ      RX     RY     RZ     SCL
     Centre |   [mm]   [mm]   [mm]   [uas]  [uas]  [uas]   [ppb]
     -------+---------------------------------------------------
       COD  |    -.1    1.4     .3     -12      4    -28    -.03
       EMR  |    3.3     .3   10.2      47    -13     27     .48
       ESA  |    9.6    6.4    4.7      90    -72      3     .28
       GFZ  |     .7    1.5    1.0      20     -5    -13     .03
       GRG  |    6.3   14.1   12.8      24     43    -24     .91
       JPL  |    7.5    -.4   17.1       8    -39    -72     .49
       MIT  |    9.7   -2.7   -5.0      16      6    -35     .21
       NGS  |   12.2    -.2   -6.2      -7   -185    -15     .36
       SIO  |    7.3   -3.0   -4.5     -75   -129    -10     .54


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

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

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

    
ORBIT COMBINATION AND EVALUATION STATISTICS:                                    
--------------------------------------------                                    
      
Most combination statistics are with respect to the combined orbits and
consist of five parts. The first, Table 1, summarizes all statistics for
the week.  It contains means and standard deviations over the week of
satellite ephemeris and clock correction transformation parameters for
each centre (table 1.1570.a). It also displays the computed satellite
position sigmas for the combined orbits (table 1.1570.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 2.1570.[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 3.1570.[0-6]). The first type of satellite RMS is
based on orbit combination and the second RMS type is a result of the 7-day
arc evaluation of each centre ephemerides. The fourth part, Table 4, is a
weekly summary of the daily precise navigation summaries for centres
providing both orbit and clock solutions.  It contains weekly station RMS
w.r.t. the initial coordinates for the Latitude, Longitude and Height 
components for up to three IGS stations (table 4.1307). The fifth and final
part, Table 5, is similar to Table 4 and contains daily precise navigation
statistics (tables 5.1570.0-6).

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

             
Table 1: Week 1570 summary.                       (Feb 07, 2010 - Feb 13, 2010)

Table 1.1570.a   GPS week: 1570   MJD: 55234.000-55240.000

         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  241|    0     0     2    46   -96   -20  -.15    8    7 |    -287    -316     18     76
        |    0     0     0    10    21    41   .03           |     218     433
emr   90|   -1     0     7   -85   -59   -10   .46   19   19 |   -3872     232     24     93
        |    3     1     1    18    41    20   .03           |    2190    1652
esa  133|    2     0    -4  -129   -16    27   .25    8    8 |   -1814     653     17    109
        |    0     0     1    16    26     8   .03           |    1649    2888
gfz  197|    0    -2    -7    20   -98    20  -.11   12   12 |     164    -778     33    126
        |    0     0     1    31    72    12   .02           |     395    1106
grg  107|   -1     0     7   -14  -223     3  1.02   27   25 |     -66     -68     72    215
        |    1     0     2    34    46    26   .03           |     266     564
igr  n/a|    0     0    -2    12   -86     3   .01    5    5 |  -11526     613     21     66
        |    0     0     1    16    24    21   .04           |    1754    2005
jpl  130|    0     0     9    -6    -2    -7   .53   20   19 |   -1744     332     21    106
        |    1     1     1    18     5    22   .05           |    1972    1773
mit  254|    1     0    -2    31  -107    -1  -.32   12   10 |  -16660    1670     20    128
        |    0     1     0    13    12    17   .02           |     465    1258
ngs  217|    0     0    -3    28   283   -31  -.15   11    8 |   16267   -2902   2135   3746
        |    0     1     1    28    47    22   .04           |    6891   22311
sio  261|   -1     1    10   168   173    31  -.13   17   16 |     ---     ---    ---    ---
        |    1     1     1    16    19    16   .01           |     ---     ---


Table 1.1570.b   GPS week : 1570   MJD: 55234.000-55240.000   

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



Table 2: Daily transformation of each centre to the combined IGS orbit and
         clocks for each day of the week. The transformation displayed is the
         sum of a priori and estimated transformations.
         WRMS - RMS weighted by the centres SP3 header accuracy codes.
         STA  - Number of stations in the daily solutions.
   
Table 2.1570.0   GPS week: 1570   Day: 0   MJD: 55234.000                            

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  241|    1     0     1    43   -79   -14  -.13    8    8 |     -44    -858     20     72
        |                    -14   -12                       |
emr   90|   -5     0     7   -94  -127   -27   .48   19   19 |      48    -770     19     74
        |                     39    70                       |
esa  133|    1     0    -3  -149   -22    34   .29    8    8 |    -558    -589     13    101
        |                     43    52                       |
gfz  197|    0    -1    -4    30   -58    30  -.14   11   11 |     191    -915     32    116
        |                    -20   -42                       |
grg  107|    0     1     9    30  -178    -4   .99   25   22 |     -19    -292     74    185
        |                    -57    65                       |
igr  n/a|    0     0     0    14   -64   -12   .00    5    4 |   -8489    -821     19     54
        |                    -65   -24                       |
jpl  130|    0     1    11    29    -6   -18   .46   20   19 |    2088    -665     18    116
        |                      4   -32                       |
mit  254|    2     0    -2    20  -108    -3  -.36   13   11 |  -16251    2544     22    145
        |                    -25     9                       |
ngs  217|    0     1    -3    36   266   -50  -.20   11    7 |   15836   -4580   2058   3746
        |                    120   -63                       |
sio  261|    1     0    11   154   165    23  -.14   20   16 |     ---     ---    ---    ---
        |                    -98  -131                       |

Table 2.1570.1   GPS week: 1570   Day: 1   MJD: 55235.000                            

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  241|    0     0     3    28   -90   -17  -.12    8    7 |    -574     375     17     76
        |                     24    18                       |
emr   90|   -5     1     8   -86   -84   -16   .47   19   19 |   -2063   -2123     17     81
        |                     28    30                       |
esa  133|    1     0    -7  -125   -51    31   .28    9    9 |    -131    -183     13     95
        |                      8    64                       |
gfz  197|    0    -1    -8    32   -82    13  -.08   12   12 |    -112     233     26    115
        |                      6    -6                       |
grg  107|   -1     1     6   -62  -215   -29  1.03   25   28 |      59    -490     67    209
        |                     42   127                       |
igr  n/a|   -1     0    -1   -10  -111   -26   .05    6    6 |  -10693   -2234     19     61
        |                    -19    -8                       |
jpl  130|    0     2    11   -21     7   -26   .49   20   19 |    -532   -2245     16    100
        |                     28   -53                       |
mit  254|    2    -1    -2    44   -81     0  -.33   12   10 |  -16917    2072     20    147
        |                    -13    -1                       |
ngs  217|    0     0    -1    -1   266   -17  -.19   10    7 |   19358  -12541   2536   3817
        |                     68     4                       |
sio  261|    1    -1    10   173   201    28  -.12   18   17 |     ---     ---    ---    ---
        |                    -87  -137                       |

Table 2.1570.2   GPS week: 1570   Day: 2   MJD: 55236.000                            

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  241|    0     0     4    43   -91   -40  -.13    9    7 |     -43    -316     17     68
        |                     45    11                       |
emr   90|    0     1     7   -77   -63     6   .49   18   18 |   -3520   -1260     15     87
        |                     17     5                       |
esa  133|    3     0    -5  -147   -12    30   .23    9    9 |    -483   -2441     25    135
        |                     39    67                       |
gfz  197|    0    -1    -7    29  -192    13  -.08   11   11 |     938   -3072     37    137
        |                     16   -38                       |
grg  107|    0     0     6   -18  -253    16  1.02   29   23 |      12     263     80    240
        |                     -7   148                       |
igr  n/a|    0     0    -2    32   -84    18   .00    6    5 |  -12036   -1063     20     70
        |                    -56    -7                       |
jpl  130|   -2     0     9   -30    -1    10   .54   20   19 |   -1839   -1245     18     94
        |                     90    -8                       |
mit  254|    1     0    -1    40  -118    24  -.31   12   10 |  -17354    2660     18    106
        |                    -17    -3                       |
ngs  217|   -2     0    -4    10   321   -40  -.15   10    7 |   20433  -13962   2257   3701
        |                     24   -86                       |
sio  261|    0     0    12   167   159    47  -.13   17   15 |     ---     ---    ---    ---
        |                    -89  -114                       |

Table 2.1570.3   GPS week: 1570   Day: 3   MJD: 55237.000                            

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  241|    0     0     2    50   -67    24  -.17    9    8 |    -112    -822     21     96
        |                    -11    -3                       |
emr   90|    0     0     6   -60     0   -37   .44   18   18 |   -5717     745     48    139
        |                      7   -30                       |
esa  133|    3     1    -3  -107    26    25   .24    7    7 |   -1574    -989     20    114
        |                     37    36                       |
gfz  197|    0    -3    -5   -16  -188    13  -.12   11   11 |      62    -334     38    146
        |                     16   -39                       |
grg  107|   -1     0    10    -9  -209    34   .99   26   23 |      83    -736     67    236
        |                      1    92                       |
igr  n/a|    0     0    -1    16   -70    -9   .04    5    5 |  -13664    1132     28     82
        |                    -53    23                       |
jpl  130|   -2     0     6    -6    -8   -18   .49   19   19 |   -3271     616     33    124
        |                     -6    64                       |
mit  254|    0     0    -2    21  -118    -4  -.33   10    8 |  -16063    -570     23    148
        |                     -6    13                       |
ngs  217|   -1     0    -2    59   359   -66  -.15   12   10 |   19616  -13520   1992   3753
        |                     24  -124                       |
sio  261|   -1     1    10   146   156    27  -.11   16   15 |     ---     ---    ---    ---
        |                    -92  -108                       |

Table 2.1570.4   GPS week: 1570   Day: 4   MJD: 55238.000                            

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  241|    0     0     3    55  -103   -69  -.14    8    7 |    -468    -128     16     78
        |                     13    21                       |
emr   90|    2     0    10   -67   -23     6   .45   19   19 |   -5615     955     17     80
        |                     -3   -27                       |
esa  133|    1     1    -4  -142    -9    35   .22    8    8 |   -4520    5633     13    106
        |                     54    54                       |
gfz  197|   -1    -2    -8    -9  -118    20  -.10   12   12 |      32    -242     32    127
        |                    -16     7                       |
grg  107|    0     0     5    28  -210   -29  1.04   26   24 |     -97     287     61    185
        |                    -53   117                       |
igr  n/a|    0     0    -3    30   -83     0   .05    5    5 |  -13076    1686     20     57
        |                    -65    26                       |
jpl  130|    0     0     9    -5    -3     4   .56   21   19 |   -3327    1306     17    100
        |                     11   -39                       |
mit  254|    0     0    -2    11  -103    12  -.30   13    9 |  -16378     415     17    130
        |                      0    -4                       |
ngs  217|    0    -2    -4    70   292   -26  -.11   11    7 |     985   47179   2068   3717
        |                     14   -51                       |
sio  261|   -2     2    11   160   194    60  -.14   16   15 |     ---     ---    ---    ---
        |                    -99  -137                       |

Table 2.1570.5   GPS week: 1570   Day: 5   MJD: 55239.000                            

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  241|    0     0     3    40  -131    39  -.16    9    7 |    -421     -71     18     69
        |                     23    49                       |
emr   90|    1     0     8  -111   -50   -23   .48   20   20 |   -5610    1668     41    121
        |                     20   -26                       |
esa  133|    1     0    -2  -112   -46    14   .24    7    7 |   -3469    3699     20    106
        |                     26    65                       |
gfz  197|    0    -3    -7     0     6     6  -.13   12   12 |     331   -1040     35    104
        |                     10    27                       |
grg  107|   -1     0     5   -39  -313    31  1.06   29   29 |    -646     878     69    234
        |                     -1   260                       |
igr  n/a|    0     0    -4    12  -127    14  -.06    5    5 |  -12158    2468     23     77
        |                    -49    18                       |
jpl  130|    0    -3     9    -8    -1   -32   .58   19   19 |   -3234    2029     31    103
        |                     -2   -27                       |
mit  254|    0     1    -3    43  -108   -31  -.30   13   11 |  -17043    2640     23    110
        |                      1    -9                       |
ngs  217|    0    -1    -4    21   210   -23  -.16    9    7 |   19027  -12439   1967   3766
        |                     20     8                       |
sio  261|   -2     2     9   192   183    10  -.15   17   16 |     ---     ---    ---    ---
        |                   -114  -122                       |

Table 2.1570.6   GPS week: 1570   Day: 6   MJD: 55240.000                            

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  241|    0     0     2    61  -111   -62  -.22    8    7 |    -349    -396     17     77
        |                    -13    27                       |
emr   90|   -1    -1     5  -100   -68    15   .42   18   18 |   -4627    2415     17     69
        |                     16    27                       |
esa  133|    1     0    -2  -124    -1    17   .23    7    7 |   -1965    -557     16    110
        |                     28    85                       |
gfz  197|   -2    -2   -10    76   -57    42  -.09   15   15 |    -293     -79     32    140
        |                    -32    21                       |
grg  107|   -3     0     6   -32  -185     6   .98   27   24 |     142    -391     87    221
        |                      6   100                       |
igr  n/a|    0     0    -1    -7   -63    37  -.00    5    5 |  -10570    3125     19     62
        |                    -46    20                       |
jpl  130|    0    -1     8    -5    -1    30   .57   19   19 |   -2095    2534     18    111
        |                     46     8                       |
mit  254|    0     1    -3    38  -115    -5  -.33   12   10 |  -16616    1935     17    110
        |                      8    -7                       |
ngs  217|    0     0    -3     2   264     1  -.11   11    8 |   18618  -10451   2072   3728
        |                     -8   -13                       |
sio  261|   -2     2     9   183   151    23  -.13   18   16 |     ---     ---    ---    ---
        |                    -95  -120                       |

       
       
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 3.1570.0   GPS week: 1570   Day: 0   MJD: 55234.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |   15  ---  ---  ---  ---    8  ---   23   12  ---   12 |    17  ---  ---  ---  ---   14  ---   20   26  ---    17
   2  |    6   15    7   14   21    6   21   10    8   23    4 |    23   30   26   30   35   24   32   20   23   22    24
   3E |    9   19   12   14   41    6   16   24   15   44    7 |   100   97   93   96   77   96   88  107  100  105    97
   4  |    7   11    6    8   15    4   12   10    5    9    3 |    31   31   36   38   29   34   26   39   35   32    33
   5  |    8   21    6   10   33    6   21   12    9   28    5 |    22   34   27   28   42   26   34   19   23   26    23
   6E |   18   21    9   23   29    7   19   10   16   22    6 |   131  125  126  128  132  129   89  127  133  125   128
   7  |    7   22   10   10   23    4   21   11   10   18    4 |    18   28   20   21   35   20   25   20   21   22    18
   8  |    6   11    4    7   12    4   11    9    9   12    3 |    13   17   14   15   24   13   17   17   18   14    13
   9  |    9   13    7    7   18    3    9    8   14   17    4 |    21   25   20   19   33   18   24   19   23   18    19
  10  |    9   12    6    9   17    7   11   11   11   21    4 |    28   24   33   34   30   30   25   27   28   27    28
  11  |   12   19    7    8   33    4   22   15    9   17    4 |    25   34   32   32   44   27   32   31   30   23    27
  12  |    8   19    9   10   27    5   19   11    7   15    4 |    15   27   19   18   38   16   29   12   19   12    17
  13E |    8   17    5   11   26    5   22   10    5   10    4 |    45   45   46   47   58   45   43   43   40   45    43
  14E |    8   18   11   11   18    5   22   26   14   15    6 |    25   34   30   30   35   26   33   25   24   20    26
  15E |    8   16    8   10   17    4   24   15   11   16    4 |    23   29   28   27   36   27   31   21   25   22    23
  16  |   10   25    8   13   26    4   26   13   10   19    5 |    19   34   26   21   38   20   33   20   26   23    21
  17  |    8   22    9   10   25    4   22   12   11   15    4 |    35   37   36   36   50   35   39   39   37   37    35
  18  |    9   23   10   10   27    3   26    5    7   22    5 |    18   31   23   24   34   19   32   18   20   23    19
  19  |    9   27   10   12   31    6   24   10    9   15    5 |    36   46   46   43   51   41   45   40   44   38    41
  20  |    7   20    8   12   27    5   21   14    9   23    5 |    20   32   27   24   36   23   32   27   22   23    21
  21  |    7   16   11    8   21    5   20   14    6   25    5 |    24   27   28   27   35   24   27   25   24   26    24
  22  |    8   17    5   11   28    4   21    7    8   19    4 |    21   28   25   29   34   20   29   23   24   24    23
  23E |    7   19    6   12   26    5   26    7   10   13    4 |    17   30   23   20   28   18   27   22   23   17    18
  24  |    6   14   10    8   14    4   13   10    8   18    4 |    36   33   42   44   35   36   33   38   36   33    36
 X25  |   16   16   13  ---  ---   15  ---   14   26  ---    8 |    11   11    4  ---  ---   11  ---   15   22  ---    13
  26E |    8   29   12    9   21    5   21   13   19   31    6 |     8   17    5    8   11    9   15    5   10    5    10
  27  |    8   15    7    8   18    4   12   11   13   18    4 |    19   27   20   20   34   18   27   19   21   19    18
  28  |    7   19    8    9   24    4   20    9    8   14    4 |    13   26   14   15   33   15   23   16   16   14    13
 X29E |   10   25    7    8   20    4   21   11   10  ---    5 |    16   28   19   21   26   18   23   21   21  ---    19
  30  |    7   16    6    7   18    4   11   12    9   23    4 |    20   25   19   19   30   18   23   23   23   30    19
  31  |    6   18    6    7   25    4   20   15   15   16    4 |    34   41   38   35   51   34   32   41   35   32    34
  32  |    7   21    7    8   33    4   18   12   10   11    4 |    18   21   28   23   37   21   23   22   22   15    20
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   19    8   11   25    5   20   13   11   20      |T   28   34   31   32   40   28   33   30   31   30    28
 WRMS |    8   19    8   11   22    4   19   11    7   16      |NE  21   27   24   26   34   21   27   23   24   23    22
 MEDI |    8   19    8   10   24    4   21   11   10   18      |MD  21   30   27   27   35   21   29   22   23   23    21

Table 3.1570.1   GPS week: 1570   Day: 1   MJD: 55235.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |   21  ---  ---  ---  ---   11  ---   18   21  ---   14 |    23  ---  ---  ---  ---   17  ---   17   21  ---    16
   2  |    6   16    8   15   24    6   22    8    7   23    4 |    17   27   23   24   29   21   26   18   22   20    19
   3E |   13   18   10   11   33    8   17   21   20   30    6 |    93   86   86   92   79   90   84   97   95   90    91
   4  |    8   11    5    9   17    5   12   11    8   10    3 |    24   27   28   32   24   28   24   33   27   29    26
   5  |    7   20   13    9   35    6   23    9    9   23    5 |    16   30   26   20   40   20   31   13   18   20    18
   6E |   16   24   10   30   38   11   19   16   19   24    7 |    85   95   90   99   98   94   48   88   92   93    90
   7  |    8   22    8   11   24    5   19   13    8   18    4 |    18   29   20   22   39   19   27   19   20   18    18
   8  |    7   12    7    8   14    4   10    8    6   10    3 |    11   19   15   16   24   14   18   18   15   15    13
   9  |    6   11    8    6   19    5   12   10   10   14    3 |    17   22   18   15   29   18   24   16   18   15    15
  10  |    7   15    7   10   19    8   10    7   10   19    3 |    19   25   27   28   26   23   23   21   24   24    21
  11  |    5   20    9    9   31    5   23   13    8   16    4 |    18   30   23   24   40   20   30   24   22   21    19
  12  |    8   22    8   13   27    5   24   10    8   13    4 |    11   27   15   19   35   15   28   11   17   10    13
  13E |    7   15    6   11   26    6   21   11    9   13    4 |    35   40   39   42   38   39   38   43   39   40    37
  14E |    5   16    9   12   24    3   24   16   11    9    4 |    18   27   26   17   26   18   28   23   23   19    20
  15E |    6   17   11   11   22    5   21   11   14   14    4 |    20   23   22   25   30   18   25   23   19   20    17
  16  |    7   28    9   13   26    4   26   15   11   18    5 |    14   33   19   16   34   14   29   17   20   20    17
  17  |    7   22    9   10   20    5   21   12    8   16    4 |    45   53   49   48   58   49   50   47   45   46    47
  18  |    7   22    9    9   25    5   24    6    8   21    4 |    13   26   16   15   31   14   27   12   14   16    12
  19  |    6   28   10   11   25    6   23    7    8   11    4 |    31   43   43   41   43   35   41   37   41   34    37
  20  |    7   21    8   16   29    7   21   14   10   24    5 |    15   29   22   17   34   17   28   18   19   15    15
  21  |    7   17   12   11   27    6   22   13    8   24    5 |    16   23   20   22   29   17   25   18   18   20    17
  22  |    6   19   10   11   25    5   22   13    8   16    4 |    14   25   20   19   31   14   26   17   18   17    15
  23E |    6   21    8   12   24    4   26   13   11   13    5 |    14   24   21   19   24   16   26   17   19   15    14
  24  |    7   14    8    8   21    7   14   11    9   15    3 |    29   31   32   30   30   28   28   33   30   32    31
 X25  |   28  ---  ---  ---  ---   22  ---   17   27  ---   18 |    13  ---  ---  ---  ---   17  ---   16   22  ---    10
 X26E |    9  ---  ---   13  ---  215  ---  ---  ---  ---   11 |   226  ---  ---   11  --- 9999  ---  ---  ---  ---   238
  27  |    7   10    8    6   19    4   11    9   11   16    3 |    22   26   23   21   33   21   29   20   23   20    20
  28  |    7   24   12    8   27    4   18   10   10   14    4 |    12   30   15   13   34   14   23   15   16   14    13
 X29E |   11   25    6    7   21    6   22   10   10  ---    5 |    12   29   20   20   31   16   22   17   26  ---    19
  30  |    5   16    6   10   20    5   15   11    7   22    4 |    13   22   16   14   25   14   20   17   16   26    13
  31  |    6   22    8   13   28    6   22   12    7   15    4 |    35   46   36   37   49   35   35   37   36   26    36
  32  |    4   18    7    9   27    7   19    8    8   13    3 |    13   24   22   18   31   16   21   15   19   11    15
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   19    9   12   25    6   20   12   10   18      |T   30   33   28   27   37   25   30   26   27   26    31
 WRMS |    7   19    9   12   28    6   19   10    7   17      |NE  17   27   22   21   31   19   25   19   20   19    18
 MEDI |    7   19    8   11   25    5   21   11    9   16      |MD  17   27   22   20   31   18   27   18   21   20    18

Table 3.1570.2   GPS week: 1570   Day: 2   MJD: 55236.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |   27  ---  ---  ---  ---   22  ---   17   23  ---   16 |    28  ---  ---  ---  ---   26  ---   21   25  ---    17
   2  |    7   18    9   14   24    5   23   10    8   23    5 |    17   24   24   22   30   18   24   18   22   20    19
   3E |   17   18    9   15   37   10   18   24   16   20    6 |    95   86   88   99   79   89   84   95   96   87    92
   4  |    9   12    4    9   17    4   13   10    7    8    3 |    27   25   28   30   25   26   22   31   31   26    27
   5  |    6   18    9   11   33    5   24   10    7   19    4 |    14   26   21   19   38   15   31   13   18   18    18
   6E |    9   15   11   17   28    7   17   21   20   35    7 |    75   73   73   78   76   75   60   71   80   71    73
   7  |    6   22    7   14   26    6   20   12    7   16    4 |    15   27   20   25   37   16   26   18   18   19    17
   8  |    6   13    7    9   16    6   12    7    6    9    3 |    12   19   16   19   24   12   19   16   17   15    14
   9  |    7   11    9   10   18    4   12    8    7    9    3 |    20   22   19   16   29   14   19   16   19   14    17
  10  |    5   14    6    6   18    5   12    7    7   16    3 |    18   17   24   25   21   20   18   19   25   19    19
  11  |    5   19    8    8   35    5   22   11   10   16    4 |    22   29   27   27   42   22   31   25   28   17    23
  12  |   12   21    9   15   29    5   26   12   11   15    5 |    14   28   16   20   36   11   29   10   24   10    16
  13E |    9   16    5   11   27    6   23   11   10   13    4 |    35   38   36   38   46   36   38   35   37   35    36
  14E |    7   14    7    8   19    4   24   11    9    6    4 |    18   23   23   19   30   18   28   17   25   17    20
  15E |    8   23    9   10   21    6   25   11   11   13    5 |    17   24   20   21   30   14   24   18   20   16    16
  16  |    7   24    7    8   28    5   25   15   10   19    5 |    17   30   21   18   34   16   31   18   23   20    21
  17E |   17   19   11   11   59    7   18   14   11   13    5 |    85   84   88   84  105   79   90   87   84   85    85
  18  |    7   20    8   11   25    5   21    7    6   21    4 |    15   26   19   19   31   14   27   14   17   18    17
  19  |    6   26   10    8   35    5   20   10    8   12    4 |    33   41   40   32   43   36   41   37   37   35    37
  20  |    8   22   11   13   30    7   22   14   10   25    5 |    19   27   24   24   34   20   30   21   25   18    19
  21  |    8   18   25   10   28    5   20   12   11   24    6 |    20   25   38   22   32   18   25   19   21   21    22
  22  |    8   16    7   14   25    4   21   10    7   15    4 |    18   25   22   25   31   17   27   19   22   19    20
  23E |    8   20    7   14   45    5   27   12    9   13    5 |    16   26   20   18   52   15   24   16   20   12    17
  24  |    7   14    7    7   21    4   15   10    7   14    3 |    22   23   29   25   28   23   24   24   28   26    26
 X26E |    7  ---  ---  ---  ---   63  ---  ---  ---  ---    0 |    43  ---  ---  ---  ---   31  ---  ---  ---  ---    46
  27  |    8   13    9   10   18    4   11    6    7   12    3 |    24   25   22   17   32   17   24   19   21   22    21
  28  |    7   22    8   12   25    6   20   10    9   15    4 |    13   27   14   17   32   12   23   14   19   11    14
 X29E |   10   23    8    7   18    4   22   12    8  ---    5 |    29   33   25   31   32   25   30   30   29  ---    27
  30  |    6   15    9    8   19    3   15   10   10   20    4 |    15   19   18   17   26   13   19   15   20   24    15
  31  |    7   21    8    7   27    8   22   12   10   14    4 |    27   34   27   22   40   25   40   23   27   34    25
  32  |    7   17    9    7   26    5   17    8   10   14    4 |    15   18   24   21   32   17   22   16   23   12    18
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   18    9   11   29    6   20   12   10   17      |T   27   31   29   29   38   25   32   26   30   26    27
 WRMS |    7   18    9   11   23    5   19   10    7   15      |NE  18   24   22   21   30   17   25   18   22   19    19
 MEDI |    7   18    8   10   26    5   20   11    9   15      |MD  19   26   24   22   32   18   27   19   23   19    20

Table 3.1570.3   GPS week: 1570   Day: 3   MJD: 55237.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |   21  ---  ---  ---  ---   18  ---   20   18  ---   14 |    23  ---  ---  ---  ---   20  ---   24   23  ---    20
   2  |    7   16    7   16   25    4   21    7   11   24    5 |    20   30   24   29   32   25   32   24   28   24    24
   3E |   16   20    6   16   44    6   19   22   19   14    6 |    88   85   83   93   74   85   79   90   90   79    86
   4  |    8   10    5   13   17    5    8    6    8    8    3 |    28   30   33   38   27   32   30   34   34   28    31
   5  |    7   17    8    8   26    5   21   10    9   17    4 |    24   35   30   29   38   27   36   24   25   26    26
   6E |   11   15    7   22   39    5   17   21   22   34    7 |    87   96   94   89   94   90   72   94   91   95    91
   7  |   10   20    8   10   23    5   18   15   13   16    5 |    18   31   25   23   39   22   30   25   26   23    22
   8  |    8   12    5    8   13    4   12    5   10    8    3 |    15   24   20   20   28   17   24   20   21   19    18
   9  |    5   11    6    8   19    3    8    7   12    9    3 |    21   27   27   24   33   23   27   22   28   21    24
  10  |    7   13    6    9   20    4   12    5   10   12    3 |    29   31   32   35   28   31   32   31   29   26    30
  11  |   11   19    6    7   33    6   19    9   11   12    4 |    22   31   29   30   40   25   31   27   35   18    25
  12  |    7   18    8   12   26    5   24    9   13   15    4 |    15   30   20   25   38   21   34   19   28   19    20
  13E |    9   16    7    7   25    5   21   10    9   11    4 |    26   30   27   30   41   25   31   28   30   28    26
  14E |    7   16    6    9   17    2   19   10   18    9    4 |    23   33   31   22   25   27   34   25   38   24    27
  15E |    7   24    9   14   19    5   20    7   12   10    4 |    19   29   23   30   28   22   28   22   23   22    21
  16  |    8   19   10    9   26    6   24   12   16   18    5 |    20   33   31   23   33   22   34   26   27   25    25
  17E |   11   23    9   12   21    5   19   11   14   11    5 |    42   55   51   49   55   49   53   45   46   50    47
  18  |    6   17    6    7   23    5   20    6   11   20    4 |    19   30   24   21   31   23   32   21   24   24    22
  19  |    7   27   11   11   43    6   21   11   13   12    5 |    32   43   40   35   45   36   43   33   44   31    36
  20  |    9   18   10   15   29    7   21   11   10   23    5 |    19   31   28   27   39   24   35   25   30   23    23
  21  |   13   19    8   10   24    5   23    8   11   23    5 |    22   29   25   24   31   21   29   22   23   23    22
  22  |    6   16    7    9   23    4   20   11   11   14    4 |    21   27   28   26   31   22   31   24   27   24    24
  23E |    6   22    8   10   25    6   26    8    9   12    4 |    21   32   25   23   34   22   33   23   27   21    22
  24  |    6   14    5    8   21    4   13    5    8   13    3 |    31   33   36   33   34   33   35   35   37   33    34
 X26E |   15   24    8   11   22    8   18   30   29  ---    8 |    21   23   16   17   25   26   25   29   31  ---    25
  27  |    5   12    6    9   18    3    9    7   13    8    3 |    24   33   28   29   36   26   33   24   32   25    26
  28  |    8   22    9    7   26    4   19   10    8   12    4 |    15   30   21   24   34   19   31   21   24   18    19
 X29E |    8   28    7    9   22    4   23    9   11  ---    5 |    20   34   22   24   32   22   29   22   25  ---    22
  30  |    5   15    8    5   21    3   11    9   14   21    4 |    21   25   22   24   30   20   25   22   27   29    21
 X31  |   12   20    9   10   37    8  ---   12   13  ---    5 |    68   76   70   65   72   72  ---   68   71  ---    69
  32  |   10   17    6    7   25    5   18    8   11   15    4 |    18   26   28   26   36   23   26   23   32   21    23
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   18    7   11   26    5   19   10   12   16      |T   28   36   33   32   38   30   34   31   34   29    30
 WRMS |    8   18    7   11   23    5   19    8   10   15      |NE  24   32   29   29   35   26   30   27   30   24    26
 MEDI |    8   17    7    9   23    5   19    9   11   13      |MD  21   31   28   26   34   24   32   24   28   24    24

Table 3.1570.4   GPS week: 1570   Day: 4   MJD: 55238.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |   24  ---  ---  ---  ---   32  ---   19   40  ---   19 |    21  ---  ---  ---  ---   41  ---   21   52  ---    23
   2  |    8   19    6   14   27    8   22    7   13   22    5 |    16   25   18   21   31   18   28   18   23   19    17
   3E |   16   21    5   14   41    6   19   23   22   21    6 |    91   89   85   87   85   87   84   92   96   83    88
   4  |    6    9    4    8   17    6    9    8    7    7    2 |    29   26   30   34   25   30   23   32   31   29    29
  X5  |    7   18    9   12   34    6   23    8   11  ---    4 |    18   28   21   26   41   22   33   17   22  ---    19
  X6E |   17   15   10   13   41    4  ---   20   17   29    7 |    76   84   86   79   74   82  ---   89   89   84    82
   7  |    6   22    8    9   23    5   24   18   10   17    5 |    16   27   19   16   34   14   28   21   15   16    14
   8  |    5   11    5   10   16    5   12    6    8   11    3 |    15   17   15   12   24   11   20   13   14   14    10
   9  |    6   14    6    7   18    5   11    7   11    9    3 |    19   21   14   18   32   18   20   18   19   17    15
  10  |    4   15    6   12   24    6   13    4   11   15    3 |    22   23   26   30   29   27   24   22   26   22    23
  11  |    6   21    6    7   38    5   25    8   14   12    4 |    21   30   27   24   41   23   33   24   25   18    22
  12  |    9   20    7   12   27    6   24    8   10   14    4 |    13   25   14   18   36   14   29   15   17   17    14
  13E |    5   17    8   10   24    6   21   12   11   11    4 |    28   34   30   28   42   27   35   31   28   26    27
  14E |    7   17    7    9   22    4   23    9   12   10    4 |    18   25   17   20   26   18   23   19   26   17    17
  15E |    8   20    9   15   16    6   19    9    9   12    4 |    16   23   21   25   28   19   21   18   17   18    15
  16  |    6   23   10   10   27    4   28   13   17   18    5 |    16   30   22   13   35   16   32   18   17   19    16
  17E |    6   21    8   24   25    5   19   11   12   10    5 |    28   40   29   38   38   29   37   31   25   32    28
  18  |    8   19    7   12   22    4   22    7    6   20    4 |    14   24   19   22   32   16   27   18   15   19    15
  19  |   17   23   14   12   45    7   24   33   13   25    7 |    65   68   68   71   73   65   71   80   62   71    66
  20  |    7   21    7   12   32    3   22   10    8   24    5 |    18   27   22   23   34   18   28   20   19   17    17
  21  |    7   18    7    9   23    3   25    6    6   23    4 |    19   27   20   27   31   21   28   22   20   24    20
  22  |    7   18    7   11   25    4   24    6    7   14    4 |    16   26   20   22   35   16   28   19   17   20    17
  23E |    5   23   10   16   28    5   28    7   10   12    5 |    19   29   23   24   34   18   29   19   23   16    18
  24  |    6   14    5    9   19    4   14    6    7   13    3 |    25   28   31   34   31   29   26   31   29   28    27
 X25  |    8  ---  ---  ---  ---  ---  ---  ---  ---  ---    0 |   153  ---  ---  ---  ---  ---  ---  ---  ---  ---  9999
  26E |   15   20   11   11   23    4   19   30   21   18    7 |    18   21   15   14   19   17   23   31   21   15    21
  27  |    6   14    5    7   17    5   12    6   11    9    3 |    17   22   15   18   33   17   22   15   18   15    14
  28  |    5   19    7   10   25    5   20   10    9   13    4 |    18   25   20   20   33   16   25   19   20   13    15
 X29E |    6   23    9   14   20    4   20   10    8  ---    5 |    24   35   27   27   32   25   33   24   23  ---    25
  30  |    6   15    9    9   18    5   11    7    7   20    4 |    20   24   16   16   27   18   22   18   19   24    17
 X31  |    8   21    7   11   28    5  ---    8    9  ---    4 |    35   44   42   44   52   39  ---   38   35  ---    37
  32  |    7   19    9   10   24    3   24    6    8   15    4 |    17   22   22   20   31   18   22   18   18   11    17
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   19    8   12   26    5   21   13   11   16      |T   29   32   27   29   37   26   30   28   28   26    25
 WRMS |    7   19    8   12   24    5   19    9    7   15      |NE  26   25   21   23   32   21   25   20   22   19    19
 MEDI |    7   19    7   11   24    5   21    8   10   14      |MD  19   26   21   23   33   18   28   20   22   19    18

Table 3.1570.5   GPS week: 1570   Day: 5   MJD: 55239.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |   23  ---  ---  ---  ---   40  ---   29   23  ---   17 |    21  ---  ---  ---  ---   31  ---   22   29  ---    15
   2  |    7   22    6   16   34    6   24   12    9   24    5 |    17   26   14   20   29   18   27   18   18   17    13
   3E |   19   25    8   17   39    7   21   26   20   25    7 |    91   90   83   91   76   86   80   89   93   85    87
   4  |    9   12    4    9   23    5   11   10    6   10    3 |    31   29   31   32   28   34   27   34   32   30    29
   5  |    6   20    8    9   35    3   22   12    8   24    4 |    17   29   21   21   39   19   29   18   21   26    17
  X6E |   20   19    7   20   41    9  ---   18   11   21    6 |   121  115  108  115  115  111  ---  109  112  107   113
   7  |    6   23    9    6   28    8   22   18    9   17    5 |    13   28   17   13   36   16   29   19   14   17    13
   8  |    5   14    5    6   16    4   11    7    5   14    3 |    14   22   16   12   26   14   23   16   13   19    12
   9  |    5   15    6    9   20    4   11   10    5   10    3 |    22   23   19   20   30   21   24   23   18   21    18
  10  |    4   18    5    8   25    4   11    8    6   17    3 |    24   24   24   20   23   25   22   24   25   21    20
  11  |   11   20    6    7   31    6   21    8   10   16    4 |    16   33   22   21   42   21   30   19   18   16    18
  12  |    9   21    7   10   33    5   20   14    6   17    4 |    11   24   16   13   38   12   25   14   12   15    11
  13E |    6   17    8   11   27    6   21   13   11   11    4 |    22   30   25   25   35   24   29   26   24   23    21
  14E |    7   16    6   11   22    6   17   10   10   10    4 |    12   22   19   19   29   17   23   22   21   19    17
  15E |    9   23    7   16   23    5   21   11    9   10    4 |    11   24   17   19   31   14   21   21   16   19    13
  16  |    5   26    5   10   26    6   25   16    8   16    5 |    15   27   16   16   31   13   29   16   11   18    14
  17E |    6   21    7   18   38    6   20   13    7   11    4 |    21   30   25   23   39   20   32   22   18   23    20
  18  |    7   20    6   10   25    5   21    8    6   21    4 |    13   27   17   18   30   15   28   17   14   17    14
  19E |   14   25    8   15   63    5   25   24   10   21    6 |    30   38   39   37   60   35   40   43   32   35    33
  20  |    9   20    7   15   33    5   22   11    8   23    5 |    17   27   20   20   34   16   29   18   17   17    15
  21  |    6   19    9   10   27    6   22    9    8   25    4 |    16   25   22   18   28   22   25   20   18   24    17
  22  |    7   18    6   12   27    5   21    9    7   19    4 |    17   26   19   21   33   17   27   20   20   19    17
  23E |    7   23    9   12   25    7   27   16    8   14    5 |    15   30   20   19   33   17   29   23   20   19    17
  24  |    6   14    9   10   22    5   13   12    7   12    3 |    36   41   45   36   40   40   42   40   39   41    38
 X25  |    9  ---  ---  ---  --- 6495  ---  ---  ---  ---    0 |   179  ---  ---  ---  --- 9999  ---  ---  ---  ---  9999
  26E |   17   21    6   16   19    6   16   20   13   16    5 |    12   21   12   18   19   14   22   21   19   15    17
  27  |    5   15    4    7   24    3   11    8    6    8    2 |    28   29   24   25   34   25   29   26   24   23    23
  28  |    7   18    7    9   25    4   20   13    9   15    4 |    14   26   18   12   35   16   26   18   16   12    13
 X29E |    9   24    7   11   32    8   24   10    9  ---    5 |    19   32   24   20   32   21   30   20   20  ---    19
  30  |    6   19    5   11   24    4   13    9    5   21    4 |    16   25   18   17   28   18   25   18   15   25    16
  31  |    6   22    9   12   29    6   23    7   10   15    4 |    51   53   49   48   55   49   29   47   45   20    47
  32  |   10   17    9   10   23    5   18   14    8   15    4 |    16   21   18   19   27   14   20   17   15   12    13
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   20    7   12   29    5   19   13    9   17      |T   29   33   27   26   37   26   29   27   26   26    24
 WRMS |    7   20    7   12   29    5   19   11    7   16      |NE  29   28   22   21   32   22   27   22   21   21    19
 MEDI |    7   20    7   10   26    5   21   12    8   16      |MD  17   27   20   20   33   19   28   21   19   19    17

Table 3.1570.6   GPS week: 1570   Day: 6   MJD: 55240.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
  X1  |   27  ---  ---  ---  ---   41  ---   18   35  ---   19 |    29  ---  ---  ---  ---   41  ---   21   34  ---    19
   2  |    8   20    7   20   28    5   22   10   10   23    5 |    21   28   21   26   31   23   30   23   26   25    21
   3E |   16   21    8   21   39    6   23   28   27   35    8 |    94   90   88   94   78   90   85   97  100   91    91
   4  |    7   11    4   16   23    3    9   10    9   11    3 |    33   31   35   44   31   34   32   35   38   31    34
   5  |    8   17   10   10   31    3   20   11    9   27    5 |    20   30   28   26   37   24   31   23   23   28    22
   6E |   19   19    5   20   33   11   17   22   18   25    6 |    87   92   91   90   81   88   60   85   89   78    88
   7  |    7   22    7   11   26    5   19   18   11   17    5 |    17   29   18   18   38   17   28   22   17   22    17
   8  |    5   15    4    9   20    4   11    9    8   12    3 |    14   21   15   15   22   15   22   18   18   19    15
   9  |    7   12    5   15   17    2   12    8    9    8    3 |    22   23   22   22   29   21   24   22   21   18    20
  10  |    4   14    5   14   20    2   11    6    7   20    3 |    27   25   28   35   24   29   25   29   30   25    26
  11M |   10   17   10   13   37    5   19   10   12   15    4 |    26   38   33   33   47   30   35   33   36   26    30
  12  |    8   19    5   13   27    6   20   11    9   14    4 |    17   28   18   21   37   17   29   16   19   16    17
  13E |    5   15    6   15   29    6   20    9   11   12    4 |    26   29   29   33   45   26   31   27   29   28    27
  14E |    7   13    5   14   22    4   20   12    8    8    4 |    21   29   27   28   33   26   29   24   33   23    25
  15E |    8   22    9   14   22    6   18   10    8   11    4 |    18   26   25   28   33   21   23   23   21   22    19
  16  |    6   25    9   16   25    5   24   12   10   20    5 |    20   36   25   20   33   22   34   21   22   29    23
  17E |    8   18    7   19   23    4   18   13   13   10    4 |    40   48   39   41   56   38   48   39   40   43    39
  18  |    6   19    7   13   22    4   22    6    7   21    4 |    19   26   23   26   32   19   29   20   20   22    20
  19E |    8   20   10   28   46    6   19   15   11   13    5 |    39   48   47   57   62   45   46   46   43   48    45
  20M |    7   18    6   15   31    5   22   11    8   24    5 |    20   28   27   27   35   23   31   26   27   23    23
  21  |   10   18    7   12   22    4   22   10    9   26    5 |    23   30   27   29   33   25   29   28   27   30    25
  22  |    7   17    5   13   23    6   21    7    9   18    4 |    22   27   25   28   32   21   28   24   24   25    23
  23E |    6   23    8   16   24    5   26   14   11   11    5 |    18   29   22   23   31   19   28   24   24   20    20
  24  |    9   16    5   10   21    5   15    6    8   13    3 |    37   39   42   42   40   40   37   36   39   36    38
 X25  |    9  ---  ---  ---  --- 2081  ---  ---  ---  ---    0 |   184  ---  ---  ---  --- 9999  ---  ---  ---  ---  9999
 X26E |   14  ---    5   15   21    7   19   20   16   14    6 |    20  ---   18   16   26   23   22   21   22   14    24
  27  |    6   12    5   15   18    2   12    7   11    8    3 |    23   26   24   27   32   23   29   22   23   22    22
  28M |    8   22   10   13   25    4   21   10   12   13    5 |    13   29   16   16   32   14   29   18   16   13    13
 X29E |    8   27    7   16   30    5   25    9   11  ---    5 |    26   39   28   30   39   27   34   25   29  ---    27
  30  |    7   14    6   11   20    7   13    8    9   22    4 |    23   26   25   23   27   21   24   22   24   27    21
  31  |    4   20   11   11   30    3   22   10    7   19    4 |    43   49   44   46   55   46   33   46   47   28    45
  32  |    8   17    9   10   22    5   17   11    7   15    4 |    18   24   28   28   30   23   24   26   24   18    22
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   18    7   15   27    5   19   12   11   18      |T   33   35   31   33   38   30   32   30   31   29    29
 WRMS |    7   18    7   15   24    5   19   10    8   16      |NE  32   29   26   28   33   25   28   25   26   24    23
 MEDI |    8   18    7   14   23    5   19   10    9   15      |MD  22   29   27   28   33   23   29   24   26   25    23



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 4.1570   GPS week: 1570   MJD: 55234.0-55240.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2966 |U    6     6    18 |U   15    17    39 |U    7     8    17 |
emr | emr 2838 |     9    11    26 |U   18    17    47 |     9     8    20 |
esa | esa 2866 |     7     7    19 |U   15    16    41 |     9     8    20 |
gfz | gfz 2811 |U   10    13    30 |U   17    20    70 |    11    13    25 |
grg | grg 2852 |     9     8    21 |U   15    18    49 |    13    11    23 |
igr | igr 2807 |     9     9    23 |    15    17    48 |     8     9    19 |
igs | igs 2802 |     8     8    22 |    15    16    43 |     8     8    17 |
jpl | jpl 2784 |U   10    11    28 |U   16    18    50 |U    8     7    19 |
mit | mit 2962 |U    9     9    23 |U   18    16    52 |U    8     9    18 |



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 5.1570.0   GPS week: 1570   Day: 0   MJD: 55234.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3058 |     6     4    21 |  ----  ----  ---- |     6     8    18 |
emr | emr 2950 |     7    12    24 |  ----  ----  ---- |     8     7    13 |
esa | esa 2976 |     6     6    22 |  ----  ----  ---- |     7     7    17 |
gfz | gfz 2837 |    10    19    38 |  ----  ----  ---- |     9     9    19 |
grg | grg 2880 |     8     7    23 |  ----  ----  ---- |     8     9    20 |
igr | igr 2918 |     6     6    17 |  ----  ----  ---- |     6     7    15 |
igs | igs 2905 |     6     6    17 |  ----  ----  ---- |     6     7    16 |
jpl | jpl 2869 |     7    10    16 |  ----  ----  ---- |     7     8    17 |
mit | mit 3072 |     6     7    22 |  ----  ----  ---- |     8     9    17 |

Table 5.1570.1   GPS week: 1570   Day: 1   MJD: 55235.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2863 |     8     8    19 |    22    29    41 |     8     7    19 |
emr | emr 2776 |     8     7    19 |    24    28    48 |     7     7    19 |
esa | esa 2784 |     8     6    18 |    21    26    46 |     8     6    16 |
gfz | gfz 2746 |     8    11    23 |    20    27    60 |    10    11    24 |
grg | grg 2784 |    12     8    21 |    24    27    52 |    11     9    23 |
igr | igr 2760 |     7     6    16 |    22    25    54 |     7     7    17 |
igs | igs 2764 |     7     6    17 |    21    23    49 |     8     8    15 |
jpl | jpl 2775 |     8     6    18 |    24    29    47 |     9     7    20 |
mit | mit 2880 |     8     6    19 |    24    28    82 |     8     8    14 |

Table 5.1570.2   GPS week: 1570   Day: 2   MJD: 55236.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2957 |     6     6    15 |    14    19    36 |     7    11    15 |
emr | emr 2776 |     8    11    19 |    16    20    47 |     8     7    24 |
esa | esa 2784 |     6     7    16 |    15    17    36 |    14    17    34 |
gfz | gfz 2762 |     8    12    18 |    18    22    67 |     9    13    22 |
grg | grg 2784 |     9     7    16 |    14    21    43 |    14    11    21 |
igr | igr 2783 |     6     7    15 |    15    19    36 |     8     9    14 |
igs | igs 2694 |     6     7    15 |    16    19    34 |     8     7    11 |
jpl | jpl 2771 |     8     9    16 |    18    21    39 |     8     9    15 |
mit | mit 2880 |     6     5    16 |    19    18    45 |     6     9    14 |

Table 5.1570.3   GPS week: 1570   Day: 3   MJD: 55237.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2950 |     6     4    16 |    11    12    30 |     7     8    14 |
emr | emr 2859 |     9    11    27 |    22    12    52 |    10     8    14 |
esa | esa 2880 |     6     5    19 |    11    12    30 |     7     6    14 |
gfz | gfz 2847 |     8    11    25 |    16    19    85 |    13    18    30 |
grg | grg 2880 |     7     6    18 |    11    12    37 |    14    11    18 |
igr | igr 2822 |    13    11    31 |    14    17    62 |    11    10    26 |
igs | igs 2792 |     7     5    24 |    13    13    41 |     9     9    15 |
jpl | jpl 2767 |    10    11    29 |    15    16    56 |     8     6    16 |
mit | mit 2976 |     6     8    15 |    16    12    44 |     8     8    17 |

Table 5.1570.4   GPS week: 1570   Day: 4   MJD: 55238.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2954 |     5     8    13 |    12    13    35 |     7     9    15 |
emr | emr 2868 |    12    15    32 |    15    13    43 |    12    10    18 |
esa | esa 2880 |     6     6    14 |    12    12    39 |     8     9    16 |
gfz | gfz 2825 |    16    11    31 |    13    19    57 |    11    11    27 |
grg | grg 2880 |     8     7    16 |    11    16    50 |    15    12    22 |
igr | igr 2826 |    10    13    28 |    13    13    38 |    11    13    20 |
igs | igs 2874 |    10    13    28 |    11    12    32 |     9     8    15 |
jpl | jpl 2677 |    17    18    41 |    13    12    41 |    10    10    18 |
mit | mit 2976 |    19    14    26 |    18    11    53 |     9    11    21 |

Table 5.1570.5   GPS week: 1570   Day: 5   MJD: 55239.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2993 |     7     7    21 |    10     7    36 |     8     8    20 |
emr | emr 2867 |    11    14    32 |    14    10    35 |    11     8    26 |
esa | esa 2880 |     8    10    21 |    11     8    38 |     9     7    23 |
gfz | gfz 2820 |     9    14    31 |    13    12    71 |    11    16    29 |
grg | grg 2880 |    10    13    25 |    11    11    48 |    16    13    27 |
igr | igr 2713 |     9    10    26 |    10     9    47 |     9     8    23 |
igs | igs 2766 |    10    13    29 |    11     8    46 |     9     8    22 |
jpl | jpl 2771 |     9    12    34 |    10    10    36 |     8     6    24 |
mit | mit 2976 |    10    13    35 |    16     7    40 |     9     9    20 |

Table 5.1570.6   GPS week: 1570   Day: 6   MJD: 55240.0

CENT| CLK EPO  |        BRUS       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2993 |     7     6    22 |    18    24    59 |     6     4    17 |
emr | emr 2776 |    11     7    28 |    18    21    55 |    10    10    26 |
esa | esa 2880 |     7     8    24 |    22    21    57 |     7     6    21 |
gfz | gfz 2842 |    10    12    42 |    20    23    80 |    11    11    27 |
grg | grg 2880 |     8     8    25 |    22    19    65 |    15    14    30 |
igr | igr 2827 |     8    10    31 |    18    19    49 |     7     6    22 |
igs | igs 2824 |     7     6    23 |    19    21    56 |     8     6    21 |
jpl | jpl 2863 |    10    12    39 |    16    19    84 |     7     5    21 |
mit | mit 2976 |     8    12    31 |    18    22    47 |     8     9    23 |


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

Table 6.1570   GPS week: 1570   MJD: 55234.500-55240.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |     -22      -2      63      21      1 |       3     18
            |      15      23      91      84      9 |       4
emr   uuuuu |     -13     -10     132      30     -1 |      20     26
            |      38      10      85      44      3 |       3
esa   uuuuu |     -67     -26     114     -21     -2 |      -3     18
            |      11      15      72      87      7 |       3
gfz   uuuuu |       4      11     -18    -116     -2 |       9     19
            |      20      20      52      80      4 |       3
grg   --xxx |      --      --     332     -78      7 |       9     28
            |      --      --     173     148     24 |       2
igr   xxxxx |     -13      58      74      11      1 |      -1     15
            |      21      18      72      41      5 |       2
irf   xxxxx |      -6       8     -73      -4    -18 |       7     24
            |      13       6      38      30      5 |       4
jpl   uuuuu |       6     -16      79     131     22 |     -12     25
            |      44      34     146      42     16 |       5
mit   uuuuu |      -6      15    -186      63    -20 |      14     29
            |      19      18      60      62      5 |       4
ngs   uuuuu |      40     -29     -19     -10      3 |      -7     15
            |      39      37      78     127      5 |       3
sio   uuuuu |     118     104    -112     -29    -22 |      33     42
            |      19       9      77      67      6 |       5


Table 7.1570.0   GPS week: 1570   Day: 0   MJD: 55234.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |       1      34     129     139      2 |       0     19
emr   uuuuu |     -81     -19      82     -33     -2 |      17     26
esa   uuuuu |     -63     -23     161      51     12 |      -7     21
gfz   uuuuu |      31      40      12     -24     -1 |       6     21
grg   --xxx |      --      --      34    -109     18 |       9     32
igr   xxxxx |      13      85     105      64     -5 |      -2     17
irf   xxxxx |     -11      20     -62       6    -14 |       7     27
jpl   uuuuu |      21      16      -1      61     -8 |     -17     26
mit   uuuuu |     -20      45    -160     -21    -15 |      13     32
ngs   uuuuu |      52    -100     -58     -39      4 |     -10     18
sio   uuuuu |     120     118    -131      -9    -15 |      31     44

Table 7.1570.1   GPS week: 1570   Day: 1   MJD: 55235.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |     -19     -14       9      71      3 |      -1     18
emr   uuuuu |     -31     -18     204      67      3 |      16     24
esa   uuuuu |     -65       2      29    -171      1 |      -7     21
gfz   uuuuu |       5       4      -5     -91      3 |       5     20
grg   --xxx |      --      --     287      44    -18 |      12     34
igr   xxxxx |       7      29     194      50     -6 |      -3     17
irf   xxxxx |      -1      10     -97      26    -18 |       6     26
jpl   uuuuu |      52     -18     176     112     22 |     -19     26
mit   uuuuu |       0      23    -214      69    -19 |      12     32
ngs   uuuuu |      -5     -58      94      78     -6 |     -11     18
sio   uuuuu |     136      97    -199      92    -17 |      30     43

Table 7.1570.2   GPS week: 1570   Day: 2   MJD: 55236.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |     -31     -32      51     -24     14 |       2     19
emr   uuuuu |     -25      -4     162      -1     -1 |      19     26
esa   uuuuu |     -87     -26      91      80     -6 |      -3     20
gfz   uuuuu |      18      -3      60    -105     -2 |       9     21
grg   --xxx |      --      --     261     -75    -24 |      12     34
igr   xxxxx |     -13      69      -3     -20      1 |      -1     16
irf   xxxxx |     -20      13    -138     -28    -19 |       8     25
jpl   uuuuu |     -12     -77     241     195     21 |     -16     26
mit   uuuuu |     -17      30    -292       1    -19 |      15     31
ngs   uuuuu |      66     -11      50     -65      5 |     -10     17
sio   uuuuu |      94     102    -222     -19    -19 |      34     44

Table 7.1570.3   GPS week: 1570   Day: 3   MJD: 55237.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |     -16      16      65     -15      3 |       7     20
emr   uuuuu |      11      -2      50     -10     -3 |      23     28
esa   uuuuu |     -55     -32     181      38      0 |       0     18
gfz   uuuuu |      20     -11     -21     -28     -7 |      12     21
grg   --xxx |      --      --     488     111     -5 |       5     27
igr   xxxxx |     -42      58      16      22      3 |       2     16
irf   xxxxx |     -19       5     -49      19    -23 |      11     24
jpl   uuuuu |     -83      11     107     125     15 |     -12     26
mit   uuuuu |     -32      11    -153     105    -25 |      19     30
ngs   uuuuu |     105     -19    -137    -194      8 |      -6     15
sio   uuuuu |      89      97     -75     -95    -26 |      38     45

Table 7.1570.4   GPS week: 1570   Day: 4   MJD: 55238.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |     -34      -9     129     -33     -5 |       9     20
emr   uuuuu |      14       7      24      81     -3 |      26     28
esa   uuuuu |     -67     -50     217     -73    -11 |       2     16
gfz   uuuuu |     -20      20     -82    -126     -7 |      14     21
grg   --xxx |      --      --     277    -100     14 |      10     23
igr   xxxxx |     -39      69      12      24      2 |       3     16
irf   xxxxx |     -13       4     -19     -49    -24 |      12     23
jpl   uuuuu |      26      -7    -206     117     36 |      -9     24
mit   uuuuu |      -9       4    -104      52    -28 |      21     29
ngs   uuuuu |      38     -10     -53     139      8 |      -3     12
sio   uuuuu |     124     103     -23     -98    -30 |      40     45

Table 7.1570.5   GPS week: 1570   Day: 5   MJD: 55239.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |     -43     -20     165     102      7 |       4     17
emr   uuuuu |      32     -17     260      51     -1 |      22     25
esa   uuuuu |     -59     -23      83     -53     -4 |      -3     15
gfz   uuuuu |     -21      -7       0    -210      0 |       9     16
grg   --xxx |      --      --     426    -359     24 |       8     22
igr   xxxxx |     -12      52     127     -53      5 |       0     13
irf   xxxxx |       6       3     -83     -25    -18 |       5     21
jpl   uuuuu |      33       5     100     156     39 |      -8     25
mit   uuuuu |      15       2    -213      67    -24 |      14     26
ngs   uuuuu |      -2     -17     -50     125      1 |      -5     13
sio   uuuuu |     128     117     -97     -74    -29 |      33     40

Table 7.1570.6   GPS week: 1570   Day: 6   MJD: 55240.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |     -12      14    -103     -94    -14 |       3     16
emr   uuuuu |     -12     -15     142      54      2 |      20     23
esa   uuuuu |     -70     -27      39     -15     -4 |      -5     16
gfz   uuuuu |      -6      33     -87    -227     -3 |       7     14
grg   --xxx |      --      --     551     -54     43 |       7     20
igr   xxxxx |      -5      47      71     -11     10 |      -3     12
irf   xxxxx |      15       1     -61      21     -9 |      -1     19
jpl   uuuuu |       7     -45     134     155     32 |      -5     25
mit   uuuuu |      22      -7    -163     166    -13 |       7     23
ngs   uuuuu |      28       9      22    -115      3 |      -7     13
sio   uuuuu |     135      96     -33       1    -19 |      27     36



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