Subject: [IGSREPORT-6891] Wk 1046 IGS Final Orbits
From: [email-masked]
To: [email-masked] (IGS Report Mailbox), [email-masked] (Tim Springer), [email-masked] (Heike Bock), [email-masked] (Rolf Dach)
Date: Thu, 10 Feb 2000 14:43:15 +0100 (MET)

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IGS Electronic Report   10 Feb 05:43:31 PST 2000      Message Number 6891
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Author:  AC Coordinator / AIUB/CODE

Final IGS Orbit Combination - Week 1046   (Jan 23, 2000 - Jan 29, 2000)

Contacts: T.A. Springer ([email-masked]),
          H. Bock ([email-masked]), R. Dach ([email-masked])

COMBINATION STRATEGY:

For a complete description of combination strategy, please refer to the report
posted on CDDIS (IGS10467.SUM).

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:

 IGS10460-6.SP3  IGS GPS ephemeris files for days 0-6, week 1046 in SP3 format.
 IGS10467.ERP    Earth Rotation Parameters (ERP) and their rates as well as
                 Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                 with IGS ephemerides.
 IGS10467.SUM    Complete report.

REMARKS on IGS Final Orbit Combination:

1. The centres used in the clock combination are COD, EMR, ESA, GFZ 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.

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. Centre clock weights were determined using the following satellites:

         Day | PRN list | Ref. Centre 
        -----+----------+-----------------
          0  |    All   |    COD  (see note below)
          1  |    All   |    COD  (see note below)
          2  |    All   |    COD  (see note below)
          3  |    All   |    COD  (see note below)
          4  |    All   |    COD  (see note below)
          5  |    All   |    COD  (see note below)
          6  |    All   |    COD  (see note below)

     Note: A chosen reference centre is aligned to the broadcast GPS clocks
           using all satellites; all other centres are then aligned to that
           reference centre. The clock weights are computed from the absolute
           deviation of centre's aligned clock corrections with respect to the
           unweighted mean.

5. The following table lists all maneuvered satellites for this week.
   The ESA solution which modeled the maneuver is provided for that satellite
   on that day as the combined solution. An associated accuracy code of 0
   (unknown) was given since there was no redundancy. These satellites were
   excluded from the long arc evaluation on these days due to unrealistic RMS
   caused by the maneuver.

               PRN | Day |    Date    | Ref. NANU
               ----+-----+------------+-----------
                18 |  2  | 2000_01_25 | 2000019
                01 |  5  | 2000_01_28 | 2000022
                01 |  6  | 2000_01_29 | 2000021 (Predicted)

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
                  ----+--------+---------------
                   1  |  ESA   |  23
                   3  |  ESA   |  23
                   6  |  NGS   |  18

7. Velocity changes were estimated for the following satellites to
   alleviate the effects of modeling problems, experienced by all centres,
   in the Long Arc (LA) process:

                  ---------+-----------------------
                  PRN list | 1 14 15 16 19 23 24 29
                  ---------+-----------------------

     Note: PRN 18 was removed from the long-arc because of severe modeling
           problems.

8. Starting on 01 August 1999 (GPS Week 1021, day 0, MJD 51391) all IGS 
   products, including the IGS combined orbits, are based on ITRF97.

9. In this weeks navigation solution there is an additional solution
   labeled "igc". The orbit of this solution is the same as the orbit
   of the "igs" solution. The clocks, however, are based on a new clock
   combination scheme which uses the clock rinex files as input. In the
   near future this "igc" solution will replace the "igs" solution.
   The "igc" solution is now included for test purposes only. Some
   prelimanry results of the new clock combination may be be found on 
     ftp://ftp.unibe.ch/aiub/springer/clock
       files: clk*.sum   = Summary of the new clock combination
              igc*.clk.Z = Clock rinex file with combined clocks

10.Starting on 1998-Nov-29 (GPS Week 986, day 0; MJD 51146) all IGS clock
   products reflect the use of the following antenna phase center offsets
   (satellite fixed reference frame):

     Block II/IIA: 0.279 0.000 1.023  X, Y, Z in meters
     Block IIR   : 0.000 0.000 0.000  X, Y, Z in meters

ORBIT COMBINATION AND EVALUATION STATISTICS:

For a complete description of tables and statistics, please refer to the report
posted on CDDIS (IGS10467.SUM).

Table 1: Week 1046 summary.                       (Jan 23, 2000 - Jan 29, 2000)

Table 1.1046.a   GPS week: 1046   MJD: 51566.0-51572.0

         Mean and standard deviations of transformation parameters.
         WRMS - orbit RMS weighted by the SP3 header accuracy codes.
         STA  - Mean number of stations in the daily solutions.
         Units: meters, mas, ppb, nano-sec, nano-sec/day.

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  117|0.01 0.00-0.01  0.06  0.18  0.09 -0.2 0.04 0.03 |    3.3   -7.8    0.6
        |0.00 0.00 0.00  0.04  0.08  0.06  0.1           |    3.8    7.4
emr  36 |0.00-0.01 0.00 -0.06 -0.48  0.05  0.3 0.07 0.07 | -931.4  -37.8    0.3
        |0.01 0.02 0.02  0.08  0.08  0.11  0.2           | 1341.1   16.5
esa  57 |0.00 0.00 0.00  0.03  0.10 -0.07  0.2 0.10 0.07 |-1410.0  -41.2    0.3
        |0.00 0.00 0.01  0.10  0.07  0.18  0.1           |   71.6    7.3
gfz  55 |0.00 0.00-0.01  0.03  0.03 -0.15 -0.2 0.03 0.03 |    1.8   -3.1    0.2
        |0.00 0.00 0.00  0.05  0.05  0.08  0.0           |    2.5    6.8
igr  n/a|0.00 0.00 0.00 -0.06  0.03 -0.04  0.0 0.04 0.04 |   -0.2   -0.3    0.3
        |0.00 0.01 0.01  0.10  0.09  0.13  0.1           |    1.4    2.8
jpl  42 |0.00 0.01-0.01 -0.02  0.15  0.06  0.2 0.04 0.04 |    3.7   -6.6    0.3
        |0.00 0.01 0.01  0.10  0.12  0.17  0.1           |    6.4   17.0
ngs  71 |-.01 0.00 0.07  0.04 -0.72  0.20  0.0 0.08 0.08 |   -0.7   -1.2  347.5
        |0.01 0.01 0.01  0.26  0.05  0.25  0.2           |    2.7    1.8
sio  90 |-.01 0.00 0.01 -0.12  0.14 -0.08 -0.2 0.05 0.05 |    0.0    0.0    0.0
        |0.00 0.00 0.00  0.06  0.17  0.29  0.1           |    0.0    0.0

Table 1.1046.b   GPS week : 1046   MJD: 51566.0-51572.0

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

              Day of GPS week
 PRN  |   0   1   2   3   4   5   6 |  Remarks
------|-----------------------------|------------------------------------------
   1E |   2   3   2   3   4   0   6 | Manuever on Day 5
   2  |   2   2   2   2   2   2   2 |
   3  |   2   2   2   2   2   2   2 |
   4  |   1   2   1   2   2   2   2 |
   5  |   1   2   2   2   2   2   2 |
   6  |   2   2   1   2   2   1   2 |
   7  |   2   2   2   3   2   2   2 |
   8  |   2   2   1   2   1   2   1 |
   9  |   2   2   2   2   2   1   1 |
  10  |   2   2   2   2   2   4   3 |
  11  |   4   5   4   4   4   4   3 |
  13E |   2   2   2   2   2   2   3 |
  14  |   3   6   2   4   3   2  14 |
  15  |   3   4   3   2   3   2   2 |
  16  |   2   9   2   6   2   3   5 |
  17  |   2   1   2   2   2   2   2 |
  18E |   9   6   0   7   0   4  18 | Maneuver on Day 2
  19  |   2   2   2   2   3   5   2 |
  21  |   2   2   2   2   2   2   2 |
  22  |   2   2   2   2   2   2   2 |
  23  |   4   3   3   4   2   4   3 |
  24  |   2   2   2   2   2   2   4 |
  25  |   2   2   2   2   2   2   2 |
  26E |   3   2   2   2   2   2   3 |
  27  |   2   2   1   2   2   2   2 |
  29E |   2   2   2   3   3   3   2 |
  30  |   2   1   2   2   2   1   2 |
  31  |   2   2   2   2   2   2   2 |

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.
         Units: meters, mas, ppb, nano-sec, nano-sec/day.

Table 2.1046.0   GPS week: 1046   Day: 0   MJD: 51566.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  117|0.00-0.01-0.01  0.09  0.11  0.05  0.0 0.03 0.03 |    0.9    0.8    1.0
emr  38 |0.01-0.01 0.01  0.08 -0.46 -0.04  0.3 0.06 0.06 | 2107.0   -2.9    0.3
esa  57 |0.00-0.01-0.01  0.03  0.17  0.13  0.3 0.10 0.07 |-1315.0  -31.6    0.4
gfz  53 |0.00 0.00 0.00  0.09  0.02 -0.13 -0.1 0.03 0.03 |   -2.0    7.2    0.1
igr  n/a|0.00 0.00-0.01  0.04 -0.01 -0.29 -0.1 0.05 0.05 |   -0.7    0.2    0.3
jpl  42 |0.00 0.02-0.03 -0.06  0.24 -0.19  0.2 0.04 0.04 |   -0.7    6.9    0.3
ngs  71 |-.01-0.01 0.06 -0.20 -0.69 -0.21  0.1 0.08 0.08 |    0.3    0.4   79.0
sio  85 |-.01-0.01 0.02 -0.21  0.08  0.43 -0.2 0.05 0.05 |    0.0    0.0    0.0

Table 2.1046.1   GPS week: 1046   Day: 1   MJD: 51567.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  117|0.01 0.00-0.01  0.09  0.26  0.10 -0.1 0.03 0.03 |    8.4  -17.7    0.4
emr  38 |0.01-0.02 0.01 -0.06 -0.59  0.02  0.4 0.07 0.07 |-1354.1  -41.7    0.5
esa  57 |0.01 0.01 0.00 -0.10  0.19  0.22  0.2 0.13 0.09 |-1342.9  -41.3    0.3
gfz  55 |0.00 0.00-0.01  0.06  0.13 -0.08 -0.2 0.04 0.04 |    0.1   -1.0    0.3
igr  n/a|0.00 0.00-0.01 -0.14 -0.06 -0.02 -0.1 0.05 0.04 |   -2.0    2.5    0.4
jpl  42 |0.00 0.00-0.01  0.05  0.07 -0.16  0.2 0.03 0.03 |   14.4  -33.9    0.3
ngs  71 |-.02 0.01 0.07 -0.34 -0.74 -0.03 -0.2 0.08 0.08 |   -2.1   -1.7   82.6
sio  92 |-.01 0.00 0.02 -0.06  0.03  0.10 -0.2 0.05 0.05 |    0.0    0.0    0.0

Table 2.1046.2   GPS week: 1046   Day: 2   MJD: 51568.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  117|0.01 0.00-0.02  0.06  0.30  0.09 -0.2 0.03 0.03 |    2.0   -6.2    0.3
emr  38 |0.01-0.02 0.00 -0.08 -0.46  0.13  0.3 0.07 0.07 |-1385.9  -35.7    0.3
esa  57 |0.00 0.00-0.01  0.11 -0.02 -0.13  0.2 0.09 0.07 |-1375.0  -34.3    0.4
gfz  58 |0.01 0.01-0.01  0.07  0.04 -0.27 -0.2 0.03 0.03 |   -0.1    3.0    0.1
igr  n/a|0.00 0.00 0.00  0.05 -0.05 -0.08 -0.2 0.03 0.03 |    1.8   -5.7    0.2
jpl  42 |0.00 0.00 0.00 -0.08  0.04  0.05  0.3 0.03 0.03 |   -4.1   14.2    0.3
ngs  71 |-.01 0.00 0.07  0.01 -0.77  0.32  0.0 0.07 0.07 |    1.5   -3.2   81.1
sio  92 |-.01 0.00 0.01 -0.10  0.05 -0.02 -0.1 0.04 0.04 |    0.0    0.0    0.0

Table 2.1046.3   GPS week: 1046   Day: 3   MJD: 51569.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  117|0.01-0.01-0.01  0.06  0.17  0.00 -0.2 0.04 0.04 |    8.6  -16.0    0.4
emr  38 |-.01 0.02 0.03 -0.07 -0.58  0.25  0.5 0.10 0.08 |-1419.0  -46.7    0.4
esa  57 |0.01-0.01 0.01  0.18  0.15 -0.15  0.2 0.08 0.06 |-1408.0  -45.9    0.3
gfz  53 |0.00-0.01-0.01 -0.01 -0.01 -0.24 -0.1 0.04 0.04 |    4.2   -9.2    0.2
igr  n/a|0.00-0.01 0.01  0.00 -0.01  0.02  0.0 0.03 0.03 |    0.9   -1.2    0.3
jpl  42 |0.00 0.01-0.03  0.05  0.16  0.18  0.2 0.03 0.03 |   10.2  -22.8    0.4
ngs  71 |-.01 0.01 0.08  0.05 -0.74  0.18 -0.2 0.07 0.07 |   -5.4    0.7  897.8
sio  90 |0.00-0.01 0.01 -0.19  0.15 -0.10 -0.2 0.07 0.05 |    0.0    0.0    0.0

Table 2.1046.4   GPS week: 1046   Day: 4   MJD: 51570.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  117|0.01 0.00-0.01  0.03  0.08  0.10 -0.2 0.06 0.04 |   -1.5    1.4    0.3
emr  34 |0.01-0.01-0.02 -0.14 -0.37  0.00  0.1 0.06 0.06 |-1452.1  -42.0    0.3
esa  57 |0.00 0.00 0.01  0.00  0.10 -0.11  0.0 0.08 0.06 |-1441.0  -41.6    0.3
gfz  57 |0.00 0.01 0.00  0.01  0.08 -0.14 -0.1 0.03 0.03 |    2.7   -2.6    0.1
igr  n/a|0.00 0.00 0.00 -0.05  0.07  0.12 -0.1 0.03 0.03 |   -1.0    1.4    0.3
jpl  42 |-.01 0.00-0.02  0.04  0.25  0.18  0.2 0.04 0.04 |    0.8    3.5    0.3
ngs  71 |-.02 0.01 0.07  0.07 -0.79  0.52  0.0 0.08 0.08 |   -1.7   -0.3   79.7
sio  88 |-.01 0.00 0.01 -0.09  0.09 -0.30  0.0 0.05 0.04 |    0.0    0.0    0.0

Table 2.1046.5   GPS week: 1046   Day: 5   MJD: 51571.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  117|0.01 0.00-0.01 -0.01  0.19  0.20 -0.3 0.04 0.03 |    2.3   -8.0    1.1
emr  34 |0.00-0.02-0.02  0.02 -0.46  0.06  0.5 0.07 0.07 |-1486.0  -54.5    0.3
esa  57 |0.00 0.00 0.00 -0.08  0.06 -0.19  0.1 0.08 0.06 |-1473.0  -53.7    0.3
gfz  56 |0.00 0.00-0.01 -0.05 -0.01 -0.03 -0.1 0.03 0.03 |    4.7  -11.1    0.2
igr  n/a|0.00 0.01 0.00 -0.14  0.08 -0.08  0.1 0.05 0.04 |   -1.3    1.9    0.2
jpl  42 |0.00 0.01 0.00  0.06  0.28  0.12  0.1 0.05 0.05 |    3.0   -8.1    0.4
ngs  71 |-.01 0.00 0.06  0.21 -0.69  0.41  0.0 0.07 0.07 |   -0.9   -0.5   81.1
sio  90 |-.01 0.00 0.01 -0.10  0.06 -0.42 -0.3 0.05 0.04 |    0.0    0.0    0.0

Table 2.1046.6   GPS week: 1046   Day: 6   MJD: 51572.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  117|0.00-0.01-0.01  0.06  0.18  0.07 -0.1 0.04 0.03 |    2.4   -8.9    0.4
emr  34 |0.00 0.00-0.02 -0.14 -0.43 -0.05  0.2 0.07 0.07 |-1530.0  -41.2    0.3
esa  57 |0.00 0.00 0.00  0.07  0.06 -0.26  0.2 0.11 0.08 |-1515.0  -40.2    0.3
gfz  50 |0.01 0.00-0.01  0.01 -0.01 -0.15 -0.2 0.03 0.03 |    3.2   -8.2    0.1
igr  n/a|-.01 0.01-0.01 -0.19  0.20  0.06  0.0 0.04 0.04 |    1.1   -1.3    0.3
jpl  42 |0.00 0.00-0.01 -0.20 -0.01  0.21  0.2 0.04 0.04 |    2.4   -6.2    0.3
ngs  71 |-.02 0.00 0.06  0.46 -0.64  0.17  0.3 0.08 0.08 |    3.0   -3.9   80.4
sio  90 |-.01-0.01 0.01 -0.08  0.51 -0.23 -0.3 0.06 0.05 |    0.0    0.0    0.0

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.
         "X" stands for excluded from the combination 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","MD" stands for median of the centre's satellite RMS.

         Units: cm.

Table 3.1046.0   GPS week: 1046   Day: 0   MJD: 51566.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz igr jpl ngs sio  IGS |  cod emr esa gfz igr jpl ngs sio  IGS
------|--------------------------------------|--------------------------------------
   1E |   3   6   8   4  10   4   9   6    2 |   15  17  12  16  16  18  18  23   15
   2  |   2   5   6   2   7   4   7   6    2 |    6  12   8   6   9   9  13  10    9
   3  |   4   7  11   3   5   5   9   5    2 |    4   7   7   4   7   7   9   8    6
   4  |   2   6   4   3   5   3   6   4    1 |    4   9   7   5   7   6   8   6    5
   5  |   2   5   5   2   5   3   6   5    1 |    7  11   9   8  11  12  13  11   10
   6  |   3   6   8   3   4   4   9   5    2 |    4  10   7   4   6   6   9   6    6
   7  |   5   7   8   3   5   4   6   4    2 |    9   8   6   6   7   8   9   9    7
   8  |   2   7   8   2   2   4   8   4    2 |    6  11  10   7   8   9  11  10    8
   9  |   2   5   5   4   5   4   9   4    2 |    4   8   9   5   9  10   9   9    7
  10  |   3   8  12   2   5   4   8   5    2 |    4  13  14   5  11   6  14   9    9
 X11  |   6   8  14   5   5 ---  16  13    4 |    5  10   9   6   7 ---  14  15    7
  13E |   3   6   7   2   3   6   9   7    2 |    5   9   9   5   8   5  13   8    6
  14  |   3   7  25   4   5   6  10   5    3 |    8   8  16   6   7   9   8   5    7
 X15  |   4   7 ---   4   8 ---  12   5    3 |   22  24 ---  23  24 ---  27  24   25
  16  |   2   5   6   4   7   3  10   4    2 |    3   3   4   2   6   3   5   3    3
  17  |   3   5  12   3   4   5   8   3    2 |    4   9  11   5   7   8   8   8    7
 X18E |   9 --- ---  14  41 ---  18 ---    9 |    0 --- ---   0   0 ---   0 ---  ---
  19  |   2   6  10   3   4   5   9   6    2 |    3   3   4   2   3   3   4   3    2
  21  |   3   5   9   2   5   4   7   5    2 |    4  10   9   6   7   8   8  10    8
  22  |   2   6   8   2   6   3   7   4    2 |    5  12   9   7   9   9  11  10    9
 X23  |   6 --- ---   8  17   6   9   7    4 |    3 --- ---   3   5   5   4   4    3
  24  |   2   9   3   2   5   4   8   7    2 |    6  13   7   7   9   7  13  10    9
  25  |   3   7   4   3   5   4   9   5    2 |    6  10   7   7   8   9  10  10    7
 X26E |   5  12   6   4   6 ---   8   4    3 |   18  23  20  20  22 ---  21  21   20
  27  |   3   8  11   5   4   4   7   6    2 |    7  12  12   8   8   8  10  10    6
  29E |   5   6  11   5   5   5   7   5    2 |   10   9  10  10  10  10   9  12    9
  30  |   2   6   9   2   5   3   7   4    2 |    6  11  11   6   9   8  13  10    9
 X31  |   4   7   7   3   6 ---   8   4    2 |    8  10   6   5   6 ---   9   7    7
------|--------------------------------------|--------------------------------------
 RMS  |   3   6  10   3   5   4   8   5      |T   8  11   9   8  10   8  12  11    9
 WRMS |   3   6   7   3   5   4   8   5      |NE  7  11   9   8   9   7  11  10    9
 MEDI |   3   6   8   3   5   4   8   5      |MD  6  10   9   6   8   8  10  10    7

Table 3.1046.1   GPS week: 1046   Day: 1   MJD: 51567.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz igr jpl ngs sio  IGS |  cod emr esa gfz igr jpl ngs sio  IGS
------|--------------------------------------|--------------------------------------
   1E |   3   7  18   9   7   3   8  10    3 |   11  10  11  12  13  12   8  13    8
   2  |   3   7   7   2   3   3   6   4    2 |    3   8   9   4   6   4   7   4    4
   3  |   3   5  11   3   3   3   7   6    2 |    4   5   7   4   5   4   9   8    4
   4  |   3   6  11   3   4   3   9   4    2 |    3   8  11   6   6   4  11   5    5
   5  |   3   8   7   3   3   3   7   4    2 |    5  10   9   5   4   5   9   6    6
   6  |   2   6   8   3   3   3   7   5    2 |    3   6   6   3   5   3   7   3    3
   7  |   5   6  10   2   5   3  12   4    2 |    6   7   9   6   7   4   9   5    5
   8  |   2   9  10   2   3   2   5   4    2 |    5   9  10   5   5   5   6   5    5
   9  |   3   6  11   2   3   2   9   3    2 |    5   6  11   5   4   5   7   5    4
  10  |   3   7  15   2   3   2   7   5    2 |    5   8  14   5   6   4   9   7    6
 X11  |   7  10  22   6   3 ---  11  13    5 |    5   9  13   5   4 ---  10  11    5
  13E |   2   7  12   3   4   5   8   7    2 |    6   7  15   6   6   7   8   6    5
 X14  |  14 --- ---  15  18  13  11   5    6 |   18 --- ---  15  20  14  15  12   14
 X15  |   5  14 ---   3   3 ---  12   5    4 |   16  18 ---  16  16 ---  19  18   18
 X16  |  10 --- --- ---  28  12  16 ---    9 |   14 --- --- ---  10   5  12 ---    8
  17  |   3   4   6   2   4   3   7   3    1 |    4   6   8   5   6   4   7   5    5
 X18E |   8 --- ---  12  32 ---  16  10    6 |    0 --- ---   0   0 ---   0   0  ---
  19  |   3  10   6   3   5   5  11   6    2 |    3   4   4   2   3   3   6   5    2
  21  |   3   5   7   2   5   3   5   4    2 |    5   8   7   4   7   5   7   7    5
  22  |   3   7  13   3   5   4  10   5    2 |    4   9  13   4   8   5  13   7    5
  23  |   6   8  41   8  18   4   7   6    3 |    4   7   3   4   6   4   6   3    3
  24  |   2   8   8   3   3   3   6   5    2 |    5   8   7   5   7   5   8   6    5
  25  |   3   7   7   3   4   2   7   4    2 |    5   8   7   7   8   7   8   8    5
  26E |   3   7  11   6   3   3   6   4    2 |   11  11  14  12  12   8  13  11   10
  27  |   2   5   8   3   5   2   9   4    2 |    7   8   7   9   9   8  10   7    7
  29E |   4  11   6   5   4   4  10   6    2 |   13  13  15  14  13  14  14  15   12
  30  |   2   5   7   3   3   2   7   4    1 |    4   6   7   4   4   3   6   5    4
  31  |   5   6  11   3   3   4   8   5    2 |    5   6   9   4   5   4   9   6    4
------|--------------------------------------|--------------------------------------
 RMS  |   3   7  13   4   5   3   8   5      |T   7   8   9   7   8   6   9   8    7
 WRMS |   3   7   9   4   4   3   8   5      |NE  8   8   8   7   9   6  10   8    7
 MEDI |   3   7  10   3   4   3   8   5      |MD  5   8   9   5   6   5   9   6    5

Table 3.1046.2   GPS week: 1046   Day: 2   MJD: 51568.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz igr jpl ngs sio  IGS |  cod emr esa gfz igr jpl ngs sio  IGS
------|--------------------------------------|--------------------------------------
   1E |   3   8   9   8   3   3   5   7    2 |    6   6   5   4   4   5   5   5    5
   2  |   3   7   7   3   3   3   7   5    2 |    4   9   6   4   5   5   7   5    4
   3  |   3   7   8   2   3   3   7   3    2 |    5   6   6   3   4   4   7   5    4
   4  |   2   6   6   2   3   2   4   4    1 |    4   8   8   5   5   5   7   5    4
   5  |   2   7   7   2   2   2   7   5    2 |    5   9   8   5   5   5   7   5    5
   6  |   2   5   5   2   3   3   7   4    1 |    4   6   4   4   4   3   7   4    3
   7  |   4   8  11   2   4   2   7   3    2 |    7   9   9   7   6   7   7   7    6
   8  |   3   6   4   2   4   3   7   3    1 |    6   8   5   5   6   7   8   6    5
   9  |   2   8   6   2   3   2   9   4    2 |    4  10   7   5   6   5   8   5    5
  10  |   3   6  12   2   2   2   6   5    2 |    4   8  12   5   5   6  10   5    6
 X11  |   6   9   9   5   5 ---  14  13    4 |    4   7  11   5   6 ---  13  15    7
  13E |   3   6  20   2   5   4   6   6    2 |    6  10  16   6  10   7   7  10    6
  14  |   2   9   7   2   4   3   8   4    2 |    7   7   6  10   9   6   8   9    7
 X15  |   5   9   9   3   6 ---  10   4    3 |   11  13   6  13  13 ---  14  12   13
  16  |   3   9  18   3   3   3   8   3    2 |    8   6   3   4   6   2   7   4    5
  17  |   3   8   7   3   3   3   7   3    2 |    4   7   7   4   4   5   6   4    4
 X18E | --- ---   1 --- --- --- --- ---    0 |  --- ---   0 --- --- --- --- ---  ---
  19  |   3   5   9   3   4   2   7   4    2 |    3   4   5   2   3   3   5   3    2
  21  |   3   7   6   3   3   3   7   3    2 |    4   7   6   5   5   4   7   6    5
  22  |   2   5   7   3   3   2   8   4    2 |    5   9   7   5   6   6  11   8    6
 X23  |   5   8 ---   6   7   4   8   7    3 |    2   4 ---   3   3   4   4   2    2
  24  |   2   7   4   3   3   2   5   7    2 |    5  11   7   6   7   6   8   6    6
  25  |   4   6  10   3   4   3   5   4    2 |    6   7  10   6   8   7   6   9    5
  26E |   3   5   8   4   3   3   8   5    2 |   13  14  15  13  14   8  16  15   13
  27  |   2   4   6   3   3   2   6   4    1 |    5   7   6   5   6   5   6   7    5
  29E |   5   6   9   5   3   2   8   4    2 |   10   9  13   9  10  10  11  12    9
  30  |   3   7   9   2   4   2   5   5    2 |    4   8   9   6   5   4   7   6    5
  31  |   4   6   5   3   2   3   6   4    2 |    5   7   7   4   4   3   6   4    4
------|--------------------------------------|--------------------------------------
 RMS  |   3   7   9   3   3   3   7   4      |T   6   8   8   6   6   5   8   7    6
 WRMS |   3   7   7   3   3   3   7   4      |NE  5   7   7   6   6   4   8   7    6
 MEDI |   3   7   7   3   3   3   7   4      |MD  5   8   7   5   6   5   7   6    5

Table 3.1046.3   GPS week: 1046   Day: 3   MJD: 51569.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz igr jpl ngs sio  IGS |  cod emr esa gfz igr jpl ngs sio  IGS
------|--------------------------------------|--------------------------------------
   1E |   4   9  18   9   3   4   9   8    3 |   10  10  10  11  12  10  10  15   10
   2  |   3  14   5   2   3   3   7   5    2 |    6  16   7   7   8   7   9   8    7
   3  |   7   9   8   4   2   2   7   3    2 |    6   9  10   6   6   6   8   7    5
   4  |   3   8   8   3   4   3   7   5    2 |    5   8  10   6   7   5   8   5    4
   5  |   3   9   5   2   3   3   7   6    2 |    6  10   6   7   7   8  10   8    7
   6  |   3   9   7   3   2   3   6   4    2 |    4   9   6   5   5   6   8   5    5
   7  |   4  26   7   3   4   4   8   5    3 |    6  25   6   5   6   7   8   7    5
   8  |   3   7   4   2   3   4   6   3    2 |    5   6   5   5   7   6   9   5    4
   9  |   3   7   6   2   4   3   7   4    2 |    4  10   7   5   6   5   7   7    4
  10  |   3   7   9   3   2   2   5   5    2 |    5  12  13   7   7   5   7   7    7
 X11  |   7   9   9   5   3 ---  13  13    4 |    4   8  10   5   7 ---  10  14    6
  13E |   3   9  10   4   4   4   7   9    2 |    7  12  14   7   7   9  11  11    7
  14  |   9  10  13   3   6   3  12  19    4 |    9   9  10   6   8   5  10  16    5
 X15  |   4   5   4   4   4 ---  10   5    2 |    8  11   4   9  11 ---  12   9    9
 X16  |   8  25 ---   7  16  14  10  15    6 |   13   8 ---  12   8   4  12  11    9
  17  |   3   9   5   3   2   4   8   3    2 |    4   9   4   4   5   7   5   4    4
 X18E |   7 ---  27 ---  29   6 ---  10    7 |    0 ---   0 ---   0 --- ---   0  ---
  19  |   6   8   5   3   3   3   8   6    2 |    3   4   3   2   2   2   5   3    2
  21  |   4   6   9   3   3   3   7   4    2 |    5  10  11   6   6   8  10   6    6
  22  |   4   8   6   3   3   3   6   5    2 |    6  10   9   6   7   7   9  10    7
 X23  |   6 ---  39   9  18   6   7   7    4 |    3 ---   3   2   3   3   3   2    2
  24  |   3   7   7   3   4   3   6   5    2 |    6   7   5   5   5   6   8   6    5
 X25  |   2   7   6   3   4 ---   6   5    2 |    5   5   7   6   7 ---   6   6    5
  26E |   4   7  14   5   3   3   8   4    2 |   12  17  17  14  14   9  14  15   13
  27  |   3   9   3   2   2   2   8   6    2 |    7   6   5   7   6   7  10   7    5
  29E |   5   6   6   8   3   5   9   9    3 |    8   8  12  12   9   8   9   9    8
  30  |   3   6   5   4   4   3   7   7    2 |    5   8   5   6   6   7   9   9    6
  31  |   6   6   6   4   3   3   6   5    2 |    8   8   8   7   6   5   8   8    7
------|--------------------------------------|--------------------------------------
 RMS  |   4  10   8   4   3   3   7   7      |T   6  10   8   7   7   6   9   8    6
 WRMS |   4   8   6   4   3   3   7   5      |NE  6   8   7   6   6   5   8   8    6
 MEDI |   4   8   7   3   3   3   7   5      |MD  6   9   7   6   7   7   9   7    6

Table 3.1046.4   GPS week: 1046   Day: 4   MJD: 51570.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz igr jpl ngs sio  IGS |  cod emr esa gfz igr jpl ngs sio  IGS
------|--------------------------------------|--------------------------------------
   1E |  15   9  11   5   5   5  11  12    4 |   20  18  16  18  17  22  17  24   17
   2  |   4   4   5   3   3   3   7   5    2 |    7  10   4   5   6   7   8   6    6
   3  |   7   5   7   3   3   3   7   4    2 |    6   8   5   4   4   5   6   6    4
   4  |   4   5   4   2   5   3   6   4    2 |    4   8   6   4   6   4   8   6    4
   5  |   3   5   5   2   3   3   6   6    2 |    5   7   4   5   5   5   9   6    5
   6  |   3   5   6   2   2   3   6   4    2 |    4   7   5   4   4   4   9   4    4
   7  |   5   5   6   2   2   3   5   4    2 |    6  11   6   5   6   6   8   6    5
   8  |   3   6   4   2   3   2   7   3    1 |    5   7   5   3   4   4   8   4    3
   9  |   3   5   5   2   2   2   7   4    2 |    3   6   4   3   3   3   7   4    3
  10  |   3   9  11   2   2   3   5   5    2 |    5  12  11   5   6   7   9   7    6
 X11  |   6   9   8   5   4 ---  10  13    4 |    6   8   9   6   7 ---  12  14    6
  13E |   3   7   6   3   2   6   6   7    2 |    8   9  11   8   7  10   9   7    7
  14  |  10   7   5   3   3   5  11   5    3 |   11   6   4   5  11   6   9   7    7
 X15  |   7   6   6   3   4 ---   9   6    3 |    8  10   4   9  10 ---  11   9    9
 X16  |   6   8 ---   2   3   3   8   5    2 |    7   5 ---   6   7   3   8   6    5
  17  |   3   6   7   2   3   2   7   4    2 |    5   9   7   4   5   3   5   6    4
 X18E |   1 --- --- --- 128 --- --- ---    0 |    0 --- --- ---   0 --- --- ---  ---
  19  |   7   5  14   3   5   5   9   6    3 |    3   6   4   3   4   3   6   5    3
  21  |   4   4   7   2   3   3   9   2    2 |    6   9  10   7   7   6   9   8    7
  22  |   4   4   4   2   3   9   8   5    2 |    6   7   6   5   6  10  10   7    5
 X23  |   6   8 ---   4   9   3   7   6    2 |    4   3 ---   5   6   3   7   5    4
  24  |   3   5   5   2   4   5   8   5    2 |    6   7   7   5   6   5   9   8    5
  25  |   3   9   3   2   3   3   7   4    2 |    4   8   4   4   5   7   7   6    4
  26E |   3   4  12   3   3   4   7   4    2 |   14  15  15  15  15   7  17  17   14
  27  |   4   6   3   3   2   3   5   5    2 |    3   9   4   5   4   6   7   6    4
  29E |   6   6  13   6   4   7  11   3    3 |   10  12  18  14  14  13  13  15   12
  30  |   3   7   7   2   2   3   6   5    2 |    5  10   6   6   5   5   9   6    5
  31  |   9   4   8   3   4   4   8   6    2 |   12   8   6   5   6   5   8   9    6
------|--------------------------------------|--------------------------------------
 RMS  |   6   6   8   3   3   4   8   5      |T   7   9   8   7   7   7   9   9    6
 WRMS |   4   6   6   3   3   4   8   4      |NE  6   8   6   5   6   5   8   7    5
 MEDI |   4   6   6   2   3   3   7   5      |MD  6   8   6   5   6   5   9   6    5

Table 3.1046.5   GPS week: 1046   Day: 5   MJD: 51571.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz igr jpl ngs sio  IGS |  cod emr esa gfz igr jpl ngs sio  IGS
------|--------------------------------------|--------------------------------------
  X1E | --- ---   1 --- --- --- --- ---    0 |  --- ---  10 --- --- --- --- ---   10
   2  |   1   8   5   2   4   4   6   6    2 |    4   9   5   5   6   5   7   5    4
   3  |   4   7   6   3   4   3  10   4    2 |    3   9   5   5   6   4  13   6    4
   4  |   4   7   5   3   2   4   6   4    2 |    5  10   7   8   7   5   7   6    6
   5  |   3   5   5   3   3   2   7   6    2 |    6   6   5   5   5   5   9   6    5
   6  |   2   5   6   2   2   3   6   4    1 |    3   3   5   3   2   4   7   4    2
   7  |   4   7   5   2   3   4   6   3    2 |    6   6   5   5   5   5   6   6    4
   8  |   3   9   6   3   4   2   7   4    2 |    5  10   6   5   6   6   7   5    4
   9  |   2   4   5   2   2   2   8   3    1 |    5   7   4   4   5   4   8   4    4
  10  |   3   6  10   4   8  20  10   8    4 |    5   7  11   4  12  12   7   5    7
 X11  |   5   9  11   5   8 ---  11  13    4 |    5   8   9   6   8 ---  11  13    6
  13E |   2   6   5   3   7   7   6   6    2 |    6   8   9   8   7   6   8   9    6
  14  |   9   6   8   4   5   3   9   5    2 |   14   6   6   6  11  15  16   7   13
 X15  |   6   6   7   3   6 ---   9   5    2 |   10  11   3  11  11 ---  11  11   11
  16  |   7   9  10   4   5   4   9   4    3 |    3   5   2   4   4   3   6   4    3
  17  |   3   7   5   3   4   3   8   3    2 |    5   9   7   6   6   4   7   4    4
 X18E |   9  12 ---   6  14 ---  11   8    4 |    0 --- ---   0   0 ---   0   0  ---
 X19  |  13  14 ---   8   7  13  13   9    5 |   13   8 ---   6   7   5   8   9    7
  21  |   3   5   4   2   4   3   7   4    2 |    5   5   6   5   5   4   6   7    5
  22  |   3   8   7   3   7   4   7   5    2 |    4   8   6   4  10   7  10   7    5
 X23  |   8  10 ---  12   6   5  12   7    4 |    4   4 ---   4   4   3   5   3    3
  24  |   4   7   6   3   5   3   7   6    2 |   11   9   7   8   8   8  11  10    8
  25  |   3   6   4   3   5   2   8   4    2 |    4   7   3   5   5   4   6   4    3
  26E |   2   6  10   3   4   3   7   4    2 |   11  12  14  11  12   7  14  13   11
  27  |   3   5   6   2   3   4   5   5    2 |    5   7   5   5   6   7   9   6    5
  29E |   7   6  18   5   5   3   6   4    3 |   12  11  20  13  14  14  12  17   13
  30  |   2   5   6   2   4   2   6   3    1 |    5   7   6   5   5   4   8   5    5
  31  |   6   6   8   5   4   5   9   3    2 |    8   8   6   6   5   6  11   7    6
------|--------------------------------------|--------------------------------------
 RMS  |   4   7   8   3   5   5   7   5      |T   7   7   7   6   7   6   9   7    6
 WRMS |   3   7   6   3   4   5   7   4      |NE  7   7   6   5   7   7   9   7    6
 MEDI |   3   6   6   3   4   3   7   4      |MD  5   8   6   5   6   5   8   6    5

Table 3.1046.6   GPS week: 1046   Day: 6   MJD: 51572.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz igr jpl ngs sio  IGS |  cod emr esa gfz igr jpl ngs sio  IGS
------|--------------------------------------|--------------------------------------
  X1E | --- ---  22   8 ---   7  13 ---    6 |  --- ---   0   0 ---   0   0 ---  ---
   2  |   3   4   6   2   4   3   9   4    2 |   10   8   7   8   8   7   8   9    7
   3  |   4   6   7   3   4   6   8   5    2 |    6   8   7   5   6   5   9   8    5
   4  |   3   7  13   3   2   3   8   7    2 |    9   9  11  10   7   6   9   8    7
   5  |   2   5   8   3   6   4   9   5    2 |    6   7   5   6   7   6  12   8    5
   6  |   4  10   7   4   2   4   7   5    2 |    6  11   5   7   5   6   8   7    5
   7  |   4   7   7   2   3   3   6   6    2 |   10   8   7   8   8   8   8   9    7
   8  |   2   4   5   2   5   2   7   4    1 |    8   7   6   8   8   6   7   7    5
   9  |   3   5   6   2   2   2   6   3    1 |    6   7   7   6   5   5   6   6    4
 X10  |   3   9  10   2   6 ---   8   8    3 |    7  10  13   8  10 ---  12   9    8
 X11  |   5   8  11   4   6 ---  11  13    3 |    8   6   8   8   9 ---  11  16    7
  13E |   3   8  12   2   4   8   5  11    3 |    6   7  14   6   6   7   7   9    6
 X14  |  21 --- --- --- 144  20  18 ---   14 |   32 --- --- ---  37  32  32 ---   30
 X15  |   4   5   7   3   5 ---   9   5    2 |   12  13   5  13  13 ---  13  14   12
 X16  |  12  15 ---   9   9  15  14   9    5 |    8   4 ---   7   5   3   7   5    4
  17  |   3   6   4   2   4   2  11   4    2 |   10   5   6   8   7   7   7   6    6
 X18E |  13 --- --- ---  23 ---  42  26   18 |    0 --- --- ---   0 ---   0   0  ---
  19  |   4   9   8   3   4   3  12   7    2 |    9   6   4   5   6   5  10   8    6
  21  |   3   4   5   3   3   3   7   4    2 |    9   9   8  10   9   8   8  10    7
  22  |   4   7   6   3   6   6   8   7    2 |    8   8   6   8  10   8   8   9    6
 X23  |   5   6 ---   5  10   4   8   7    3 |    4   3 ---   4   3   4   4   3    3
  24  |  10  10  29   7   9   7  13  10    4 |   20  16  15  18  15  16  21  20   17
  25  |   4   6   7   3   3   4   8   6    2 |    8   7   8   7   8   7   7   8    5
  26E |   3   8  16   4   4   6   9   5    3 |   15  18  18  15  16  11  15  17   15
  27  |   3   7   5   2   4   3   6   4    2 |    8   8   5   8   9   7  10  10    6
  29E |   3   4  15   5   3   4   7   7    2 |   17  14  21  19  16  17  15  19   16
  30  |   1   6   8   3   3   4   8   4    2 |    7   8   6   6   7   8  10   9    6
  31  |   4   7   9   3   5   5   8   5    2 |    8   7   9   6   5   5   9   9    6
------|--------------------------------------|--------------------------------------
 RMS  |   4   7  11   3   4   4   8   6      |T  11   9   9   9  11  10  11  10    9
 WRMS |   3   7   8   3   4   4   8   5      |NE 12   8   8   8  12  11  13  10   10
 MEDI |   4   7   8   3   4   4   8   6      |MD  8   8   7   8   8   7   9   9    6

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.
	 U    - Station Used in centre's solution (at least one day).
         Units: centimetres.

Table 4.1046   GPS week: 1046   MJD: 51566.0-51572.0

CENT| CLK EPO  |      BRUS      |      WILL      |
----|----------|----------------|----------------|
cod | emr 2582 |U  10   14   19 |U   6    7   11 |
emr | esa 2450 |    8    7   11 |U   3    2    4 |
esa | gfz 2279 |    9    8   11 |    5    3   10 |
gfz | igc 2596 |    8    6   11 |    2    2    3 |
igc | igr 2616 |   17   11   13 |    3    4    5 |
igr | igs 2640 |   14    8   16 |    3    3    5 |
igs | jpl 2622 |    8    6   10 |    3    3    5 |
jpl | jpl 2321 |    8    9   13 |    4    3    6 |

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: centimetres.

Table 5.1046.0   GPS week: 1046   Day: 0   MJD: 51566.0

CENT| CLK EPO  |      WILL      |
----|----------|----------------|
cod | emr 2688 |    6    7   12 |
emr | esa 2484 |    2    2    5 |
esa | gfz 2365 |    6    4   12 |
gfz | igc 2666 |    1    1    2 |
igc | igr 2677 |    5    3    4 |
igr | igs 2650 |    2    3    5 |
igs | jpl 2688 |    2    2    3 |
jpl | jpl 2189 |    8    3   11 |

Table 5.1046.1   GPS week: 1046   Day: 1   MJD: 51567.0

CENT| CLK EPO  |      WILL      |
----|----------|----------------|
cod | emr 2658 |    6    6    9 |
emr | esa 2386 |    2    2    4 |
esa | gfz 1991 |    6    3   12 |
gfz | igc 2570 |    2    1    3 |
igc | igr 2571 |    3    4    5 |
igr | igs 2671 |    2    2    5 |
igs | jpl 2686 |    3    3    4 |
jpl | jpl 2387 |    4    3    4 |

Table 5.1046.2   GPS week: 1046   Day: 2   MJD: 51568.0

CENT| CLK EPO  |      WILL      |
----|----------|----------------|
cod | emr 2565 |    6    6   12 |
emr | esa 2580 |    2    2    3 |
esa | gfz 2336 |    8    5   15 |
gfz | igc 2576 |    1    1    2 |
igc | igr 2591 |    3    5    5 |
igr | igs 2581 |    4    4    7 |
igs | jpl 2651 |    3    2    4 |
jpl | jpl 2384 |    3    3    4 |

Table 5.1046.3   GPS week: 1046   Day: 3   MJD: 51569.0

CENT| CLK EPO  |      WILL      |
----|----------|----------------|
cod | emr 2643 |    5    9   13 |
emr | esa 2271 |    4    4    8 |
esa | gfz 2360 |    2    2    4 |
gfz | igc 2560 |    2    2    3 |
igc | igr 2649 |    3    3    6 |
igr | igs 2656 |    2    2    5 |
igs | jpl 2671 |    3    3    4 |
jpl | jpl 2338 |    3    2    5 |

Table 5.1046.4   GPS week: 1046   Day: 4   MJD: 51570.0

CENT| CLK EPO  |      BRUS      |      WILL      |
----|----------|----------------|----------------|
cod | emr 2660 |   10   17   16 |    6    6    9 |
emr | esa 2580 |   10    8    9 |    2    2    4 |
esa | gfz 2284 |   12    8   11 |    2    2    4 |
gfz | igc 2577 |   10    4    7 |    2    2    3 |
igc | igr 2585 |   12    5    8 |    2    3    4 |
igr | igs 2672 |   10    5   11 |    2    2    5 |
igs | jpl 2687 |    9    7    8 |    5    4    6 |
jpl | jpl 2360 |    3    2   12 |    3    4    7 |

Table 5.1046.5   GPS week: 1046   Day: 5   MJD: 51571.0

CENT| CLK EPO  |      BRUS      |      WILL      |
----|----------|----------------|----------------|
cod | emr 2591 |    6   13   16 |    6    6   10 |
emr | esa 2488 |    4    4    7 |    2    2    3 |
esa | gfz 2056 |    8    9   13 |    2    3    5 |
gfz | igc 2573 |    8    4    7 |    1    1    2 |
igc | igr 2584 |    5    9    9 |    2    4    4 |
igr | igs 2581 |    8    6   11 |    2    2    4 |
igs | jpl 2632 |    8    4    7 |    2    1    2 |
jpl | jpl 2296 |    8    6    7 |    3    3    6 |

Table 5.1046.6   GPS week: 1046   Day: 6   MJD: 51572.0

CENT| CLK EPO  |      BRUS      |      WILL      |
----|----------|----------------|----------------|
cod | emr 2271 |   12   12   25 |    6    9   11 |
emr | esa 2360 |    8    9   16 |    3    2    4 |
esa | gfz 2560 |    4    6    9 |    6    3    9 |
gfz | igc 2649 |    7    8   16 |    2    2    3 |
igc | igr 2656 |   26   17   20 |    3    3    5 |
igr | igs 2671 |   20   11   22 |    4    3    5 |
igs | jpl 2338 |    7    7   14 |    4    4    9 |
jpl | jpl 2291 |   11   15   19 |    2    3    4 |

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 (10**-5")                           
         Ypole,Yrt: y pole and y pole rate (10**-5"/day)                       
         LOD: Length Of Day (us)                                               
                                                                               
         AC LOD BIAS: 21-day mean LOD bias with respect to Bulletin A (us)     
         AC LOD BIAS RMS: RMS of AC LOD BIAS (us)                              
                                                                               
         FLAG: "u" (used), "x" (excluded), "-" (no submission)                 
               for Xpole, Ypole, Xrt, Yrt and LOD                              

Table 6.1046   GPS week: 1046   MJD: 51566.5-51572.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS RMS  
------------------------------------------------------------------------
cod   uuuuu |    -20     -4      5     -5     38 |     -10     35
            |      7      3     30     19     10 |       2
emr   uuuuu |     53     -2     21     18     20 |     -27     36
            |      9     11     27     34     33 |       2
esa   uuuuu |    -19    -13      4    -16      0 |      18     32
            |     11      6     24     35     18 |       2
gfz   uuuuu |     -6      2      6    -10      7 |      -7     29
            |      6      4     12     14     14 |       2
igr   xxxxx |      4      4    -10      4      0 |      10     23
            |     12      9     20     25     19 |       1
jpl   uuuuu |    -16      5     -4     -7      0 |      -5     35
            |     12     10     27     26     13 |       4
ngs   uuuuu |     80     -1    -55     68     47 |    -103    111
            |      7     19     75     50     25 |       5
sio   uuuuu |     -7      1      7     -7    -25 |      -1     22
            |      7      5     23     16     12 |       5

Table 7: Earth Orientation Parameters daily summary.                           
                                                                               
         Daily Centre ERP, ERP Rates and LOD differences with respect to       
         IGS combined values.                                                  
                                                                               
         Xpole,Xrt: x pole and x pole rate (10**-5")                           
         Ypole,Yrt: y pole and y pole rate (10**-5"/day)                       
         LOD: Length Of Day (us)                                               
                                                                               
         AC LOD BIAS: 21-day mean LOD bias with respect to Bulletin A (us)     
         AC LOD BIAS RMS: RMS of AC LOD BIAS (us)                              
                                                                               
         FLAG: "u" (used), "x" (excluded), "-" (no submission)                 
               for Xpole, Ypole, Xrt, Yrt and LOD                              

Table 7.1046.0   GPS week: 1046   Day: 0   MJD: 51566.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS RMS  
------------------------------------------------------------------------
cod   uuuuu |    -11     -8     19     -7     44 |     -12     34
emr   uuuuu |     54      2     -5     53     -3 |     -27     36
esa   uuuuu |    -29     -9     10    -66     18 |      16     32
gfz   uuuuu |     -2      4    -17    -12     34 |     -11     30
igr   xxxxx |     15      5     -9     12      7 |       9     23
jpl   uuuuu |    -35      1      5      6     27 |      -3     34
ngs   uuuuu |     82     16    -26     56     76 |    -110    117
sio   uuuuu |      0      2      0    -11    -38 |       5     18

Table 7.1046.1   GPS week: 1046   Day: 1   MJD: 51567.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS RMS  
------------------------------------------------------------------------
cod   uuuuu |    -25     -5    -22    -28     30 |     -10     36
emr   uuuuu |     55     21      3     24     37 |     -26     34
esa   uuuuu |    -13    -17     46     10     15 |      19     34
gfz   uuuuu |    -17      0     17    -35     -2 |      -7     29
igr   xxxxx |     20     10     19     24     22 |      11     24
jpl   uuuuu |     -6     -5     -4     35     -6 |       0     35
ngs   uuuuu |     88     25    -39    112     48 |    -105    114
sio   uuuuu |     -2     -5     19    -34    -22 |       4     18

Table 7.1046.2   GPS week: 1046   Day: 2   MJD: 51568.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS RMS  
------------------------------------------------------------------------
cod   uuuuu |    -31     -4      8     -8     38 |     -10     36
emr   uuuuu |     60    -13      4     -7     -8 |     -25     33
esa   uuuuu |     -1    -15    -22    -44     22 |      21     33
gfz   uuuuu |     -4     -3      9     -2     11 |      -6     29
igr   xxxxx |     14     -7    -21     -7     17 |      12     24
jpl   uuuuu |     -6     14    -14     -1     -9 |      -1     35
ngs   uuuuu |     81     -4     70     53     71 |    -104    112
sio   uuuuu |     -9      0    -33      5    -21 |       3     20

Table 7.1046.3   GPS week: 1046   Day: 3   MJD: 51569.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS RMS  
------------------------------------------------------------------------
cod   uuuuu |    -17     -7     47      0     41 |     -11     35
emr   uuuuu |     49     -4     63    -16     22 |     -28     35
esa   uuuuu |    -18    -17     13     40     -9 |      19     32
gfz   uuuuu |     -7     -1     13      3     13 |      -7     29
igr   xxxxx |      0     -8     15     -4      6 |      11     23
jpl   uuuuu |     -4     13    -58    -25    -11 |      -4     35
ngs   uuuuu |     76      3    -51     70     45 |    -102    111
sio   uuuuu |    -18     -6     26    -17    -25 |       0     22

Table 7.1046.4   GPS week: 1046   Day: 4   MJD: 51570.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS RMS  
------------------------------------------------------------------------
cod   uuuuu |    -16      0    -41      1     31 |     -11     35
emr   uuuuu |     55     -4     37    -20     12 |     -29     36
esa   uuuuu |    -21     -4    -13    -27     -9 |      18     31
gfz   uuuuu |     -7      3     -2    -11     -1 |      -6     28
igr   xxxxx |      2      2    -27     32     -5 |      10     23
jpl   uuuuu |    -25     -1     28    -19      3 |      -7     35
ngs   uuuuu |     84     -1    -62    113     -2 |    -101    110
sio   uuuuu |    -14      2     17     14    -14 |      -3     23

Table 7.1046.5   GPS week: 1046   Day: 5   MJD: 51571.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS RMS  
------------------------------------------------------------------------
cod   uuuuu |    -18     -3     26    -24     28 |     -10     34
emr   uuuuu |     34     -8     -2     65     84 |     -31     37
esa   uuuuu |    -16     -9     12     -2    -19 |      15     30
gfz   uuuuu |      0      9     11      5      2 |      -6     28
igr   xxxxx |    -11     14    -25     11    -34 |       9     23
jpl   uuuuu |    -22     -3      4    -45      0 |     -10     35
ngs   uuuuu |     81     -9   -101    100     42 |    -101    111
sio   uuuuu |     -2      7    -10     -8    -44 |      -5     25

Table 7.1046.6   GPS week: 1046   Day: 6   MJD: 51572.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS RMS  
------------------------------------------------------------------------
cod   uuuuu |    -24     -3     -4     29     56 |      -5     34
emr   uuuuu |     63     -7     46     29     -7 |     -25     40
esa   uuuuu |    -36    -22    -18    -21    -19 |      17     30
gfz   uuuuu |     -2      3     14    -22     -6 |      -3     27
igr   xxxxx |    -11     13    -25    -44    -11 |      10     23
jpl   uuuuu |    -15     19     14      0     -2 |      -8     35
ngs   uuuuu |     67    -34   -176    -30     52 |     -95    104
sio   uuuuu |     -2      4     31      0    -13 |      -7     25