[IGSREPORT-1037] IGS Final Orbit Comb(746)

Analysis Analysis
Mon Jun 20 12:25:26 PDT 1994


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IGS Electronic Report    Mon Jun 20 12:25:26 PDT 1994      Message Number 1037
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Author: Analysis Centres Coordinator / Geodetic Survey of Canada
Subject: IGS Final Orbit Comb(746)

IGS Final Orbit Combination Week 0746             (Apr 24, 1994 - Apr 30, 1994)

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


COMBINATION STRATEGY:

For a complete description of combination strategy, please refer to the report
posted on CDDIS (IGS07467.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:

 IGS07460-6.SP3  IGS GPS ephemeris files for days 0-6, week 0746 in SP3 format.
 IGS07467.ERP    Earth rotation parameters (ERP) associated with ephemerides.
 IGS07467.SUM    Complete report.

  The old Rapid Service files have been renamed to:

 IGR07460-6.SP3  Rapid Service ephemeris files for days 0-6.
 IGR07467.ERP    Rapid Service earth rotation parameters (ERP).
 IGR07467.SUM    Rapid Service complete report.


REMARKS on IGS Final Orbit Combination:

1. 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. Starting with the GPS week 742 a new clock combination scheme was put in
   place. Now the clock solution alignments to the GPS time use only non-SA
   broadcast clock corrections (currently PRN 12, 15, 20) and the centre clock
   weights are determined from the fit RMS of this alignment. In this
   way the quality of the clock alignments (to the GPS time) are not affected
   by SA and more realistic and objective weights are determined and used in
   the clock combination, provided the non-SA satellites are representative of
   each centre clock solution quality.

4. There was a manoeuver of PRN14 on day 3 (April 27) (ref. NANU 143-94118).
   The ESA solution which modeled the maneuver is provided for that satellite
   on that day as the combined solution. An associated accuracy code of 0
   (unknown) was given since there was no redundancy. The NGS solution for 
   PRN14 on the day of maneuver was excluded from the combination based on the 
   assumption that it is an extrapolation instead of the actual modeling.
   Moreover, ESA, NGS and the combined solutions for PRN14 were excluded from 
   the long arc evaluation on day 3 due to unrealistic RMS caused by the 
   maneuver.

5. Other orbit solutions were excluded from combination because they were
   biasing the combination results (indicated by long arc RMS).  These were
   still used for statistics computation. They are:

                Day (Date)  |  PRN  | Centres
               -------------+-------+---------
               1 (April 25) | 21,28 | NGS
               2 (April 26) |  04   | NGS
               3 (April 27) |  14   | NGS
               4 (April 28) |  21   | NGS
               6 (April 30) |  01   | NGS
 
6. A state vector reset was modeled in the long arc process for PRN14 
   (day 4/Apr 28).

7. UT values from Bulletin B were used in the long arc evaluation for JPL due 
   to discontinuities found in its UT series (day 4/Apr 28 and day 6/Apr 30).

8. No data for PRN13.


ORBIT COMBINATION AND EVALUATION STATISTICS:

For a complete description of tables and statistics, please refer to the report
posted on CDDIS (IGS07467.SUM).


Table 1: Week 0746 summary.                       (Apr 24, 1994 - Apr 30, 1994)

Table 1.0746.a   GPS week: 0746   MJD: 49466.0-49472.0

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

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod | -.01  .02  .03   .35  -.08   .39  -.1   .15   .14 |   -3.7    4.8   76.4
    |  .01  .01  .01   .31   .31   .17   .2             |    3.7    7.4
emr |  .02  .01  .01   .20   .37   .26  -.3   .18   .17 |-1210.7  -19.1    3.1
    |  .01  .01  .01   .19   .19   .16   .1             |   49.4    6.7
esa |  .01  .01  .01   .74   .54  -.49   .1   .22   .21 |    2.8  -32.8    9.8
    |  .01  .01  .02   .39   .27   .28   .2             |   18.5   24.7
gfz | -.05  .02  .00  -.38   .70  -.76  -.3   .17   .14 |-1206.0  -24.7   12.2
    |  .02  .01  .01   .20   .29   .22   .2             |   47.7    7.0
jpl | -.01 -.03  .02   .99   .17   .04  -.2   .12   .12 |-1206.0  -16.2   12.8
    |  .01  .01  .01   .27   .24   .13   .2             |   50.4    6.8
ngs |  .05  .02 -.12  -.08  1.00   .82   .4485.68 88.41 |     .0     .0     .0
    |  .04  .03  .04   .83   .40   .63   .5             |     .0     .0
sio |  .02 -.02 -.08   .47   .61   .49  1.3   .21   .20 |     .0     .0     .0
    |  .01  .01  .01   .17   .20   .20   .2             |     .0     .0

Table 1.0746.b   GPS week : 0746   MJD: 49466.0-49472.0

         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  |   9   9   8   7  10   9   8 |
   2  |   5   9   8   7   7   8   7 |
   4  |   7   5   6   7   7   6   6 |
   5  |   5   5   6   5   6   6   6 |
   6E |   8  11   9  12  14  11   8 |
   7E |   7   9   7   6   7   7   8 |
   9  |   6   5   6   6   5   7   7 |
  12  |   5   5   7   6   4   6   6 |
  14  |   7   7   8   0  10   6   6 | Maneuver on day 3.
  15  |   5   9   6   8   8  10   9 |
  16  |   9   9   7  11   7   6   6 |
  17  |   5   7   6   5   6   5   7 |
  18  |   8   7   7   6   6   5   6 |
  19  |   7   6   6   7   6   7   6 |
  20  |   6   6   6   5   5   4   4 |
  21  |   5   5   6   6   6   5   4 |
  22  |  10  10   8  10   7   8   6 |
  23  |   4   6   6   5   7   4   5 |
  24  |   8   7   7   6   6   5   7 |
  25  |   7   8   9   7   8   8   6 |
  26  |   9   7   8   8   7   7   9 |
  27  |   7   8   6   7   7   6   6 |
  28E |   8   9   8   5  11   7   7 |
  29  |   8   7   8   6   4   5   5 |
  31E |   7   8   9   7  11   8   7 |

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

Table 2.0746.0   GPS week: 0746   Day: 0   MJD: 49466.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .00  .02  .03   .00   .52   .30   .0   .16   .17 |   -9.2   11.2   77.5
emr |  .02  .00  .00   .21   .34   .48   .0   .17   .17 |-1144.9  -18.3    2.2
esa |  .00  .01 -.02   .36  1.00  -.78   .1   .24   .24 |  -22.7  -31.3    4.2
gfz | -.02  .02  .02  -.32   .77  -.63  -.3   .15   .13 |-1142.0  -20.2   11.2
jpl | -.03 -.03  .02   .46   .04   .00  -.4   .12   .12 |-1140.0  -15.5   13.8
ngs |  .05  .03 -.15  -.67  1.17  1.23   .2   .48   .45 |     .0     .0     .0
sio |  .02 -.02 -.08   .44   .63   .25  1.4   .22   .21 |     .0     .0     .0

Table 2.0746.1   GPS week: 0746   Day: 1   MJD: 49467.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod | -.01  .01  .02  -.06  -.26   .24  -.1   .15   .14 |   -4.8   14.3   74.4
emr |  .03  .01  .00   .17   .54   .43  -.4   .16   .16 |-1163.5  -10.4    2.7
esa |  .00  .01  .02   .21   .38  -.60   .2   .20   .18 |   11.0  -16.4    4.4
gfz | -.05  .02  .00  -.52   .37  -.98  -.4   .18   .15 |-1159.4  -14.2   12.9
jpl | -.01 -.03  .02  1.10  -.04   .23  -.3   .12   .12 |-1157.6   -7.4   11.0
ngs |  .07  .05 -.18 -1.28   .80  1.68   .6  1.15   .82 |     .0     .0     .0
sio |  .04 -.04 -.09   .24   .64   .68  1.5   .25   .23 |     .0     .0     .0

Table 2.0746.2   GPS week: 0746   Day: 2   MJD: 49468.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .00  .02  .02   .17  -.14   .57   .1   .15   .13 |   -5.3    9.0   77.1
emr |  .02  .01  .01   .13   .21   .16  -.4   .20   .20 |-1187.3  -20.0    4.0
esa |  .01  .00  .02  1.35   .37  -.56   .0   .20   .19 |    -.6   -5.7    6.4
gfz | -.05  .04  .00  -.35   .25  -.95  -.5   .17   .16 |-1185.0  -22.2   11.9
jpl | -.01 -.04  .03  1.31   .10   .20  -.3   .12   .12 |-1183.1  -15.6   12.3
ngs |  .03  .00 -.16  -.69   .37  1.28   .1   .58   .57 |     .0     .0     .0
sio |  .03 -.03 -.08   .57   .46   .62  1.3   .19   .22 |     .0     .0     .0

Table 2.0746.3   GPS week: 0746   Day: 3   MJD: 49469.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .00  .02  .03   .49  -.28   .49  -.2   .15   .14 |    2.9   -4.7   77.5
emr |  .02  .02  .00   .61   .40   .21  -.3   .17   .16 |-1208.4  -21.7    2.8
esa | -.01 -.01  .01   .60   .43  -.56  -.1   .21   .22 |   28.0  -27.2    4.2
gfz | -.05  .01  .01  -.63   .84  -.69  -.3   .16   .15 |-1204.5  -25.0   12.4
jpl |  .01 -.03  .02  1.15   .52  -.09  -.2   .13   .13 |-1201.2  -16.3   12.0
ngs |  .06 -.01 -.08  -.01  1.04   .18   .2******233.90 |     .0     .0     .0
sio |  .03 -.02 -.07   .38   .53   .70  1.1   .19   .18 |     .0     .0     .0

Table 2.0746.4   GPS week: 0746   Day: 4   MJD: 49470.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .00  .01  .05   .60   .07   .50  -.4   .14   .12 |   -3.3    1.3   75.8
emr |  .04  .01 -.01   .01   .07   .00  -.4   .16   .16 |-1231.9  -29.9    2.2
esa |  .00  .02  .03   .86   .75  -.68   .4   .22   .21 |   -6.8  -73.5    4.1
gfz | -.06  .03  .00  -.58   .74  -.95  -.1   .22   .16 |-1227.5  -34.2   12.6
jpl | -.01 -.02  .02  1.05   .41  -.05  -.4   .13   .13 |-1227.5  -27.7   14.7
ngs |  .09  .06 -.06   .36  1.06   .93  -.1   .97   .48 |     .0     .0     .0
sio |  .03 -.04 -.06   .47   .79   .58  1.5   .20   .18 |     .0     .0     .0

Table 2.0746.5   GPS week: 0746   Day: 5   MJD: 49471.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod | -.02  .01  .02   .70  -.08   .13   .0   .16   .14 |   -4.4    6.4   76.3
emr |  .01  .01  .00   .15   .45   .28  -.2   .21   .21 |-1260.4  -11.2    3.5
esa |  .03  .01  .02   .80   .61  -.26   .1   .22   .18 |   22.6  -59.1   23.2
gfz | -.04  .02  .00  -.20  1.01  -.39  -.2   .13   .12 |-1251.5  -24.4   12.9
jpl |  .01 -.02  .04   .89   .31   .07   .0   .11   .11 |-1253.7   -9.8   14.2
ngs |  .08 -.02 -.11  1.00   .87   .44   .2   .44   .35 |     .0     .0     .0
sio |  .01 -.02 -.09   .39   .32   .37  1.2   .22   .19 |     .0     .0     .0

Table 2.0746.6   GPS week: 0746   Day: 6   MJD: 49472.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod | -.02  .03  .01   .55  -.39   .52  -.1   .15   .14 |   -1.6   -3.7   76.6
emr |  .01  .01  .03   .17   .61   .26  -.2   .16   .16 |-1278.8  -21.8    3.5
esa |  .01  .00  .00   .98   .22   .04   .1   .23   .22 |  -11.8  -16.4    5.1
gfz | -.04  .00  .00  -.08   .94  -.70  -.7   .15   .14 |-1272.2  -32.8   11.4
jpl |  .00 -.03  .03   .99  -.13  -.07   .0   .10   .10 |-1278.7  -21.0   11.2
ngs | -.04  .05 -.14   .70  1.69   .00  1.4   .65   .43 |     .0     .0     .0
sio |  .01  .00 -.09   .79   .91   .25  1.0   .20   .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 3.0746.0   GPS week: 0746   Day: 0   MJD: 49466.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  16  18  30  29   8  58  19    9 |   17  18  18  34  19  57  28   13
   2  |   8  14  13  14  11  31  16    5 |   10  18  16  11  19  32  28   10
   4  |   9  21  21   6   7  28  36    7 |   15  37  25  16  19  24  29   19
   5  |   8  13  21   5   7  33  24    5 |    9  21  11  18  14  23  27   11
   6E |  15  19  23  15  24  24  25    8 |   15  15  22  22  29  29  34   15
   7E |  21  18  15  17  11  42  21    7 |   15  35  30  18  29  54  42   23
   9  |   6  11  19  13  19  41  16    6 |   13  16  18  15  16  23  24   13
  12  |  13  12  19   9   9  23  15    5 |    9  17  12  15  13  26  27    9
  14  |  19  17  37   9   5  27  25    7 |   15  10  14  12  14  22  18   11
  15  |   8  11  21  11  10  20  12    5 |   10  18  14  17  12  32  28   10
  16  |  26  27  20  13  13  37  33    9 |   15  33  15  15  11  41  49   11
  17  |  14   7  26   7  11  19  20    5 |   13  13  13  19  14  25  26   10
  18  |  22  15  23  17  12  48  23    8 |   21  17  21  23  27  28  32   20
  19  |  19  10  23  14   9  62  18    7 |   13  13  13  14  18  25  22   11
  20  |  17  21  12  11  10  36  16    6 |    8  19  10  16  15  25  25    8
  21  |  13  17  14  10   8  13  20    5 |   10  24  16  13  11  73  27   10
  22  |  15  14  33  20  10  93  33   10 |   13  14  17  29  14  73  36   13
  23  |  15   9  16   7   5  20  14    4 |   12  19  10  18  14  21  31   11
  24  |  11   8  38  10   8  48  33    8 |   11  14  29  17  19  38  35   15
  25  |  20  20  21   8   9  42  21    7 |   15  15  15  18  19  47  26   12
  26  |   9  20  15  18  13  98  18    9 |   23  17  22  22  17  79  26   15
  27  |  19  14  14  22   8  52  16    7 |   11  13  14  15  18  47  21   12
  28E |  17  13  34  19  15  47  15    8 |   12  25  30  23  29  76  32   20
  29  |  19  18  29   6  13  70  17    8 |   15  17  15  17  21  59  29   13
  31E |  17  19  20  17   6  45  15    7 |   13  22  28  28  22  37  30   20
------|----------------------------------|----------------------------------
 RMS  |  16  16  24  14  11  47  22      |   13  20  18  19  18  44  29   13
 WRMS |  16  16  23  12  11  45  21      |

Table 3.0746.1   GPS week: 0746   Day: 1   MJD: 49467.0

               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  35  23  15  93  22    9 |   15  17  26  25  15  74  23   12
   2  |  17  12  12  10  21 120  27    9 |    9  19  14  15  19  96  27   10
   4  |  10  12  12   7  10  43  20    5 |   10  23  15  10  13  65  22   12
   5  |  10  12  13   6   8  58  22    5 |   13  13  16  16  12  50  14    9
   6E |  27  24  23  27  17  62  42   11 |   30  18  27  29  31  47  23   16
   7E |  18  16  25  18  16  92  24    9 |   12  24  15  13  24  65  27   15
   9  |  10  10  17  11  14  58  14    5 |   13  15  25  15  14  65  18   14
  12  |  16  11  13   7   9  38  19    5 |   11  10  18  13   9  36  18    6
  14  |  10  23  18   8   7  50  35    7 |   15  23  17  14  14  27  12   10
  15  |  11  15  21  20   6 138  26    9 |   11  12  17  23  11 112  23    8
  16  |  13  23  15  12   9  90  48    9 |   12  26  13  16   9  68  50    7
  17  |  17  12  21  19   8  56  23    7 |   17  12  28  18  13  39  19   13
  18  |  11  20  11  21  10  75  18    7 |   19  16  16  18  18  70  19   13
  19  |  13  12  14  13   8  81  14    6 |   14  11  16  14  17  79  16   12
  20  |  16  15   7  11  10  41  22    6 |    9  12   8  16  11  35  26    7
  21  |  11  14  16  13   7 313  17    5 |   11  16  21  17  10 257  17    9
  22  |  11  17  27  24  13 125  29   10 |   17  13  33  27  20 113  17   14
  23  |  15  11  15  13  12  85  11    6 |    9  14  14  20  14  71  15    7
  24  |  11  18   5   7  11  57  36    7 |   12  18  12  11  14  53  24   11
  25  |   9   8  23  17  10 124  18    8 |   12  14  19  20  17 103  17   10
  26  |  17  16  16  23   8  63  19    7 |   21  23  20  23  15  66  21   14
  27  |  19  13  17  23  11 122  15    8 |   15  15  16  15  15 116  14   11
  28E |  20  12  26  33   9 241  15    9 |   14  22  20  43  23 192  25   22
  29  |   6  14  30  17  11  66  19    7 |   16  18  14  18  18  59  21   13
  31E |  17  19  22  13   9 111  24    8 |   15  28  29  21  19 106  22   19
------|----------------------------------|----------------------------------
 RMS  |  14  15  19  17  11 114  25      |   14  17  19  19  16  96  22   12
 WRMS |  13  15  18  15  11  82  23      |

Table 3.0746.2   GPS week: 0746   Day: 2   MJD: 49468.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  16  18  20  29   9  53  17    8 |   15  18  25  34  15  72  26   13
   2  |   7  13  23  28  12  60  18    8 |    8  21  15  18  18  79  22   10
   4  |   7  22  10   9  12 163  19    6 |   10  24  18  16  16 135  18   12
   5  |   6  10  11  13  12  40  28    6 |   15  15  15  25  20  36  20   14
   6E |  15  17  16  29  16  60  21    9 |   29  20  28  49  30  36  27   24
   7E |  21  10  17  11  16  38  15    7 |    7  25  32  15  28  40  27   18
   9  |  13   9  18  11  16  50  15    6 |   16  13  22  16  15  48  21   12
  12  |  12  29  22   9  11  41  14    7 |   13  27  11  13   9  32  22    8
  14  |  19  18  24  16   8  22  28    8 |    9  14  11  17  14  19  15   11
  15  |  11  16  16  16   7  42  19    6 |   15  13  20  10  13  59  28   13
  16  |  13  20  10  16   9  55  22    7 |   14  20  13  18  10  43  30    8
  17  |  12  17   8  11  15  37  24    6 |    9  17  17  16  19  45  24   11
  18  |  12  19  20  11  15  44  17    7 |   15  15  23  17  21  41  25   14
  19  |  15  23  15  10   9  39  17    6 |   13  23  11  12  15  35  19   10
  20  |  13  13  14  16  13  26  14    6 |    8  15  14  21  15  26  19    7
  21  |  11  16  15  10   8  35  20    6 |   10  21  14  16  11  59  20   10
  22  |   9  13  18  17  15  84  21    8 |   14  15  27  22  14  94  26   12
  23  |  13  21  18  11   8  41  16    6 |    9  24  13  19  13  56  20    9
  24  |  11  33  11   9  11  29  20    7 |   10  25  16  16  17  34  26   13
  25  |  14  18  37  22  11  73  20    9 |   14  20  17  31  13  72  24   12
  26  |  20  26   7  20  13  42  17    8 |   22  27  18  23  14  34  27   15
  27  |  13  14  18  19  10  24  11    6 |   13  21  18  14  17  29  18   11
  28E |  19  12  37  15   9  67   7    8 |   12  25  33  31  22  45  26   21
  29  |  21  30  24   9  12  48  23    8 |   15  35  22  18  22  35  31   14
  31E |  17  31  29  19  11  62   7    9 |   16  33  37  27  23  53  31   21
------|----------------------------------|----------------------------------
 RMS  |  14  20  20  17  12  58  19      |   14  21  20  22  17  55  24   13
 WRMS |  13  20  19  15  12  56  22      |

Table 3.0746.3   GPS week: 0746   Day: 3   MJD: 49469.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  14  18  36   9   8  35  24    7 |   16  20  27  22  14  29  33   13
   2  |  12  13  17  24  16  46  17    7 |    8  16  21  16  17  45  25    9
   4  |  18  25  24  13   7  35  14    7 |   12  23  25  16  15  24  26   11
   5  |   8  13  22  10   9  24  21    5 |   10  15  13  21  17  25  20   13
   6E |  29  15  18  41  34  37  29   12 |   28  21  28  28  38  31  35   22
   7E |  18   7  19  11  14  49  14    6 |    8  22  31  20  26  46  36   20
   9  |  10   7  18  16  18  30  16    6 |   16  15  20  19  17  42  22   13
  12  |  11  16  27   8   6  20  16    6 |   10  17  18  14   9  25  20    8
  14  | --- ---   3 --- --- >>> ---    0 |  --- ---   0 --- ---   0 ---  ---
  15  |  11  16  25  22   4  60  27    8 |   22  19  33  20  15  36  33   13
  16  |  17  39  16  14  10 114  20   11 |   14  36  15  19  11 132  36   12
  17  |  13  15  14  12   8  42  13    5 |   25  17  27  25  18  35  20   17
  18  |  12  17  22  10  11  29  24    6 |   17  19  23  17  23  27  24   15
  19  |  15  14  30  11  10  68  12    7 |   15  15  21  12  15  68  21   10
  20  |  11  13  15   7  12  22  15    5 |    8  11  13  16  14  27  23    7
  21  |  18  16  13   8   6  68  15    6 |   14  17  20  17  12  97  21   11
  22  |  19   9  24  18   9 124  15   10 |   12  17  24  26  15 107  30   13
  23  |  14  14  12   9  10  23  20    5 |   12  17  15  19  16  17  23   11
  24  |  11  24   7   9   8  24  29    6 |   12  24  16  16  16  22  30   13
  25  |  18  11  26   7   9  63  23    7 |   16  19  16  26  18  63  27   15
  26  |  12  23  20  17  10  79  16    8 |   20  23  22  21  17  66  30   15
  27  |  19  19  13  21  12  50   9    7 |   13  23  15  15  13  45  22   12
  28E |  13  12  12  10   6  52  15    5 |   10  25  28  25  20  69  26   18
  29  |   9   4  33  10   9  28  17    6 |   17  13  19  14  20  23  25   13
  31E |  11  10  19  12   9  85  18    7 |   15  25  29  22  18  77  24   16
------|----------------------------------|----------------------------------
 RMS  |  15  17  21  16  12 >>>  19      |   15  20  22  19  18  57  26   13
 WRMS |  14  16  22  15  12 >>>  17      |

Table 3.0746.4   GPS week: 0746   Day: 4   MJD: 49470.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  13  15  20  25  15 113  24   10 |   17  29  42  24  17 105  31   19
   2  |   8  11  21  18  16  47  20    7 |   12  19  17  13  20  32  18   11
   4  |   7  21   9  17   5  79  13    7 |   13  21  16  15  14  88  22   14
   5  |   6  17  20   9  12  44  21    6 |    8  19  17  18  18  32  19   11
   6E |  29  23  30  65  27  36  31   14 |   36  23  46  25  44  30  26   26
   7E |  24  11  14  13  21  36  15    7 |   12  23  22  20  27  40  32   20
   9  |  11   9  16  13  13  30  16    5 |   18  17  21  17  17  30  18   15
  12  |   7  10  19   9   7  19  17    4 |    9  11  15  14  11  20  18    8
  14  |  13  12  28  24 ---  48 ---   10 |    6  16   8  13 ---  26 ---    7
  15  |  17  19  26  18  11  54  16    8 |   14  21  23  17  16  23  23   11
  16  |  15  22  13  11   6  28  27    7 |   12  32  19  16  12  24  37   13
  17  |   8   7  23  15  11  42  15    6 |   11  11  22  22  13  60  14   11
  18  |  15  19  16  18  10  20  20    6 |   18  21  15  20  19  28  20   13
  19  |  18  10  20  18   6  53  12    6 |   12  13  23  18  13  51  17   10
  20  |   6   9  12  15  13  34  17    5 |    9  13  18  21  15  26  23    8
  21  |  14  13  17  11  13 379  15    6 |    9  12  10  20  17 329  14    9
  22  |   9  13  16  18   6  67  25    7 |   14  25  16  20  12  69  32   13
  23  |  14  11  24   8   7  72  21    7 |   10  16  21  14  13  71  21   10
  24  |   9  17  17  11   6  23  27    6 |   15  25  20  15  13  18  30   15
  25  |  11  18  18  26  15  79  11    8 |   18  25  23  35  21  72  15   15
  26  |  17  14  17  11  10  65  23    7 |   22  22  20  19  16  62  23   15
  27  |  12  19  27  17   8  38  12    7 |   14  21  24  12  11  32  15   10
  28E |  11  16  33  29  10 126  12   11 |   12  21  36  34  20 119  18   17
  29  |   9   8  14   9   8  22  12    4 |   14  14  17  12  15  21  22   11
  31E |  12  19  37  16   8 115  24   11 |   16  26  43  30  18  95  19   18
------|----------------------------------|----------------------------------
 RMS  |  14  15  21  21  12  97  19      |   15  20  24  20  18  86  22   13
 WRMS |  11  15  20  15  12  47  18      |

Table 3.0746.5   GPS week: 0746   Day: 5   MJD: 49471.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  14  12  29  28  11  47  36    9 |   16  24  29  35  20  59  28   18
   2  |  16  19  39   8  12  28  26    8 |   10  18  22  11  15  31  20    9
   4  |  12  13  13  11   9  53  11    6 |   11  17  12  23  14  44  18   11
   5  |  11  14  19   9  10  38  16    6 |    9  15  17  18  15  31  18   12
   6E |  25  41  23  26  23  32  37   11 |   36  22  21  36  37  35  24   22
   7E |  13  23  10  11  13  31  34    7 |   13  21  18  12  27  39  32   18
   9  |  11  11  17  13  20  60  17    7 |   18  18  18  18  20  56  18   16
  12  |  18  14  12  13   8  43  17    6 |   11  12  14  15  11  24  18    9
  14  |   6  16  21   7   6  42  23    6 |    8  14  11  13  15  33  16    9
  15  |  14  17  52  18   7  71  16   10 |   10  16  56  14  17  52  21   14
  16  |  15  17   8   6  11  50  17    6 |   15  21  19  15  14  43  19   10
  17  |  20   9  10  11   9  30  15    5 |   21  14  16  17  15  24  12   11
  18  |   7  24  12   5  10  30  21    5 |   15  16  17  16  20  25  15   13
  19  |  23  24  17  12   8  40  10    7 |   15  20  13  19  16  27  13   12
  20  |   9  15  10  13   6  18  13    4 |    9  10  13  17  12  22   9    8
  21  |  11  20  17  12   4  22  20    5 |   12  21  16  21  12  50  11   10
  22  |  14  20  26   7   9  80  10    8 |    8  32  19  18  14  72  21   15
  23  |  15  12   8   7   8  19  17    4 |   10  13   7  17  18  19  20   10
  24  |  13  16  11   7   7  24  28    5 |   12  24  13  18  12  38  23   13
  25  |  13  31  22  20   9  25  31    8 |   14  26  20  27  18  23  26   15
  26  |  14  22  17  11  14  34  29    7 |   21  22  15  17  21  52  23   15
  27  |  14  18  18  13   8  53   9    6 |   14  17  17  18  14  41  13   12
  28E |  26  19  26   8   9  57  12    7 |   12  38  43  29  28  56  21   26
  29  |   9  23  13   7   7  18  20    5 |   14  18  19  12  17  21  19   12
  31E |  15  33  28   9   8  70  11    8 |   15  30  33  26  19  38  18   18
------|----------------------------------|----------------------------------
 RMS  |  15  21  22  13  11  44  22      |   15  20  22  20  18  40  19   14
 WRMS |  14  21  17  11  11  35  18      |

Table 3.0746.6   GPS week: 0746   Day: 6   MJD: 49472.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  19  12  37  19   8 209  23    8 |   20  19  20  27  14 173  30   13
   2  |  21  17  20  25   8  28  15    7 |   14  19  19  14  14  27  23   11
   4  |   8  14  16   5  11  51  25    6 |   11  20  15  12  12  37  29   12
   5  |  14  16  23   8   8  32  21    6 |   10  15  21  16  15  24  24   11
   6E |  14  25  16  12  19  42  32    8 |   36  26  32  26  39  38  41   26
   7E |  16  12  27  21   9  67  28    8 |   12  25  21  21  23  38  33   19
   9  |  13  14   8  15  14  52  22    7 |   19  19  15  15  16  44  24   14
  12  |  16  22  17   6   7  37  18    6 |   14  16  14  11   9  23  24    6
  14  |   8  16  19  18   6  38  16    6 |   10   9  11  20  17  18  16   10
  15  |  17  22  35  22  10  59  19    9 |   13  27  18  17  14  44  28   11
  16  |  12  10  27   9   8  39  18    6 |   17  14  15  15  13  40  30    9
  17  |  15   7  21  13  10  80  21    7 |   18  14  17  20  15  62  25   13
  18  |   9  19  13   8   8  42  20    6 |   18  14  19  14  18  32  29   12
  19  |  11  10  22  15   7  57  13    6 |   16  13  16  16  13  47  26   11
  20  |  14   9  10   8   7  30  12    4 |   10  12  17  18  17  26  24   10
  21  |  12  11  12  12   5  31  14    4 |   17  17  15  11  11  38  28   10
  22  |  15  13  21  14   9  56  16    6 |   12  19  20  21  12  37  29   11
  23  |  13  16   7  10   5  38  15    5 |   16  17  14  13  15  31  29   13
  24  |  12  15  31   6   7  60  26    7 |   12  17  16  12  12  26  31   11
  25  |  18  13  14  16   9  46  16    6 |   16  15  12  28  15  38  24   14
  26  |  17  18  24  14   9  92  22    9 |   26  17  15  23  17  66  35   14
  27  |  15  15  18  19   5  39  10    6 |   17  12  18  14  13  38  25   11
  28E |  16  13  24  14  12  47  16    7 |   16  28  36  29  21  36  29   22
  29  |  10  12  19   7   9  35  15    5 |   16  15  23  11  17  29  36   12
  31E |  13  13  35  14  14  51  17    7 |   17  21  34  28  19  49  30   17
------|----------------------------------|----------------------------------
 RMS  |  14  15  22  14   9  64  19      |   17  18  19  18  16  51  28   13
 WRMS |  14  15  22  14   9  42  18      |



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