[IGSREPORT-4097] Wk 0919 IGS Final Orbits

AC AC
Wed Sep 3 10:09:53 PDT 1997


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IGS Electronic Report    Wed Sep  3 10:09:53 PDT 1997      Message Number 4097
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Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0919 IGS Final Orbits

Final IGS Orbit Combination - Week 0919   (Aug 17, 1997 - Aug 23, 1997)

Contacts: J. Kouba (kouba at geod.emr.ca)
          Y. Mireault (mireault at geod.emr.ca), F. Lahaye (lahaye at geod.emr.ca)

COMBINATION STRATEGY:

For a complete description of combination strategy, please refer to the report
posted on CDDIS (IGS09197.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.


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:

 IGS09190-6.SP3  IGS GPS ephemeris files for days 0-6, week 0919 in SP3 format.
 IGS09197.ERP    Earth Rotation Parameters (ERP) and their rates as well as
                 Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                 with IGS ephemerides.
 IGS09197.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. Only the GFZ "exact" clock corrections (one epoch out of two) are included
   in the combination and RMS computation (no "interpolation" values).

3. Rapid ("IGR") orbits/clocks are included in the combination for statistics
   only.

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

   Note: high clock RMS for NGS on day 5 were caused by clock jumps on PRN27.

5. Centre clock weights were determined using the following non-SA satellites:

                  Day | PRN list
                  ----+---------
                  0-6 |  15 

6. The following clock solutions were excluded from the combination because
   they were biasing the combined clock solutions (large clock shifts/outliers)
   but were kept for the RMS computation. Note that starting with week 860, 
   Centres with clock RMS higher than 2 ns are excluded from the clock 
   combination if they bias the combined clock solution. This will make IGS 
   clock precision more comparable to the best ACs.

                  Day | Centre | PRN list
                  ----+--------+---------------
                   1  |  ESA   |  ALL
                   1  |  GFZ   |  18 26 29 31
                   2  |  ESA   |  ALL
                   3  |  GFZ   |  3 7 10 18 27 31
                   5  |  ESA   |  ALL

7. 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
                  ----+--------+---------------
                   2  |  NGS   |  ALL

8. State vector resets were modeled for the following satellites to
   alleviate the effects of modeling problems, experienced by all centres,
   in the Long Arc (LA) process:

          Day (Date) |   TIME   |  PRN  | Centres  | Reason
         ------------+----------+-------+----------+-------------------
          1 (Aug 18) | 00:00:00 |  16   |   All    | Modeling problems (a)
          2 (Aug 19) | 00:00:00 |  14   |   All    | Modeling problems (b)
          5 (Aug 22) | 00:00:00 |  23   |   All    | Modeling problems (c)
          6 (Aug 23) | 00:00:00 |  13   |   All    | Modeling problems

   (a) Satellite PRN16 was excluded from long arc evaluation on days 5-6 for
       all centres due to unrealistic RMS. 

   (b) Satellite PRN14 was excluded from long arc evaluation on day 2 for
       all centres due to unrealistic RMS. 

   (c) Satellite PRN23 was excluded from long arc evaluation on day 2 for
       all centres due to unrealistic RMS. 

9. Centre specific UT1-UTC values for NGS were not used in the long arc
   evaluation.  Smaller RMS were obtained when UT1-UTC values from Bulletin A
   were used.

10.PRN13 was included in this week's Final combination although its status is 
   still UNHEALTHY. Users are reminded to use it with extreme caution.
   PRN13 was launched on 23 July 1997/wk915 day 3 at 03:43 UT.  It resides
   in slot F-5 (ref. NANU 088-97206).  A Follow up NANU will be sent once the
   navigation payload on PRN13 is usable.

11.*** NEW TABLES ***
   Starting with GPS wk 917, new tables are appended to the IGS Final
   summary report. AC ERP, ERP Rates and LOD differences with respect to       
   IGS combined values (IGS-AC) are now summarized in Table 6 (weekly summary)
   and Table 7 (daily summary).


ORBIT COMBINATION AND EVALUATION STATISTICS:

For a complete description of tables and statistics, please refer to the report
posted on CDDIS (IGS09197.SUM).


Table 1: Week 0919 summary.                       (Aug 17, 1997 - Aug 23, 1997)

Table 1.0919.a   GPS week: 0919   MJD: 50677.0-50683.0

         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  67 | .00  .01 -.01  -.17   .35   .04  -.2  .06  .04 |    -.2   -4.0     .5
        | .00  .00  .01   .19   .18   .25   .1           |    5.6   15.1
emr  27 | .00 -.01 -.01   .71  -.18   .26   .1  .12  .12 |  426.6   85.6     .5
        | .00  .01  .01   .09   .10   .22   .1           |  192.5   11.3
esa  51 | .00  .00  .01  -.11  -.32   .05   .0  .10  .07 |    4.1  -91.5    1.9
        | .01  .00  .00   .31   .13   .31   .1           |   16.4   16.3
gfz  54 | .00  .00  .01  -.02   .13  -.10  -.1  .06  .06 |  428.2   85.8    1.3
        | .01  .00  .01   .09   .16   .16   .1           |  192.6   11.4
igr  n/a| .00 -.02 -.02   .84   .86  -.10   .0  .12  .09 |     .1    -.4    1.0
        | .01  .01  .01   .37   .26   .45   .2           |    1.2    2.0
jpl  37 | .00  .00  .01  -.04  -.21   .15   .2  .05  .05 |  188.0   -1.4     .4
        | .01  .00  .00   .15   .19   .08   .1           |   41.7   14.1
ngs  48 | .00 -.06 -.01   .45   .18  -.24  -.1  .20  .21 |  -15.4   20.6  524.2
        | .02  .01  .02   .83   .49   .30   .2           |   30.3   52.8
sio  97 | .00  .00 -.01   .04  -.02  -.34   .1  .08  .07 |     .0     .0     .0
        | .00  .01  .01   .17   .10   .32   .2           |     .0     .0

Table 1.0919.b   GPS week : 0919   MJD: 50677.0-50683.0

         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 |   5   3   3   4   3   4   4 |
   2  |   3   3   2   3   3   3   3 |
   3E |   3   3   3   4   3   3   4 |
   4  |   2   2   3   2   2   2   2 |
   5  |   2   2   3   3   3   3   3 |
   6E |   3   3   2   3   3   4   4 |
   7E |   3   3   3   4   3   4   3 |
   9  |   2   2   3   3   3   3   3 |
  10  |   2   2   2   3   3   3   3 |
  13E |   0  11   7   8   7   7   0 | Status unhealthy. See Remark 10.
  14  |   4   3  15   3   2   3   3 | Modeling problems on day 2.
  15  |   3   3   2   2   3   2   3 |
  16  |   6   3   3   2   3   9   3 |
  17  |   2   2   2   3   2   3   3 |
  18E |   4   3   3   3   3   4   4 |
  19  |   2   2   2   2   2   2   3 |
  21  |   3   2   2   3   2   3   3 |
  22  |   3   3   2   2   2   3   4 |
  23  |   6   7   6   8   7   7   5 |
  24  |   2   2   2   2   2   2   2 |
  25  |   3   2   3   3   2   3   3 |
  26E |   3   3   3   3   3   3   4 |
  27  |   2   2   2   2   2   2   3 |
  29E |   3   3   3   3   3   3   3 |
  30  |   3   3   2   2   2   3   3 |
  31E |   3   4   3   3   3   3   4 |

Table 2: Daily transformation of each centre to the combined IGS orbit and
         clocks for each day of the week. The transformation displayed is the
         sum of a priori and estimated transformations.
         WRMS - RMS weighted by the centres SP3 header accuracy codes.
         STA  - Number of stations in the daily solutions.
         Units: meters, mas, ppb, nano-sec, nano-sec/day.

Table 2.0919.0   GPS week: 0919   Day: 0   MJD: 50677.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  79 | .00  .01  .00  -.29   .10  -.22   .0  .05  .05 |   -2.4   10.1     .4
emr  27 | .00 -.01 -.01   .66  -.13   .37   .0  .11  .10 |  158.9  101.5     .5
esa  55 | .00  .01  .00   .44  -.15   .46   .2  .10  .07 |   -9.3  -74.9     .9
gfz  55 | .01  .00  .01  -.03  -.05  -.08  -.1  .06  .06 |  160.6  101.8     .6
igr  n/a|-.01 -.01 -.03   .71   .73   .00   .0  .11  .10 |     .0    -.2     .6
jpl  37 | .00  .00  .01  -.26   .02   .15   .0  .05  .05 |  169.9   19.6     .4
ngs  49 |-.02 -.04 -.03   .94   .88   .25   .0  .19  .19 |   -3.3    7.7   79.8
sio  101|-.01  .00  .00  -.12  -.21  -.26   .1  .08  .08 |     .0     .0     .0

Table 2.0919.1   GPS week: 0919   Day: 1   MJD: 50678.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  78 | .01  .01  .00  -.34   .28  -.19  -.2  .05  .04 |    3.7  -19.9     .6
emr  27 | .00 -.02 -.01   .67  -.02   .01   .2  .12  .12 |  250.2   74.8     .4
esa  52 | .00  .00  .00   .13  -.55   .46   .1  .08  .06 |  -18.6  -89.2    3.5
gfz  56 |-.01  .00  .00   .07  -.06  -.21  -.1  .05  .05 |  251.5   75.5    2.3
igr  n/a| .00 -.03 -.03  1.20   .99  -.37   .1  .11  .08 |    2.3   -3.5     .7
jpl  37 | .00  .00  .01   .02  -.03   .12   .2  .04  .04 |  132.1  -15.8     .6
ngs  51 | .00 -.05  .00   .29   .17  -.37  -.2  .18  .19 |   -1.1   -5.9   79.9
sio  98 | .00  .00 -.01  -.26   .07   .08   .3  .09  .07 |     .0     .0     .0

Table 2.0919.2   GPS week: 0919   Day: 2   MJD: 50679.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  77 | .00  .00  .00  -.26   .21   .26  -.4  .05  .04 |   -1.8   -8.0     .5
emr  27 | .00 -.01 -.02   .78  -.31   .04   .2  .13  .13 |  338.6   81.8     .4
esa  52 | .00  .00  .01  -.09  -.31  -.39   .0  .14  .08 |   22.7  -80.8    2.2
gfz  55 | .00  .00  .01  -.09   .07  -.33  -.2  .05  .05 |  339.9   82.4     .7
igr  n/a|-.01 -.03 -.01  1.17   .61   .08   .1  .12  .09 |    -.4    1.0     .8
jpl  37 | .00  .00  .00   .11  -.14   .31   .3  .05  .05 |  185.0   -2.8     .3
ngs  47 | .04 -.08 -.04  1.79   .60  -.40  -.5  .21  .26 |   -2.5   -5.4   80.9
sio  102|-.01  .01 -.02   .08   .02  -.31   .3  .07  .06 |     .0     .0     .0

Table 2.0919.3   GPS week: 0919   Day: 3   MJD: 50680.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  69 | .01  .01 -.02  -.35   .30   .27  -.1  .06  .04 |   -9.2    8.9     .6
emr  27 | .00  .00  .00   .85  -.13   .40   .1  .10  .10 |  423.5   87.4     .4
esa  52 | .00  .00  .01  -.31  -.31   .01   .0  .08  .06 |   15.2  -81.6    1.0
gfz  53 | .00  .00  .01   .09   .40   .14  -.1  .06  .06 |  425.0   87.5    2.3
igr  n/a| .01 -.02 -.02  1.03  1.22  -.04  -.3  .11  .09 |     .0    -.6     .9
jpl  37 |-.01  .00  .01  -.22  -.52   .12   .3  .05  .05 |  181.6    2.1     .5
ngs  53 | .00 -.06 -.01   .95   .09  -.61   .0  .16  .17 |   -7.5    8.0   79.7
sio  100| .00  .01 -.01   .20   .09  -.98  -.2  .09  .07 |     .0     .0     .0

Table 2.0919.4   GPS week: 0919   Day: 4   MJD: 50681.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  52 | .00  .00 -.01  -.08   .62   .37  -.1  .05  .05 |    1.8     .5     .4
emr  31 |-.01 -.02 -.01   .73  -.21   .07   .1  .11  .11 |  515.9   87.2     .6
esa  52 |-.01  .01  .01  -.19  -.21  -.11   .1  .09  .06 |    2.7  -91.0    1.2
gfz  51 | .00  .00  .02  -.09   .12  -.17  -.2  .06  .06 |  517.8   87.0     .5
igr  n/a| .00 -.02  .00   .95   .87  -.36   .1  .08  .07 |     .3    -.6     .8
jpl  37 | .00  .00  .00  -.01  -.39   .09   .2  .05  .04 |  188.2    -.7     .5
ngs  50 | .00 -.05  .01  -.14   .30   .05   .1  .19  .19 |   -4.4    5.5   79.3
sio  99 | .00  .01 -.02   .15  -.07  -.40   .0  .07  .07 |     .0     .0     .0

Table 2.0919.5   GPS week: 0919   Day: 5   MJD: 50682.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  52 | .00  .01 -.02   .03   .43  -.13  -.1  .07  .05 |   -2.0    8.1     .4
emr  26 |-.01 -.01  .00   .56  -.25   .45   .2  .12  .11 |  603.4   96.5     .3
esa  50 | .01  .00  .01  -.25  -.29   .05  -.1  .11  .08 |   -6.6  -99.3    2.1
gfz  51 | .00  .00  .02  -.13   .17   .03  -.2  .07  .07 |  604.7   97.0     .3
igr  n/a|-.01 -.03 -.01   .70   .49  -.70  -.2  .10  .09 |   -1.6    2.9    1.0
jpl  36 |-.01  .00  .01   .01  -.18   .10   .3  .05  .05 |  188.2    9.6     .3
ngs  44 | .02 -.04 -.03   .01  -.63  -.23   .0  .22  .22 |  -83.9  139.6 1373.0
sio  93 | .00  .01 -.01   .09  -.03  -.29  -.3  .09  .09 |     .0     .0     .0

Table 2.0919.6   GPS week: 0919   Day: 6   MJD: 50683.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  60 | .00  .00 -.01   .11   .51  -.09  -.1  .06  .05 |    8.7  -27.9     .5
emr  23 | .00 -.02 -.01   .71  -.20   .53  -.2  .15  .15 |  695.9   69.6     .6
esa  47 | .01  .00  .00  -.47  -.42  -.13   .0  .07  .07 |   22.3 -123.6    1.0
gfz  54 | .01  .00  .02   .02   .23  -.05  -.2  .06  .06 |  697.9   69.1     .8
igr  n/a| .00  .00 -.04   .12  1.10   .71   .2  .17  .13 |     .5   -1.7    1.8
jpl  37 |-.01  .00  .01   .08  -.24   .19   .3  .04  .04 |  271.2  -21.5     .5
ngs  45 |-.01 -.05  .00  -.69  -.16  -.36  -.1  .21  .21 |   -5.5   -4.9   80.0
sio  89 | .00  .00 -.01   .14   .02  -.21   .1  .09  .08 |     .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.
         "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 3.0919.0   GPS week: 0919   Day: 0   MJD: 50677.0

               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 |   7  15   6  17  13   7  27  10    5 |    7  12   9  15  16   9  20  10    8
   2  |   4   7   6   5   9   4  24  12    3 |    8   9  10   9   9   9  24   8    8
   3E |   5  12   5   5  13   5  31   7    3 |    5  12   4   6  16   6  26   8    5
   4  |   4  10   5   2  10   4  11   6    2 |    7  10   7   7  12   9  17   9    6
   5  |   4  10   6   4   4   3   9  10    2 |    7  10   8   8   7   7  17   6    7
   6E |   4  12   9   6  10   5  22   8    3 |   11  14  10  13  14  10  23  13   10
   7E |   4  11   6   4  12   4  22   7    3 |   10  18  10   9  17   8  25  10    9
   9  |   4   7   8   3   9   4  12   9    2 |    8   8   9   8  12   7  18  12    8
  10  |   3   9   5   3   6   4  13   8    2 |    9   8   8   7   9   8  19  10    8
  13E |   2 --- --- --- --- --- --- ---    0 |    9 --- --- --- --- --- --- ---    9
  14  |   4  13  21   8  14   4  25  10    4 |    3   6   8   4   8   3   8   7    3
  15  |   4   7  10   4   5   5  15   7    3 |    8  10   9   8  10   6  19   9    7
  16  |   7 --- --- ---  20  10 ---   9    6 |    4 --- --- ---  10   8 ---   3    4
  17  |   2   6   7   3  15   5  15   7    2 |    7   9  10   6  10   9  21   8    7
  18E |   6  17   9   4  10   5  22   7    4 |    8  19  10   9   9   8  22  10    8
  19  |   5   7   7   5   8   4  12   7    2 |   11  12  12  11  11  11  17  14   11
  21  |   5   9   7   4  13   7  23  11    3 |    9  14  12  10  16  14  26  10   10
  22  |   5  10   5   4  14   5  15   6    3 |    8  11   9   9  15   9  25   7    8
  23  |  10  14  31   6  12   8  24   8    6 |   22  27  14  25  20  26  22  25   22
  24  |   3   8   6   2   9   3  12   7    2 |    6   9   8   6  11   7  19   8    6
  25  |   5  11  11   6  10   4  16   7    3 |    8  11   8   6  13   9  20  10    7
  26E |   3  13  10   6  11   5  22   9    3 |    6   8   7   8  11   7  19   8    6
  27  |   4   7   4   5   6   4  15   6    2 |    8  10   8   8   9   7  18  10    8
  29E |   3  12   5   6  13   6  18   6    3 |   10  12   9  10  14  10  15  11    9
  30  |   5  11   6   4  13   5  14   7    3 |    7  11   8   7  11   9  18   8    7
  31E |   6  13   6   8  11   5  17   8    3 |    6  14   7   9  14   5  22   8    6
------|--------------------------------------|--------------------------------------
 RMS  |   5  11  10   6  11   5  19   8      |T   8  12   9   9  12   9  20  10    8
 WRMS |   5  10   7   6  10   5  19   8      |NE  9  11   9   9  11  10  19  10    8
 MEDI |   4  11   6   5  11   5  17   7      |MD  8  11   9   8  11   8  20   9    8

Table 3.0919.1   GPS week: 0919   Day: 1   MJD: 50678.0

               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  13   8   3   7   4  29   6    3 |    6  11   9   9   9   7  22   7    6
   2  |   4  10   4   7   9   3  19   5    3 |    8   9   6   6   8   8  17  11    6
   3E |   3  11   4   6  12   4  19  10    3 |    4  12   5   8  13   3  20  10    4
   4  |   3   9   6   4   8   3  12  10    2 |    4  12   6   5   6   5  14  11    3
   5  |   4  11   5   5   6   3  14   5    2 |    4   9   5   4   8   4  19   8    4
   6E |   5  16   6   4   8   3  19   5    3 |    8  13   8   7  10   6  20  10    6
   7E |   4  20   7   4   6   2  28   6    3 |    6  12   8   5   9   4  20  10    5
   9  |   3   7   7   5   6   4  13   6    2 |    6  10   9   9  14   6  15  13    8
  10  |   3   8   7   4   7   2  14  10    2 |    6   8  10   7   8   7  13   7    5
  13E |   8 --- --- ---  34 --- ---  14   11 |    9 --- --- ---  23 --- ---  17   12
  14  |   4  12   5   4   8   3  16   9    3 |    3   5   8   4   6   2   8   9    2
  15  |   4  12   5   4   9   4  11  12    3 |    5  12   7   5  11   4  15  14    6
  16  |   6  11   7   8   6   2  15  12    3 |    4  10   6   7   6   5  15  10    4
  17  |   3  10   7   4   6   4  10   7    2 |    4  11   6   5   7   3  18   7    4
  18E |   5  16   8   6   9   4  22   8    3 |    7  17   6   9  11   6  24   9    6
  19  |   4   8   9   3   5   2  14   8    2 |   11  12  13  12  13  10  21  10   12
  21  |   3  11   4   5   7   4  17   8    2 |    7  14   9   9   8   8  17  11    7
  22  |   3  11   5   4   6   3  25   5    3 |    6   8   6   8   9   5  26   8    5
  23  |  18  11  27  10  16  11  26  14    7 |   26  23  20  43  35  37  39  46   36
  24  |   4  10  11   4   6   4   8   6    2 |    3  10   6   4   6   5  12   5    3
  25  |   4  10   7   3  10   3  10   9    2 |    5   9   6   4   9   4  14  10    4
  26E |   4  15   7   5   6   4  16   6    3 |    5   9   6   6  10   6  15   7    5
  27  |   4   9   3   5   4   3  12   7    2 |    5   8   6   4   6   4  15   9    4
  29E |   3  12   5   5   5   4  13  11    3 |    6  13   7   7   9   6  14  13    7
  30  |   5  15   4   4  13   2  20   5    3 |    5  12   7   4  12   5  23   8    5
  31E |   4  12   8  11  18   3  21  10    4 |    6  13   7  10  17   6  24  10    6
------|--------------------------------------|--------------------------------------
 RMS  |   5  12   8   5  11   4  18   9      |T   7  11   8  10  12   9  19  13    9
 WRMS |   4  12   6   5   8   4  19   7      |NE  8  11   8  12  12  10  18  14   10
 MEDI |   4  11   7   4   7   3  16   8      |MD  6  11   7   7   9   5  17  10    5

Table 3.0919.2   GPS week: 0919   Day: 2   MJD: 50679.0

               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  16  11   4   8   3  21   7    3 |    6  11   8   8  12   7  22  11    7
   2  |   3   9   6   5   6   3  15   6    2 |    7   9   7   8  12   9  20  13    8
   3E |   3  14   8   3   9   3  25   8    3 |    5  17   8   6  13   5  19  11    5
   4  |   4  13  10   3   8   4  18   5    3 |    7  14   6   7   9   6  19   9    6
   5  |   4  14   7   5   6   3  18   6    3 |    6  12  10   6   9   6  18   8    6
   6E |   4  11   6   4  14   3  16   6    2 |    7  12   6   9  18   6  21  10    7
   7E |   2  22   9   5   6   4  29   8    3 |    6  12   9   6  11   6  26  12    6
   9  |   5   8   6   5  14   5  17   9    3 |   10   8   7   9  15   6  20  12    7
  10  |   3   8   6   6   8   3  15   7    2 |    6   9  11   6   6   6  20   7    5
  13E |   8 --- ---   8  27 --- ---  13    7 |   10 --- ---  12  22 --- ---  14    9
  14  |  13 ---  48 ---  37  10  50 ---   15 |    0 ---   0 ---   0   0   0 ---  ---
  15  |   4   8   7   4   7   5  13   8    2 |    6   8   6   6   8   7  19  10    5
  16  |   3  13   7   5   7   3  15   9    3 |    4  10   6   5   8   5  14   8    4
  17  |   3  11   7   3   9   4  24   5    2 |    7  14   8   7   8   7  20   8    7
  18E |   3  19   7   5   8   4  24   7    3 |    8  16  12  11  11   9  34  10    9
  19  |   2   8   9   5   5   4  16   7    2 |    8  11  10   7   9   9  17  14    8
  21  |   4   9   7   3   5   4  20   6    2 |    7  13   9   7   8   8  20   9    7
  22  |   3  10   5   3  10   3  22   5    2 |    6  13   7   8  14   6  26   9    7
  23  |  12  15  32   9  15  11  27  11    6 |    0   0   0   0   0   0   0   0  ---
  24  |   4   9   6   3   8   4  12   5    2 |    6  10   7   5   9   6  19   7    5
  25  |   3  15  10   4   6   2  14   5    3 |    7  15   6   6   8   7  18  12    7
  26E |   4  14   8   6   8   5  23   9    3 |    5   9   8   8  10   6  21  12    6
  27  |   4   7   8   4   6   4  17   6    2 |    8  10   6   6   9   8  20  12    8
  29E |   3  16   6   7   6   4  15   6    3 |    8  13  11   8  10   7  18  12    7
  30  |   3  12   7   3   7   3  20   5    2 |    6  12  10   7   9   7  14   7    6
  31E |   3  15   9   7  10   3  17   7    3 |    7  16   9  10  13   8  20  10    7
------|--------------------------------------|--------------------------------------
 RMS  |   5  13  14   5  12   5  21   7      |T   6  12   8   7  11   6  20  10    6
 WRMS |   4  13   8   5   9   5  26   6      |NE  6  11   7   6   9   6  17   9    6
 MEDI |   4  13   7   5   8   4  18   7      |MD  7  12   8   7  10   7  20  10    7

Table 3.0919.3   GPS week: 0919   Day: 3   MJD: 50680.0

               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 |   6  17  10   6  14   7  27  10    4 |    8  10   8  10  11   6  22  11    7
   2  |   4  12   5   6  14   5  14   6    3 |    8  11   9   8  11   8  19  13    9
   3E |   4  11  11   6   8   4  24   8    4 |    7  15  11   5  11   9  26   9    8
   4  |   4   6   6   4   8   4  10   7    2 |    8   8   8   6  10   5  16  14    9
   5  |   7  11   9   3   7   5  10   6    3 |    8  13  13   8   8   8  19  14   11
   6E |   5   7   8   7  16   3  21   7    3 |   10  11  10  10  20   8  21  13   10
   7E |   3  16   6   4  10   5  28   6    4 |    8  11   8  10  12   7  25  10    9
   9  |   4  12   5   3   4   4  21   8    3 |   13  12  12  13  13  11  25  13   14
  10  |   4   8  11   7   7   3  10   7    3 |   10  11  12   8   8   7  15  12   10
  13E |  13 --- ---   6  25 --- ---  14    8 |   17 --- ---  10  26 --- ---  15   13
  14  |   8  12   5   5   9   5   9   9    3 |    6  10   5   5   8   5  12   6    4
  15  |   4   5   7   4   7   4  12   8    2 |    9   8   8   7  12   7  16  11   10
  16  |   5   7   4   3  10   4   9   9    2 |    6   8   7   5  10   5  14  10    6
  17  |   4   7   5   5   8   5  16   9    3 |    9   7  10   8   8   6  17  12    9
  18E |   3  10   8   7  12   4  20   6    3 |    9  12  10  10  13   8  20  10   10
  19  |   4   9   5   6   6   4   8   8    2 |   13  13  14  13  14  11  14  14   14
  21  |   5   9   8   4   7   8   9  10    3 |    9  12  12   9   8  11  17  13   11
  22  |   3   7   5   2  14   4  15   4    2 |    9   9  10   7  14   7  21  11   10
  23  |  16  12  25  14  19 ---  20  17    8 |   33  37  26  53  45 ---  47  53   42
  24  |   3   7   6   3   8   3  12   8    2 |    7   9   9   6   9   6  15   7    8
  25  |   4   6   8   7  10   6  14   4    3 |    8  10   9   6  11  11  20  11   10
  26E |   5   9   5   6   5   3  13  10    3 |    8  10   9   9  10   9  17  12   10
  27  |   4   9   4   4   7   4  12   7    2 |    9  11   8   7  11   7  21   9   10
  29E |   5  12   7   6   8   4  16   8    3 |    9  15  10   9  11   9  17  15   10
  30  |   3   7   6   4   8   5  16   5    2 |    7  10  11   6  11   7  23  11   10
  31E |   6  14   7   6   9   4  20  11    3 |   10  15  12  11  13   9  22  13   10
------|--------------------------------------|--------------------------------------
 RMS  |   6  10   8   6  11   5  16   9      |T  11  13  11  13  14   8  21  15   12
 WRMS |   4  10   6   6   9   5  17   7      |NE 11  13  11  15  14   7  20  17   14
 MEDI |   4   9   6   6   8   4  14   8      |MD  9  11  10   8  11   8  19  12   10

Table 3.0919.4   GPS week: 0919   Day: 4   MJD: 50681.0

               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 |   7  14   9   4   9   4  24   9    3 |   11  10   7   7  11  10  27   8    8
   2  |   4  10   6   7   6   3  22   8    3 |    5   9   7   9   7   5  17   9    5
   3E |   4  13   4   6   8   5  17   8    3 |    4  14   8   5  11   4  18   5    5
   4  |   4  12   4   4   6   4  11   7    2 |    6  12   6   5   7   4  12   8    4
   5  |   8  11   3   5   5   3  11   7    3 |    5  14   6   7   7   5  13   9    6
   6E |   4   8  11  10  13   2  25   7    3 |    9  13  10  11  19   8  22  11    9
   7E |   3  12   6   4   6   3  29   6    3 |    7  13   8   8  12   6  22   7    7
   9  |   2   9   5   6   5   3  28   5    3 |    5  11   6   7   6   5  17   6    4
  10  |   3  11   8   6   5   5  23   6    3 |    6  13   7   5   6   4  17   9    6
  13E |   7 --- ---   9  11 --- ---  15    7 |   11 --- ---  10  11 --- ---  17   12
  14  |   4   6   5   4   5   2  12   6    2 |    3   8   5   5   6   7  12   7    4
  15  |   7   9   8   4   4   4  14   5    3 |    7  11   6   6   7   4  14   8    5
  16  |   6   9   5   8   5   4  13   6    3 |    5   6   5   5   5   4  13   8    5
  17  |   4   6   7   4   6   5  13   7    2 |    6  10   9   6   5   4  12   7    5
  18E |   5  15   8   7   6   5  26   7    3 |   11  18  10  11  11   8  24  11    9
  19  |   3  10   5   6   5   3  11   5    2 |    8  11  10  11  11   9  14   9    9
  21  |   3   7   7   4  10   5  12   9    2 |    6  13   9   7  10   6  16   7    6
  22  |   5   9   5   4   7   2  15   7    2 |    6  10   7   7   7   3  14   6    5
  23  |  10  14  32  11  14  13  16   9    7 |   34  37  20  47  43  27  43  47   39
  24  |   3   9   4   5   5   4  17   5    2 |    4  11   5   4   9   4  13   6    3
  25  |   4  10   6   4   9   4  16   4    2 |    5  11   6   6  10   5  15   7    4
  26E |   5  12   7   5   6   4  29   5    3 |    7   8   9   7   7   6  26   9    6
  27  |   4   7   5   5   6   4  17   7    2 |    6   9   6   6   9   5  18  10    5
  29E |   4  14   5   6   8   5  20   9    3 |    7  13   6  10   8   7  23  12    7
  30  |   4  10   7   5   6   2  13   5    2 |    5  14   9   7   7   6  14   9    7
  31E |   6  12   8   6  11   4  17   8    3 |   11  17  11  12  15   9  23  13   10
------|--------------------------------------|--------------------------------------
 RMS  |   5  11   9   6   8   5  19   7      |T   9  13   8  11  12   8  19  12   10
 WRMS |   5  11   6   6   7   4  19   7      |NE  9  13   8  13  12   8  17  13   10
 MEDI |   4  10   6   5   6   4  17   7      |MD  6  11   7   7   9   5  17   9    6

Table 3.0919.5   GPS week: 0919   Day: 5   MJD: 50682.0

               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 |   7  19   7   5   9   4  27   9    4 |   12  20  11  13  12  13  26  12   12
   2  |   3  10   8   6  10   4  16  10    3 |    7  12   6   6  10   6  19   9    5
   3E |   4  11   8   3   9   4  22  11    3 |    4  11   8   5   8   6  23   9    4
   4  |   3   8   7   4   6   4  16   8    2 |    5   9   5   6  10   4  13  10    4
   5  |   7  12   6   7   8   5  13   6    3 |    5  12   6   6   8   9  15   7    6
   6E |   5   9  16  15   7   5  22   8    4 |    6  10   9   9  11   8  24  10    6
   7E |   5  18   9   5   9   4  26  10    4 |    7  10   9   8  13   5  23   9    6
   9  |   4  10   8   6   7   5  18  10    3 |    9  14   8   9  12   9  22  13   10
  10  |   3   9   7   9   6   4  15   7    3 |    7   9   7   5   7   7  22   9    5
  13E |  11 --- ---  10   9 --- ---   9    7 |   12 --- ---  11   9 --- ---   9   10
  14  |   5   9   8   5   8   6  15  11    3 |    4   9   6   3   6   7  11   8    3
  15  |   5   7   5   3   7   2  18   8    2 |    7   8   5   6  10   5  13   6    5
  16  |  14  18 --- ---  25   9  59  11    9 |    0   0 --- ---   0   0   0   0  ---
  17  |   5  10   5   4   9   5  16   6    3 |    6  11   9   8   9   8  20   6    7
  18E |   5  17  10  10   7   4  25  12    4 |    9  18  11  14  15   9  24  10    9
  19  |   4   9   4   5   6   3  11   8    2 |    9  11   8  11  10   9  13   9    9
  21  |   6  10  19   3  11   3  10   9    3 |    7  11  15   6  10   8  17  10    6
  22  |   6   8   7   6  10   3  16  11    3 |    6   9   7   7  10   7  19  10    5
  23  |  20  13  35   9  20  10  28  14    7 |   16  15  13  14  18  17  21  16   13
  24  |   3   7   2   2   8   3  15   9    2 |    3  10   5   4   9   3  17   9    4
  25  |   6   8  10   6   8   3  14   9    3 |    5  10   6   8  11   6  16  10    6
  26E |   4  14   7   7   8   6  24   6    3 |    6  10   6   7   8   5  18   7    5
  27  |   4  10   5   5   6   3  12   6    2 |    5   8   9   5   6   6  13   7    5
  29E |   5  11   5   8  11   5  19   8    3 |    6  14   7   7   9   6  23   9    5
  30  |   4  10  11   8  12   4  21   7    3 |    4  10   8   6  10   7  20   8    5
  31E |   5  11   7   7   6   5  14   9    3 |   12  17  13  14  14  11  21  16   12
------|--------------------------------------|--------------------------------------
 RMS  |   7  12  11   7  10   5  22   9      |T   7  11   8   8  10   8  19   9    7
 WRMS |   5  11   8   7   9   5  22   9      |NE  6  10   8   7   9   7  16   9    6
 MEDI |   5  10   7   6   8   4  16   9      |MD  6  11   8   7  10   7  20   9    6

Table 3.0919.6   GPS week: 0919   Day: 6   MJD: 50683.0

               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  23   7   4   6   4  31   8    4 |    9  13  10  10  14  10  29  11    9
   2  |   3   9   9   7  13   2  15   6    3 |    6   9   6   9  11   6  13   7    6
   3E |   5  18  13   6  19   4  15   9    4 |    5  16   5   7  18   6  21   8    5
   4  |   3  10   4   4  11   3  13   8    2 |    6   9   4   5   9   5  13   9    5
   5  |   7  19   6   5  10   4  11   7    3 |    6  15   8   7   7   5  10   8    7
   6E |   6  16   9  10  18   6  21   9    4 |    9  16   8   8  14   8  20  12    8
   7E |   5  17  10   5  18   3  27   9    3 |    8  15   9   8  11   6  16   7    7
   9  |   6  15   5   5   8   4  15   7    3 |    8  12   8   9  12   6  20   8    8
  10  |   5   8   6   9   8   3  24  10    3 |    8   7   8   5   7   6  18  11    7
  13E |   3 --- --- ---  53 --- --- ---    0 |    3 --- --- ---   4 --- --- ---    3
  14  |   4  15   6   4   4   3  23   9    3 |    4  11   5   4   5   4  16   8    3
  15  |   4  16   4   5   8   4  24   8    3 |    7  13   5   6   9   5  16   9    7
  16  |   9  14   7   3   7   3  30   6    3 |    0   0   0   0   0   0   0   0  ---
  17  |   6  13   3   4  14   4  17   8    3 |    8  13   7   6   7   6  13  11    8
  18E |   4  17  11  13  11   5  29   6    4 |   12  19  12  18  13  11  23  11   12
  19  |   4  10   9   4   6   4  11  10    3 |    7  11  10   9   9   8  11  14    8
  21  |   5  10   4   5   8   4  20   9    3 |    8  12   8   7   7   7  21   8    7
  22  |   7  20   9   5   6   4  18  11    4 |    8  13   6   6   6   7  19  10    6
  23  |  16  12 ---   8  24   5  15  13    5 |   19  22 ---  28  19  28  23  31   25
  24  |   3  10   5   4  19   2  16   5    2 |    4  10   4   5   7   4  13   8    5
  25  |   6  11   5   5  18   4  15  10    3 |    8  12   4   5  12   5  17  11    6
  26E |   7   9   6   9  19   5  34   8    4 |    8  10   8   8  10   8  18   7    6
  27  |   5  19   5   8   9   3   8   9    3 |    6   8   5   8   5   4  10  11    5
  29E |   4  16   4   5  13   4  28   8    3 |   10  15  11  12  13  11  22  12   10
  30  |   6  16   7   7  15   6  12   6    3 |    6  11   7   6  12   7  13   9    7
  31E |   5  15   9   7  13   6  30   9    4 |   14  21  17  18  20  15  30  17   15
------|--------------------------------------|--------------------------------------
 RMS  |   6  15   7   6  17   4  21   9      |T   8  13   8  10  11   9  18  11    8
 WRMS |   5  15   7   6  13   4  21   8      |NE  7  11   6   9   9   8  15  11    8
 MEDI |   5  15   6   5  12   4  18   8      |MD  8  13   8   8  10   6  18  10    7

 
Table 4: Precise Navigation Summary.

         Weekly station RMS w.r.t. the initial 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 4.0919   GPS week: 0919   MJD: 50677.0-50683.0

CENT| CLK EPO  |      BRUS      |      USUD      |      WILL      |
----|----------|----------------|----------------|----------------|
cod | cod 2426 |U  47   30  106 |U  41   28   90 |   24   17   59 |
emr | emr 2167 |   51   33  110 |   36   25   82 |U  27   17   68 |
esa | esa 2010 |   47   32   97 |U  48   33  100 |   29   23   72 |
gfz | gfz 1187 |   54   35  113 |U  40   27   82 |   32   18   76 |
igr | igr 2367 |   57   38  122 |   49   32  107 |   27   22   61 |
igs | igs 2487 |   47   30  104 |   38   28   90 |   23   17   59 |
jpl | jpl 2324 |U  49   30  104 |U  33   25   84 |   26   18   61 |


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 initial 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 5.0919.0   GPS week: 0919   Day: 0   MJD: 50677.0

CENT| CLK EPO  |      BRUS      |      USUD      |      WILL      |
----|----------|----------------|----------------|----------------|
cod | cod 2495 |   65   39  125 |   35   26   84 |   21   25   60 |
emr | emr 2304 |   67   40  125 |   44   28   87 |   22   14   90 |
esa | esa 2143 |   52   38  103 |   53   35  101 |   28   27  100 |
gfz | gfz 1145 |   82   51  159 |   50   31   91 |   26   17  126 |
igr | igr 2310 |   69   41  128 |   35   26   86 |   21   27   60 |
igs | igs 2495 |   62   39  119 |   35   27   88 |   21   26   59 |
jpl | jpl 2368 |   73   41  126 |   33   24   87 |   26   26   62 |

Table 5.0919.1   GPS week: 0919   Day: 1   MJD: 50678.0

CENT| CLK EPO  |      BRUS      |      USUD      |      WILL      |
----|----------|----------------|----------------|----------------|
cod | cod 2490 |   38   22   74 |   33   30   83 |   23   11   45 |
emr | emr 2112 |   45   25   78 |   36   31   88 |   28   16   48 |
esa | esa 2230 |   42   26   62 |   40   33  103 |   25   18   53 |
gfz | gfz 1193 |   36   21   70 |   32   22   91 |   26   14   47 |
igr | igr 2340 |   38   24   72 |   30   31   92 |   22   13   40 |
igs | igs 2495 |   38   23   75 |   31   30   85 |   22   11   45 |
jpl | jpl 2368 |   38   22   71 |   34   30   91 |   22   11   47 |

Table 5.0919.2   GPS week: 0919   Day: 2   MJD: 50679.0

CENT| CLK EPO  |      BRUS      |      USUD      |      WILL      |
----|----------|----------------|----------------|----------------|
cod | cod 2495 |   33   30   93 |    0    0    0 |   23   11   43 |
emr | emr 2000 |   47   34   91 |    0    0    0 |   27   15   47 |
esa | esa 2058 |   37   34   88 |    0    0    0 |   28   17   49 |
gfz | gfz 1197 |   50   41  107 |    0    0    0 |   32   18   52 |
igr | igr 2476 |   35   32   89 |    0    0    0 |   23   14   45 |
igs | igs 2496 |   36   31   95 |    0    0    0 |   23   11   41 |
jpl | jpl 2368 |   35   30   91 |    0    0    0 |   24   11   43 |

Table 5.0919.3   GPS week: 0919   Day: 3   MJD: 50680.0

CENT| CLK EPO  |      BRUS      |      USUD      |      WILL      |
----|----------|----------------|----------------|----------------|
cod | cod 2459 |   59   27  111 |   39   25   98 |   33   17   91 |
emr | emr 2203 |   63   32  114 |   30   22   90 |   35   20   91 |
esa | esa 2221 |   64   28  104 |   44   30  105 |   35   24   94 |
gfz | gfz 1246 |   57   32  106 |   40   26   91 |   54   28   87 |
igr | igr 2470 |   61   28  107 |   41   26  112 |   37   25   93 |
igs | igs 2495 |   60   28  110 |   37   25   97 |   32   18   89 |
jpl | jpl 2184 |   60   30  111 |   34   20   88 |   38   20   97 |

Table 5.0919.4   GPS week: 0919   Day: 4   MJD: 50681.0

CENT| CLK EPO  |      BRUS      |      USUD      |      WILL      |
----|----------|----------------|----------------|----------------|
cod | cod 2433 |   37   26   99 |   54   34  117 |   20   20   53 |
emr | emr 2196 |   38   32  108 |   32   24   77 |   24   24   59 |
esa | esa 2054 |   39   31   92 |   37   28   99 |   26   24   61 |
gfz | gfz 1223 |   41   28  105 |   38   23   86 |   22   15   44 |
igr | igr 2448 |   34   27   99 |   51   34  121 |   22   22   56 |
igs | igs 2489 |   35   27   98 |   50   32  114 |   21   19   55 |
jpl | jpl 2364 |   37   24   97 |   30   27   89 |   24   19   53 |

Table 5.0919.5   GPS week: 0919   Day: 5   MJD: 50682.0

CENT| CLK EPO  |      BRUS      |      USUD      |      WILL      |
----|----------|----------------|----------------|----------------|
cod | cod 2294 |   38   26  114 |   46   22   70 |   23   20   60 |
emr | emr 2296 |   40   28  118 |   40   21   73 |   28   17   67 |
esa | esa 1713 |   44   27  106 |   63   38  105 |   34   28   77 |
gfz | gfz 1173 |   43   27  110 |   43   28   60 |   28   15   79 |
igr | igr 2375 |   52   46  109 |   54   28   91 |   31   27   56 |
igs | igs 2487 |   38   27  112 |   42   23   69 |   21   19   60 |
jpl | jpl 2367 |   39   26  109 |   42   23   69 |   23   20   61 |

Table 5.0919.6   GPS week: 0919   Day: 6   MJD: 50683.0

CENT| CLK EPO  |      BRUS      |      USUD      |      WILL      |
----|----------|----------------|----------------|----------------|
cod | cod 2314 |   51   34  117 |   35   27   83 |   22   12   49 |
emr | emr 2060 |   49   35  126 |   30   23   73 |   24   12   56 |
esa | esa 1649 |   47   37  112 |   45   28   86 |   27   22   52 |
gfz | gfz 1129 |   56   34  112 |   33   28   64 |   24   17   65 |
igr | igr 2150 |   88   56  202 |   70   43  131 |   27   23   61 |
igs | igs 2453 |   50   35  113 |   32   28   80 |   21   11   50 |
jpl | jpl 2250 |   50   34  113 |   25   26   79 |   20   11   51 |

                                                                               
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 SIGMA: Sigma of AC LOD BIAS (us)                          
                                                                               
         FLAG: "u" (used), "x" (excluded), "-" (no submission)                 
               for Xpole, Ypole, Xrt, Yrt and LOD                              


Table 6.0919   GPS week: 0919   MJD: 50677.5-50683.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS SIGMA
------------------------------------------------------------------------
cod   uuuuu |    -35     17     -5     -4     -7 |       1     29
            |     19     17     13     11     31 |       1
emr   uuuuu |     15    -60    -30     70     -2 |      -4     31
            |      4     13     45     35     16 |       4
esa   uuuuu |     36      1     -5     24    -14 |      13     34
            |     14     31     45     52     20 |       2
gfz   uuuuu |    -10      6      6     -2    -13 |      18     29
            |     17     12     27     10     17 |       1
igr   xxxxx |    -83    -89     15     24    -10 |      -4     28
            |     23     40     35     27     24 |       1
jpl   uuuuu |     17      7      4    -27     22 |     -53     41
            |     23     18     27     17     26 |       3
ngs   uuuuu |    -36    -37     67     69    -45 |      74     64
            |     47     94     82    101     51 |       3
sio   uuuuu |      1    -13     -7    -12      9 |     -21     55
            |     14     21     30     31     28 |       3
                                                                               
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 SIGMA: Sigma of AC LOD BIAS (us)                          
                                                                               
         FLAG: "u" (used), "x" (excluded), "-" (no submission)                 
               for Xpole, Ypole, Xrt, Yrt and LOD                              


Table 7.0919.0   GPS week: 0919   Day: 0   MJD: 50677.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS SIGMA
------------------------------------------------------------------------
cod   uuuuu |     -4     33    -12     -2      6 |       1     29
emr   uuuuu |     13    -63    -43    117     23 |     -11     36
esa   uuuuu |     22    -51     59    107     -7 |      13     30
gfz   uuuuu |      8    -13     45    -13     -4 |      18     27
igr   xxxxx |    -81    -76      8     17     16 |      -5     25
jpl   uuuuu |    -12     33    -43    -55    -12 |     -56     35
ngs   uuuuu |   -104   -101     91     68     13 |      72     64
sio   uuuuu |     16     25    -38    -78      3 |     -25     51

Table 7.0919.1   GPS week: 0919   Day: 1   MJD: 50678.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS SIGMA
------------------------------------------------------------------------
cod   uuuuu |    -30     34      7     -6    -44 |       2     28
emr   uuuuu |     12    -52    -80     79     12 |      -5     27
esa   uuuuu |     61    -17    -41     -1    -23 |      13     29
gfz   uuuuu |      9     -4     21     -3      2 |      17     27
igr   xxxxx |    -93   -128     24     20     -4 |      -4     25
jpl   uuuuu |     -2      5     -5    -15     34 |     -58     34
ngs   uuuuu |    -46    -16    137     -6     18 |      74     63
sio   uuuuu |    -20    -13      9     16      3 |     -24     51

Table 7.0919.2   GPS week: 0919   Day: 2   MJD: 50679.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS SIGMA
------------------------------------------------------------------------
cod   uuuuu |    -23     29     16     -5    -60 |       0     29
emr   uuuuu |     22    -76    -52     73    -16 |      -4     27
esa   uuuuu |     26    -16     51     37      6 |      13     29
gfz   uuuuu |    -15     16    -14     -5    -13 |      18     27
igr   xxxxx |    -72   -131    -55    -15    -16 |      -4     25
jpl   uuuuu |     15    -18    -14    -23     43 |     -55     35
ngs   xxxxx |    -65   -193    -87    129   -122 |      78     63
sio   uuuuu |     13      4     17      7     44 |     -24     51

Table 7.0919.3   GPS week: 0919   Day: 3   MJD: 50680.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS SIGMA
------------------------------------------------------------------------
cod   uuuuu |    -31     25    -16     18      9 |       2     30
emr   uuuuu |      8    -73     -2     19      5 |      -1     31
esa   uuuuu |     30     20    -57    -32    -53 |      17     36
gfz   uuuuu |    -43     -2     12     11     -7 |      20     31
igr   xxxxx |   -118   -116     25     72     19 |      -2     29
jpl   uuuuu |     52     26     42    -12     62 |     -50     45
ngs   uuuuu |    -28    -89    124     -4    -85 |      78     63
sio   uuuuu |    -15    -25    -60     -3    -42 |     -19     58

Table 7.0919.4   GPS week: 0919   Day: 4   MJD: 50681.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS SIGMA
------------------------------------------------------------------------
cod   uuuuu |    -61      7    -14    -13      8 |       1     30
emr   uuuuu |     15    -64    -28     31    -16 |       0     31
esa   uuuuu |     29     15    -12     65     -7 |      13     38
gfz   uuuuu |     -9     14      0      4     -2 |      18     31
igr   xxxxx |    -76    -82     26      9     -8 |      -2     29
jpl   uuuuu |     43      8     18    -30      5 |     -50     45
ngs   uuuuu |    -57     39     50    -60    -21 |      74     66
sio   uuuuu |     -4    -30      9     -4      5 |     -21     59

Table 7.0919.5   GPS week: 0919   Day: 5   MJD: 50682.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS SIGMA
------------------------------------------------------------------------
cod   uuuuu |    -44     -1      1    -16     17 |       0     30
emr   uuuuu |     17    -57    -60     68      2 |      -3     32
esa   uuuuu |     34     15    -31     29    -18 |      12     38
gfz   uuuuu |     -7     18     16    -15    -23 |      17     31
igr   xxxxx |    -44    -75     59     36    -51 |      -4     29
jpl   uuuuu |     12      0     13    -44      5 |     -51     45
ngs   uuuuu |     31     49     17    236    -45 |      72     66
sio   uuuuu |      2    -16     16     -7     30 |     -20     59

Table 7.0919.6   GPS week: 0919   Day: 6   MJD: 50683.5
                                                     AC LOD   AC LOD
CENT  FLAG  |  Xpole  Ypole    Xrt    Yrt    LOD |    BIAS  BIAS SIGMA
------------------------------------------------------------------------
cod   uuuuu |    -52     -8    -17     -1     16 |       2     29
emr   uuuuu |     16    -38     56    104    -20 |      -3     32
esa   uuuuu |     47     41     -4    -38      4 |      10     39
gfz   uuuuu |    -16     10    -39      9    -46 |      16     31
igr   xxxxx |    -95    -17     20     33    -27 |      -6     31
jpl   uuuuu |     11     -6     15    -12     21 |     -51     45
ngs   uuuuu |     15     55    139    118    -69 |      72     67
sio   uuuuu |     12    -34      0    -17     22 |     -16     56


[Mailed From: Yves Mireault <mireault at geod.emr.ca>]



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