[IGSREPORT-21085] Wk 1699 IGS Final Orbits

IGS ACC igs.acc at noaa.gov
Fri Aug 17 15:00:09 PDT 2012


Author:  AC Coordinator / NOAA NGS

sum-file Version 2.0
Final IGS Orbit Combination - Week 1699   (Jul 29, 2012 - Aug 04, 2012)

Contacts: J. Griffiths (jake.griffiths at noaa.gov)
          K. Choi (kevin.choi at noaa.gov)


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

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

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

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

igs1699[0-6].sp3  IGS GPS ephemeris files in SP3 format.
igs1699[0-6].clk  IGS GPS satellite and station clocks in clock RINEX format.
igs1699[0-6].cls  IGS GPS clock combination summary report.
igs16997.erp      Earth Rotation Parameters (ERP) and their rates as well as
                  Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                  with IGS ephemerides.
igs16997.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 of poorer consistency (GRG),
    they 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 1582, a new solution from CNES/GRGS (GRG) is included with
    weight except for the clock and LOD combinations.

 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   | KOUC KOUC
                0  |  EMR   | 3 MCM4
                0  |  ESA   | NNOR
                0  |  GFZ   | 3 6 22 23 BRFT
                0  |  GRG   | SCH2
                0  |  JPL   | 3 6
                0  |  MIT   | 19 3 6 19
                1  |  EMR   | 3
                1  |  ESA   | NNOR SCH2
                1  |  GFZ   | 3 6 23 30
                1  |  JPL   | 3 6
                1  |  MIT   | 5 8 19 3 5 6 8 10 18 19
                2  |  COD   | KOUC
                2  |  EMR   | 3 3 6
                2  |  ESA   | NNOR
                2  |  GFZ   | 6 23 30 BRFT GMSD OHI2 PDEL QAQ1 RESO TSKB YELL
                2  |  JPL   | 3 6
                2  |  MIT   | 3 7 3 6 7 IRKT SCH2
                3  |  COD   | FLRS
                3  |  EMR   | 3 3 6
                3  |  ESA   | REUN SCH2
                3  |  GFZ   | 6 23 BRFT METS OHI2
                3  |  GRG   | SANT WTZR
                3  |  JPL   | 3 6
                3  |  MIT   | 3 6
                4  |  COD   | CHUR CHUR
                4  |  EMR   | 3 6
                4  |  ESA   | CHUR
                4  |  GFZ   | 3 6 23 30 BRFT CHUR DGAR METS OHI2 PDEL SCH2 SFER
                4  |  GFZ   | VILL
                4  |  JPL   | 3 6
                4  |  MIT   | 6 3 6 USNO USNO
                5  |  EMR   | 3 3 MCM4
                5  |  ESA   | IRKJ NNOR
                5  |  GFZ   | 23 29 BRFT DGAR DUBO MAC1 OHI2 REUN
                5  |  JPL   | 3 6
                5  |  MIT   | 28 6 28 IRKT
                6  |  COD   | 3 KOUC
                6  |  ESA   | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
                6  |  ESA   | 21 22 23 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8
                6  |  ESA   | 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26
                6  |  ESA   | 27 28 29 30 31 32 AREQ AREQ
                6  |  GFZ   | 3 6 23 29 30 GRAS
                6  |  MIT   | 7 7

    
 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
               ----+--------+--------+-------------
                5  |  MIT   | ~00:00 | ~ 0.96 ns

 6. The following orbit solutions were excluded from the combination because 
    they were biasing the weighted average (generally indicated by long arc RMS).
    They were still used for statistics computation.
    
               Day | Centre | PRN list
               ----+--------+---------------
                4  |  SIO   |   9

 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.
    

 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 rotations were
    estimated in the IGS SINEX combination process, performed by the IGS Reference
    Frame Coordinator at the Institut Geographique National (IGN). 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  |     .7    1.3     .7     -33    -10     14    -.32
       EMR  |     .2    -.8    1.3      -1     -3      4     .02
       ESA  |     .0   -2.9   17.8     -30     27    122    -.19
       GFZ  |   -1.0     .9     .5     -33      0    -11    -.35
       GRG  |    2.2  -10.3   19.1     -49     44      9    -.17
       JPL  |   -1.6    3.1    1.0     -27     34     27    -.02
       MIT  |    2.2   -2.1   15.5      -3     12    -30    -.32
       NGS  |     .8    2.4   13.8     -47     11      5    -.28
       SIO  |   -3.8     .0   -7.7     -14     -8     48    -.38


 9. 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.

10. 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.

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

    
ORBIT COMBINATION AND EVALUATION STATISTICS:                                    
--------------------------------------------                                    
      
Most combination statistics are with respect to the combined orbits and
consist of 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 1.1699.a). It also displays the computed satellite
position sigmas for the combined orbits (table 1.1699.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 2.1699.[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 3.1699.[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 5.1699.0-6).

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 1699 summary.                       (Jul 29, 2012 - Aug 04, 2012)

Table 1.1699.a   GPS week: 1699   MJD: 56137.000-56143.000

         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  259|    0     0     1    14    27   -10  -.30    8    8 |    -475     -82     16     64
        |    0     0     0    15    10    18   .04           |     346     421
emr   92|    0     1    -6   -67    22    -6   .39   15   15 |    2471    -124     31    122
        |    0     2     2    21    11    16   .03           |     708     986
esa  170|    0     0     1   -22   -10    23   .24    6    6 |    -646    -796     40    154
        |    0     0     1    14    15    13   .01           |     520    1025
gfz  194|    0     0    -1     8    -6   -45  -.30   11   11 |     -89    -139     36    148
        |    0     0     1    32    44     8   .02           |     243     506
grg  120|    2     0    10    57   -44    41   .57   16   14 |     -89      25     63    243
        |    1     0     2    20    15    11   .02           |     250     477
igr  n/a|    0     0     0   -24     3   -47  -.08    4    4 |   14582    -698     20     73
        |    0     0     0    18    18     9   .02           |    1630    1001
jpl  147|    0     0    -5     6   -51    20   .51   13   13 |    4117    -183     22     94
        |    1     0     1    18    13    15   .03           |     727    1067
mit  257|    1     0     0   -35    -3   -36  -.37   11   10 |    -150     -27     27    163
        |    0     1     0    23    23    14   .05           |     251     363
ngs  252|    0     0     0    68    16     2  -.19   10    8 |    -499     -93   2109   3594
        |    0     0     2    29    34    13   .04           |     357     444
sio  243|   -2     0    -5    -9    43    20  -.19   21   20 |     ---     ---    ---    ---
        |    1     0     1    20    26     6   .04           |     ---     ---


Table 1.1699.b   GPS week : 1699   MJD: 56137.000-56143.000   

         Satellite position sigmas for the combined orbits
         (coded in the IGS SP3 orbit files).
         "E" flags eclipsing satellites.
         Units: mm.

              Day of GPS week
 PRN  |    0    1    2    3    4    5    6 |  Remarks
------+------------------------------------+------------------------------------------
   1  |    4    4    4    4    4    4    5 |
   2  |    4    4    4    4    4    4    4 |
   3  |    5    4    4    4    4    4    5 |
   4  |    4    3    4    3    3    4    4 |
   5  |    5    4    4    4    4    5    4 |
   6  |    7    8    6    6    5    4    5 |
   7  |    4    4    4    4    4    4    4 |
   8  |    3    3    3    3    4    3    3 |
   9  |    4    4    4    4    5    4    4 |
  10  |    3    3    3    3    3    4    4 |
  11  |    4    4    4    4    4    4    4 |
  12  |    5    4    5    5    5    5    4 |
  13  |    4    4    4    4    4    4    4 |
  14  |    4    4    4    4    4    4    4 |
  15  |    5    5    5    5    4    4    4 |
  16  |    5    4    4    5    4    5    4 |
  17  |    4    4    4    3    4    4    4 |
  18  |    4    4    4    5    4    4    4 |
  19  |    4    5    4    4    4    4    4 |
  20  |    4    4    4    4    4    5    4 |
  21  |    4    6    4    5    4    4    5 |
  22  |    3    3    4    4    4    3    3 |
  23  |    4    4    4    4    4    5    4 |
  25  |    4    4    4    4    4    7    4 |
  26  |    4    4    4    3    4    4    4 |
  27  |    4    4    6    4    4    3    4 |
  28  |    4    4    4    4    4    4    4 |
  29  |    4    4    4    4    5    5    4 |
  30  |    3    3    3    4    3    4    3 |
  31  |    5    4    4    4    4    4    4 |
  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
         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 2.1699.0   GPS week: 1699   Day: 0   MJD: 56137.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  259|    0     0     1    45    40   -17  -.25    9    8 |       9    -421     13     59
        |                     23   -25                       |
emr   92|    1    -1    -4   -62    23   -21   .39   14   14 |    1868    1384     34    138
        |                     50     0                       |
esa  170|    0     0     0   -28    -6    13   .24    7    7 |   -1025     -27     16    129
        |                     48    19                       |
gfz  194|    0     0    -1   -13   -72   -49  -.27   12   12 |      18     124     33    141
        |                    -34    63                       |
grg  120|    1     0     7    82   -46    40   .54   15   13 |     216     -99     56    208
        |                    -34   -53                       |
igr  n/a|    0     0     0     6    12   -40  -.09    5    5 |   15732     844     19     63
        |                    -13    12                       |
jpl  147|   -1     0    -4    33   -45    35   .50   13   13 |    3887    1402     19     84
        |                     28    11                       |
mit  257|    1     1     1   -56     1   -16  -.45   11    9 |      70     -20     24    158
        |                     45    -7                       |
ngs  252|    0     0     2    59    48    22  -.23   11   10 |      21    -455   2446   4007
        |                     19   -26                       |
sio  243|   -5     1    -7   -18    47    19  -.16   23   21 |     ---     ---    ---    ---
        |                    -25   -35                       |

Table 2.1699.1   GPS week: 1699   Day: 1   MJD: 56138.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  259|    0     0     1    10    25    19  -.25    9    8 |    -798     -59     17     59
        |                     43    -1                       |
emr   92|    0     0    -5   -58    30   -30   .40   15   15 |    3350    -643     35    133
        |                     32   -37                       |
esa  170|    0     1     1   -31   -38    41   .26    8    7 |      -5   -2496     25    127
        |                     48    16                       |
gfz  194|    0     0     0    28    53   -46  -.29   10    9 |    -277    -317     41    148
        |                     18    37                       |
grg  120|    3     0     9    69   -42    55   .59   16   14 |     -17    -175     63    199
        |                      2   -31                       |
igr  n/a|    0     0     0   -32   -28   -33  -.05    5    5 |   16630   -1384     22     82
        |                     13    14                       |
jpl  147|    0     0    -6    -7   -47    32   .52   14   13 |    5268    -980     28    103
        |                     27    23                       |
mit  257|    2     0     0    -4    10   -53  -.40   11    8 |      99    -370     40    187
        |                     27   -14                       |
ngs  252|    0    -1     0    27   -23   -13  -.17   10    8 |    -797    -210   2049   3737
        |                     56     4                       |
sio  243|   -2     0    -6    23    63    15  -.14   21   20 |     ---     ---    ---    ---
        |                    -30   -46                       |

Table 2.1699.2   GPS week: 1699   Day: 2   MJD: 56139.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  259|    0     0     1    16    35   -25  -.28    8    8 |    -907     324     15     66
        |                     32   -35                       |
emr   92|    0     0    -4   -89    26   -12   .41   15   15 |    2817     262     33    127
        |                     57     1                       |
esa  170|    0     0     1    -4   -10    38   .22    6    6 |   -1174    -820     13    115
        |                     35     4                       |
gfz  194|   -2    -1     0    10    25   -41  -.34   11   10 |     -90    -373     36    147
        |                     -1    19                       |
grg  120|    3     0     8    66   -16    37   .58   16   14 |    -419      59     59    288
        |                    -19   -40                       |
igr  n/a|    0     0     0   -32     6   -46  -.07    4    4 |   15422    -342     20     64
        |                     23    25                       |
jpl  147|    1     0    -4    16   -35     8   .57   12   12 |    4348     139     19     93
        |                      8    20                       |
mit  257|    2     0     1   -50   -27   -22  -.38   11    9 |    -540     224     24    174
        |                     53    -7                       |
ngs  252|    0     1    -3    69    -8   -10  -.20   11    9 |    -980     395   2260   3466
        |                     11    13                       |
sio  243|   -2     1    -5   -17    29    18  -.17   20   21 |     ---     ---    ---    ---
        |                    -20   -38                       |

Table 2.1699.3   GPS week: 1699   Day: 3   MJD: 56140.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  259|   -1     0     1     3    20    12  -.29    8    7 |    -162    -642     17     75
        |                     68    10                       |
emr   92|    0     4    -5  -101    35    14   .44   16   16 |    3407    -714     33    133
        |                     60     8                       |
esa  170|    0     0     0   -10   -17    14   .24    7    7 |   -1253      90     15    130
        |                     55    19                       |
gfz  194|    0    -1    -1   -17    13   -39  -.31   12   12 |    -267    -442     36    142
        |                     12     3                       |
grg  120|    1     0    10    23   -57    59   .55   16   15 |     -77     -19     61    309
        |                      8   -10                       |
igr  n/a|    0     0     0    -6     1   -52  -.12    5    4 |   15429   -1250     19     62
        |                      2     6                       |
jpl  147|    0     1    -6   -23   -42     2   .51   13   13 |    4841    -673     19    101
        |                     57    41                       |
mit  257|    1    -1     1    -3    10   -42  -.35   11    9 |    -176     -62     23    174
        |                     28   -24                       |
ngs  252|    0     0     2    93   -25   -10  -.14    9    8 |    -203    -572   2088   3555
        |                    -14    11                       |
sio  243|   -2     0    -4    14    61    22  -.17   19   22 |     ---     ---    ---    ---
        |                    -30   -49                       |

Table 2.1699.4   GPS week: 1699   Day: 4   MJD: 56141.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  259|    0     0     1     3    34   -21  -.34    8    8 |    -610     542     14     68
        |                     37   -17                       |
emr   92|    0     3    -8   -37    29    10   .40   15   15 |    2165     386     26    114
        |                      4    20                       |
esa  170|    0     0     2   -10    13     7   .23    5    5 |    -690     272     18    150
        |                     45    18                       |
gfz  194|   -1     0    -1   -14   -55   -37  -.32   11   10 |    -390     706     37    156
        |                     14     3                       |
grg  120|    0    -1    11    40   -43    34   .55   15   14 |    -364     763     65    270
        |                    -10   -47                       |
igr  n/a|    0     0     0   -24    31   -47  -.08    4    4 |   13737    -170     21     74
        |                     -1    42                       |
jpl  147|    0     1    -5    21   -47    22   .50   13   12 |    3666     474     23    100
        |                      0   119                       |
mit  257|    2    -2     0   -58   -18   -26  -.37   11   10 |    -274     360     24    154
        |                     48   -17                       |
ngs  252|    0     0    -1   105    32    10  -.22   10    9 |    -629     557   2375   3680
        |                    -61   -23                       |
sio  243|    0     0    -4   -32    15    30  -.25   22   16 |     ---     ---    ---    ---
        |                     -9   -45                       |

Table 2.1699.5   GPS week: 1699   Day: 5   MJD: 56142.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  259|    0     0     1    21    24   -24  -.34    8    8 |    -623      26     18     53
        |                     51    -6                       |
emr   92|    0     0   -10   -66     9    -3   .37   15   15 |    1868     149     33    114
        |                     27    24                       |
esa  170|    1     0     3   -31    -1    16   .23    6    7 |    -235    -845     20    126
        |                     47     3                       |
gfz  194|    0     0    -1    -8    -4   -43  -.30   11   12 |      70     165     38    147
        |                     19   -37                       |
grg  120|    2     1    13    69   -42    28   .60   16   15 |    -172     408     73    216
        |                    -26   -49                       |
igr  n/a|    0     0     1   -32     0   -52  -.09    4    4 |   12834    -356     21     71
        |                     20    32                       |
jpl  147|   -1     1    -6    -1   -72    39   .48   15   14 |    3394     201     21     84
        |                     41    34                       |
mit  257|    1    -1     0   -45   -31   -50  -.32   12   11 |    -336     299     27    157
        |                     33   -25                       |
ngs  252|    0     0     2    88    48     2  -.14    9    8 |    -637      74   1733   3399
        |                    -42   -63                       |
sio  243|   -2     1    -5   -15     6    25  -.22   20   21 |     ---     ---    ---    ---
        |                    -20   -26                       |

Table 2.1699.6   GPS week: 1699   Day: 6   MJD: 56143.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  259|   -1     0     1     3    11   -14  -.35    8    7 |    -237    -347     20     70
        |                     27    10                       |
emr   92|    0     3    -8   -57     4    -1   .35   16   16 |    1823   -1693     24    101
        |                     27    30                       |
esa  170|    1    -1     1   -43   -13    30   .24    6    6 |    -146   -1747    177    305
        |                     30    27                       |
gfz  194|    0     0    -2    72    -4   -62  -.29   11   11 |     311    -836     36    158
        |                    -23    -6                       |
grg  120|    1     0    12    47   -64    33   .59   15   16 |     206    -762     69    214
        |                      1   -26                       |
igr  n/a|    0     0     1   -49     0   -62  -.10    4    4 |   12292   -2230     23     95
        |                      8    37                       |
jpl  147|    1     0    -6     6   -68     6   .53   13   12 |    3417   -1845     26     93
        |                     -9    74                       |
mit  257|    1     0     1   -30    32   -40  -.32   12   11 |     107    -621     27    141
        |                     31   -52                       |
ngs  252|    0     0     2    35    43    13  -.22    9    8 |    -270    -441   1815   3319
        |                    -24   -27                       |
sio  243|    0     1    -5   -18    77    10  -.22   20   21 |     ---     ---    ---    ---
        |                     -2   -46                       |

       
       
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 3.1699.0   GPS week: 1699   Day: 0   MJD: 56137.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   10   15    6   16   12    4   14   12   11   17    4 |    23   26   31   21   42   26   43   20   31   25    27
   2  |    8   15    7   11   13    5   15   15   10   21    4 |    17   26   16   19   23   16   29   16   17   17    16
   3E |   12   19    6   16   17    4   16    7   13   28    4 |   101  110  104  101  113  103  109  103  100  111   104
   4  |    8    8    5   10   14    5   10   14    8   21    3 |    24   26   23   22   30   22   25   24   21   28    22
   5  |    9   12    8   13   10    4   14    9   12   35    4 |    28   27   29   28   32   27   29   30   28   32    27
   6E |   19   19    7   15   18    8   19   32   18   36    7 |   103  117  109   99  110  106  116  111  107  113   107
   7  |    6   15    7   14   17    3   15    8   14   14    4 |    21   29   26   21   32   21   30   21   21   21    21
   8  |    9   11    6   11    9    3    8    7   12   14    3 |    18   21   16   16   20   16   20   16   17   21    15
   9  |    9   14    4   15   13    6    9    8   14   32    4 |    18   26   19   23   22   17   26   15   16   40    18
  10  |    7    8    4    9   12    4    9    5   11   21    3 |    27   28   29   28   34   26   30   28   28   25    28
  11  |   10   11    6   10   19    4   12    9   13   15    4 |    17   28   17   14   32   17   27   19   22   19    17
  12  |    9   16   10   14   18    5   16    6   11   25    4 |    15   25   18   17   25   12   22   14   15   19    13
  13  |    7   17    7   10   21    5   12    7   11   15    4 |    21   26   25   17   35   22   29   21   20   19    21
  14  |    5   10    7    9   17    4   16    8   11   15    3 |    16   20   18   17   29   16   22   20   18   17    16
  15  |    9   19    8   10   15    4   19   10   11   17    4 |    17   22   15   15   23   13   24   20   15   16    14
  16  |   10   19   11   14   17    4   13   10   13   28    5 |    27   33   26   25   30   26   34   20   31   26    24
  17E |    7   12    9   14   16    6   14   17   10   13    4 |    11   19   18   17   18   14   19   18   16   13    13
  18  |    7   10    6   12    7    4   13    8    7   27    3 |    24   29   29   27   33   24   29   27   26   19    25
  19E |    7   16    5    8   14    4   12    9   12   18    3 |    41   46   44   47   46   42   46   45   44   47    43
  20  |    5   11    4   14   12    4   11   13    6   36    4 |    30   34   31   32   37   31   35   25   31   43    30
  21  |    6   17    6   13   13    7   19    9   14   22    4 |    22   35   27   22   39   23   35   20   23   20    24
  22  |    6   13    5    9    9    5   11   10    9   19    3 |    27   31   31   29   33   29   29   31   24   24    27
  23  |    6   17    7   12   17    5   12   11    7   28    4 |    24   32   25   20   29   24   32   20   22   29    22
  25  |    6   16    8   11   25    5   14    9    9   14    4 |    14   19   22   17   34   16   28   17   15   14    16
  26  |    9   10    8   15    8    5   10    6   13   26    4 |    18   20   17   19   21   15   22   16   17   24    16
  27  |   10   18    4   15   13    5    9   10   14   22    4 |    43   50   42   47   42   43   44   41   41   56    43
  28  |   10   12    8   14   16    5   12   12   10   23    4 |    17   26   23   21   28   18   26   18   23   20    19
  29E |    7   16    9    9   15    5   18   12    8   16    4 |    19   23   25   20   27   21   25   22   21   16    20
  30  |    7   10    4   10   12    5   10    6    6   17    3 |    21   23   20   20   23   19   27   21   25   18    20
  31  |   12   14    6   13   21    5   15   13    7   16    4 |    24   26   23   20   32   19   28   23   25   19    21
  32  |    5    9    6   10   10    4    9    7   10   17    3 |    15   18   14   16   21   14   21   15   17   14    14
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   14    7   12   15    5   13   11   11   23      |T   27   32   29   27   35   27   34   27   28   29    27
 WRMS |    8   14    7   12   13    5   13    9   10   21      |NE  21   27   23   22   30   21   28   21   22   24    21
 MEDI |    8   14    6   12   14    5   13    9   11   21      |MD  21   26   25   21   32   21   29   20   22   21    21

Table 3.1699.1   GPS week: 1699   Day: 1   MJD: 56138.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    9   17    5   10   10    5   13    9   11   17    3 |    24   25   32   19   40   27   39   20   28   27    26
   2  |    7   15    8    7   17    6   16   13   10   18    4 |    16   28   20   16   28   17   29   22   19   20    18
   3E |   10   17    6   11   15    5   17    9    7   25    4 |    84   92   87   81   90   84   91   82   82   89    85
   4  |    8    8    5    5   11    5    9   10    9   20    3 |    24   28   26   22   27   25   27   26   24   32    24
   5  |    7   13    7    7   10    5   15    8   10   30    4 |    19   22   20   16   20   20   23   21   20   21    19
   6E |   22   22    9   16   18    7   19   31   18   36    7 |    92  107   99   88  104   94  106   92   93  107    95
   7  |    6   16    7   12   15    4   15    6   10   12    3 |    18   28   20   21   31   19   28   20   21   20    20
   8  |    8   11    6   11   12    3   10    4    8   12    3 |    17   24   18   16   20   17   22   17   21   20    18
   9  |   10   11    4   10   16    4   10   12    9   30    4 |    14   22   17   12   21   17   21   12   16   29    14
  10  |    4   11    5    6   12    5    9    4    7   18    2 |    19   28   23   20   23   22   25   22   23   24    22
  11  |    7   12    5    6   19    4   13    8   14   14    3 |    16   24   20   14   33   17   23   17   25   22    18
  12  |    7   17    8   12   18    4   16    7    7   22    4 |    19   28   19   17   26   19   25   20   21   24    18
  13  |    5   14    6    9   23    6   12    8    8   13    3 |    14   23   19   15   35   18   25   17   15   13    16
  14  |    6   12    8    9   16    5   14   10    8   16    3 |    14   22   18   15   29   17   22   20   20   15    16
  15  |   11   18    7    9   15    6   19   13   10   16    4 |    19   23   15   15   26   17   22   18   12   17    15
  16  |    7   20    6    9   18    4   14    6   11   24    4 |    21   31   26   25   30   22   29   23   25   23    23
  17E |    6   11    7   11   15    5   12   10    9   10    3 |    15   24   22   19   29   19   23   21   17   20    18
  18  |    6   13    5   13    8    5   12    9   13   24    3 |    16   24   18   20   22   19   23   18   18   15    16
  19E |    8   18    7    9   19    6   17   21    8   17    4 |    34   37   34   34   42   35   37   36   39   33    34
  20  |    5   10    7    7   13    3   13   10   11   38    4 |    17   20   21   18   19   18   20   17   22   36    18
  21  |    8   18   23    9   17    7   19    8   11   22    5 |    22   37   37   21   41   24   38   21   22   23    26
  22  |    6   11    5    9    9    4    9   11   10   19    3 |    19   25   20   19   25   21   24   24   16   20    19
  23  |    6   16    6    9   19    5   16    8   11   26    4 |    14   24   18   15   26   16   25   17   16   26    15
  25  |    9   20    7    8   22    3   17   11    7   13    4 |    18   22   21   17   32   19   30   20   20   19    18
  26  |    7    9    7   13   12    5   10    6   10   20    3 |    22   23   23   17   23   24   23   21   27   26    21
  27  |   13   15    4   12   16    5   10   14    6   17    4 |    35   39   36   34   43   34   38   41   34   39    36
  28  |   10   14    6   11   15    6   13    9   11   21    4 |    14   28   24   17   27   19   26   20   20   19    18
  29E |    7   16    9    8   17    5   16   10   10   13    4 |    23   28   29   21   35   24   28   26   27   21    24
  30  |    7   11    4    6   17    5   10    7   11   15    3 |    14   22   19   20   23   17   22   21   24   18    18
  31  |   10   18    6    9   20    5   13   10    8   10    4 |    19   32   22   21   34   20   28   24   23   22    21
  32  |    5   11    6    8   11    3    9    6    9   15    3 |    12   15   12   12   16   12   15   14   14   11    11
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    9   15    8   10   16    5   14   11   10   21      |T   23   30   26   23   32   24   30   25   25   27    24
 WRMS |    8   15    7    9   14    5   13    8    8   20      |NE  18   25   21   18   27   19   25   20   21   22    19
 MEDI |    7   14    6    9   16    5   13    9   10   18      |MD  19   25   21   19   28   19   25   21   21   22    18

Table 3.1699.2   GPS week: 1699   Day: 2   MJD: 56139.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    7   17    5   13   11    2   13    7   15   17    3 |    16   19   25   14   30   19   33   16   22   15    19
   2  |    7   18    6    9   16    4   13    9    7   16    3 |    15   26   19   18   24   15   25   17   16   17    16
   3E |   10   19    6   10   14    4   13   11   11   24    4 |    60   66   60   57   59   57   63   56   62   59    59
   4  |    7   13    6    8   12    2    9    8   11   19    3 |    21   25   28   21   25   20   26   21   21   31    22
   5  |   10   15    6    7   12    4   11    7   15   28    4 |    22   23   22   21   24   20   23   21   21   23    20
   6E |   16   19    8   16   20    5   17   28   13   31    6 |    93  110  102   90  105   94  106   92   93  102    97
   7  |    6   15    5   11   16    5   14   11   11   13    3 |    17   23   19   18   30   17   25   17   17   16    17
   8  |    9   11    6   10   11    5   12    4    7   12    3 |    18   23   21   18   20   17   25   17   16   22    18
   9  |    9   18    5   12   14    5    9    9   13   18    3 |    29   38   31   31   34   30   36   32   31   40    31
  10  |    6    9    5    7   13    5    9    5   10   17    2 |    25   27   28   25   29   22   27   25   24   24    25
  11  |    7   13    5    8   19    3    9    7   14   14    3 |    12   18   14    9   27   11   19   10   20   14    11
  12  |   10   18    9   13   18    4   14   10   11   25    4 |    19   25   18   22   24   16   23   18   19   21    16
  13  |    6   13    5    8   21    5   11   10   12   12    3 |    14   20   17   13   34   15   23   14   16   14    14
  14  |    7   13    8    7   17    4   12   10   13   15    3 |    13   20   19   13   29   15   20   18   17   14    14
  15  |   11   21   10   11   14    4   15   15   10   15    4 |    18   22   15   18   22   14   21   15   19   15    14
  16  |    7   17    6   13   20    5   16    9   10   23    4 |    17   27   22   17   30   17   28   16   18   16    18
  17E |    8   12    6   10   14    3   14    9   12   10    3 |    11   23   18   18   25   16   23   18   16   19    16
  18  |    8   16    5   16   11    3   11   10   11   23    4 |    15   24   19   26   22   18   24   20   16   16    17
  19E |    8   19    7    8   16    3   13   16   11   15    4 |    23   29   26   22   27   23   25   27   27   22    23
  20  |    5   10    6   10   14    3   10   10    6   38    4 |    21   22   24   22   25   19   21   18   18   35    20
  21  |    6   20    5   11   14    3   16    8   10   18    4 |    20   35   27   21   36   24   36   22   25   22    25
  22  |    7   11    5   10   10    3   10   12   13   19    3 |    20   27   23   21   28   21   27   25   24   26    22
  23  |    6   15    6   10   18    4   13    9   10   27    4 |    12   21   16   14   24   13   20   15   13   26    12
  25  |    8   15    6    9   21    5   14   12   12   14    4 |    14   19   22   22   31   16   28   21   19   20    18
  26  |    7   14    6   10   11    5   10    8   12   21    3 |    21   23   20   18   22   18   24   21   26   27    19
  27  |   13   16    6   14   27    7   10   20   19   38    6 |    62   67   65   67   62   63   66   74   63   80    65
  28  |    7   13    5   13   16    4   10    9    8   19    3 |    14   27   19   21   28   16   24   17   21   16    17
  29E |   10   19   11   12   15    5   16    9    9   15    4 |    15   24   25   22   28   19   23   22   22   18    20
  30  |    8   11    4    9   18    4    9    8   10   15    3 |    11   21   16   17   22   13   20   15   17   13    13
  31  |   10   17    5   12   24    4   15   10   12   11    4 |    16   27   17   18   32   16   26   19   19   18    16
  32  |    4   12    5    8   12    3    6    7    6   15    2 |    10   16   12   14   16   10   17   14    9   12    11
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   15    6   11   16    4   12   11   11   20      |T   22   29   26   24   31   22   29   24   24   26    23
 WRMS |    8   15    6   10   14    4   12    9    9   21      |NE  18   25   22   20   28   19   26   20   21   22    19
 MEDI |    7   15    6   10   15    4   12    9   11   17      |MD  17   24   21   21   28   17   25   18   19   20    18

Table 3.1699.3   GPS week: 1699   Day: 3   MJD: 56140.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    8   20    4   14   13    6   14    7    8   18    3 |    19   20   26   18   32   20   34   21   21   23    21
   2  |    6   17    7    9   15    5   14    6    8   16    3 |    18   27   19   19   23   17   25   16   18   18    17
   3E |    7   17    6   12   13    3   15   13   10   22    4 |    72   81   77   77   79   74   80   74   77   80    75
   4  |    5   11    6    9   11    5    9    9    8   20    3 |    18   26   19   21   27   20   23   20   19   29    20
   5  |    8   17    4   11   10    4   13    7    8   29    4 |    22   27   23   26   29   24   26   27   27   25    24
   6E |   14   20    5   24   19    7   16   22   10   25    6 |   103  120  109  105  113  105  116  102  103  110   107
   7  |    6   15    6    9   17    4   15   10   10   11    3 |    19   26   23   23   29   21   28   22   23   20    20
   8  |    8   13    6    8   12    3   12    5    9   11    3 |    16   22   19   17   18   16   22   18   17   19    16
   9  |    7   18    7   12   15    3   12   13   11   16    4 |    30   37   34   31   27   31   31   30   35   43    31
  10  |    4    8    6   11   13    5   10    6    8   18    3 |    22   25   24   25   33   25   26   26   31   24    24
  11  |    4   15    6    9   22    6   12   10    7   17    3 |    13   21   17   13   28   12   20   17   17   21    14
  12  |    8   16    7   12   22    4   16   14    9   23    4 |    17   24   19   23   24   16   23   19   19   20    16
  13  |    6   14    6   10   24    4   11   11    6   12    3 |    18   23   21   17   37   18   24   17   19   15    17
  14  |    7   12    6    7   19    6   16    8    9   15    3 |    13   21   18   13   28   15   20   17   19   15    14
  15  |   12   22   11   10   15    5   20   13    8   16    4 |    16   24   18   18   24   16   23   20   16   18    15
  16  |    8   19    8   18   17    4   18   10   11   21    4 |    28   34   33   33   33   30   34   30   28   31    29
  17E |    8   15    6   10   14    5   11    7    7    9    3 |    16   29   24   20   29   19   27   19   19   20    20
  18  |    9   16    6   23   12    3   14    7   10   24    4 |    20   25   22   30   28   20   23   22   26   17    20
  19E |    6   19    9   11   15    3   15   15   11   18    4 |    19   26   26   28   29   22   22   26   26   24    22
  20  |    6   11    7    8   17    6   12    6   11   38    4 |    26   24   27   23   29   25   27   24   30   37    25
 X21  |    9  ---    9   14   18    6   19    7    7   18    4 |    19  ---   28   22   37   21   35   21   21   19    23
  22  |    6   11    5    9   14    6   12   12    9   21    3 |    23   24   22   23   30   23   24   26   26   24    22
  23  |    5   16    7   12   20    4   13   11    9   26    4 |    18   24   19   19   25   18   24   15   20   26    16
  25  |    6   19    5   14   22    4   17    9    9   14    4 |    17   20   24   27   31   18   32   21   21   20    20
  26  |    5   12    4   11   10    4    9    9    6   22    3 |    17   21   17   19   20   16   21   21   16   25    17
  27  |    9   18    7   13   16    5   12   15   10   11    4 |    32   35   32   32   33   31   31   31   33   33    31
  28  |    7   12    9    6   16    3   10    5    9   20    3 |    18   28   25   20   29   20   27   20   21   19    20
  29E |   10   17    8   15   16    5   14   15    9   12    4 |    20   24   26   27   27   23   25   26   22   21    21
  30  |   10   12    6   12   14    5   10   12   10   14    3 |    15   25   24   23   21   18   22   24   21   20    18
  31  |    8   21    5   13   20    4   15    9    9   11    4 |    20   32   22   17   30   19   28   25   25   22    21
  32  |    5   10    7    7   14    5    8    6    9   15    3 |    15   16   12   15   20   14   17   15   17   12    13
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   16    7   12   16    5   13   11    9   19      |T   23   30   27   26   32   24   30   26   26   27    24
 WRMS |    7   16    7   12   15    4   13    9    8   22      |NE  19   25   22   21   27   20   25   21   22   22    20
 MEDI |    7   16    6   11   15    5   13    9    9   18      |MD  19   25   23   23   29   20   25   21   21   21    20

Table 3.1699.4   GPS week: 1699   Day: 4   MJD: 56141.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    9   15    6   13   11    4   12    9   10   15    3 |    19   22   26   19   34   21   36   19   22   17    21
   2  |    8   17    8    7   13    3   14    7    9   17    3 |    19   28   23   19   26   18   27   18   20   21    20
   3E |    8   17    6   11   12    4   16   11    9   23    4 |    47   55   51   44   54   49   57   44   43   55    48
   4  |    7   11    4   11    9    2   10   11    9   20    3 |    16   24   22   16   28   18   25   21   21   32    20
   5  |    9   14    4   11    9    3   11    8   10   28    3 |    20   23   25   27   27   22   25   24   21   25    22
   6E |   10   17    6   11   13    4   15   19   10   22    4 |    99  117  106  100  114  102  113  101   97  108   104
   7  |    6   16    5    8   14    4   15   11   10   11    3 |    18   26   24   20   28   20   28   19   20   18    19
   8  |    9   14    4    8   14    4   11    9   12   13    3 |    15   24   18   17   16   14   21   20   18   21    15
   9  |   10   16    5    7   20    4   11   20    8   66    4 |    85   90   85   85   82   83   87   87   85  102    86
  10  |    6   10    4    7   12    4    9    8    8   20    3 |    22   26   26   24   32   23   27   25   21   23    23
  11  |    8   11    5    9   20    3    9    9   13   10    3 |    13   22   18   16   30   16   23   18   22   15    15
  12  |    9   15    8   12   20    4   13   16   10   20    4 |    18   25   18   19   24   13   24   19   14   15    15
  13  |    6   13    3    8   22    4   11    9    9   13    3 |    12   22   18   13   37   15   23   13   18   13    15
  14  |    8   17    5   11   17    3   14    9    9   16    3 |    16   26   19   13   30   17   21   17   15   17    15
  15  |   10   18    6   12   15    4   16   13    8   15    4 |    18   21   16   18   25   14   22   20   16   19    16
  16  |    9   21    6   15   16    3   15   10    8   20    4 |    37   43   38   44   43   36   40   42   37   41    39
  17E |    8   14    5    8   18    4   16    9    9   10    3 |    17   25   20   20   26   19   24   21   21   22    19
  18  |    9   15    4   19    9    3   11   11    9   25    4 |    15   25   21   24   24   18   27   21   17   17    18
  19E |    6   17    4   10   15    3   11    9   13   19    3 |    22   30   26   28   28   25   27   28   29   26    25
  20  |    6   11    4   11   14    3   12    6   10   40    4 |    20   21   23   22   23   19   20   17   18   36    20
  21  |    8   17    4   12   14    3   16    9   14   17    4 |    24   37   29   24   39   26   38   23   26   25    27
  22  |    7   11    5   10    8    2   11   15    9   21    3 |    21   26   25   20   28   22   28   25   18   26    21
  23  |    6   15    6    9   16    3   14   10   10   26    4 |    15   22   19   13   27   15   24   14   16   23    14
  25  |    5   17    4   10   23    4   13    8    9   13    3 |    19   23   24   24   33   20   34   18   18   19    20
  26  |    6   12    5   11   11    4    8   14   10   26    3 |    17   21   19   20   25   15   22   22   17   26    17
  27  |    8   18    4   10   16    3   10   14    9   14    3 |    26   33   29   28   32   27   31   31   29   34    28
  28  |    6   14    5    8   15    4   10    8   10   20    3 |    16   32   23   24   27   21   28   21   19   20    20
  29E |   11   17    7   12   14    4   17   16   12    9    4 |    24   30   27   25   31   24   28   26   22   21    23
  30  |    8   10    5   11   17    5    8   11    8   12    3 |    16   25   18   21   25   17   22   26   20   22    19
  31  |    8   16    5   12   18    4   15   10   10   12    3 |    19   28   23   23   33   22   30   26   21   24    21
  32  |    5   11    4   10   12    3    8    9   12   17    3 |    15   17   17   16   20   14   18   13   11   11    13
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   15    5   11   15    4   13   11   10   22      |T   24   31   28   26   33   25   32   27   25   28    25
 WRMS |    8   15    5   10   14    4   12   10    9   16      |NE  21   28   24   23   30   21   28   23   22   25    22
 MEDI |    8   15    5   11   14    4   12   10   10   17      |MD  19   25   23   21   28   20   27   21   20   22    20

Table 3.1699.5   GPS week: 1699   Day: 5   MJD: 56142.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   11   16    6   15   14    4   14   10   11   17    4 |    20   25   26   19   34   21   36   18   23   20    21
   2  |    7   18    8    7   16    3   13   11    9   18    4 |    13   23   15   14   27   12   23   14   16   16    13
   3E |   10   20    5   12   12    4   17   12   10   20    4 |    88   93   92   93   94   91   94   87   91   89    90
   4  |    8   12    6    7   12    3   10   15    6   21    3 |    21   29   25   23   31   22   28   19   18   30    22
   5  |   12   13   10    8   17    4   14   13    9   30    4 |    18   20   19   18   29   18   24   23   20   23    17
   6E |    8   16    5   12   14    4   14   12    8   24    4 |    95  110  100   93  108   96  109   95   96  102    99
   7  |    6   15    6    9   16    3   14   12   10   12    3 |    17   27   20   20   29   19   28   20   19   18    18
   8  |    7   14    5    8   14    4   12    8    9   13    3 |    13   23   17   15   18   11   23   13   16   15    13
   9  |    8   13    4   12   14    4   13   14    7   15    3 |    58   58   59   59   57   57   61   57   56   61    57
  10  |    6    9    6    8   19    6    9   13    9   21    3 |    18   20   20   18   32   20   21   22   20   23    18
  11  |    5   13    6   10   20    3   11    9   15   10    3 |    16   24   19   15   29   17   25   19   23   17    17
  12  |   14   15   11   11   21    3   14   15   11   22    5 |    17   22   18   20   26   14   23   21   15   19    15
  13  |    5   16    6   13   23    5   13   12   10   13    4 |    15   24   17   15   37   16   27   15   19   14    16
  14  |    6   13    8    9   17    3   14   13    9   16    4 |    12   18   17   16   29   12   18   15   16   13    12
  15  |   11   19    7    8   16    5   16   16    7   16    4 |    18   24   15   17   26   14   22   20   16   21    14
  16  |    8   19    7   16   17    3   15   12    7   21    4 |    30   36   34   34   36   31   38   27   31   26    31
  17E |    7   17    6    7   17    5   13    7    8   11    3 |    16   31   24   23   28   21   28   17   16   19    20
  18  |    7   12    6   16   11    4   12   14    8   24    4 |    14   20   16   17   20   13   20   20   18   14    14
  19E |    6   17    5   11   15    3   11   12    9   13    3 |    15   23   19   22   15   17   19   21   22   18    16
  20  |    7   14    5   12   15    5   14    8   10   39    4 |    26   21   25   26   27   25   28   22   27   36    24
  21  |    7   16    6   13   19    4   15   10    8   17    4 |    21   41   27   19   39   21   34   24   23   21    24
  22  |    6   11    4   11   10    3   10   10    8   21    3 |    20   25   21   21   27   18   24   21   20   24    19
  23  |    7   20    7   14   17    4   15   12    7   27    4 |    17   25   18   17   27   15   26   15   17   27    15
  25  |    8   20    7   13   22    5   47   10   12   15    6 |    14   21   20   18   32   16   51   17   17   17    16
  26  |    6   12    6    9   15    3    9   13    8   25    3 |    13   22   18   16   23   13   21   19   16   25    13
  27  |    8   12    4   10   14    5   11   12    7    9    3 |    16   18   19   17   23   15   22   17   15   19    15
  28  |    6   14    7    8   15    4   13    6   11   24    3 |    15   30   24   22   28   19   30   21   18   18    19
  29E |   12   17    9   13   18    5   15   14    9   11    4 |    23   28   25   26   30   23   27   27   19   22    22
  30  |    7    9    4   15   19    3    8   11   11   13    3 |    15   20   18   20   20   16   20   19   20   18    16
  31  |   10   14    7   17   17    5   15   10   11   12    4 |    18   22   18   17   30   15   24   18   18   15    16
  32  |    6   14    5    9   14    2    7    7   10   19    3 |    18   15   17   21   22   17   17   18   17   16    16
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   15    6   11   16    4   15   12    9   20      |T   23   30   26   25   33   23   31   25   25   26    23
 WRMS |    8   15    7   12   15    4   14   11    8   21      |NE  18   25   21   20   29   18   27   20   20   21    18
 MEDI |    7   14    6   11   16    4   13   12    9   17      |MD  17   24   19   19   29   17   25   20   19   19    17

Table 3.1699.6   GPS week: 1699   Day: 6   MJD: 56143.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1  |   10   22    5   15   18    6   12   10   14   21    4 |    19   22   24   21   33   22   34   23   23   24    20
   2  |    5   16    6    8   14    3   14   11   10   18    3 |    23   32   23   26   29   23   31   21   21   26    23
   3E |   12   22    6   16   13    5   18   15   11   20    5 |    97  102   96   98  100   93  101  102   93  104    98
   4  |    7   10    5   14   10    2    9   14    9   20    3 |    14   23   20   18   26   17   22   19   16   30    17
   5  |    9   12    5    6   12    3   12   12    7   29    3 |    28   31   28   30   36   29   31   34   27   34    28
   6E |    8   21    5    9   14    3   15   14    9   29    4 |   116  133  122  118  128  118  128  116  115  127   120
   7  |    7   17    5   11   13    3   14   12   10   12    3 |    20   29   27   27   32   23   27   22   24   23    23
   8  |    7   13    5   10   11    3   13    9   10   10    3 |    19   23   21   18   23   17   21   20   16   23    18
   9  |    8   18    5   12   15    4   13   15    8   16    4 |    69   72   72   69   64   70   68   75   76   81    71
  10  |    5    7    4   17   14    3    9   11   11   21    3 |    26   30   29   29   40   27   31   30   28   29    28
  11  |    5   12    6   11   22    5   10   11   10   12    3 |    16   20   16   18   29   15   20   22   19   19    15
  12  |    9   15    7    8   18    4   13   15   10   26    4 |    25   31   24   25   25   20   29   26   22   30    23
  13  |    5   16    5   11   22    4   13   12    7   14    3 |    15   23   20   18   39   16   23   15   14   17    16
  14  |    6   18    6    9   21    5   16   14   10   18    4 |    16   27   22   19   36   19   24   21   23   20    19
  15  |   12   17    6   10   16    7   16   14    7   16    4 |    27   28   25   25   31   23   26   29   25   30    24
  16  |   11   17    7   12   15    3   15   11   11   22    4 |    20   28   24   23   26   18   26   26   20   25    21
  17E |    5   20    6    8   13    4   15   10    9   11    3 |    18   30   25   23   28   21   24   22   20   23    22
  18  |    7   12    5   11   10    4   12   17    8   24    3 |    24   32   29   29   34   27   29   31   32   23    27
  19E |    8   17    6   11   14    3   11   12    9   17    3 |    20   30   26   26   26   22   24   27   27   25    22
  20  |    6   11    6    8   14    5   12    8   10   40    4 |    26   25   25   27   33   26   24   24   27   37    25
 X21  |    7  ---   10   15   15    4   20   12    8   20    4 |    23  ---   30   27   42   25   38   28   25   28    27
  22  |    5   12    4    7    6    3   12   11    8   20    3 |    29   33   33   31   39   30   33   33   28   31    30
  23  |    7   16    6    9   18    5   16   14   10   26    4 |    14   23   17   14   29   16   23   18   15   28    14
  25  |    6   20    7   10   21    4   14   11    7   18    4 |    27   33   30   32   36   26   32   27   25   28    27
  26  |    5   11    8   14   12    3    9   12    8   22    3 |    24   22   26   21   32   22   24   28   20   27    22
  27  |    9   14    4   11   15    4   12   13   10   11    3 |    34   35   36   35   33   34   32   39   39   40    34
  28  |    7   13    6   10   11    3   10    6   11   24    3 |    17   31   23   24   29   20   30   22   20   24    21
  29E |   11   17    7   11   14    4   16   14   11   13    4 |    31   37   34   36   37   31   35   35   31   35    33
  30  |    8   11    4    9   12    3    8    9    6   14    3 |    15   26   22   25   23   21   23   23   20   22    20
  31  |    7   14    8    6   15    6   16   10   10   14    3 |    22   31   27   24   37   23   33   27   23   24    25
  32  |    5   14    5   11   13    3    7    9    6   19    3 |    20   19   16   20   27   19   20   20   16   18    17
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |    8   16    6   11   15    4   13   12    9   20      |T   28   35   32   31   38   29   34   32   30   34    30
 WRMS |    7   16    6   11   16    4   12   11    8   21      |NE  23   29   26   25   33   24   29   27   24   28    24
 MEDI |    7   15    6   11   14    4   13   12   10   19      |MD  23   30   25   25   33   23   29   26   23   27    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 4.1699   GPS week: 1699   MJD: 56137.0-56143.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2962 |U    6     7    18 |U    5     6    19 |  ----  ----  ---- |
emr | emr 2940 |    10    11    25 |U    7    11    26 |  ----  ----  ---- |
esa | esa 2976 |     6     7    18 |U    5     6    20 |  ----  ----  ---- |
gfz | gfz 2967 |U   12    10    23 |U    6     7    23 |  ----  ----  ---- |
grg | grg 2975 |U   11    12    30 |U   36    43   183 |  ----  ----  ---- |
igr | igr 2975 |     6     7    18 |     5     6    20 |  ----  ----  ---- |
igs | igs 2965 |     6     7    18 |     5     6    19 |  ----  ----  ---- |
jpl | jpl 2967 |     7     8    20 |U    5     6    22 |  ----  ----  ---- |
mit | mit 2976 |     6     7    19 |U    7     8    31 |  ----  ----  ---- |



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 5.1699.0   GPS week: 1699   Day: 0   MJD: 56137.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2976 |     6     7    19 |     4     5    13 |  ----  ----  ---- |
emr | emr 2968 |     8    10    26 |     7     9    28 |  ----  ----  ---- |
esa | esa 2976 |     6     7    21 |     4     4    15 |  ----  ----  ---- |
gfz | gfz 2968 |     6     7    19 |     6     7    19 |  ----  ----  ---- |
grg | grg 2976 |     9     9    21 |     6     9    26 |  ----  ----  ---- |
igr | igr 2976 |     6     7    21 |     4     4    14 |  ----  ----  ---- |
igs | igs 2966 |     6     7    20 |     4     4    14 |  ----  ----  ---- |
jpl | jpl 2967 |     6     7    19 |     4     5    17 |  ----  ----  ---- |
mit | mit 2976 |     7     8    23 |     6     8    28 |  ----  ----  ---- |

Table 5.1699.1   GPS week: 1699   Day: 1   MJD: 56138.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2880 |     9     8    25 |     5     5    20 |  ----  ----  ---- |
emr | emr 2968 |    10    12    30 |     6    10    29 |  ----  ----  ---- |
esa | esa 2976 |     8     6    17 |     5     5    20 |  ----  ----  ---- |
gfz | gfz 2966 |     7     5    18 |     6     6    25 |  ----  ----  ---- |
grg | grg 2976 |    10    10    32 |     9    12    39 |  ----  ----  ---- |
igr | igr 2976 |     8     6    18 |     5     4    21 |  ----  ----  ---- |
igs | igs 2953 |     8     7    20 |     4     5    19 |  ----  ----  ---- |
jpl | jpl 2968 |     8     6    19 |     5     5    23 |  ----  ----  ---- |
mit | mit 2976 |     8     5    20 |     6     9    33 |  ----  ----  ---- |

Table 5.1699.2   GPS week: 1699   Day: 2   MJD: 56139.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2976 |     5     7    14 |     3     5    22 |  ----  ----  ---- |
emr | emr 2968 |     8     9    22 |     7    10    21 |  ----  ----  ---- |
esa | esa 2976 |     5     7    13 |     3     5    21 |  ----  ----  ---- |
gfz | gfz 2967 |     5     6    12 |     5     5    23 |  ----  ----  ---- |
grg | grg 2976 |    14    11    36 |    16    11    65 |  ----  ----  ---- |
igr | igr 2976 |     5     7    14 |     3     4    19 |  ----  ----  ---- |
igs | igs 2969 |     5     6    13 |     3     5    20 |  ----  ----  ---- |
jpl | jpl 2967 |     7     8    14 |     4     5    20 |  ----  ----  ---- |
mit | mit 2976 |     5     6    14 |     5     6    24 |  ----  ----  ---- |

Table 5.1699.3   GPS week: 1699   Day: 3   MJD: 56140.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2976 |     8    10    22 |     4     4    17 |  ----  ----  ---- |
emr | emr 2872 |    13    17    37 |     6    11    23 |  ----  ----  ---- |
esa | esa 2976 |     7    10    23 |     3     3    19 |  ----  ----  ---- |
gfz | gfz 2968 |     6    10    22 |     4     5    20 |  ----  ----  ---- |
grg | grg 2976 |    14    15    36 |    11    16    45 |  ----  ----  ---- |
igr | igr 2976 |     6    10    22 |     4     5    23 |  ----  ----  ---- |
igs | igs 2971 |     7    10    22 |     4     3    15 |  ----  ----  ---- |
jpl | jpl 2968 |     8    12    26 |     4     6    22 |  ----  ----  ---- |
mit | mit 2976 |     7    11    25 |     5     5    33 |  ----  ----  ---- |

Table 5.1699.4   GPS week: 1699   Day: 4   MJD: 56141.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2976 |     5     5    16 |    13    14    23 |  ----  ----  ---- |
emr | emr 2968 |     9     9    23 |    11    16    33 |  ----  ----  ---- |
esa | esa 2976 |     5     5    17 |    12    14    24 |  ----  ----  ---- |
gfz | gfz 2967 |    30    20    38 |    12    14    28 |  ----  ----  ---- |
grg | grg 2976 |    17    23    47 |   197   237  1023 |  ----  ----  ---- |
igr | igr 2975 |     6     5    16 |    12    13    26 |  ----  ----  ---- |
igs | igs 2962 |     5     5    17 |    12    13    25 |  ----  ----  ---- |
jpl | jpl 2968 |     6     6    18 |    11    11    29 |  ----  ----  ---- |
mit | mit 2976 |     5     5    16 |    14    14    49 |  ----  ----  ---- |

Table 5.1699.5   GPS week: 1699   Day: 5   MJD: 56142.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2976 |     5     7    15 |     4     5    17 |  ----  ----  ---- |
emr | emr 2968 |     8     8    18 |     5     9    24 |  ----  ----  ---- |
esa | esa 2976 |     5     7    15 |     5     6    20 |  ----  ----  ---- |
gfz | gfz 2968 |     6     6    15 |     6     8    24 |  ----  ----  ---- |
grg | grg 2976 |     8     8    19 |     7     8    43 |  ----  ----  ---- |
igr | igr 2976 |     5     6    16 |     5     6    19 |  ----  ----  ---- |
igs | igs 2974 |     5     6    15 |     4     6    19 |  ----  ----  ---- |
jpl | jpl 2964 |     5     6    18 |     6     7    21 |  ----  ----  ---- |
mit | mit 2976 |     5     6    16 |     5     9    27 |  ----  ----  ---- |

Table 5.1699.6   GPS week: 1699   Day: 6   MJD: 56143.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2976 |     7     8    17 |     4     6    19 |  ----  ----  ---- |
emr | emr 2874 |    12    13    20 |     6    10    26 |  ----  ----  ---- |
esa | esa 2976 |     7     7    18 |     4     6    20 |  ----  ----  ---- |
gfz | gfz 2968 |    23    15    36 |     4     6    23 |  ----  ----  ---- |
grg | grg 2975 |     8    10    19 |     5    10    39 |  ----  ----  ---- |
igr | igr 2974 |     7     8    18 |     4     6    21 |  ----  ----  ---- |
igs | igs 2965 |     7     8    18 |     4     6    23 |  ----  ----  ---- |
jpl | jpl 2970 |     8     9    25 |     5     6    25 |  ----  ----  ---- |
mit | mit 2976 |     7     9    19 |     8     7    28 |  ----  ----  ---- |


Table 6: Earth Orientation Parameters weekly summary.                          
                                                                              
        Weekly mean and standard deviation of Centre ERP, ERP rates and       
        LOD differences with respect to IGS combined values. See Table 7 for  
        the daily summaries.                                                  
                                                                              
        Xpole,Xrt: x pole and x pole rate                          
        Ypole,Yrt: y pole and y pole rate                       
        LOD      : Length Of Day                                               
                                                                              
        AC LOD BIAS    : 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 6.1699   GPS week: 1699   MJD: 56137.500-56143.500

                                                         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 |      10     -20     -23     -59     -6 |       7     15
            |      20      14      92      70      8 |       3
emr   uuuuu |      -6     -17     177     -40      6 |      25     29
            |      25      16      87     101     13 |       2
esa   uuuuu |     -14     -24       7     -38     -5 |      18     22
            |       7       7      54      61      3 |       3
gfz   uuuuu |     -11      19     -27     -63      1 |       5     14
            |      29      20     111     124      1 |       2
grg   uuuux |      37      31    -114    -106     25 |      -3     28
            |      15      17      75      51     36 |       6
igr   xxxxx |     -23      12     -16     -24     -2 |       1     13
            |      17      15      49      35      5 |       2
irf   xxxxx |       1      20     -26     -11     -3 |       6     13
            |       8       8      25      26      2 |       3
jpl   uuuuu |     -45      -2     -11     -31      9 |      22     25
            |      36      19      94      44      8 |       2
mit   uuuuu |      22     -18    -109      48     -5 |      16     21
            |      17      15      95      61      7 |       4
ngs   uuuuu |      17      28      46     125      0 |      10     14
            |      23      34     111     184      6 |       2
sio   uuuuu |      42      39      78     144     -7 |      43     44
            |      16      19      56      58      6 |       4


Table 7.1699.0   GPS week: 1699   Day: 0   MJD: 56137.500

                                                         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 |      28       0      -2     -12     11 |       7     18
emr   uuuuu |       3     -27     175     -78     -6 |      25     29
esa   uuuuu |     -16     -25      17     -85     -4 |      21     26
gfz   uuuuu |     -60      57    -228    -266      1 |       6     17
grg   uuuux |      56      57    -181     -50    -11 |       8     36
igr   xxxxx |      -9      36     -62     -21      2 |       3     16
irf   xxxxx |       3      23       3     -21     -1 |       8     17
jpl   uuuuu |      -8      -5    -190      30     10 |      20     24
mit   uuuuu |      10     -22      49      -1    -12 |      21     27
ngs   uuuuu |      29       4     163     398      2 |      12     18
sio   uuuuu |      38      48     175     156      1 |      46     48

Table 7.1699.1   GPS week: 1699   Day: 1   MJD: 56138.500

                                                         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 |       3     -12    -176      35     -7 |      10     18
emr   uuuuu |      39      -1     129     -20     -9 |      26     30
esa   uuuuu |     -14     -17       9       0     -7 |      22     27
gfz   uuuuu |     -35      13     -81    -142      2 |       7     16
grg   uuuux |      33      29    -101    -135      8 |       1     30
igr   xxxxx |     -12      18    -100     -17      1 |       4     16
irf   xxxxx |       2      31     -14     -20     -5 |       9     17
jpl   uuuuu |     -21       4      67     -32      6 |      22     25
mit   uuuuu |      16       4     -47     -30    -14 |      21     27
ngs   uuuuu |      -2     -25      32     224      8 |      12     17
sio   uuuuu |      48      61      51     172     -8 |      48     49

Table 7.1699.2   GPS week: 1699   Day: 2   MJD: 56139.500

                                                         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 |      37      -9    -107     -71     -7 |      10     18
emr   uuuuu |       1     -34     211      66      6 |      24     28
esa   uuuuu |      -2     -12      -9    -120     -5 |      21     26
gfz   uuuuu |     -17      24     -80     -26      1 |       7     16
grg   uuuux |      42      42    -196     -64      0 |      -4     26
igr   xxxxx |     -23       0       1     -16     -7 |       4     16
irf   xxxxx |       2      23     -36      -6     -3 |       8     17
jpl   uuuuu |     -18      15     -73      -5     15 |      22     26
mit   uuuuu |       9     -30     -78      45     -9 |      19     26
ngs   uuuuu |     -11      12     194     159     -3 |      11     17
sio   uuuuu |      40      43      85     150     -8 |      46     48

Table 7.1699.3   GPS week: 1699   Day: 3   MJD: 56140.500

                                                         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 |      -6     -41     -18       0    -13 |       6     13
emr   uuuuu |      -4     -33     357      72     13 |      22     25
esa   uuuuu |     -15     -28     -94     -99     -6 |      17     21
gfz   uuuuu |       1      15      66      28      1 |       3     11
grg   uuuux |      14      19     -56    -172     -8 |      -9     21
igr   xxxxx |      -2      25      13      44     -9 |       1     12
irf   xxxxx |       4      27      -9      20     -5 |       4     11
jpl   uuuuu |     -37     -30      58     -12     -7 |      21     24
mit   uuuuu |      28      -1     -96      86     -5 |      15     20
ngs   uuuuu |      -7      41     -45      10      2 |       8     11
sio   uuuuu |      53      57     121     222    -13 |      42     43

Table 7.1699.4   GPS week: 1699   Day: 4   MJD: 56141.500

                                                         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 |      26     -24     -10    -165    -11 |       5     11
emr   uuuuu |     -11       9     140       0     25 |      22     26
esa   uuuuu |      -9     -32      37       4     -6 |      16     19
gfz   uuuuu |       6      -1      65      57     -1 |       3     10
grg   uuuux |      56      23     -50     -86     61 |     -10     21
igr   xxxxx |     -33      14      -5     -54      3 |      -1      9
irf   xxxxx |       9      13     -15      14     -5 |       3     10
jpl   uuuuu |    -110      13      68     -20     13 |      21     23
mit   uuuuu |      26     -35    -161     125     -4 |      13     17
ngs   uuuuu |      32      74    -125    -190     -2 |       8     12
sio   uuuuu |      54      22      68     162    -16 |      41     42

Table 7.1699.5   GPS week: 1699   Day: 5   MJD: 56142.500

                                                         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 |     -11     -35      65    -100    -12 |       6     12
emr   uuuuu |     -41     -11     120    -111     -2 |      27     32
esa   uuuuu |     -20     -31      83      26     -9 |      17     19
gfz   uuuuu |      20      -3      -2      54     -1 |       5     12
grg   uuuux |      32      42    -193    -166     56 |      -4     30
igr   xxxxx |     -49      -4      -2     -48     -5 |       1     11
irf   xxxxx |     -17      16     -70     -58     -1 |       4     10
jpl   uuuuu |     -51     -25      -6     -86      6 |      25     28
mit   uuuuu |       8     -17    -210       0      5 |      14     18
ngs   uuuuu |      46      58      55      83      2 |      10     13
sio   uuuuu |       9      36      15      36     -3 |      41     42

Table 7.1699.6   GPS week: 1699   Day: 6   MJD: 56143.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   xxxxx |      -8     -21      85     -99     -3 |       3     14
emr   uuuuu |     -28     -21     107    -212     17 |      26     31
esa   uuuuu |     -25     -24       4       7      0 |      13     18
gfz   uuuuu |       8      29      72    -148      3 |       3     12
grg   uuuux |      28       5     -19     -70     71 |      -1     32
igr   xxxxx |     -35      -2      43     -60      2 |      -1     13
irf   xxxxx |       2       6     -43      -8      0 |       2     11
jpl   uuuuu |     -72      15      -4     -93     19 |      24     27
mit   uuuuu |      54     -25    -217     113      2 |      11     16
ngs   uuuuu |      29      30      48     191    -12 |       9     13
sio   uuuuu |      48       8      29     108     -4 |      38     39



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