[IGSREPORT-17854] Wk 1549 IGLOS Final Orbits

Jim Ray IGS.ACC at noaa.gov
Thu Oct 1 05:04:27 PDT 2009


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IGS Electronic Report   01 Oct 05:04:55 PDT 2009      Message Number 17854
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Author:   AC Coordinator / NOAA NGS                                               
sum-file Version 2.0
                                                                               
IGLOS Orbit Combination - Week 1549   (Sep 13, 2009 - Sep 19, 2009) 
                                                                               
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 2.1549.
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:                   
                                                                               
 igl1549[0-6].sp3  IGLOS-PP Glonass ephemerides files for days 0-6
                   of GPS Week 1549 in the SP3 format.
 igl15497.sum      Combination Report for GPS Week 1549.


    
    
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  |    230.9 ns
                1  |    239.5 ns
                2  |    164.7 ns
                3  |    235.2 ns
                4  |    235.6 ns
                5  |    241.7 ns
                6  |    245.2 ns

    
         
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 1.1549, 1a.1549).
        
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 2.1549.0-6)                                                                                
    
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 3.1549.0-6). 
        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 1549 summary.                      (Sep 13, 2009 - Sep 19, 2009)

Table 1.1549.a     GPS week : 1549   MJD: 55087.0-55093.0

         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  107|    1     0    -6    11   -23    46  -.15   28   24 |       0     450   3709   4259
        |    1     1     2    18    30    83   .09           |       0     713
cod  227|   -1     0     1    20    -9    75  -.14   18   14 |     ---     ---    ---    ---
        |    1     0     1    28    21    20   .03           |     ---     ---
esx  128|    1     0    10   -18    64   -27   .49   28   24 |  138597    -885   6522  11889
        |    0     1     2    24    18    79   .10           |   24186    4769
iac  n/a|    0     0    -4   -33   -17  -138  -.09   25   25 |  227087     142   6453  11331
        |    1     1     2    13    21    66   .11           |   26668    2580
mcc  n/a|    0     5    17     7   -26   349  -.19  214  214 |     ---     ---    ---    ---
        |   11    11    20   113   134   490   .34           |     ---     ---


Table 1.1549.b     GPS week : 1549   MJD: 55087.0-55093.0   

         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
------+------------------------------------+------------------------------------------
 R02  |    9    0   15   13   11   14   11 |
 R03  |   11   11    9   10    8   11   11 |
 R07  |   10   12   11   11   10   10    7 |
 R08  |   15    8   11    9   11   11   15 |
 R10  |   12   11   11   12   16   18   14 |
 R11  |   12    8   14   13   10   11   10 |
 R13  |    9   10   11   12   12   10   10 |
 R14  |   11   11    9   12    9   12   16 |
 R15  |    9   10   11    7   15   15   10 |
 R17  |   16    9    9   12   11   17   24 |
 R18  |   12   11    9   12   13   16   12 |
 R19  |   19   22   12   12   15   13   21 |
 R20  |   17   17   14   16   17   22   19 |
 R21  |   14   12   13    9   15   17   34 |
 R23  |   15   17   13   15   22   13   17 |
 R24  |   13   13   24   23   17   30   30 |


Table 1.1549.c     GPS week : 1549   MJD: 55087.0-55093.0   

         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 1549 0   |  144    16   209    1760   -5133   -5061  96.1  3215  3215 |  230882       0
brd 1549 1   |-1129  ---- -7849  -49140   -7994   83320  <<<< >>>>> >>>>> |  239459       0
brd 1549 2   |   59    34   242   -3860   -2976  -20140  89.0  3299  3299 |  164701       0
brd 1549 3   |   30    22   327    -356    -359  -15460  85.3  3242  3242 |  235226       0
brd 1549 4   | -112   -11   337   -1646   -3979   -7859  90.6  2903  2903 |  235576       0
brd 1549 5   |  -73   -44   309   -1572    -609   -5457  91.1  2360  2360 |  241688       0
brd 1549 6   |    7    75   265   -2112     496   -5553  88.0  2672  2672 |  245206       0
-------------+------------------------------------------------------------+----------------
brd 1549 mean| -153 -2232  -879   -8132   -2936    3398   8.6 >>>>> >>>>> |  227534       0
brd 1549 sdev|  438  5947  3073   18163    3036   35716 215.5 >>>>> >>>>> |   28100       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 2.1549.0  GPS week: 1549   Day: 0   MJD: 55087                            

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  107|    1     0    -4     0   -10   -84  -.20   23   24 |       0      70   2721   3099
cod  227|   -1     0     1    53   -18    87  -.17   13   12 |     ---     ---    ---    ---
esx  128|    3    -1    11   -58    69    63   .48   28   24 |  157686   -8057   5088  10282
iac  n/a|    2     3    -2   -32   -22  -165  -.01   27   27 |  231059   -1950   4943   9081
mcc  n/a|    7    11    48    40    -8   509  -.24  112  112 |     ---     ---    ---    ---

Table 2.1549.1  GPS week: 1549   Day: 1   MJD: 55088                            

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  107|    2    -2    -4    20    15     0  -.16   21   21 |       0     -59   3725   4654
cod  227|   -1     0     0    -4   -21   105  -.08   12   11 |     ---     ---    ---    ---
esx  128|    1     1    12   -13    58    29   .54   30   27 |  146706    6504   8601  15962
iac  n/a|    1     0    -7   -44   -26  -242   .05   24   24 |  236814    4285   8276  15479
mcc  n/a|    0    10    28    53   -70   102  -.20  103  103 |     ---     ---    ---    ---

Table 2.1549.2  GPS week: 1549   Day: 2   MJD: 55089                            

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  107|    4     0    -9    30    -4    45  -.19   26   23 |       0     748   4578   5066
cod  227|   -2     0     1   -16   -38    82  -.14   14   12 |     ---     ---    ---    ---
esx  128|    1     0     8     0    69   -23   .48   24   22 |   85004   -2468   8632  11583
iac  n/a|    0     0    -2    -4   -25  -156  -.01   26   26 |  167584    -486   8627  11519
mcc  n/a|    1    19    19    25    97   -80  -.57  409  409 |     ---     ---    ---    ---

Table 2.1549.3  GPS week: 1549   Day: 3   MJD: 55090                            

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  107|    3    -1    -8    24   -43   120  -.12   21   21 |       0     471   2756   3329
cod  227|   -3     1    -1    -4    -6    84  -.12   19   16 |     ---     ---    ---    ---
esx  128|    2     1    15    10    83  -189   .46   28   25 |  148752    1680   4665   9693
iac  n/a|    0     0     0   -34   -12  -103  -.09   21   21 |  233473    1881   4672   8689
mcc  n/a|  -16     4     0    79    74   260  -.27  296  296 |     ---     ---    ---    ---

Table 2.1549.4  GPS week: 1549   Day: 4   MJD: 55091                            

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  107|    0     0    -9    -7   -74   -16  -.18   25   24 |       0    -336   3187   3602
cod  227|    0     0     2    29   -16    51  -.18   21   17 |     ---     ---    ---    ---
esx  128|    1     0     9   -13    79   -33   .41   22   21 |  144887    2440   4922  10343
iac  n/a|    0     1    -4   -33   -30   -30  -.11   25   25 |  234569    1849   4919   9806
mcc  n/a|   -7    -4     1  -151    31  1095   .47  170  170 |     ---     ---    ---    ---

Table 2.1549.5  GPS week: 1549   Day: 5   MJD: 55092                            

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  107|    2     0    -4   -13   -39   128   .04   36   30 |       0     412   4772   5260
cod  227|    0     0     4    47    21    57  -.14   21   14 |     ---     ---    ---    ---
esx  128|    2     0     9    -7    63    -8   .40   31   25 |  140812   -3325   7184  14179
iac  n/a|    1    -1    -4   -42   -34  -165  -.14   24   24 |  240889   -2630   7187  13899
mcc  n/a|    0   -15    -6  -145    -6   828  -.46  120  120 |     ---     ---    ---    ---

Table 2.1549.6  GPS week: 1549   Day: 6   MJD: 55093                            

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  107|    0    -2    -2    28    -5   128  -.23   41   26 |       0    1845   4225   4803
cod  227|    0     0     2    39    15    56  -.12   25   18 |     ---     ---    ---    ---
esx  128|    0    -3     8   -41    26   -32   .69   32   22 |  146334   -2974   6563  11182
iac  n/a|   -1     0    -7   -41    29  -107  -.29   27   27 |  245223   -1955   6551  10845
mcc  n/a|   20     9    33   149  -304  -265  -.03  289  289 |     ---     ---    ---    ---

       
       
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 3.1549.0  GPS week: 1549   Day: 0   MJD: 55087                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
XR02  | 3785  ---    6   16   17  ---    9 |   ---   28   35   39  ---    33
 R03  | 4114   24   12   18   22  ---   10 |    19   36   41   39  ---    31
 R07  | 1462   20    8   27   18  ---   10 |    26   47   59   37  ---    41
 R08  | 1661   33   17   24   30  100   14 |    26   45   50   23   27    34
 R10  | 4199   17   13   26   28  ---   11 |    24   37   32   24  ---    26
 R11  | 3629   24   12   25   24  100   12 |    35   42   61   42   49    41
 R13  | 3878   17    9   15   20  ---    8 |    22   27   31   29  ---    24
 R14  | 1634   23   12   22   23  ---   11 |    23   28   42   32  ---    27
 R15  | 4342   15   10   18   23   79    9 |    23   21   30   33   26    22
 R17E | 2056   22   17   45   25  ---   15 |    67   69   78   68  ---    66
 R18E | 2104   26   13   24   24  ---   12 |    24   22   33   36  ---    22
XR19E |  919   31   19  ---   33  ---   19 |    32   37  ---   49  ---    32
 R20E | 1773   22   14   44   41  ---   17 |    27   33   66   50  ---    35
 R21E | 1502   18   10   35   34  ---   13 |    70   73   76   69  ---    69
 R23E | 5478   33   17   32   28  155   15 |    36   41   48   47  282    35
 R24E | 3375   24   20   20   23  ---   12 |   181  210  192  203  ---   198
------+------------------------------------+--------------------------------
 RMS  | 3214   23   13   28   27  112      |T   42   49   58   51   96    46
 WRMS | 3214   24   12   24   27  112      |NE  24   34   42   33   34    31
 MEDI | 2104   23   12   24   24  100      |MD  26   37   48   39   27    33

Table 3.1549.1  GPS week: 1549   Day: 1   MJD: 55088                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
XR02  |>>>>>  ---  ---  ---   14  ---    0 |   ---  ---  ---   35  ---    41
 R03  |>>>>>   25    7   29   19  ---   11 |    19   29   30   37  ---    25
 R07  |>>>>>   22   19   21   24  ---   12 |    14   40   36   25  ---    28
 R08  |>>>>>   12   11   14   19   89    8 |    28   21   31   26   47    22
 R10  | ----   15   10   35   22  ---   11 |    28   23   36   21  ---    20
 R11  |>>>>>   13    6   26   16   94    8 |    22   29   40   33   56    26
 R13  |>>>>>   24   13   20   17  ---   10 |    23   31   39   23  ---    25
 R14  |>>>>>   21    8   29   22  ---   10 |    22   22   36   36  ---    23
 R15  |>>>>>   18    7   20   30   76   10 |    23   22   29   36   21    23
 R17E |>>>>>   17    9   20   23  ---    9 |    32   45   52   40  ---    38
 R18E |>>>>>   20   13   28   23  ---   11 |    25   22   38   40  ---    24
XR19E |>>>>>   36   26  ---   31  ---   21 |    19   29  ---   37  ---    21
 R20E |>>>>>   27   18   47   32  ---   16 |    28   44   72   49  ---    40
 R21E |>>>>>   18    9   29   28  ---   11 |    47   54   70   54  ---    51
 R23E |>>>>>   34   14   50   31  139   17 |    29   39   62   39  339    33
 R24E |>>>>>   25   13   34   25  ---   12 |   162  184  167  190  ---   176
------+------------------------------------+--------------------------------
 RMS  |>>>>>   21   12   30   24  103      |T   34   42   52   45  115    38
 WRMS |>>>>>   21   11   27   24  103      |NE  22   27   34   30   41    25
 MEDI |>>>>>   21   11   28   23   89      |MD  25   29   38   36   47    25

Table 3.1549.2  GPS week: 1549   Day: 2   MJD: 55089                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R02  | 6338   35   16   16   33  ---   14 |    16   29   49   37  ---    22
 R03  | 3308   20    9   18   13  ---    8 |    16   28   38   30  ---    25
 R07  | 2675   12   13   23   24  ---   10 |    35   37   33   19  ---    27
 R08  |  779   19   11   29   18  141   11 |    21   35   44   27   68    28
 R10  | 2532   27   13   17   16  ---   10 |    22   23   24   21  ---    17
 R11  | 2768   13   17   21   40  136   14 |    40   34   42   61   79    39
 R13  | 1826   17   11   23   27  ---   11 |    22   31   38   24  ---    24
 R14  | 1198   17   11   16   17  ---    8 |    33   24   39   35  ---    28
 R15  | 3074   28    7   22   22   72   11 |    22   21   31   28   37    22
 R17E | 1572   25    9   10   19  ---    9 |    45   52   59   56  ---    51
 R18E | 1719   13   11   16   19  ---    8 |    22   36   43   41  ---    33
 R19E |  872   18   16   23   27  ---   12 |    27   50  187   49  ---    41
 R20E | 2932   26   13   33   26  ---   14 |    32   40   60   45  ---    40
 R21E | 3107   21   14   29   26  ---   12 |    69   77   73   76  ---    70
 R23E | 7423   18   11   32   27  792   12 |    39   35   45   33  497    32
 R24E | 2728   63   27   40   38  ---   24 |    76  125  149  109  ---   114
------+------------------------------------+--------------------------------
 RMS  | 3299   26   14   24   26  409      |T   33   42   59   43  170    38
 WRMS | 3299   23   12   22   26  409      |NE  25   29   37   31   61    25
 MEDI | 2675   19   11   22   24  136      |MD  27   35   43   35   68    28

Table 3.1549.3  GPS week: 1549   Day: 3   MJD: 55090                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R02  | 4356   18   26   30   16  ---   13 |    14   30   47   49  ---    35
 R03  | 6959   18   13   26   13  ---   10 |    24   35   36   31  ---    28
 R07  | 4277   19   12   26   17  ---   10 |    26   39   57   46  ---    39
 R08  | 1027   15    6   28   12  123    9 |    41   32   61   40   45    40
 R10  | 2800   17   17   29   18  ---   11 |    33   45   50   44  ---    39
 R11  | 2013   20   14   29   24  112   12 |    42   43   71   47   47    46
 R13  | 2203   14   13   34   22  ---   12 |    37   46   72   31  ---    42
 R14  | 1933   25   15   26   18  ---   12 |    18   28   37   32  ---    24
 R15  | 3115   13    6   14   16   92    7 |    40   35   40   54   33    40
 R17E | 1126   20   18   21   20  ---   11 |    58   63   56   51  ---    55
 R18E |  992   19   17   17   26  ---   11 |    41   41   53   60  ---    44
 R19E |  669   23   17   21   18  ---   11 |    27   44  186   41  ---    36
 R20E | 1295   34   17   36   23  ---   16 |    44   54   67   58  ---    52
 R21E | 1361   14   15   19   16  ---    9 |    57   64   73   56  ---    61
 R23E | 4979   29   20   21   29  560   14 |    26   45   41   43  300    34
 R24E | 4489   24   43   55   34  ---   23 |   149  149  114  121  ---   131
------+------------------------------------+--------------------------------
 RMS  | 3241   21   19   28   21  296      |T   42   49   66   50  106    46
 WRMS | 3241   21   16   25   21  296      |NE  30   37   52   41   41    37
 MEDI | 2013   19   15   26   18  112      |MD  37   43   56   46   45    40

Table 3.1549.4  GPS week: 1549   Day: 4   MJD: 55091                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R02  | 3430   21   12   22   16  ---   10 |    15   28   38   27  ---    25
 R03  | 7684   15   14   12   14  ---    8 |    22   23   34   22  ---    21
 R07  | 3108   15   13   16   25  ---   10 |    31   26   34   24  ---    25
 R08  |  846   13   18   21   19   79   10 |    19   29   34   37   38    25
 R10  | 4062   22   35   25   24  ---   16 |    34   38   39   30  ---    30
 R11  | 1842   14   19   17   19   59   10 |    43   35   50   36   47    39
 R13  | 1367   14   13   24   26  ---   11 |    24   36   38   43  ---    32
 R14  | 2999   13   10   14   21  ---    9 |    42   38   43   31  ---    35
 R15  | 2063   25   19   27   29  144   14 |    22   25   48   31   33    25
 R17E |  868   21   11   15   26  ---   11 |    45   49   54   52  ---    46
 R18E | 1428   29   21   16   20  ---   12 |    36   41   54   48  ---    42
 R19E |  751   27   27   24   20  ---   14 |    47   65  134   52  ---    57
 R20E | 1043   34   19   32   29  ---   16 |    53   60   72   60  ---    58
 R21E | 1917   19   32   16   30  ---   14 |    78   89   76   60  ---    73
 R23E | 1628   53   28   32   32  293   21 |    29   44   36   39  174    29
 R24E | 2796   34   24   17   36  ---   16 |    95  109  129  138  ---   114
------+------------------------------------+--------------------------------
 RMS  | 2902   25   21   21   25  170      |T   39   45   57   45   73    42
 WRMS | 2902   24   17   21   25  170      |NE  28   30   39   31   39    28
 MEDI | 1842   21   19   17   24   79      |MD  34   38   43   37   38    32

Table 3.1549.5  GPS week: 1549   Day: 5   MJD: 55092                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R02  | 2664   25   13   37   22  ---   13 |    30   30   68   27  ---    34
 R03  | 5305   18   10   33   16  ---   11 |    21   21   43   30  ---    24
 R07  | 2475   24    9   16   18  ---    9 |    23   21   26   25  ---    19
 R08  |  698    8   15   28   21   73   11 |    33   24   45   30   37    26
 R10  | 4060   36   36   20   26  ---   18 |    17   38   34   27  ---    24
 R11  | 1453   16    8   26   24   45   11 |    35   34   51   28   40    31
 R13  |  792   12   15   22   19  ---   10 |    28   29   44   34  ---    30
 R14  | 1980   17   14   24   24  ---   11 |    26   22   33   21  ---    19
 R15  |  903   18   26   26   26  149   14 |    31   41   54   41   40    38
 R17E | 1873   26   20   38   35  ---   17 |    54   65   71   48  ---    55
 R18E | 1203   32   27   32   22  ---   16 |    36   50   63   57  ---    44
 R19E |  747   33   11   27   16  ---   12 |    31   41  137   38  ---    37
 R20E | 2160   64   24   45   20  ---   22 |    40   63   81   55  ---    57
 R21E | 1160   57   19   24   14  ---   17 |    71   82   82   80  ---    75
 R23E | 1278   26   15   28   25  168   13 |    27   40   39   34  286    32
 R24E | 3185   81   39   49   44  ---   30 |   181  224  229  221  ---   211
------+------------------------------------+--------------------------------
 RMS  | 2360   36   21   31   24  120      |T   42   51   68   49  100    47
 WRMS | 2360   30   14   25   24  120      |NE  27   28   44   29   39    27
 MEDI | 1453   25   15   27   22   73      |MD  31   38   51   34   40    32

Table 3.1549.6  GPS week: 1549   Day: 6   MJD: 55093                            

        Weighted Average                   Orbit Dynamics (7 days)
 PRN  |  brd  bkg  cod  esx  iac  mcc  IGL |   bkg  cod  esx  iac  mcc   IGL
------+------------------------------------+--------------------------------
 R02  | 1554   11   22   24   15  ---   11 |    16   26   28   21  ---    21
 R03  | 8410   16   16   23   22  ---   11 |    27   33   45   26  ---    28
 R07  | 1848   18    9    8   14  ---    7 |    17   29   31   41  ---    27
 R08  |  853   29   18   15   37  103   15 |    32   27   36   36   48    23
 R10  | 2945   31   20   25   22  ---   14 |    23   36   48   43  ---    35
 R11  |  950   17   12   19   18  117    9 |    41   41   55   32   72    40
 R13  |  785   17   15   19   16  ---    9 |    34   34   44   33  ---    34
 R14  | 1603   31   20   30   32  ---   16 |    39   31   46   22  ---    27
 R15  | 1981   19   14   14   23   96   10 |    23   27   36   35   73    28
 R17E | 1881   44   15   62   39  ---   24 |    65   78  110   72  ---    75
 R18E |  995   27   16   17   23  ---   12 |    50   60   72   57  ---    57
 R19E |  760   45   27   46   27  ---   20 |    47   81  219   72  ---    75
 R20E | 3201   47   27   32   26  ---   19 |    62   69   88   77  ---    70
 R21  |  898   76   57   53   50  ---   34 |   120  157  148  103  ---   125
 R23E |  909   26   25   39   23  548   16 |    42   50   71   58  398    51
 R24E | 1797   99   45   27   23  ---   30 |   129  204  191  191  ---   181
------+------------------------------------+--------------------------------
 RMS  | 2671   41   25   32   27  289      |T   47   61   79   57  147    56
 WRMS | 2671   26   18   22   27  289      |NE  28   31   41   32   64    29
 MEDI | 1554   27   18   24   23  103      |MD  39   36   48   41   72    35



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