[IGSREPORT-16217] Wk 1476 IGLOS Final Orbits

Jim Ray IGS.ACC at noaa.gov
Mon May 12 05:53:04 PDT 2008


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IGS Electronic Report   12 May 05:53:12 PDT 2008      Message Number 16217
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Author:   AC Coordinator / NOAA NGS                                               
sum-file Version 2.0
                                                                               
IGLOS Orbit Combination - Week 1476   (Apr 20, 2008 - Apr 26, 2008) 
                                                                               
Contact: J. Ray       (jim.ray at noaa.gov),                  
         J. Griffiths (jake.griffiths at noaa.gov)                            
                                                                               
                                                                               
COMBINATION STRATEGY:                                                            
---------------------                                                            
                                                                               
Ephemeris are combined as weighted averages computed over all centres.          
Each centre and satellite is given a position weight computed from the centers  
absolute deviation to the unweighted average orbit after removing small         
differences in the reference frames. These weights were applied in a            
second iteration to estimate Helmert transformation parameters for each         
center. Finally the transformation parameters with respect to the combined      
solution and the RMS of the fit are reported in Tables 2.1476.
For long arc computations the Earth Orientation Parameters (EOPs) are fixed to
the values of the final IGS (GPS) combination.                                                    
                                                                               
                                                                               
SOFTWARE:                                                                       
---------                                                                       
                                                                               
The weighted average software used was originally developed by T. Springer
and G. Beutler in 1993. The GPS long arc orbit analysis software used here for
individual centre ephemeris evaluation was developed by Beutler et al. at the
Astronomical Institute of the University of Bern (AIUB). For more details on
the orbit combination and complete references for both software see:

  Beutler G., Kouba J. and T. Springer, 1995, Combining the orbits of the IGS 
  Analysis Centers, Bulletin Geodesique, 69, pp 200-222.

  Kouba J., Mireault Y. and F. Lahaye, 1995, 1994 IGS Orbit/Clock Combination
  and Evaluation, Appendix I of the Analysis Coordinator Report, International
  GPS Service for Geodynamics (IGS) 1994 Annual Report, pp. 70-94.

  Kouba J. and Y. Mireault, 1996, IGS Analysis Coordinator Report, 
  International GPS Service for Geodynamics (IGS) 1995 Annual Report, 
  pp. 45-76.

  Kouba J. and Y. Mireault, 1997, Analysis Coordinator Report, 
  International GPS Service for Geodynamics (IGS) 1996 Annual Report, 
  pp. 55-100.
                                                                               
  Weber R., 2000, IGS Technical Report 1999                                    
                                                                               
                                                                               
PRODUCTS GENERATED:                                                             
-------------------                                                             
                                                                               
The combined IGL-ephemerides are written to daily files in the SP3-format.     
The satellite accuracy codes in the header are based on the weighted rms.       
for each satellite. Note, that the result files contain all satellites          
that were analysed by at least one center. We refer to the 'REMARKS' section    
below, in case a satellite or center was excluded from the combination.         
                                                                               
The following naming convention is used for the result files:                   
                                                                               
 igl1476[0-6].sp3  IGLOS-PP Glonass ephemerides files for days 0-6
                   of GPS Week 1476 in the SP3 format.
 igl14767.sum      Combination Report for GPS Week 1476.


    
    
REMARKS concerning the IGL Orbit Combination:                                  
---------------------------------------------

 1. Broadcast (brd) orbits and clocks are included in the combination for
    statistics only.

 2. Having only a few satellites the mcc orbits are included in the combination 
    for statistics only.

 3. Starting on 01-May-2005 (GPS Week 1321; MJD 53491)[IGSMAIL-5151] 
    BKG, ESA, and CODE will start to refer their GLONASS orbit products 
    to the following satellite antenna offset (SAO) values:
    
      X/Y/Z =  0.000/0.000/0.000 meter for GLONASS and
      X/Y/Z = -0.545/0.000/0.000 meter for GLONASS-M SVs.
    

 4. The satellite clock values in the combined orbit files are taken from the
    broadcast files. The following gps/glonass time offsets derived from the
    bkg summary files were added to the broadcast clocks.
    
               Day | applied clock offset
               ----+---------------------
                0  |    995.0 ns
                1  |    999.7 ns
                2  |   1016.0 ns
                3  |   1053.2 ns
                4  |   1044.2 ns
                5  |   1007.0 ns
                6  |   1018.8 ns

 5. The following orbit solutions were excluded from the combination
    because they were biasing the weighted average (generally indicated
    by long arc RMS).
    
               Day | Centre | PRN list
               ----+--------+---------------
                3  |  ESX   | R19
                5  |  ESX   | R19

    
         
ORBIT COMBINATION AND EVALUATION STATISTICS:                                    
--------------------------------------------                                    
      
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 (Tables 1.1476, 1a.1476).
        
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 2.1476.0-6)                                                                                
    
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 3.1476.0-6). 
        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.
                                                                               
   
      
      
Table 1: Week 1476 summary.                      (Apr 20, 2008 - Apr 26, 2008)

Table 1.1476.a     GPS week : 1476   MJD: 54576.0-54582.0

         Mean and standard deviations of transformation parameters to the 
         combined IGL orbit.
         WRMS - orbit RMS weighted by the SP3 header accuracy codes.
         STA  - Mean number of stations in the daily solutions.
   
CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
bkg   66|    1     0    -9     5    30    -7  -.09   41   31 |       0     124   2763   2885
        |    1     1     8    40    27   131   .04           |       0     239
cod  177|   -3     0    -1     3     5    25  -.05   27   23 |     ---     ---    ---    ---
        |    1     2     5    24    12    53   .03           |     ---     ---
esx  116|    1     2    11   -20   -86  -121   .34   77   56 |  -22279    2894   9179  30341
        |    5     4     9    61    64   103   .08           |   26415   10109
iac  n/a|    3     0     5   -18    32     3   .01   37   37 | 1015373   -1782   9308  22921
        |    1     2    20    19    30    62   .07           |   24459    8378
mcc  n/a|    2     8    14   -43    18   490   .23  351  351 |     ---     ---    ---    ---
        |   13    11    29   171   189   882   .23           |     ---     ---


Table 1.1476.b     GPS week : 1476   MJD: 54576.0-54582.0   

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

              Day of GPS week
 PRN  |    0    1    2    3    4    5    6 |  Remarks
------+------------------------------------+------------------------------------------
 R01  |   31   20   18   26   20   17   23 |
 R04  |   11   21   21   24   11   16   20 |
 R06  |   18   15   49   24   20   29   28 |
 R07  |   26   22   25   23   20   28   28 |
 R08  |   18   17   18   21   18   27   38 |
 R09  |   14   16   19   17   32   21   70 |
 R10  |   19   12   15   12   26   14   12 |
 R11  |   29   21   30   28   17   15   29 |
 R13  |   32   23   17   26   26   17   57 |
 R14  |   14   16   15   15   11   14   16 |
 R15  |   20   18   19   21   23   20   17 |
 R17  |   21   28   18   16   17   17   15 |
 R19  |   16   17   23   18   19   25   17 |
 R20  |   11   14   24   19   18   24   20 |
 R23  |   21   17   18   17   21   30   27 |
 R24  |   14   22   18   16   17   26   14 |


Table 1.1476.c     GPS week : 1476   MJD: 54576.0-54582.0   

         Daily transformation of broadcast orbits (brd) to the combined IGL orbit.
         Mean and standard deviations of the transformation parameters for the
         whole gpsweek.

CEN WEEK DAY |   DX    DY    DZ     RX      RY      RZ   SCL   RMS   WRMS |    TOFT   TDRFT
             |  [mm]  [mm]  [mm]  [uas]   [uas]   [uas] [ppb]  [mm]  [mm] |    [ps]  [ps/d]
-------------+------------------------------------------------------------+----------------
brd 1476 0   |   98   267   420   -2450    1515  -25490  94.5  6001  6001 |  994984       0
brd 1476 1   |   29  -239   233   -2005    1078  -21230 100.4 >>>>> >>>>> |  999738       0
brd 1476 2   |  -99    84   218    -618     482  -19110  97.3  7431  7431 | 1016037       0
brd 1476 3   |   79   -87   274   -3906    5266  -18260  95.4  8419  8419 | 1053221       0
brd 1476 4   |  -84   356   406   -1243    5766  -27820 106.9  9868  9868 | 1044150       0
brd 1476 5   |  363    74   559   -1443   -7210  -20140 103.4  9124  9124 | 1007004       0
brd 1476 6   |   -9    52   664     130   -2800  -13450 100.7  8000  8000 | 1018756       0
-------------+------------------------------------------------------------+----------------
brd 1476 mean|   53    72   396   -1647     585  -20785  99.8 >>>>> >>>>> | 1019127       0
brd 1476 sdev|  156   201   169    1310    4510    4747   4.4 >>>>> >>>>> |   22000       0



Table 2: Daily transformation of each centre to the combined IGL 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.
   
Table 2.1476.0  GPS week: 1476   Day: 0   MJD: 54576                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
bkg   66|    3     0    -8     8    51   106  -.12   28   28 |       0    -208   2546   2616
cod  177|   -2     0     1   -10   -13    31  -.03   21   18 |     ---     ---    ---    ---
esx  116|   -5     9    14    -4   -87  -201   .34   79   69 |  -48556  -14622  13111  39259
iac  n/a|    5    -2     4   -26    44   -87   .14   34   34 |  992528  -11856  13257  32240
mcc  n/a|    5    -5   -46   268  -283 -1292   .33  406  406 |     ---     ---    ---    ---

Table 2.1476.1  GPS week: 1476   Day: 1   MJD: 54577                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
bkg   66|    1     0   -16    21    16   -58  -.07   24   23 |       0     190   3937   4228
cod  177|   -2     1     0   -31    12    17  -.04   23   23 |     ---     ---    ---    ---
esx  116|   -6     0    18   -20  -191    40   .29   60   53 |  -58172   11079  12821  42591
iac  n/a|    0     1    15    -2    36    74   .08   37   37 |  985412   12737  13335  35438
mcc  n/a|   -4    -3    36    40  -112    35   .22  607  607 |     ---     ---    ---    ---

Table 2.1476.2  GPS week: 1476   Day: 2   MJD: 54578                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
bkg   66|    2     0   -15    -9    58    74  -.04   35   27 |       0     226   2728   2793
cod  177|   -4    -3    -7    33     0   -66  -.05   36   25 |     ---     ---    ---    ---
esx  116|    0     0    16   -30  -138   -71   .28   63   50 |  -38328   -3325  10118  29988
iac  n/a|    4     0    16     3    32    -9  -.05   32   32 | 1015659   -9692   9793  21774
mcc  n/a|  -11     5    21  -191   129   602   .15  431  431 |     ---     ---    ---    ---

Table 2.1476.3  GPS week: 1476   Day: 3   MJD: 54579                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
bkg   66|    0     2    -5   -33    30    37  -.06   28   27 |       0     180   2469   2586
cod  177|   -7    -4     0    31    -8     6  -.01   27   27 |     ---     ---    ---    ---
esx  116|    6    -2    -9   -68   -34  -276   .37  101   60 |     656   14462   6716  23699
iac  n/a|    3     0    14    -8    12     4  -.06   33   33 | 1049895    4497   7095  16021
mcc  n/a|   -4     9    24   -57   -23   919   .62  290  290 |     ---     ---    ---    ---

Table 2.1476.4  GPS week: 1476   Day: 4   MJD: 54580                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
bkg   66|    2     2    -7   -28   -22   111  -.14   35   34 |       0     429   2741   2835
cod  177|   -4    -1   -10     2    14    10  -.10   22   19 |     ---     ---    ---    ---
esx  116|    3     5    11    79   -12  -171   .33   51   44 |   12403    4307   7766  20675
iac  n/a|    3    -3    20    -8   -20    10  -.03   37   37 | 1045314   -1837   7779  16031
mcc  n/a|    5    29    15    13   -24  1121   .36  237  237 |     ---     ---    ---    ---

Table 2.1476.5  GPS week: 1476   Day: 5   MJD: 54581                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
bkg   66|    0     0     5    -3    28   -70  -.14   34   28 |       0    -202   2758   2846
cod  177|   -2     0     4     9    21    77  -.04   23   21 |     ---     ---    ---    ---
esx  116|    7    -4    16    15   -34   -87   .50  132   68 |  -14154   -1369   6876  21868
iac  n/a|    2     3   -39   -44    75    83   .00   49   49 | 1007112   -4415   6651  11414
mcc  n/a|   -1    11     9  -135   290  1275  -.03  285  285 |     ---     ---    ---    ---

Table 2.1476.6  GPS week: 1476   Day: 6   MJD: 54582                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
bkg   66|    1    -1   -20    86    49  -254  -.05  100   48 |       0     256   2163   2294
cod  177|   -2     3    -1   -13    11   100  -.10   36   28 |     ---     ---    ---    ---
esx  116|    7     5    13  -114  -105   -85   .29   55   48 |   -9808    9727   6851  34307
iac  n/a|    1     0     6   -40    49   -55  -.01   37   37 | 1011695   -1914   7249  27531
mcc  n/a|   30    12    40  -239   151   773  -.02  199  199 |     ---     ---    ---    ---

       
       
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 IGL column gives resulting satellite accuracy measures found in
         SP3 header. The last IGL column gives the RMS fit of the IGL orbit
         when processed through the 7-day arc evaluation.

         "E"    stands for eclipsing satellites (earth).
         "M"    stands for eclipsing satellites (moon).
         "X"    stands for excluded from the statistics but included in IGL orbit.
         "T"    stands for Total long arc orbit RMS for all satellites.
         "NE"   stands for long arc orbit RMS for Non-Eclipsing satellites only.
         "MEDI" stands for median of the centre's satellite RMS.
         "MD"
         Units: mm.

Table 3.1476.0  GPS week: 1476   Day: 0   MJD: 54576                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01  | 5528   45   17  138   39  ---   30 |    30   50   79   61  ---    39
 R04  | 2660   16   16   39   17  ---   11 |    26   31   63   28  ---    24
 R06  | 2249    9   17   82   29  ---   17 |   169  183  212  168  ---   175
 R07  | 3346   41   14   94   48  294   25 |    51   58   84   72  249    54
 R08  | 4961   19   25   64   34  ---   18 |    44   53   50   63  ---    48
 R09  |14978   17   18   50   23  ---   13 |    38   48   60   44  ---    40
 R10  | 1516   40   17   39   39  ---   19 |    23   37   48   46  ---    32
 R11  | 5539   15   13  142   47  ---   28 |    47   44  115   49  ---    46
 R13  | 9134   46   30  118   56  ---   31 |    54   31  123   46  ---    40
 R14  | 1871   16   22   26   29  ---   13 |    23   23   34   32  ---    20
 R15  | 5817   24   23   91   18   97   19 |    36   44   99   56   86    43
 R17  | 5395   23   29   70   42  ---   21 |    32   48   92   51  ---    42
 R19  | 4328   31   19   45   23  ---   15 |    55   48   83   59  ---    53
 R20  | 1864   16   14   38   18  ---   11 |    46   39   58   59  ---    45
 R23  | 7492   32   32   62   32  ---   20 |    76   91  105   91  ---    82
 R24  | 3486   23   17   39   24  632   13 |   128  147  186  150  578   145
------+------------------------------------+--------------------------------
 RMS  | 6001   28   21   79   34  406      |T   54   60   93   67  304    58
 WRMS | 6001   28   18   69   34  406      |NE  54   60   93   67  304    58
 MEDI | 4328   23   17   62   29  294      |MD  44   48   83   56  249    43

Table 3.1476.1  GPS week: 1476   Day: 1   MJD: 54577                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01  |>>>>>   39   29   36   30  ---   19 |    22   73   82   50  ---    47
 R04  |>>>>>   14   17   90   35  ---   21 |    18   28   66   34  ---    19
 R06  |>>>>>   20   21   45   27  ---   15 |   174  196  183  164  ---   178
 R07  | 4267   25   22   70   49  125   21 |    36   39   77   50  113    33
 R08  |>>>>>   22   23   64   17  ---   17 |    43   39   57   29  ---    28
 R09  |>>>>>   16   15   50   41  ---   16 |    34   42   81   51  ---    38
 R10  |>>>>>   16   10   43   24  ---   12 |    21   30   60   34  ---    26
 R11  |>>>>>   30   31   57   37  ---   20 |    33   36   86   50  ---    31
 R13  |>>>>>   20   14   96   38  ---   22 |    36   27  125   36  ---    35
 R14  |>>>>>   17   18   36   42  ---   15 |    16   31   42   29  ---    21
 R15  |>>>>>   15   25   53   41   58   18 |    46   55   51   54   36    45
 R17  |>>>>>   26   34   86   66  ---   28 |    25   31  114   51  ---    31
 R19  |>>>>>   31   29   29   23  ---   16 |    48   37   75   48  ---    40
 R20  |>>>>>   17   19   41   25  ---   13 |    41   39   66   54  ---    43
 R23  |>>>>>   21   24   42   39  ---   17 |    53   59   81   62  ---    55
 R24  |>>>>>   37   23   73   25 1042   21 |    64  103  146  104  624    92
------+------------------------------------+--------------------------------
 RMS  |>>>>>   24   23   60   37  607      |T   44   54   87   56  257    47
 WRMS |>>>>>   23   23   53   37  607      |NE  44   54   87   56  257    47
 MEDI |>>>>>   20   22   50   35  125      |MD  36   39   77   50  113    35

Table 3.1476.2  GPS week: 1476   Day: 2   MJD: 54578                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01  | 9748   28   29   42   29  ---   18 |    34   59   83   46  ---    48
 R04  | 2711   29   40   54   26  ---   21 |    20   53   48   34  ---    23
 R06  | 3961   98   83  111   45  ---   48 |   189  222  239  190  ---   193
 R07  | 7301   28   27   83   40   63   24 |    33   30   87   41   99    23
 R08  |11633   22   14   62   28  ---   17 |    24   33   71   36  ---    29
 R09  |12543   17   31   65   23  ---   19 |    28   35   71   31  ---    27
 R10  | 3602   15   23   34   29  ---   14 |    46   36   68   54  ---    44
 R11  | 7221   49   22  109   26  ---   29 |    34   38  148   45  ---    49
 R13  | 9970   21   18   42   34  ---   16 |    42   30   48   38  ---    27
 R14  | 4906   25   23   35   24  ---   15 |    27   17   51   41  ---    23
 R15  | 6183   18   33   55   32   66   19 |    26   30   52   56   51    35
 R17  |11511   23   24   56   30  ---   18 |    54   44  102   83  ---    60
 R19  | 3027   22   50   50   34  ---   22 |    42   59  115   74  ---    57
 R20  | 3363   23   47   41   49  ---   24 |    36   61   57   22  ---    29
 R23  | 5508   30   27   41   27  ---   17 |    55   73   54   79  ---    62
 R24  | 3048   24   27   59   20  742   18 |   135  134  167  152  256   142
------+------------------------------------+--------------------------------
 RMS  | 7431   35   36   63   32  431      |T   51   59   91   63  135    54
 WRMS | 7431   27   25   50   32  431      |NE  51   59   91   63  135    54
 MEDI | 5508   23   27   54   29   66      |MD  34   38   71   45   99    35

Table 3.1476.3  GPS week: 1476   Day: 3   MJD: 54579                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01  |10884   18   25  113   35  ---   26 |    29   33   87   43  ---    29
 R04  | 9525   41   38   58   35  ---   23 |    17   55   55   44  ---    27
 R06  | 5158   43   40   36   40  ---   23 |   224  210  219  199  ---   210
 R07  |10852   31   39   74   21   75   22 |    29   43   87   41   85    31
 R08  |15231   18   16   90   30  ---   21 |    42   33   88   43  ---    33
 R09  | 5305   26   17   59   25  ---   17 |    29   37   66   41  ---    28
 R10  | 3574   14   16   38   20  ---   11 |    45   39   41   55  ---    39
 R11  | 9977   33   29  114   36  ---   28 |    40   67  103   55  ---    54
 R13  |10057   36   39   73   44  ---   25 |    49   55   72   63  ---    35
 R14  | 4497   19   19   55   21  ---   15 |    29   19   58   26  ---    19
 R15  | 8907   36   18   55   43   59   21 |    52   72   69   78   67    65
 R17  |11620   14   21   49   31  ---   15 |    46   52   40   67  ---    44
 R19  | 1847   16   25  304   34  ---   18 |    36   44  258   57  ---    41
 R20  | 1878   27   27   61   24  ---   18 |    28   50   74   47  ---    41
 R23  | 4872   26   24   26   39  ---   17 |    42   49   52   76  ---    46
 R24  | 6450   19   20   54   28  493   16 |    84   90  109   71  275    81
------+------------------------------------+--------------------------------
 RMS  | 8419   28   27  101   33  290      |T   51   59   92   62  142    51
 WRMS | 8419   27   27   60   33  290      |NE  51   59   92   62  142    51
 MEDI | 6450   26   24   58   31   75      |MD  40   49   72   55   85    39

Table 3.1476.4  GPS week: 1476   Day: 4   MJD: 54580                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01  | 8365   20   30   45   43  ---   20 |    51   41   68   48  ---    38
 R04  | 8712   23   12   28   15  ---   11 |    19   31   28   29  ---    23
 R06  | 6733   48   20   46   26  ---   19 |   195  183  176  202  ---   188
 R07  |13351   31   31   41   38   86   20 |    24   34   66   41   74    33
 R08  |22378   37   15   40   37  ---   18 |    32   25   50   44  ---    24
 R09  | 7730   55   24  108   29  ---   32 |    31   32   97   45  ---    29
 R10  | 3858   39   20   85   32  ---   25 |    30   39   92   48  ---    39
 R11  |10053   28   11   50   29  ---   16 |    44   58   90   51  ---    55
 R13  |16148   43   34   59   47  ---   25 |    39   47   57   35  ---    30
 R14  | 8296   21   10   27   23  ---   11 |    27   20   27   24  ---    17
 R15  | 7147   32   25   33   63   65   22 |    33   53   65   75  140    47
 R17  | 4468   28   16   43   31  ---   16 |    50   54   98   94  ---    66
 R19  | 6103   32   16   31   50  ---   18 |    60   62   76   76  ---    63
 R20  | 4454   27   11   54   30  ---   17 |    28   34   46   41  ---    23
 R23  | 5264   40   29   31   44  ---   20 |    71   81   76  113  ---    78
 R24  | 5168   33   25   26   32  397   16 |   121  141  154  135  277   135
------+------------------------------------+--------------------------------
 RMS  | 9868   35   22   51   37  237      |T   53   58   79   68  163    55
 WRMS | 9868   34   19   44   37  237      |NE  53   58   79   68  163    55
 MEDI | 7147   32   20   41   32   86      |MD  33   41   68   48  140    38

Table 3.1476.5  GPS week: 1476   Day: 5   MJD: 54581                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01  | 6564   17   18   51   35  ---   16 |    33   21   63   38  ---    24
 R04  | 8719   15   10   52   31  ---   15 |    17   23   48   45  ---    23
 R06  | 6441   42   33   87   49  ---   29 |   225  254  279  243  ---   247
 R07  |13316   58   39   56   39   88   27 |    75   46   63   60   80    47
 R08  |20300   29   25   90   48  ---   27 |    40   28  122   43  ---    39
 R09  | 8661   48   15   34   47  ---   20 |    76   33   65   55  ---    28
 R10  | 6590   18   12   33   39  ---   14 |    22   31   54   58  ---    31
 R11  | 4747   25   17   35   33  ---   15 |    36   42   59   54  ---    36
 R13  |10148   29    9   41   40  ---   16 |    66   33   57   53  ---    27
 R14  | 7287   21   21   31   29  ---   14 |    21   24   32   44  ---    16
 R15  |10234   30   30   23   51  410   19 |    44   73   72   86  119    65
 R17  | 6674   33   20   29   38  ---   16 |    31   41   43   69  ---    38
 R19  | 4395   23   22  489   62  ---   24 |    59   47  409  108  ---    60
 R20  | 6637   28   32   50   60  ---   23 |    30   41   45   59  ---    26
 R23  | 5013   41   26   67   83  ---   29 |    37   49  115  105  ---    59
 R24  | 6860   49   21   46   68  261   25 |   125  159  170  157  289   149
------+------------------------------------+--------------------------------
 RMS  | 9124   34   23  132   49  285      |T   58   59  106   79  162    57
 WRMS | 9124   28   21   68   49  285      |NE  58   59  106   79  162    57
 MEDI | 6674   29   21   46   40  261      |MD  37   41   63   58  119    36

Table 3.1476.6  GPS week: 1476   Day: 6   MJD: 54582                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01  | 4778   40   30   68   15  ---   22 |    30   28   57   49  ---    34
 R04  |19309   26   32   53   21  ---   19 |    26   50   44   39  ---    32
 R06  |13003   85   37   25   49  ---   28 |   211  202  205  221  ---   206
 R07  | 3306   47   48   60   39  103   27 |    59   49   90   48   95    44
 R08  | 5704   52   40  112   48  ---   37 |    38   39  109   51  ---    42
 R09  |10422  290   63   43   65  ---   70 |   165   61   56   28  ---    46
 R10  | 3504   32   16   20   20  ---   12 |    63   44   53   52  ---    49
 R11  | 4615   53   29   76   43  ---   28 |    45   43   93   50  ---    44
 R13  |10826  224   57   83   32  ---   57 |   208   57   63   52  ---    65
 R14  | 3165   25   15   49   21  ---   16 |    24   27   58   29  ---    28
 R15  | 7990   37   12   46   20  310   16 |    36   44   66   57   67    43
 R17  | 6656   29   20   33   21  ---   14 |    54   63   79   47  ---    56
 R19  | 2727   23   31   33   25  ---   16 |    59   60  194  100  ---    72
 R20  | 1393   27   31   18   48  ---   20 |    33   38   56   50  ---    40
 R23  | 3822   52   42   27   57  ---   27 |    56   62   87   94  ---    70
 R24  | 3806   27   16   34   18  108   13 |   138  137  156  150  124   141
------+------------------------------------+--------------------------------
 RMS  | 8001  100   36   55   37  199      |T   77   62   91   69   95    63
 WRMS | 8001   48   28   48   37  199      |NE  77   62   91   69   95    63
 MEDI | 4615   37   31   43   25  108      |MD  54   49   66   50   95    44



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