[IGSREPORT-15882] Wk 1461 IGLOS Final Orbits

Gerd Gendt3 igsacc at gfz-potsdam.de
Thu Jan 24 07:11:34 PST 2008


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IGS Electronic Report   24 Jan 07:11:38 PST 2008      Message Number 15882
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Author:   AC Coordinator / GFZ Potsdam                                               
sum-file Version 2.0
                                                                               
IGLOS Orbit Combination - Week 1461   (Jan 06, 2008 - Jan 12, 2008) 
                                                                               
Contact: Gerd Gendt     (gendt at gfz-potsdam.de)                   
         Thomas Nischan ( nisn at gfz-potsdam.de)                             
                                                                               
                                                                               
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 2.1461.
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:                   
                                                                               
 igl1461[0-6].sp3  IGLOS-PP Glonass ephemerides files for days 0-6
                   of GPS Week 1461 in the SP3 format.
 igl14617.sum      Combination Report for GPS Week 1461.


    
    
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  |   1359.3 ns
                1  |   1389.3 ns
                2  |   1390.6 ns
                3  |   1383.7 ns
                4  |   1401.9 ns
                5  |   1375.1 ns
                6  |   1329.9 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
               ----+--------+---------------
                0  |  ESX   | R19 R20
                1  |  ESX   | R08 R19 R24
                2  |  BKG   | R08
                2  |  ESX   | R19 R24
                2  |  IAC   | R17
                3  |  ESX   | R19 R20 R23 R24
                4  |  ESX   | R19 R20 R23 R24
                5  |  ESX   | R19 R20 R24
                6  |  ESX   | R19 R20 R24

    
         
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 1.1461, 1a.1461).
        
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 2.1461.0-6)                                                                                
    
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 3.1461.0-6). 
        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 1461 summary.                      (Jan 06, 2008 - Jan 12, 2008)

Table 1.1461.a     GPS week : 1461   MJD: 54471.0-54477.0

         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   58|    2     0   -15    -9   -43    43   .11   82   65 |       0    -104   2304   2415
        |    4     5     9   118   137   129   .25           |       0     347
cod  175|   -3    -2    -1     9   -45   -44  -.16   30   29 |     ---     ---    ---    ---
        |    5     5     5    79    80    53   .12           |     ---     ---
esx   49|   -2     4     8    71    94   125  -.47  265   70 |  -22412    6642   8496  15306
        |    5     5    12    90    96   130   .15           |   34281    6516
iac  n/a|    1     3     2   -84   -29   -25   .89   62   62 | 1375826    1380   6988  14194
        |    5     9     6    72   108    91   .20           |   23109    3078
mcc  n/a|    4     4    44   -57  -191  -168   .58  635  635 |     ---     ---    ---    ---
        |   12    12    19   153   190   720   .52           |     ---     ---


Table 1.1461.b     GPS week : 1461   MJD: 54471.0-54477.0   

         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
------+------------------------------------+------------------------------------------
 R01E |   23   29   19   20   18   16   28 |
 R04E |   25   30   29   18   31   47   25 |
 R06E |   17   17   25   19   17   23   27 |
 R07E |   34   50   52   45   41   39   28 |
 R08E |   26   55   58   27   19   15   23 |
 R10  |   14   21   20   14   23   16   20 |
 R14  |   22   19   22   14   13   17   17 |
 R15  |   49   48   34   39   24   28   45 |
 R17  |   52   78   34   36   25   39   44 |
 R19  |   24   39   41   22   27   29   35 |
 R20  |   25   21   26   24   19   42   30 |
 R23  |   58   59   87   22   20   27   35 |
 R24  |   46   27   54   25   34   32   19 |


Table 1.1461.c     GPS week : 1461   MJD: 54471.0-54477.0   

         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 1461 0   | -364  -600  -552   17520    9341  -33790  87.3  6674  6674 | 1359295       0
brd 1461 1   |  -81  -334 -1276   15030   10970  -32350  93.7  8526  8526 | 1389296       0
brd 1461 2   | -714   -11  -556    -777    -848  -49120  84.7  7988  7988 | 1390603       0
brd 1461 3   |  370  -328  -844   11020    9528  -32790  88.7  8462  8462 | 1383708       0
brd 1461 4   | -583  -551   -78   -7205   -3987  -14120 111.0  9835  9835 | 1401851       0
brd 1461 5   |  -64   -92   528  -23290   -2268  -20100  93.2 13120 13120 | 1375070       0
brd 1461 6   | 1691  2112   -28  -17480   43580  -47190 110.1 12200 12200 | 1329859       0
-------------+------------------------------------------------------------+----------------
brd 1461 mean|   36    27  -401    -740    9473  -32779  95.5  9543  9543 | 1375668       0
brd 1461 sdev|  814   944   593   16077   16284   12811  10.7  2337  2337 |   24241       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 2.1461.0  GPS week: 1461   Day: 0   MJD: 54471                            

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   58|    6     0   -20  -123    79   122   .22   57   49 |       0     204   2196   2287
cod  175|  -11    -1    -1   -55   -82     1  -.23   36   31 |     ---     ---    ---    ---
esx   49|   -6     0    23   150    93  -106  -.71  265   68 |  -24333    3670   9689  11281
iac  n/a|    6    -5    -3   -57   -26    40   .77   38   38 | 1359217    2795   7027  10115
mcc  n/a|    5    -3    62  -119    51   -94   .88   77   77 |     ---     ---    ---    ---

Table 2.1461.1  GPS week: 1461   Day: 1   MJD: 54472                            

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   58|    3    -1    -8   -17   -77  -147  -.05   81   64 |       0      37   2291   2404
cod  175|   -7    -3    -6    -3  -136    31  -.06   42   42 |     ---     ---    ---    ---
esx   49|    4     0    -7   107   260   223  -.59  259   65 |   -1875    6629   8289  12116
iac  n/a|    3     8    -5  -153   -10  -141   .80   64   64 | 1389452    2001   7107  10775
mcc  n/a|    5     0    77  -148  -507   290  1.13  670  670 |     ---     ---    ---    ---

Table 2.1461.2  GPS week: 1461   Day: 2   MJD: 54473                            

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   58|    2     3    -4  -188   106    -1   .04  150   90 |       0     -58   2276   2366
cod  175|   -5   -12    -5    90   -50   -46  -.21   39   40 |     ---     ---    ---    ---
esx   49|    2     6     6   118    61   248  -.45  210   71 |   33411   -1033   6891  18680
iac  n/a|   10    16     7  -193     1  -170  1.20   80   80 | 1391255   -1483   5736  15502
mcc  n/a|   28    -2    40   284  -316   109   .72  473  473 |     ---     ---    ---    ---

Table 2.1461.3  GPS week: 1461   Day: 3   MJD: 54474                            

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   58|   -1    -2   -12   109  -184    70  -.00   62   58 |       0      25   2247   2353
cod  175|   -1    -1    -4     4    91  -110  -.09   18   18 |     ---     ---    ---    ---
esx   49|   -3    -1    16   -62   -66   143  -.38  290   79 |  -31786   12993   8752  16809
iac  n/a|   -1     1    -6    27  -155     9   .96   69   69 | 1380971    6401   7663  15201
mcc  n/a|   -8    16    28   -95  -144  -408   .43  275  275 |     ---     ---    ---    ---

Table 2.1461.4  GPS week: 1461   Day: 4   MJD: 54475                            

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   58|    4    11   -19   112  -256   249   .63   94   85 |       0    -265   2424   2596
cod  175|    0    -3    -1   -10    33  -102  -.14   14   13 |     ---     ---    ---    ---
esx   49|    0     9    16    34    85    24  -.33  293   76 |  -17229   12617   8221  13390
iac  n/a|   -2     9     9   -39  -191    55  1.05   75   75 | 1401406     732   7312  12460
mcc  n/a|  -10    15    28  -134  -286    89  1.00  767  767 |     ---     ---    ---    ---

Table 2.1461.5  GPS week: 1461   Day: 5   MJD: 54476                            

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   58|   -4    -3   -13   -43   -20   -63  -.06   75   54 |       0    -813   2586   2716
cod  175|    4     6     0   135   -67   -67  -.37   34   35 |     ---     ---    ---    ---
esx   49|  -11     7    14   -23   104   109  -.30  278   68 |  -36002   13213   9941  14828
iac  n/a|   -5    -9     5   -80    83    -1   .84   52   52 | 1375363    2292   7520  15578
mcc  n/a|    9   -13    26   -63   -53   500   .27 1273 1273 |     ---     ---    ---    ---

Table 2.1461.6  GPS week: 1461   Day: 6   MJD: 54477                            

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   58|    7    -4   -32    83    47    75  -.02   57   57 |       0     142   2114   2185
cod  175|   -1     0    11   -92  -103   -17  -.01   26   26 |     ---     ---    ---    ---
esx   49|   -1    13    -6   178   126   239  -.49  259   64 |  -79072   -1593   7694  20043
iac  n/a|   -2     3     7   -93    92    25   .60   57   57 | 1333120   -3073   6555  19729
mcc  n/a|    3    18    44  -126   -79 -1669  -.38  908  908 |     ---     ---    ---    ---

       
       
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 3.1461.0  GPS week: 1461   Day: 0   MJD: 54471                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01E | 9892   55   26   46   38  ---   23 |    51   67   54   64  ---    53
 R04E | 6183   86   17   43   25  ---   25 |   123  118  146  136  ---   126
 R06E | 2876   44   31   21   25  ---   17 |    20   35   45   27  ---    20
 R07E | 3288   61   62   31   69   77   33 |    33   20   51   60   30    26
 R08E |11907   53   37   62   26  ---   26 |    83   50  101   57  ---    44
XR10  | 3575   24   14  ---   22  ---   14 |    21   31  ---   30  ---    27
XR14  | 1904   52   13  ---   30  ---   22 |    37   45  ---   42  ---    41
XR15  | 6114  123   41  ---   47  232   48 |    45   61  ---   40   27    41
XR17  | 9634   77   60  ---   84  ---   52 |   122   89  ---   79  ---    72
 R19  | 1792   47   23  474   34  ---   24 |    39   53  422   45  ---    44
 R20  | 3411   45   36  509   27  ---   25 |    58   69  391   65  ---    61
XR23  |22914  137   45  ---   71  ---   57 |   170   51  ---   36  ---    53
XR24  | 5604  112   58  ---   21 1661   46 |    89  123  ---  108  690   100
------+------------------------------------+--------------------------------
 RMS  | 6674   57   35  265   38   77      |T   68   62  172   60  249    54
 WRMS | 6674   49   31   68   38   77      |NE  72   65  406   55  358    54
 MEDI | 5604   55   36   46   30  232      |MD  51   53  101   57   30    44

Table 3.1461.1  GPS week: 1461   Day: 1   MJD: 54472                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01E |11498   65   44   54   35  ---   28 |    76   74   71   69  ---    65
 R04E | 5517   99   16   43   40  ---   30 |   106   94  116  111  ---    96
 R06E | 4458   25   26   35   31  ---   17 |    23   21   54   44  ---    25
 R07E | 8033   92   62   54  131   90   49 |    57   44   72   88   19    37
 R08E |15216  133   48  316   46  ---   55 |    72   51  111   29  ---    55
XR10  | 5050   29   21  ---   40  ---   21 |    22   24  ---   37  ---    19
XR14  | 1917   37   10  ---   33  ---   19 |    26   27  ---   34  ---    26
XR15  | 3852   51   60  ---   87  213   47 |    41   92  ---   58   22    50
XR17  | 8895   78  101  ---  142  ---   77 |    44  109  ---  247  ---    62
 R19  | 1808   53   53  411   59  ---   38 |    27   69  240   30  ---    38
XR20  | 4085   41   17  ---   33  ---   21 |    28   54  ---   49  ---    43
XR23  |10274  132   53  ---   68  ---   59 |    91   58  ---   40  ---    29
 R24  | 5194   49   27  439   43  943   27 |   106  131  375  104  462   110
------+------------------------------------+--------------------------------
 RMS  | 8526   81   42  259   64  670      |T   55   65  148   72  167    50
 WRMS | 8526   64   42   65   64  670      |NE  48   70  307   74  242    47
 MEDI | 5194   53   44   54   43  213      |MD  44   58  111   49   22    43

Table 3.1461.2  GPS week: 1461   Day: 2   MJD: 54473                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01E | 9063   48   25   32   39  ---   19 |    74   63   60   40  ---    53
 R04E | 5731  111   24   22   61  ---   28 |    91   62   88   79  ---    68
 R06E | 4472   48   31   54   41  ---   25 |    27   35   58   37  ---    23
 R07E | 3700  164   57   71  104   61   51 |    49   44   70   99   36    33
 R08E |16092  314   49  110   81  ---   58 |   107   40   67   37  ---    75
XR10  | 5260   25   18  ---   42  ---   19 |    23   29  ---   46  ---    29
XR14  | 1815   37   14  ---   48  ---   21 |    32   30  ---   53  ---    35
XR15  | 5456   57   23  ---   75  187   34 |    20   38  ---   41   25    26
XR17  | 8293   61   19  ---  391  ---   34 |    46   50  ---  271  ---    50
 R19  | 2409   74   39  381   77  ---   40 |    61   68  268   86  ---    58
XR20  | 6517   57   16  ---   51  ---   26 |    41   52  ---   90  ---    51
XR23  |12804  127   73  ---  190  ---   86 |    85   68  ---  178  ---    43
 R24  | 5766   92   34  376  120  667   53 |   105  103  193  198  539   119
------+------------------------------------+--------------------------------
 RMS  | 7988  149   39  210   80  473      |T   58   52  114   96  200    51
 WRMS | 7988   90   40   71   80  473      |NE  51   54  230  120  282    51
 MEDI | 5731   61   25   71   75  187      |MD  49   50   70   79   36    50

Table 3.1461.3  GPS week: 1461   Day: 3   MJD: 54474                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01E |13559   42   23   28   62  ---   20 |    53   59   42   68  ---    51
 R04E | 7116   42   17   39   40  ---   17 |    86  111  138  160  ---   120
 R06E | 6201   60   21   32   34  ---   19 |    30   57   44   33  ---    41
 R07E | 1313   78   14   87  165   46   44 |    48   26   51  100   29    21
 R08E |13928   96   12   55   31  ---   26 |    73   42   83   28  ---    47
XR10  | 3048   21   12  ---   34  ---   13 |    20   28  ---   29  ---    24
XR14  | 1641   28   12  ---   26  ---   13 |    28   38  ---   28  ---    34
XR15  |10804   71   29  ---   98  171   38 |    26   56  ---   91   31    35
XR17  | 7604   95   23  ---   63  ---   36 |    68   77  ---   78  ---    56
 R19  | 1908   50   18  413   43  ---   22 |   123  177  378  125  ---   154
 R20  | 5802   59   20  512   36  ---   23 |    25   74  440   46  ---    57
 R23  |10068   48   12  404   55  ---   22 |    81   49   63  100  ---    52
 R24  | 6087   64   20  386   37  386   24 |    98  115  234  136  448   113
------+------------------------------------+--------------------------------
 RMS  | 8461   62   18  290   69  275      |T   58   69  163   78  169    61
 WRMS | 8461   58   18   79   69  275      |NE  58   76  278   79  239    65
 MEDI | 6201   59   18   87   40  171      |MD  53   57   83   78   31    51

Table 3.1461.4  GPS week: 1461   Day: 4   MJD: 54475                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01E |17758   52   14   47   48  ---   18 |    59   49   53   67  ---    46
 R04E |11019  166    8   69   37  ---   31 |    76   80  100   96  ---    83
 R06E | 5777   63   17   37   36  ---   16 |    38   46   57   42  ---    38
 R07E | 1501  127   10   62  165   87   41 |    69   49   55   74   32    39
 R08E |17066   83   12   45   31  ---   18 |    46   38   59   39  ---    37
XR10  | 1840   42   14  ---   69  ---   22 |    31   60  ---   37  ---    47
XR14  | 5881   35   10  ---   32  ---   13 |    37   28  ---   32  ---    27
XR15  | 5080   45   15  ---   73  133   24 |    30   43  ---   52   34    32
XR17  | 9521   52   19  ---   71  ---   25 |   117  110  ---   99  ---   115
 R19  | 1723   87   15  395   64  ---   26 |   201  195  354  227  ---   201
 R20  | 2854   72    9  443   41  ---   19 |    45   73  350   87  ---    74
 R23  | 9231   42   12  446   58  ---   19 |    80   50   48   87  ---    55
 R24  | 3238   88   24  455   92 1082   34 |   162  217  389  209  873   208
------+------------------------------------+--------------------------------
 RMS  | 9834   94   14  293   75  767      |T   76   79  162   88  313    77
 WRMS | 9834   85   13   76   75  767      |NE  87   97  285  103  453    94
 MEDI | 5777   63   14   69   58  133      |MD  59   50   59   74   34    47

Table 3.1461.5  GPS week: 1461   Day: 5   MJD: 54476                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01E |21365   30   20   32   32  ---   16 |    31   52   72   53  ---    46
 R04E |10307  173   27   60   60  ---   46 |   101   63   71   98  ---    64
 R06E |12069   50   29   41   44  ---   22 |    43   48   39   45  ---    36
 R07E |11582   45   55  103   59  109   38 |    57   49   67   63   55    35
 R08E |21165   31   16   40   19  ---   14 |    50   31   52   41  ---    36
XR10  | 9194   35   17  ---   20  ---   16 |    18   40  ---   26  ---    30
XR14  |13516   16   22  ---   30  ---   17 |    17   25  ---   28  ---    17
XR15  |14483   58   32  ---   35  100   28 |    22   46  ---   50   43    31
XR17  | 9258   86   43  ---   44  ---   38 |   108  142  ---  147  ---   126
 R19  | 4842   50   38  364   36  ---   28 |   236  285  313  261  ---   268
 R20  | 5762   73   31  496   80  ---   42 |    71   86  335  101  ---    80
XR23  |13504   42   33  ---   42  ---   26 |    50   85  ---   65  ---    69
 R24  | 5470   30   41  471   57 1797   32 |   167  173  265  209 9999   179
------+------------------------------------+--------------------------------
 RMS  |13119   75   34  278   52 1273      |T   74   86  151   91   49    78
 WRMS |13119   54   35   68   52 1273      |NE  86  110  304  110   43   100
 MEDI |11582   45   31   60   42  109      |MD  50   52   71   63   43    46

Table 3.1461.6  GPS week: 1461   Day: 6   MJD: 54477                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R01E |16582   55   22   56   73  ---   28 |    66   63   82   86  ---    67
 R04E |11768   74   26   39   37  ---   24 |   101   78   68   92  ---    76
 R06E | 2838   86   23   38   49  ---   27 |    51   43   37   39  ---    35
 R07E |12470   44   28   53   77   84   28 |    60   36   58   84   68    37
 R08E |23569   31   29   55   44  ---   22 |    50   59   69   41  ---    42
XR10  | 3799   41   19  ---   33  ---   20 |    23   39  ---   30  ---    33
XR14  | 8678   31   17  ---   26  ---   16 |    37   34  ---   30  ---    32
XR15  | 9848   77   49  ---   77  158   44 |    38   37  ---   54   55    30
XR17  |10134   90   36  ---   76  ---   43 |   148  140  ---  112  ---   137
 R19  | 3943   50   38  361   69  ---   34 |   374  380  525  372  ---   376
 R20  | 4593   65   19  445   53  ---   29 |    86  105  419  121  ---   104
XR23  |14292   80   18  ---   63  ---   35 |   101   63  ---   63  ---    54
 R24  | 4707   30   18  442   35 1282   18 |   162  146  391  155 9999   148
------+------------------------------------+--------------------------------
 RMS  |12203   57   26  259   57  908      |T   99   94  206   98   61    90
 WRMS |12203   57   26   64   57  908      |NE 121  118  445  117   55   114
 MEDI | 9848   55   23   55   53  158      |MD  66   63   69   84   55    54



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