Subject: [IGSREPORT-1889] Wk 0799 IGS Final Orbits
From: AC Coordinator / NRCan GSDivision
Date: Fri, 21 Jul 1995 9:15:42 PDT

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IGS Electronic Report    Fri Jul 21  9:15:42 PDT 1995      Message Number 1889
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Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0799 IGS Final Orbits

IGS Final Orbit Combination Week 0799             (Apr 30, 1995 - May 06, 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 (IGS07987.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:

 IGS07990-6.SP3  IGS GPS ephemeris files for days 0-6, week 0799 in SP3 format.
 IGS07997.ERP    Earth rotation parameters (ERP) associated with ephemerides.
 IGS07997.SUM    Complete report.

  The old Rapid Service files have been renamed to:

 IGR07990-6.SP3  Rapid Service ephemeris files for days 0-6.
 IGR07997.ERP    Rapid Service earth rotation parameters (ERP).
 IGR07997.SUM    Rapid Service complete report.

REMARKS on IGS Final Orbit Combination:

1. The centres used in the clock combination are EMR, ESA, GFZ and JPL. The 
   other centres are excluded because they either provide broadcast clocks 
   (COD, 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. 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
             -------------+-------------+------------------
              3 (May 3)   | EMR,GFZ,JPL | ~1.4 us (~02:00)
             -------------+-------------+------------------
              5 (May 5)   |   GFZ,JPL   | ~-1.0 us (~07:30)

5. PRN06 was set unhealthy from day 4/wk798 (Apr 27) at 14:47 until day
   3/wk799 (May 3) at 5:41 (ref. NANU 089-95123), PRN24 from day 2 (May 2)
   at 23:00 until day 3 (May 3) at 10:07 (ref. NANU 091-95123) and PRN01 from
   day 3/wk799 (May 3) at 06:04 until day 5/wk800 (May 12) at 15:28
   (ref. NANU 100-95132), which respectively explains higher clock RMS seen
   on days 1 and 2 (PRN06), 3 (PRN24) and 5 (PRN01) for COD and NGS.

6. 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 RMS computation. The following table lists the exclusions:

            Day (Date)  |   PRN    | Centres | Shifts/Outliers
           -------------+----------+---------+------------------
            5 (May 5)   |    24    |  ESA    | ~500 ns
           -------------+----------+---------+------------------
            6 (May 6)   |    24    |  ESA    | ~500 ns

ORBIT COMBINATION AND EVALUATION STATISTICS:

  Most combination statistics are with respect to the combined orbits and
consist of three parts. The first, Table 1, summarizes all statistics for the
week. It contains means and standard deviations over the week of satellite
ephemeris and clock correction transformation parameters for each centre
(table 1.0799.a). It also displays the computed satellite position sigmas for
the combined orbits (table 1.0799.b). The second part, Table 2, contains the
complete ephemeris and clock correction transformation parameters (includes
both the apriori and a posteriori values) for each centre and each day
(tables 2.0799.0-6). The third and final part, Table 3, contains two types of
daily RMS for each satellite and centre, along with the computed satellite
position sigmas for the combined orbits (tables 3.0799.0-6). The first type of
satellite RMS is based on orbit combination and the second RMS type is a result
of the 7-day arc evaluation of each centre ephemerides.
  In all tables, the most important statistic which is meaningful for intra
centre/satellite analysis is labeled WRMS. It is a weighted RMS where
normalized weights are based on accuracy codes given in the SP3 files, and
should not be affected by downweighted/problem satellites when acknowledged by
individual centres in their SP3 file.

Table 1: Week 0799 summary.                       (Apr 30, 1995 - May 06, 1995)

Table 1.0799.a   GPS week: 0799   MJD: 49837.0-49843.0

         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  56 | .01  .02  .01  -.61  -.26   .15   .0  .10  .09 |  749.4-1289.120206.3
        | .00  .01  .00   .15   .19   .21   .1           | 1580.1 2583.8
emr  27 | .01  .00  .00  -.35  -.23   .21   .0  .09  .09 |-1586.4  -29.2     .9
        | .00  .01  .01   .20   .22   .12   .1           |  640.7   22.6
esa  36 | .01  .00 -.03   .52   .06   .20   .0  .16  .14 | -688.2    5.1   66.8
        | .01  .01  .01   .31   .33   .18   .1           |  180.3   28.9
gfz  43 |-.04 -.01 -.01  -.17  -.10  -.21  -.3  .10  .10 |-1277.3  -24.1   13.7
        | .00  .01  .00   .19   .11   .12   .1           |  617.5   13.0
jpl  34 | .01  .05  .01  -.51  -.32   .04   .0  .09  .09 | -998.9  -15.1     .8
        | .00  .01  .01   .21   .14   .06   .0           |  833.4   11.5
ngs  35 | .01 -.03 -.02  -.12  -.14  -.22   .5  .15  .14 | 2207.8-3450.617835.7
        | .01  .02  .01   .29   .36   .34   .2           | 4502.6 6931.5
sio  33 | .01 -.09  .05   .38 -1.20  -.26   .1  .19  .18 |     .0     .0     .0
        | .02  .02  .05   .19   .44   .11   .2           |     .0     .0

Table 1.0799.b   GPS week : 0799   MJD: 49837.0-49843.0

         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
------|-----------------------------|------------------------------------------
   1  |   4   3   4   4   4   4   4 |
   2  |   4   4   4   4   5   3   3 |
   4  |   4   4   4   4   3   3   3 |
   5  |   4   3   3   4   3   3   4 |
   6  |   4   7   6   4   5   4   4 |
   7  |   4   4   4   4   4   4   4 |
   9E |   5   4   4   4   5   5   5 |
  12  |   4   3   3   3   4   3   4 |
  14  |   3   3   3   4   3   3   3 |
  15  |   5   5   4   5   5   5   5 |
  16  |   4   3   3   6   4   4   4 |
  17  |   4   6   4   5   5   5   5 |
  18  |   4   4   4   3   4   4   3 |
  19E |   5   4   5   5   5   5   4 |
  20  |   4   3   3   3   3   3   3 |
  21  |   3   3   3   4   4   3   4 |
  22  |   4   4   3   4   4   3   4 |
  23  |   6   4   4   3   3   3   3 |
  24  |   4   5   5  14   6   6   5 |  Sparse tracking on day 3.
  25E |   6   6   6   4   5   4   4 |
  26  |   4   3   3   4   4   4   5 |
  27E |   4   4   4   5   7   5   5 |
  28  |   5   5   4   5   4   4   4 |
  29  |   3   4   4   3   4   4   3 |
  31  |   5   4   5   5   4   5   4 |

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

Table 2.0799.0   GPS week: 0799   Day: 0   MJD: 49837.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  57 | .00  .03  .02  -.83  -.18  -.08   .1  .10  .10 |   -4.1    -.6   76.3
emr  27 | .01 -.01  .00   .00  -.06   .19   .0  .11  .11 |-1645.0  -24.2     .7
esa  34 | .00  .00 -.02   .48  -.30   .43  -.2  .17  .14 |-1007.0   -5.8    1.2
gfz  43 |-.03 -.01  .00  -.21   .01  -.19  -.3  .10  .09 |-1643.0  -24.2     .9
jpl  34 | .01  .05  .02  -.44  -.38   .00  -.1  .09  .09 |  318.0     .3     .6
ngs  34 | .02 -.04 -.03   .01   .08   .19   .8  .15  .14 |   -3.3   -1.6   76.3
sio  35 | .00 -.09 -.02   .23 -1.25  -.31   .1  .17  .15 |     .0     .0     .0

Table 2.0799.1   GPS week: 0799   Day: 1   MJD: 49838.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  57 | .00  .02  .01  -.75  -.29   .15   .0  .08  .08 | 3500.0-5782.026070.0
emr  27 | .02 -.01  .00  -.48  -.42   .22  -.1  .10  .10 |-1670.9   -7.5     .7
esa  36 | .01  .01 -.04   .07  -.13   .16   .0  .14  .13 | -853.5   24.3    1.1
gfz  44 |-.04 -.01  .00  -.42  -.11  -.14  -.1  .09  .09 |-1668.7   -8.3     .6
jpl  34 | .01  .04  .02  -.86  -.36  -.02   .0  .09  .09 |-1671.3   -7.8     .5
ngs  36 | .01 -.02 -.03  -.58  -.34  -.38   .5  .18  .15 | 3501.3-5783.126060.0
sio  31 | .01 -.11  .04   .30 -1.10  -.40   .2  .18  .18 |     .0     .0     .0

Table 2.0799.2   GPS week: 0799   Day: 2   MJD: 49839.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  55 | .01  .02  .01  -.65  -.03   .32   .0  .09  .09 | 2483.0-4176.018570.0
emr  26 | .01 -.02 -.01  -.15  -.09  -.04   .1  .09  .09 |-1681.9  -26.7     .6
esa  36 | .01  .00 -.04   .60   .27   .32   .1  .15  .11 | -623.3  -18.7    1.0
gfz  43 |-.04 -.02  .00  -.37  -.02  -.27  -.2  .09  .09 |-1680.5  -27.7     .6
jpl  34 | .01  .05  .01  -.68  -.16   .04  -.1  .09  .09 |-1682.0  -27.3     .5
ngs  36 | .00  .01 -.03  -.35   .26  -.08   .6  .14  .14 |11979.2*******39340.0
sio  33 | .01 -.08  .10   .07  -.81  -.23  -.1  .18  .18 |     .0     .0     .0

Table 2.0799.3   GPS week: 0799   Day: 3   MJD: 49840.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  55 | .02  .02  .01  -.62  -.10   .23   .0  .11  .10 | -704.1  903.442820.0
emr  29 | .01  .00  .00  -.46   .00   .22   .0  .09  .09 |-1706.4  -14.8    1.1
esa  36 | .00 -.02 -.03   .17   .17   .01   .0  .21  .18 | -513.6   -8.6    1.3
gfz  43 |-.05  .00 -.01  -.18  -.01  -.41  -.2  .11  .11 |-1705.3  -12.0   15.0
jpl  34 | .02  .06 -.01  -.50  -.14   .14   .0  .11  .10 |-1707.0   -7.7     .9
ngs  34 | .01 -.02 -.02  -.12   .12   .12   .5  .13  .13 |    5.6  -14.5   76.2
sio  33 |-.01 -.09  .08   .45  -.86  -.31  -.2  .18  .17 |     .0     .0     .0

Table 2.0799.4   GPS week: 0799   Day: 4   MJD: 49841.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  57 | .01  .03  .02  -.39  -.21   .49  -.3  .11  .10 |     .9   -4.2   83.3
emr  28 | .02 -.01 -.02  -.32  -.13   .33   .1  .10  .10 | -362.4  -29.8     .6
esa  35 | .01 -.01 -.02   .97   .65   .35  -.1  .17  .16 | -521.8   -6.4    1.1
gfz  43 |-.04 -.01  .00   .12  -.05  -.20  -.3  .10  .09 | -368.0  -15.6   18.1
jpl  34 | .01  .04  .00  -.18  -.26  -.04   .0  .09  .08 | -362.7  -29.0     .6
ngs  36 |-.01 -.04 -.02   .11   .10  -.74   .6  .14  .13 |    -.4   -2.8   83.9
sio  35 | .04 -.12  .13   .56  -.89  -.33   .3  .25  .20 |     .0     .0     .0

Table 2.0799.5   GPS week: 0799   Day: 5   MJD: 49842.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  56 | .01  .01  .01  -.50  -.49   .02   .0  .10  .09 |  -16.9   18.9   94.3
emr  28 | .02  .01  .00  -.55  -.31   .26   .0  .08  .08 |-2546.5  -77.3    1.0
esa  38 | .00 -.01 -.02   .59   .05   .10  -.1  .15  .14 | -631.2   62.9  113.9
gfz  43 |-.04 -.01  .00  -.05  -.26  -.23  -.4  .10  .09 | -391.2  -39.6   18.9
jpl  34 | .01  .05  .02  -.42  -.38   .08   .0  .09  .09 | -394.7   -9.7    1.0
ngs  35 |-.01 -.03 -.02   .27  -.60  -.49   .5  .15  .14 |  -14.1   20.6  101.4
sio  33 | .02 -.09 -.01   .58 -1.41  -.10   .0  .16  .16 |     .0     .0     .0

Table 2.0799.6   GPS week: 0799   Day: 6   MJD: 49843.0

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------|------------------------------------------------|---------------------
cod  57 | .00  .00  .01  -.54  -.55  -.08   .0  .09  .09 |  -13.3   16.8   78.6
emr  26 | .02  .00  .00  -.48  -.60   .31   .0  .08  .08 |-1492.1  -24.1    1.1
esa  38 | .01  .00 -.02   .74  -.25  -.02   .2  .15  .13 | -666.6  -11.9  135.1
gfz  43 |-.04  .01 -.01  -.06  -.24  -.01  -.3  .12  .11 |-1484.7  -41.3   20.1
jpl  34 | .01  .05  .01  -.47  -.53   .07   .0  .09  .09 |-1492.4  -24.2    1.2
ngs  37 | .01 -.04 -.01  -.21  -.57  -.13   .0  .14  .13 |  -13.9   16.8   80.9
sio  34 | .01 -.07  .02   .47 -2.05  -.15   .1  .18  .18 |     .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 3.0799.0   GPS week: 0799   Day: 0   MJD: 49837.0

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

Table 3.0799.1   GPS week: 0799   Day: 1   MJD: 49838.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |   5  10   9   8   7  12  16    3 |   10  13  13   9   7  18  21    9
   2  |   7   9   6   7   6  20  15    4 |   20  23  23  21  20  16  18   19
   4  |   6   8  11   9   9  13  23    4 |   10  11  12  10   7  14  20    8
   5  |   7   7  12   6   6  13  15    3 |    8   9  15  11   5  13  15    6
   6  |  10  21   8  10   7  40  23    7 |    6  21  21  12   8  25  30   11
   7  |   9  11   9   9   8  16  13    4 |    6  16  19  12   7  16  22   10
   9E |  11   9  13   8  10  10  12    4 |   11  16  19  19  11  17  21   13
  12  |   8   7  14   3   8   6  14    3 |    7  10  15   8   8  10  14    6
  14  |   4   3   9   6   5  11  19    3 |    7   7  14   9   8  11  19    7
  15  |   5  12  30  10   8   9  18    5 |    6  13  23  11   7  14  21    9
  16  |   6   7   9   9   6  15  17    3 |    7   9  10   6   8  14  19    6
  17  |  11   9  11  13  14  31  13    6 |   10  10  14  18   7  18  16    8
  18  |   5   7  17   7   8   9  21    4 |    7  10  16  10   6  11  23    7
  19E |  11   8  13  14   8  15   8    4 |    8  14  14  18   5  15  16    8
  20  |   6   5   8   3   8  11  17    3 |    6  10  12   8   6  15  17    5
  21  |   5   7  12   6   4  14  13    3 |    6   7  14   7   7  15  10    5
  22  |   7   9  12   9   6  17  24    4 |    7  10  10   9   8  15  25    5
  23  |   7   9  14   5   7  21  11    4 |   10  11  11   8   8  18  14    8
  24  |   6   8  20   7  11  26  25    5 |    6  14  12  16  13  21  17   10
  25E |  11  12  18  12   7  23  31    6 |    6  17  13  17   8  29  31    9
  26  |   6   6  11   7   8  13  18    3 |   10  11  20  13   6  21  20    9
  27E |   9   5  12  10   9   9  15    4 |   12  13  17  17   8  15  18   11
  28  |   9  13  18  10   9  12  18    5 |    7  16  18  13   7  18  23    7
  29  |   9   5  15   8   9   9  20    4 |   11  12  20  11   7  14  24    9
  31  |   6   8  13  12  11  12   9    4 |    7  12  24  14   5  17  15    9
------|----------------------------------|----------------------------------
 RMS  |   8   9  14   9   8  17  18      |    8  13  16  12   8  16  20    9
 WRMS |   8   9  13   9   8  14  17      |

Table 3.0799.2   GPS week: 0799   Day: 2   MJD: 49839.0

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

Table 3.0799.3   GPS week: 0799   Day: 3   MJD: 49840.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |   7   8  14  10   9  10  16    4 |   13  12  13   9   6  17  22    8
   2  |  15   5  15   6   8  16  13    4 |   29  39  35  41  42  37  43   37
   4  |  13   6  12   9   7   8  16    4 |   19  13  14  12   8  13  16   10
   5  |   8   4  16   3   7  13  21    4 |    5  10  19  12   5  18  26    7
   6  |   9  12  15   8   8  14  15    4 |    7  15  20  12   7  19  19    8
   7  |   9   7  21   9   9   9  12    4 |    7  11  19  14  10  19  22    9
   9E |  10  12   9  14  11  10  11    4 |   12  20  20  26  10  25  22   15
  12  |  10   6  12   7   8   7  13    3 |    9   9  16   8   8  15  18    7
  14  |   5   5  24   7   6  11  16    4 |    8   8  22  12   8  16  16    8
  15  |  10   4  20  13   8  14  23    5 |   10  12  25  14   6  15  26    9
  16  |   7   8   9  13   8  16  45    6 |    8  10  12  11   9  22  42    8
  17  |   6  10  11  10  13  21  15    5 |   10  14  13  14   7  21  21    7
  18  |   9   7  11  10   8   7  13    3 |    8  11  21  16   6  19  21    8
  19E |  11  12  11  17  11  13  11    5 |    8  13  19  25   6  20  22   10
  20  |  10   5  11   4   7   8  20    3 |    7  12  14  10   5  18  21    7
  21  |   7   6   9   8   6  13  19    4 |    8  10  15  10   9  20  18    8
  22  |   6   9  13  12   5   9  15    4 |    7   9  14  12   5  20  20    7
  23  |   7   7  10   6   9   8  15    3 |   10  13  13  11   9  21  16    8
  24  |  20  13  70  15  34 --- ---   14 |   12  25  31  26  41 --- ---   18
  25E |   8   9  17  12   7  14  10    4 |    9  13  18  16   8  24  19   11
  26  |   7  10  23   8  11   9  15    4 |   13  14  21  12   7  14  17   10
  27E |  12   8  16  17   8  12  15    5 |   18  16  16  23  11  25  29   14
  28  |  14  11  17   8   9  13  18    5 |   12  12  19  13   6  25  26   10
  29  |   9   6  17   9   9   7  12    3 |   10  11  23  14   7  19  19    9
  31  |   9  11  26   8   9  16   9    5 |    7  12  22  13   9  19  15    9
------|----------------------------------|----------------------------------
 RMS  |  10   8  21  10  11  12  18      |   11  15  19  17  13  20  23   12
 WRMS |  10   8  18  10   9  13  17      |

Table 3.0799.4   GPS week: 0799   Day: 4   MJD: 49841.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |   6  11  16  10   8  12  16    4 |   10  13  16   9   5  18  18    7
   2  |  23   8  10   8   9  11  25    5 |   19  20  21  13  18  19  18   15
   4  |   5   9  11   8   5   8  15    3 |    5  13  15  12   7  16  17    9
   5  |   9   7  10   7   7   7  17    3 |    7  11  14  12   4  13  21    7
   6  |  12  12  24   7   7  11  22    5 |    9  13  18  11   7  18  22    7
   7  |  11   9  16   8   6  15  14    4 |    8  14  15  14   9  20  19   10
   9E |  11  10  13  10  12  16  16    5 |   11  21  24  17   8  24  21   13
  12  |  11   6  24   7   7  15  14    4 |   12   8  23   8   6  19  15    7
  14  |   4   9   9   5   6   8  21    3 |    8   8  14  11   9  15  19    8
  15  |  12   7  14   6   7  25  16    5 |    7  10  16  12   7  28  15    7
  16  |   8  10  17   6   6  16  21    4 |    8   7  15   9   9  14  28    8
  17  |  13  16  12  16  11  10  19    5 |   11  17  16  20   6  21  20    7
  18  |   8  10  19  11   7   6  20    4 |    8  13  17  12   5  16  21    7
  19E |  13   9  10  14   9  14  31    5 |    7  12  18  24   6  21  29   10
  20  |   8   5  16   5   6   8  17    3 |    5  10  14  11   5  14  22    6
  21  |   8   7  11   9   8  19  18    4 |    6   9  10  12   9  21  13    7
  22  |   6  11  12  13   6  14  26    4 |    6  12  13  12   7  17  32    6
  23  |   7  10  12   5   4   8  23    3 |    8  10  10   7  10  18  26    7
  24  |  12  10  31   9  11  13  24    6 |   11  16  23  15  16  23  17   11
  25E |   6  12  24  12   9  14  33    5 |    8  13  25  14   6  29  38   11
  26  |   8  12  12   6   8  12  25    4 |   14  15  23  11   7  18  22    9
  27E |  12  11  14  11  10  13  65    7 |   15  15  15  20  12  29  57   14
  28  |   6   7  12   7  10  14  27    4 |   10  11  19  14   6  20  25   10
  29  |   8   9  20  11   6  12  26    4 |   11  13  22  11   5  12  28    8
  31  |  11  12  20   5   7  13  15    4 |    8  13  17  12   8  22  14    9
------|----------------------------------|----------------------------------
 RMS  |  10  10  16   9   8  13  25      |    9  13  17  13   8  19  24    9
 WRMS |   9  10  15   9   8  12  20      |

Table 3.0799.5   GPS week: 0799   Day: 5   MJD: 49842.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |   9   9  14   9   7   9  13    4 |   11  13  11   8   5  16  15    9
   2  |  13   5  10   6   6   6   9    3 |   31  26  34  27  23  19  27   26
   4  |   7   5  12   6   7   9  12    3 |   13  10  13  11   6  11  17   10
   5  |   8   3  10   9   9   7  11    3 |    9   9  13  10   4  11  19    8
   6  |  13  11  11   8   5  15  17    4 |    9  11  19  13   8  14  25    9
   7  |   9   9  12   7   8  18  22    4 |    5  11  13  13   6  20  21    9
   9E |   9   9  17  14  12  13  14    5 |   11  21  27  22  11  21  24   16
  12  |   9   5  11   8   8  11  10    3 |   10   9  16   8   6  10  14    7
  14  |   5   6  10   6   6   5  14    3 |    8   8  14   9   8  10  15    7
  15  |  14   7  13  11   9  19  19    5 |   11  11  15  10   7  21  19    9
  16  |   5   6  13  10   5  17  16    4 |    7   8  12   7   5  15  16    7
  17  |   9  10  13  13  10  29   7    5 |   11  13  14  16   5  21  13    8
  18  |   8   8  14   8   8  14  18    4 |   13  11  15  13   4  18  25    8
  19E |  11   7  10  19   9  11  14    5 |    7  13  14  22   5  15  21    9
  20  |   6   3  13   4   8   7  15    3 |    9   9  13   9   5  13  22    7
  21  |   6   7  12   7   5   9  13    3 |    8   9  13   9   9  13  12    7
  22  |   7   6   8   8   8   7  19    3 |    9  11  11  11   7   9  20    8
  23  |   7   8   9   6   7  15  13    3 |    9  12  10   9   9  13   9    7
  24  |  11   6  34   7   7  19  30    6 |   10  12  17  14   8  16  17   10
  25E |   8   9  22   8   7   7   9    4 |    8  14  25  18   6  17  15   12
  26  |  12  10  16   8   9  14  17    4 |   14  14  23  13   7  13  24    9
  27E |  15   5  11  14  11   8  21    5 |   14  12  14  20   8  17  20    9
  28  |  13   7  12   6   9  16  16    4 |   13  10  17  11   5  16  20    7
  29  |   6   8  14   8   8  18  15    4 |   11  11  16  12   4  20  23    8
  31  |  11   9  22   6   9  22  12    5 |   15  13  18  11   5  20  18   10
------|----------------------------------|----------------------------------
 RMS  |  10   7  15   9   8  14  16      |   12  12  17  13   7  15  19   10
 WRMS |   9   7  13   9   8  14  16      |

Table 3.0799.6   GPS week: 0799   Day: 6   MJD: 49843.0

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

Geodetic Survey of Canada
Ottawa, Ontario, Canada
Internet: [email-masked]

[Mailed From: Pierre Tetreault <[email-masked]>]