Subject: [IGSREPORT-2245] Wk 0821 IGS Final Orbits
From: AC Coordinator / NRCan GSDivision
Date: Mon, 18 Dec 1995 7:59:41 PST

IGS Electronic Report    Mon Dec 18  7:59:41 PST 1995      Message Number 2245
******************************************************************************

Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0821 IGS Final Orbits: Resubmission

IMPORTANT REMARK: Resubmission of the IGS Final Orbit Combination - Week 0821
-----------------------------------------------------------------------------
A revised version of Bulletin B number 94 was issued by IERS. Due to this,
the IGS Final orbit Combination for week0821 had to be redone and resubmitted
to CDDIS.
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IGS Final Orbit Combination Week 0821             (Oct 01, 1995 - Oct 07, 1995)

Contacts: J. Kouba ([email-masked])
          Y. Mireault ([email-masked]), F. Lahaye ([email-masked])

COMBINATION STRATEGY:

For a complete description of combination strategy, please refer to the report
posted on CDDIS (IGS08217.SUM).

SOFTWARE:

  The weighted average software used was developed by T. Springer and
G. Beutler during 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, Kouba, Springer, 1993, Combining orbits of the IGS processing
   centres, in IGS Analysis Centre Workshop, October 12-14, Ottawa, pp 19-55.

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

 IGS08210-6.SP3  IGS GPS ephemeris files for days 0-6, week 0821 in SP3 format.
 IGS08217.ERP    Earth rotation parameters (ERP) associated with ephemerides.
 IGS08217.SUM    Complete report.

  The old Rapid Service files have been renamed to:

 IGR08210-6.SP3  Rapid Service ephemeris files for days 0-6.
 IGR08217.ERP    Rapid Service earth rotation parameters (ERP).
 IGR08217.SUM    Rapid Service 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. Centre clock weights were determined using the following non-SA satellites:
   PRN12, PRN15 and PRN28. 

4. Some clock solutions were excluded from combination due to large clock
   shifts or outliers that were biasing the combined clock solution, but were
   kept for the RMS computation. The following table lists the exclusions:

            Day (Date)  |   PRN    | Centres | Shifts/Outliers
           -------------+----------+---------+------------------
            3 (Oct 04)  |   ALL    |   ESA   | up to ~110 ns
            6 (Oct 07)  |   ALL    |   ESA   | up to ~190 ns

5. New clock offsets and drifts were estimated for centres showing reference
   clock resets.  Note that only the first clock offset and drift are output
   to the summary file.  However, the clock combination and the listed RMS
   include all the clock segments.  In summary, the following clock
   shifts/resets were noticed and accounted for:

              Day (Date)  | Centres  | Shifts/Resets
             -------------+----------+----------------------
              5 (Oct 06)  | EMR,GFZ  | ~ +4.4 usec (~22:00)
              6 (Oct 07)  | EMR,GFZ  | ~ -2.4 usec (~16:00)
                          |   EMR    | ~ +0.8 usec (~22:15)
                          |   GFZ    | ~ +0.8 usec (~22:30)

6. Centre specific UT1-UTC values for ESA were not used in the long arc
   evaluation.  Smaller RMS were obtained when UT1-UTC values from Bulletin B 
   were used.

ORBIT COMBINATION AND EVALUATION STATISTICS:

For a complete description of tables and statistics, please refer to the report
posted on CDDIS (IGS08217.SUM).

Table 1: Week 0821 summary.                       (Oct 01, 1995 - Oct 07, 1995)

Table 1.0821.a   GPS week: 0821   MJD: 49991.0-49997.0

         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  61 |-.01  .03  .00  -.32  -.24   .01   .0  .08  .08 |    -.8    -.8    1.7
        | .01  .01  .00   .10   .14   .07   .1           |    6.5    8.7
emr  28 | .02 -.01 -.01   .08  -.13   .09  -.1  .09  .09 |-1174.8   -4.2    1.0
        | .00  .01  .00   .18   .25   .14   .2           | 1679.0    8.4
esa  48 | .01 -.01 -.04   .50   .02   .03   .1  .15  .14 |   -3.7   18.1   30.2
        | .01  .00  .01   .25   .15   .25   .1           |   14.9   21.7
gfz  47 |-.03 -.01  .00  -.25   .02  -.17  -.3  .11  .11 |-1170.1   -3.2    7.4
        | .01  .00  .00   .08   .15   .17   .1           | 1676.1   12.1
jpl  34 | .02  .04 -.01  -.51   .09   .12   .1  .09  .09 |-2135.0   -2.2     .9
        | .01  .01  .01   .22   .17   .21   .1           | 3272.9    9.2
ngs  43 | .01 -.01  .00  -.34   .14   .02  -.1  .12  .12 |     .1   -1.4   76.2
        | .01  .01  .01   .30   .38   .17   .2           |    5.2    7.9
sio  103|-.02 -.05  .04  -.27  -.43  -.22   .2  .11  .10 |     .0     .0     .0
        | .02  .01  .01   .44   .15   .31   .1           |     .0     .0

Table 1.0821.b   GPS week : 0821   MJD: 49991.0-49997.0

         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 |   4   5   5   5   4   4   5 |
   2  |   4   3   3   4   3   5   3 |
   4  |   3   3   4   4   4   4   5 |
   5  |   2   2   2   3   3   3   5 |
   6E |   4   4   4   4   4   4   4 |
   7E |   5   5   5   5   5   4   5 |
   9  |   3   3   3   4   4   3   4 |
  12  |   3   3   3   3   4   4   3 |
  14  |   3   3   2   3   3   3   3 |
  15  |   3   3   2   3   4   4   4 |
  16  |   3   4   2   3   3   5   3 |
  17  |   3   3   4   3   3   3   4 |
  18E |   4   4   4   4   4   4   3 |
  19  |   3   3   4   4   3   4   4 |
  20  |   2   3   3   3   3   3   4 |
  21  |   2   3   3   3   3   3   3 |
  22  |   3   3   3   4   3   3   4 |
  23  |   3   3   3   3   3   3   3 |
  24  |   3   3   3   3   4   4   4 |
  25  |   3   4   4   3   4   4   4 |
  26E |   4   3   5   3   4   5   4 |
  27  |   3   3   3   3   3   4   3 |
  28E |   4   5   4   4   4   5   4 |
  29E |   3   3   3   3   3   3   3 |
  31E |   5   5   5   4   5   5   5 |

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 2.0821.0   GPS week: 0821   Day: 0   MJD: 49991.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  60 |-.01  .03  .00  -.21  -.40  -.02  -.1  .09  .08 |  -14.5   16.8    1.7
emr  29 | .02 -.01 -.01   .12  -.17   .23  -.1  .10  .10 |-1815.2   10.7    1.0
esa  49 | .02 -.01 -.04   .44   .05  -.05   .1  .14  .13 |  -13.9   52.9   22.7
gfz  45 |-.04 -.01  .00  -.12  -.15  -.49  -.3  .09  .08 |-1814.7   18.3    5.6
jpl  34 | .02  .03 -.01  -.73   .00   .03   .2  .09  .09 |-1812.9   10.8     .9
ngs  43 | .02 -.02  .00  -.56  -.09   .11   .1  .10  .13 |   -8.3   11.5   75.6
sio  105| .01 -.04  .03   .47  -.62   .18   .1  .08  .08 |     .0     .0     .0

Table 2.0821.1   GPS week: 0821   Day: 1   MJD: 49992.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  62 | .00  .04  .00  -.37  -.34   .04   .0  .08  .08 |    4.0   -8.7    1.7
emr  28 | .02  .00 -.01  -.09   .06  -.09  -.2  .09  .09 |-1801.2  -14.6    1.1
esa  48 | .00 -.01 -.04   .84  -.11   .39   .0  .15  .14 |   18.1    7.1   18.6
gfz  46 |-.04 -.01  .00  -.26  -.08   .03  -.2  .11  .10 |-1797.5  -12.2    6.2
jpl  34 | .02  .04 -.02  -.76   .10  -.25   .2  .10  .10 |-1798.5  -14.5    1.1
ngs  44 | .01 -.01 -.01  -.48   .25   .13  -.2  .12  .11 |    4.2   -8.1   76.5
sio  104| .00 -.04  .05   .10  -.49   .16   .2  .08  .07 |     .0     .0     .0

Table 2.0821.2   GPS week: 0821   Day: 2   MJD: 49993.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  61 |-.01  .03  .00  -.17  -.36   .06  -.1  .08  .07 |    -.5    4.1    1.6
emr  29 | .02 -.01 -.01  -.03  -.26   .23   .0  .10  .10 |-1810.0    2.2    1.1
esa  49 | .01 -.01 -.05   .63  -.14   .12  -.1  .15  .12 |  -20.0   28.8   43.4
gfz  47 |-.03 -.01 -.01  -.29  -.15  -.17  -.2  .10  .09 |-1800.1   -5.3   10.0
jpl  34 | .03  .05 -.01  -.48  -.12   .05   .1  .09  .09 |  -92.1    8.2     .9
ngs  41 | .01 -.01  .01  -.36  -.04  -.15  -.2  .10  .11 |    5.8  -12.7   77.8
sio  106| .00 -.05  .04  -.12  -.53  -.18   .2  .08  .08 |     .0     .0     .0

Table 2.0821.3   GPS week: 0821   Day: 3   MJD: 49994.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  62 | .00  .03  .00  -.26  -.28  -.09   .0  .08  .07 |    4.6   -5.1    1.8
emr  28 | .02 -.01  .00  -.04  -.58   .23   .2  .10  .10 |-1804.7   -8.7     .9
esa  49 |-.01 -.01 -.05   .49  -.08  -.09   .1  .14  .13 |   -7.4  -10.2   23.7
gfz  47 |-.03 -.02  .00  -.26   .00  -.14  -.5  .11  .11 |-1797.2  -10.3    7.6
jpl  34 | .01  .04 -.01  -.51  -.12   .12   .0  .08  .08 |-1801.6   -8.6     .8
ngs  42 | .00 -.02  .00  -.12  -.40  -.18  -.2  .12  .14 |    3.7   -4.9   75.5
sio  106|-.02 -.05  .05  -.43  -.49  -.21   .3  .10  .10 |     .0     .0     .0

Table 2.0821.4   GPS week: 0821   Day: 4   MJD: 49995.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  62 |-.01  .03  .01  -.39  -.14  -.05   .0  .08  .07 |   -1.4   -3.6    1.7
emr  29 | .02 -.02 -.02   .43   .07   .07  -.3  .09  .08 |-1813.7   -7.5     .9
esa  48 | .00 -.01 -.03   .68   .16   .14   .1  .14  .13 |   -4.2   34.5   19.7
gfz  48 |-.03 -.01  .00  -.24   .15  -.03  -.3  .11  .11 |-1805.6  -14.8    7.2
jpl  34 | .02  .04 -.01  -.22   .25   .42   .2  .09  .09 |-9294.8   -8.0     .9
ngs  44 |-.01  .00 -.01  -.11   .20  -.03   .1  .12  .13 |   -1.0    1.9   74.1
sio  104|-.03 -.06  .06  -.58  -.41  -.62   .3  .12  .12 |     .0     .0     .0

Table 2.0821.5   GPS week: 0821   Day: 5   MJD: 49996.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  58 |-.01  .02 -.01  -.39  -.04   .12   .0  .08  .08 |    2.2   -5.1    1.8
emr  27 | .02 -.01 -.01   .15  -.17   .00  -.2  .09  .08 |-1811.5   -7.9    1.2
esa  48 | .01 -.01 -.02   .30   .25   .09   .1  .15  .14 |   15.6    1.6   20.7
gfz  47 |-.02 -.01  .00  -.23   .19  -.24  -.2  .13  .13 |-1806.4   -6.6    7.2
jpl  34 | .01  .04  .01  -.25   .21   .26  -.1  .08  .08 |  -72.9   -2.5    1.0
ngs  42 | .03 -.02  .00   .05   .20   .01  -.3  .12  .12 |    1.2     .9   77.3
sio  99 |-.04 -.06  .04  -.61  -.30  -.56   .2  .13  .13 |     .0     .0     .0

Table 2.0821.6   GPS week: 0821   Day: 6   MJD: 49997.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  61 | .00  .03 -.01  -.42  -.15   .00  -.1  .08  .08 |     .2   -4.1    1.7
emr  28 | .01 -.01 -.01   .00   .18  -.03   .0  .09  .09 | 2632.9   -3.2    1.0
esa  45 | .01 -.02 -.02   .07   .04  -.41   .3  .19  .18 |  -14.0   11.9   47.5
gfz  47 |-.02 -.02  .00  -.37   .16  -.16  -.3  .11  .11 | 2631.1    8.2    7.3
jpl  34 | .04  .04  .00  -.62   .30   .18   .0  .08  .09 |  -72.0    -.5     .8
ngs  44 | .01 -.01  .01  -.80   .84   .29   .1  .13  .13 |   -5.0    1.6   76.6
sio  94 |-.05 -.06  .04  -.74  -.17  -.29   .0  .14  .13 |     .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" flags eclipsing satellites.
         Units: cm.

Table 3.0821.0   GPS week: 0821   Day: 0   MJD: 49991.0

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

Table 3.0821.1   GPS week: 0821   Day: 1   MJD: 49992.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1E |  10   8  25  12  13   9  14    5 |    6  21  16  22   8  16  20   14
   2  |   8   5  17   6   8  14   7    3 |    8  11  12  11   7  21  15   10
   4  |   5   6  13   7   8   9   7    3 |    6   9  10   9   5  12  14    7
   5  |   5   7   7   4   7   5   8    2 |    3  12   9   9   6  10  13    6
   6E |  12  11  14   7  12  10  12    4 |   14  17  12  14   8  12  14   12
   7E |   9   7  25  11   9  23  10    5 |    6  14  19  17   6  25  21   13
   9  |   6   8  13   9   5  13   7    3 |    3  12  10  11   8   9  11    7
  12  |   6   7  13   4   6  10   9    3 |    8   8  12   9  10   9  10    7
  14  |   7   4  21   6   9  11   7    3 |    7   8  11   9   7  13  12    6
  15  |   6   7  16  10   7   6   7    3 |    5  11   8   6  12  10  11    7
  16  |   7   5   9  20  11   7   6    4 |    5   9   8  18   7   8  10    5
  17  |   7   9  15   5  12   6   7    3 |    5   9   9   8  14   7   7    4
  18E |   8  13  11   9   9  11   7    4 |   19  25  20  23  20  26  22   21
  19  |   5   8  10  10   8   9   5    3 |    4  13  12  13   6  13  12    8
  20  |   5   6  10   7   7   6   8    3 |    5  11  13   9   7  12  14    8
  21  |   6   6  12   7   8  18   7    3 |    4   9  10   8   7  14  11    6
  22  |   8  10   7   9   9  12   7    3 |    8  10  10  11   8  18  12    9
  23  |  12   7   8   6   9  14   5    3 |    8  12  11  10  10  17  12    9
  24  |   7   6  16   7   6   8   6    3 |    4   8  12  10   6  11  12    7
  25  |   7   8  19  12  11  13   5    4 |    4  12  13  14   7  17  11    8
  26E |   7  11  11   7  12  10   7    3 |   12  21  15  16  11  15  13   13
  27  |   6   7  13   6   7   6   6    3 |    6  10  12   9   7  11  11    8
  28E |   9  14  14  21  10  11   9    5 |    5  21  17  15   4  17  14   11
  29E |   7   8  12  11   9   7   5    3 |   10  11  18  12   5  13  15   10
  31E |  10  17  15  20  13  13   7    5 |    8  22  20  16   6  19  17   13
------|----------------------------------|----------------------------------
 RMS  |   8   9  15  10   9  11   8      |    7  13  13  13   8  15  13    9
 WRMS |   7   8  14   9  10  10   7      |

Table 3.0821.2   GPS week: 0821   Day: 2   MJD: 49993.0

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

Table 3.0821.3   GPS week: 0821   Day: 3   MJD: 49994.0

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

Table 3.0821.4   GPS week: 0821   Day: 4   MJD: 49995.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1E |   4  10  26  10   9  10  10    4 |    7  15  17  16   7  18  17   11
   2  |   5   7  14   8   9   9   8    3 |    6   9  12  11   5  15  17    7
   4  |   7   8  15  14   9   9  14    4 |    5  11  10  10   7  13  14    6
   5  |   5   6  16   6   6   5  11    3 |    6  11  13  10   4  11  18    7
   6E |  12   9  13   9   8   7  18    4 |    8  18  17  15   5  15  25   11
   7E |   8   6  15  15  11  20  13    5 |    6  14  15  16   8  25  26   11
   9  |   5   5  12  13   6  14  10    4 |    4  11  12  13   6  12  12    6
  12  |  10   9   9   5   6  14  11    4 |    7  11  11  10   8  17  16    7
  14  |   4   6  10   9   7  15  11    3 |    4   8  10   9   5   8  13    6
  15  |   7  10  11   7   8  16   9    4 |    6   8   9   9   7  16  11    5
  16  |   5   6  12  11   5   5  10    3 |    6   9  11  14   6  10  11    5
  17  |   7   5  10   7  11   9   8    3 |    5   8   9   7  14  10  16    6
  18E |   9  12  12  15  10   8   9    4 |   14  17  22  19  11  17  22   14
  19  |   7   6  11  10   9  12  10    3 |    6  11  14  13   7  16  18    8
  20  |   5   5  12   6   8   9  16    3 |    5  15  14  10   9  13  20    9
  21  |   5   5  10   8   7  16  12    3 |    3   9  13   7   8  15  16    7
  22  |  10   8   8   8   7  11  12    3 |    8  11  14  11   5  16  13    7
  23  |   8   8  12  11   5  11   7    3 |   10  17  16  15  12  11  18   11
  24  |   9   3  18  15   5  10  11    4 |    5  10   9  10   5  14  15    6
  25  |   7   5  18   7   6  12  14    4 |    9  13  14  12   7  16  17    8
  26E |  10   9  21   9   9  14  10    4 |    9  15  17  18  11  15  14   11
  27  |   6   8  13   7   9  10  10    3 |    4   9  14  10   8  13  19    6
  28E |   9  12   7  10  12  13  15    4 |    6  20  16  14   8  20  18   12
  29E |   7  10  10  11   8   7  12    3 |   10  13  18  16  10  16  25   11
  31E |   8  15  15  16  11  14  16    5 |    9  18  21  15   7  20  22   12
------|----------------------------------|----------------------------------
 RMS  |   7   8  14  10   8  12  12      |    7  12  14  12   7  15  17    8
 WRMS |   7   8  12  10   8  12  11      |

Table 3.0821.5   GPS week: 0821   Day: 5   MJD: 49996.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1E |   9  10  18  11   8  14  13    4 |    9  14  19  13   7  19  16   10
   2  |   7   8  23   8  11  16  15    5 |    8  12  18  12   7  16  24    8
   4  |  10   6  16  14   7   7  13    4 |    6   9  11  10   5  11  15    5
   5  |   6   4  17   6   4   8  14    3 |    5  12  13  10   7  12  18    8
   6E |   8   6   9   9   9  13  14    4 |    7  16  15  14   5  19  25   11
   7E |   8   9  16  17  11  10  14    4 |    7  13  22  17   6  21  24   10
   9  |   5   7   8  15   5  10  14    3 |    4  10  12  11   5  11  21    6
  12  |   8   6  11   6   8  12  16    4 |    6   8  11  10   7  15  23    6
  14  |   4   7   7  10   5   7   9    3 |    5   9  10   8   4  10  16    6
  15  |  11   9   7  10   6  11  12    4 |    3   9  15   8   7   9  16    6
  16  |   6   9   9  29   6  11  11    5 |    5  11   8  13   7  16  10    6
  17  |   5   7  13  13   6  10   8    3 |    6  10   8  10   8  15  20    7
  18E |   6   8  19  13   8  11   9    4 |   15  19  15  18  16  17  21   15
  19  |   7  10  17  14   8  12  11    4 |    7  14  13  13   6  15  21    7
  20  |   4   5  13   7   6   8  15    3 |    6  12  15  11   8  13  21    9
  21  |   7   8  12   8   5  13   9    3 |    3  12  13   9   5  13  17    7
  22  |   6   7  13  12   7  10  14    3 |    5  15  13  14   4  12  16    8
  23  |   7   6  10  12   3  13   7    3 |   10  14  14  18  12  14  20   12
  24  |   8   7  16   8   4  14  12    4 |    5  10  10   9   5  17  14    6
  25  |  10   6  18  10  10   8   9    4 |    9  14  17  14   6  15  12    8
  26E |   9   8  21  10   9  16  14    5 |   10  15  14  12   8  16  20   10
  27  |   5   7  20  14   8  11  12    4 |    5  13  15  14   7  13  22    6
  28E |   8   9   8  11  12  17  18    5 |    6  17  15  16   8  18  19   10
  29E |   8   8  14   9   6   9  10    3 |   12  11  15  14   9  15  23   11
  31E |   7  16  11  21  11  16  16    5 |   12  19  18  16   8  21  23   12
------|----------------------------------|----------------------------------
 RMS  |   7   8  15  13   8  12  13      |    7  13  14  12   7  15  19    8
 WRMS |   7   8  13  12   8  12  12      |

Table 3.0821.6   GPS week: 0821   Day: 6   MJD: 49997.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1E |   7   5  37  11   9   9  15    5 |   10  17  18  19  13  15  20   14
   2  |   6   7  16   8   8   9  11    3 |    6  11  17  12   9  15  21    9
   4  |   9   7  16  12  11  15  19    5 |    4  10  10  11  10  17  13    6
   5  |   8  16  22   7   5  16  13    5 |    5  12  12  11   7  20  24    9
   6E |   5  13  17  12  11   7  15    4 |   10  16  17  16   5  15  29   12
   7E |   9   6  13  19   9  21  12    5 |    6  16  16  18   6  25  23   11
   9  |   6   4  18  10   5  24  10    4 |    4  10  12  10   6  16  14    6
  12  |   7   7  17   6   5  13  12    3 |    9   8  15  10   8  18  19    8
  14  |   5   5  14  10   7  10  11    3 |    4   6  12   6   6  11  15    4
  15  |   6   9  27  13   7   8  11    4 |    4  11  11   8   6  12  11    6
  16  |   7  12  12   4   6   4  13    3 |    5  10   7  11   7  12  10    6
  17  |   6   9  16   8  10   7  15    4 |    6  10   9   9   8  12  17    5
  18E |   7   8   9  13   8   8  10    3 |   12  20  22  15  16  21  24   15
  19  |   5  11  14  10  11   8  10    4 |    7  10  15  13   8  15  22    8
  20  |   8   7  26   7   8   8  17    4 |    6  10  12  10   7  14  24    8
  21  |   6   7  11   8   5  11   9    3 |    4  10  13   8   6  11  18    7
  22  |   6   9  15  13   9  12  14    4 |    5  11  13  13   7  14  17    7
  23  |   5   7  11   9   6  16  10    3 |   14  22  18  15  15  16  22   15
  24  |   9   5  20  14   5  15  12    4 |    4   9  14   8   7  13  15    6
  25  |   9   6  30  10   7   9  11    4 |    7  14  17  13   8  17  13    9
  26E |   9   7  20  10  10  13  13    4 |   10  15  14  14  10  18  18   11
  27  |   4   9   9   8   7   7  11    3 |    6  11  15   9   8  13  24    8
  28E |   9   9   5  11  10  14  15    4 |    6  18  15  15   6  19  19   11
  29E |   5   6  12   8   6   8  12    3 |    9  14  21  13   9  21  23   12
  31E |  10  13  15  15   9   9  18    5 |    9  21  20  16   9  19  22   13
------|----------------------------------|----------------------------------
 RMS  |   7   9  18  11   8  12  13      |    7  13  15  12   8  16  19    9
 WRMS |   8   8  18  11   8  13  13      |

[Mailed From: Yves Mireault <[email-masked]>]