[IGSREPORT-23733] Wk 1851 IGLOS Final Orbits

IGS ACC igs.acc at noaa.gov
Thu Jul 16 09:24:52 PDT 2015


Author:   AC Coordinator / NOAA NGS                                               
sum-file Version 2.0
                                                                               
IGLOS Orbit Combination - Week 1851   (Jun 28, 2015 - Jul 04, 2015) 
                                                                               
Contact: igs.acc 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
center's 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 2.1851.
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:
                                                                               
 igl1851[0-6].sp3  IGLOS-PP Glonass ephemerides files for days 0-6
                   of GPS Week 1851 in the SP3 format.
 igl18517.sum      Combination Report for GPS Week 1851.


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

Starting 16-Sep-2012 (GPS Week 1706, day 0, MJD 56186) the CODE Analysis Center
began submitting two solutions: COD (3d SNX with 3d orbital arcs) and COF (1d
SNX with 1d orbital arcs). The COF clocks and orbits are included for
comparison only; the COD solution is included with weight.

 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. The grg orbits are introduced for the first time
    starting 02-Jan-2011 (GPS Week 1617) but only for statistics until
    22-May-2011 (GPS Week 1637). The bkg orbits were no longer included after
    21-May 2011 (GPS Week 1636). The emx orbits are introduced with full weight
    for the first time starting 11-Sep-2011 (GPS Week 1653).

 3. From 01-May-2005 (GPS Week 1321; MJD 53491) [IGSMAIL-5151] until 4-Nov-2006
    BKG, ESA, and CODE referred their GLONASS orbit products to the following
    satellite antenna offset (SAO) values (expressed in the spacecraft body
    frame):
    
      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.
    
    Starting 5-Nov-2006 (GPS Week 1400, day 0, MJD 54044) until 16-Apr-2011
    (GPS Week 1631, day 6, MJD 55667) the absolute antenna model is introduced
    (IGSMAIL #5438). The antenna phase center offsets and phase center variations
    are given in the file:
        ftp://igs.org/igscb/station/general/igs05.atx
    These antenna calibrations are also used in the homogeneously reprocessed IGS
    products from GPS Weeks 730 to 1459 (1994-2007); see IGSMAIL #6136.
    Starting 17-Apr-2011 (GPS Week 1632, day 0, MJD 55668) the absolute antenna
    model is updated (IGSMAIL #6255 & #6374) as given in the file:
        ftp://igs.org/igscb/station/general/igs08.atx
    

 4. The satellite clock values in the combined orbit files are taken from the
    broadcast files. The following gps/glonass time offsets were added to the
    broadcast clocks. Before GPS Week 1637, the time offsets were derived
    from the bkg summary files; starting Week 1637 the offsets are derived
    from the gfz summary files.
    
               Day | applied clock offset
               ----+---------------------
                0  |      6.1 ns
                1  |      9.7 ns
                2  |     15.2 ns
                3  |     15.9 ns
                4  |     16.0 ns
                5  |     14.7 ns
                6  |     21.5 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  |  COD   | R12
                1  |  COD   | R12
                2  |  COD   | R12
                3  |  GRG   | R06
                6  |  COD   | R11 R12
                6  |  GRG   | R10

    
         
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 1.1851, 1a.1851).
        
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 2.1851.0-6)                                                                                
    
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 3.1851.0-6). 
        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 1851 summary.                      (Jun 28, 2015 - Jul 04, 2015)

Table 1.1851.a     GPS week : 1851   MJD: 57201.0-57207.0

         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]
--------+----------------------------------------------------+------------------------------
cod  n/a|   -1     0    -1    35   -59    -3   .30   44   35 |     ---     ---    ---    ---
        |    1     1     2    24    22    25   .04           |     ---     ---
cof  n/a|   -1     0    -2    16   -52     6   .26   48   37 |     ---     ---    ---    ---
        |    1     1     3    20    31    29   .03           |     ---     ---
emx  n/a|    0     0     7    19   -18   -37   .17   27   25 |   12603     143   3865   7056
        |    1     1     2    27    18    56   .04           |    7627    1579
esx  n/a|   -1     0    -1   -40    25    25  -.04   22   20 |   11800     289   3847   7590
        |    1     1     1    17     8    33   .08           |    4975    2267
gfz  n/a|    0     0     0     4    48    56   .12   21   17 |       0      27   4067  16210
        |    0     1     0    25    15    29   .06           |       0    1893
grg  n/a|    0     1     1     2    -2   112  -.35   43   33 | -769765    -112   8568 705156
        |    1     3     4    21    19    59   .06           |   12567    1728
iac  n/a|    1     0    -1    -2   -15   -85  -.21   19   19 |   13822    -692   4188  16302
        |    0     1     1    24    20    59   .05           |    4077    1027
mcc  n/a|   -3     0    -3    44   -62  -264  -.24  161  161 |     ---     ---    ---    ---
        |    8     7    23   110   129   366   .37           |     ---     ---


Table 1.1851.b     GPS week : 1851   MJD: 57201.0-57207.0   

         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  |   10   11   10   12   10   10   12 |
 R02  |   10    6    6    8    7   10    7 |
 R03  |    8    9    8   10    7   12    9 |
 R04  |    7    6    7    7    7    7    8 |
 R05  |   14   14    9   12   12   15   10 |
 R06  |   10    9   15    7    8    5    7 |
 R07  |    6   10    6    7   10    9    7 |
 R08  |    8    7    7    8    6    7    7 |
 R09  |   13   12   11   15   17   14   16 |
 R10  |    9    7    9   19    8    8    8 |
 R11  |   24   23   23   23   25   28   14 |
 R12  |   20   18   17   23   24   37   28 |
 R13  |    9   10    8   11   10   11    8 |
 R14  |   19   18   15   14   16   20   16 |
 R15  |    9    9   10    9   10   11    8 |
 R16  |    9   12   11   10   10   10    9 |
 R17  |   20   19   21   19   22   20   17 |
 R18  |   10    8    8   11    7    6    9 |
 R19  |   10   10   10    8    8    8    8 |
 R20  |   14   13   13   12   11   12   12 |
 R21  |    9    9    9    8   11    8    8 |
 R22  |   17   10   11   10    9    9   10 |
 R23  |   10    7    9   12   11    9    9 |
 R24  |   11   11   11   15   14   12   11 |


Table 1.1851.c     GPS week : 1851   MJD: 57201.0-57207.0   

         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 1851 0   |   -4    -8   145    1096    1793    3160  86.6  1870  1870 |    6099       0
brd 1851 1   |   81   -16    85    1182     617    3525  85.7  2094  2094 |    9718       0
brd 1851 2   | 1702   -94   194     853   -4933    6274  98.4 >>>>> >>>>> |   15236       0
brd 1851 3   |   28   -73   153    1408    1555     923  83.4 >>>>> >>>>> |   15890       0
brd 1851 4   |    7    33   192    -393     776    2101  83.5  1650  1650 |   15959       0
brd 1851 5   |  -38   137   305     -86    -331    1579  84.5  1853  1853 |   14708       0
brd 1851 6   |  -52   -36   306    2343   -1536    1679  83.7  9027  9027 |   21537       0
-------------+------------------------------------------------------------+----------------
brd 1851 mean|  246    -8   197     914    -294    2748  86.5 >>>>> >>>>> |   14163       0
brd 1851 sdev|  643    76    82     922    2338    1801   5.4 >>>>> >>>>> |    4946       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 2.1851.0  GPS week: 1851   Day: 0   MJD: 57201                            

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]
--------+----------------------------------------------------+------------------------------
cod  n/a|   -1     1    -4    11   -60    -1   .28   54   39 |     ---     ---    ---    ---
cof  n/a|    0    -1    -3    -7   -34   -18   .25   57   42 |     ---     ---    ---    ---
emx  n/a|    0     1     5    39   -28     7   .21   30   27 |    2208    -827   4092   8233
esx  n/a|   -2    -1    -1   -42    21    -2  -.00   22   20 |    4160   -1992   4078   8830
gfz  n/a|    0     0     0    31    39    59   .15   23   17 |       0   -3070   3920   7801
grg  n/a|    1     0     5    -4    24   198  -.30   38   33 | -771883   -2444   4103 693473
iac  n/a|    1     0    -2   -41   -24  -119  -.17   19   19 |    8574   -1624   4081   8281
mcc  n/a|    0     5     6  -173  -125  -678   .28  167  167 |     ---     ---    ---    ---

Table 2.1851.1  GPS week: 1851   Day: 1   MJD: 57202                            

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]
--------+----------------------------------------------------+------------------------------
cod  n/a|   -2     1    -1    56   -47    -9   .24   52   38 |     ---     ---    ---    ---
cof  n/a|   -1    -1     0    27   -50    35   .24   54   39 |     ---     ---    ---    ---
emx  n/a|    0     0    10    21   -22    56   .21   30   27 |    4632   -1898   3680   6731
esx  n/a|   -2     0    -1   -51    21    -5   .05   20   20 |    9553   -1084   3669   6757
gfz  n/a|    0     0    -1     3    57    74   .05   20   13 |       0   -1619   3655   6302
grg  n/a|    1     3    -2    34   -19   113  -.26   37   32 | -770235   -1170   3676 694685
iac  n/a|    2     0     1    -1   -14  -128  -.14   17   17 |   10956   -1011   3661   6684
mcc  n/a|  -13    -1    -6    21  -242    -9  -.01  127  127 |     ---     ---    ---    ---

Table 2.1851.2  GPS week: 1851   Day: 2   MJD: 57203                            

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]
--------+----------------------------------------------------+------------------------------
cod  n/a|   -1    -1     1     8   -40     1   .26   45   34 |     ---     ---    ---    ---
cof  n/a|   -1    -1     0     0   -70    16   .26   47   35 |     ---     ---    ---    ---
emx  n/a|   -1     1     7    25    10   -60   .18   22   21 |   21274    -121   3538   6027
esx  n/a|   -1    -1    -3   -39    22    89  -.09   22   21 |   14409      23   3534   6090
gfz  n/a|    0    -1    -1    31    31    65   .14   20   19 |       0     881   3534   5815
grg  n/a|    0     2     0   -19    -9   174  -.34   36   34 | -787772     738   3556 755830
iac  n/a|    0     1    -2   -24   -17  -156  -.25   21   21 |   17841   -2237   3549   6451
mcc  n/a|    1    -3     5    10   -94   185  -.08  115  115 |     ---     ---    ---    ---

Table 2.1851.3  GPS week: 1851   Day: 3   MJD: 57204                            

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]
--------+----------------------------------------------------+------------------------------
cod  n/a|    0    -1     2    12   -45   -45   .29   42   34 |     ---     ---    ---    ---
cof  n/a|    0    -1     4     0     4   -15   .32   48   35 |     ---     ---    ---    ---
emx  n/a|    0     0     4    48     0   -78   .11   23   21 |   12910    1824   3864   5919
esx  n/a|    0     0    -3   -52    24    45  -.18   25   23 |   15160    2537   3859   6552
gfz  n/a|    0     2     0     4    36    30   .16   21   18 |       0    1384   3789   5428
grg  n/a|   -2    -3     6   -12     2   111  -.37   68   36 | -781357    2235   3873 701804
iac  n/a|    1    -1    -2    14   -19   -31  -.22   21   21 |   17265      58   3866   5533
mcc  n/a|   -2     4   -21   158    31   -39  -.56  156  156 |     ---     ---    ---    ---

Table 2.1851.4  GPS week: 1851   Day: 4   MJD: 57205                            

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]
--------+----------------------------------------------------+------------------------------
cod  n/a|   -2    -1    -3    53   -42   -11   .36   43   44 |     ---     ---    ---    ---
cof  n/a|   -3    -2    -3    30   -50   -32   .26   50   47 |     ---     ---    ---    ---
emx  n/a|   -2    -1     7    31   -40  -116   .19   28   28 |    9976    1317   3763   8109
esx  n/a|    1     0    -2    -9    18    27  -.04   22   20 |    8304    2345   3766   8271
gfz  n/a|    0     0    -1     0    73    11   .08   21   18 |       0    1641   3688   7033
grg  n/a|    0     2     6   -18   -23    64  -.31   37   34 | -759361    1046   3762 695483
iac  n/a|    1    -1    -1    -1   -35    14  -.23   19   19 |   17040     477   3771   7604
mcc  n/a|   -7    10   -42    76   -67  -152  -.04  161  161 |     ---     ---    ---    ---

Table 2.1851.5  GPS week: 1851   Day: 5   MJD: 57206                            

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]
--------+----------------------------------------------------+------------------------------
cod  n/a|    0     0    -3    68   -83    41   .30   36   28 |     ---     ---    ---    ---
cof  n/a|   -1     0    -6    49   -90    49   .28   38   29 |     ---     ---    ---    ---
emx  n/a|   -3    -1     6   -33   -34   -48   .15   27   25 |   15213   -1304   4010   6913
esx  n/a|    0     2     0   -28    43    16  -.06   21   18 |   11815   -2577   3919   7678
gfz  n/a|    0     0     0     3    60    50   .04   20   15 |       0    -858   3489   6533
grg  n/a|    1    -2     2    27   -14    26  -.43   37   33 | -750542   -1887  16990 687686
iac  n/a|    0     1    -1     0   -25   -87  -.22   23   23 |   15883    -831   4022   6792
mcc  n/a|  -11     2     6    82  -109  -351  -.54  186  186 |     ---     ---    ---    ---

Table 2.1851.6  GPS week: 1851   Day: 6   MJD: 57207                            

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]
--------+----------------------------------------------------+------------------------------
cod  n/a|    0     1    -2    38   -96    -5   .35   38   29 |     ---     ---    ---    ---
cof  n/a|   -2     1    -4    12   -74    12   .24   42   30 |     ---     ---    ---    ---
emx  n/a|    0    -4     6     6   -10   -26   .15   25   25 |   22009    2011   4112   7461
esx  n/a|   -2    -2     0   -60    26     5   .01   19   18 |   19201    2776   4110   8958
gfz  n/a|   -1     0    -2   -44    37   103   .19   22   18 |       0    1830   6400  74564
grg  n/a|    1     7    -3     7    20    97  -.41   47   30 | -767208     696  24018 707135
iac  n/a|    0     0     0    35    29   -89  -.26   16   16 |    9195     320   6368  72773
mcc  n/a|   12   -11    30   134   167  -807  -.73  212  212 |     ---     ---    ---    ---

       
       
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 3.1851.0  GPS week: 1851   Day: 0   MJD: 57201                            

        Weighted Average                                  Orbit Dynamics (7 days)
 PRN  |  brd  cod  cof  emx  esx  gfz  grg  iac  mcc  IGL |   cod  cof  emx  esx  gfz  grg  iac  mcc   IGL
------+---------------------------------------------------+-----------------------------------------------
 R01  | 1216   31   24   20   23   14   32   17  ---   10 |    45   62   67   47   58   79   69  ---    58
 R02  | 1520   14   14   23   14   27   16   24  134    9 |    59   60   66   49   48   52   66   60    55
 R03  | 1756   20   25   23   11   13   29   14  ---    8 |    58   59   67   69   64   53   67  ---    63
 R04  | 1078   11   13   22   13   12   17   12  ---    6 |    60   60   66   52   57   59   51  ---    55
 R05  | 1215   27   33   27   31   23   65   19  ---   14 |    59   68   66   41   55   67   49  ---    52
 R06  |  839   21   25    9   33   12   29   21  ---    9 |    46   47   58   71   61   67   55  ---    56
 R07  |  587   15   17   15   12    6   26    8  266    6 |    64   63   68   55   61   54   62   27    60
 R08  | 1168   18   19   25   20   13   22    9  ---    8 |    57   61   63   58   52   61   57  ---    56
 R09  |  723   22   34   42   34   28   37   13  ---   13 |    39   45   35   41   34   28   32  ---    28
 R10  | 1445   14   16   15   31   13   20   13  ---    8 |    27   25   24   42   26   26   27  ---    25
 R11  |  909  137  146   36   13   43   52   22  ---   24 |   112  119   29   32   61   55   43  ---    32
 R12  |  946  183  183   65   24   41   48   18  126   20 |   136  129   31   35   61   49   44   38    37
 R13  | 1533   33   37   15   16   18   26   14  ---    8 |    43   48   34   32   23   30   28  ---    25
 R14  | 1381   40   37   66   42   29   36   33  ---   19 |    24   37   27   55   44   42   31  ---    27
 R15  | 5273   16   22   19   24   22   21    9  ---    8 |    31   35   29   42   29   21   26  ---    27
 R16  | 2290   30   31   20   17   22   17   11  ---    8 |    36   39   25   34   25   25   25  ---    24
XR17E | 1024   46   47   53   36  ---   24   35  ---   20 |    37   44   26   49  ---   40   30  ---    29
 R18E | 2639   32   36   19   11   21   36   15  161    9 |    37   40   34   31   39   28   29   39    28
 R19E | 1056   32   38   26   11   18   28   16  ---    9 |    53   59   42   39   38   34   39  ---    37
 R20E | 1367   41   49   33   24   30   30   30  ---   14 |    46   70   45   60   50   61   43  ---    42
 R21E | 2732   31   38   23   13   16   29   11   97    8 |    38   43   25   30   28   23   29   22    24
 R22E | 1154   31   33   22   22   25   99   13  ---   16 |    38   42   30   41   38   45   35  ---    31
 R23E | 2565   22   24   27   17   12   20   30  ---   10 |    38   42   39   36   38   36   34  ---    33
 R24E | 1219   39   44   18   20   21   26   23  ---   10 |    50   63   41   46   46   38   33  ---    37
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1869   54   57   30   22   23   38   19  167      |T   51   56   43   45   45   44   41   37    39
 WRMS | 1869   39   42   27   20   17   33   19  167      |NE  56   59   47   47   47   48   45   41    42
 MEDI | 1216   30   33   23   20   21   28   15  134      |MD  45   48   35   42   46   42   35   38    33

Table 3.1851.1  GPS week: 1851   Day: 1   MJD: 57202                            

        Weighted Average                                  Orbit Dynamics (7 days)
 PRN  |  brd  cod  cof  emx  esx  gfz  grg  iac  mcc  IGL |   cod  cof  emx  esx  gfz  grg  iac  mcc   IGL
------+---------------------------------------------------+-----------------------------------------------
 R01  | 1211   25   48   31   29   12   42   11  ---   10 |    32   22   54   28   41   68   41  ---    37
 R02  | 2343   13   12   17   11    9   22   12   86    6 |    37   43   41   40   39   31   38   45    36
 R03  | 2121   16   16   29   12   12   12   23  ---    8 |    33   39   35   33   40   47   49  ---    38
 R04  | 1069   14   16   11   12   10   14   15  ---    5 |    37   38   33   42   31   43   28  ---    32
 R05  | 1204   31   33   29   36   19   67   19  ---   14 |    35   33   31   37   21   37   29  ---    20
 R06  | 1273   28   30   28    8   19   22   17  ---    9 |    81   78   87   82   84  110   88  ---    83
 R07  | 1092   13   20   11    6    9   64   14  179    9 |    39   45   37   39   38   30   45   22    35
 R08  | 1291   16   11   18   13   16   15   10  ---    6 |    39   29   39   25   24   35   37  ---    30
 R09  |  620   33   28   32   28   21   40   19  ---   12 |    25   36   39   33   27   26   26  ---    21
 R10  | 2703   11   24   12   18    8   32   11  ---    6 |    23   25   23   32   28   27   20  ---    22
 R11  | 1028  131  112   33   14   35   48   24  ---   23 |    90   75   34   31   42   49   32  ---    28
 R12  | 1019  178  188   58   26   35   38   24  125   17 |   109  117   25   31   63   45   34   27    37
 R13  | 1190   26   24   30   17   20   33   13  ---    9 |    33   30   30   28   20   27   26  ---    18
 R14  | 1163   30   31   65   33   21   60   32  ---   17 |    22   29   31   51   31   49   35  ---    27
 R15  | 6559   17   24   18   28   20   24   13  ---    9 |    26   34   33   46   33   22   27  ---    28
 R16  | 2047   30   25   32   24   28   33   16  ---   11 |    27   30   37   33   34   28   23  ---    24
XR17E | 1372   47   48   45   32  ---   43   28  ---   18 |    26   58   30   57  ---   25   43  ---    35
 R18E | 2270   31   44   17   18   13   30   10  135    8 |    39   51   28   29   19   27   22   60    21
 R19E | 1264   39   43   21   13   18   30   12  ---    9 |    54   57   36   34   39   29   30  ---    32
 R20E | 1312   40   45   42   15   26   34   21  ---   12 |    40   48   44   46   46   45   26  ---    33
 R21E | 2560   32   29   24   14   14   20   13   88    8 |    40   38   34   30   26   31   27   23    27
 R22E | 1388   29   32   18   13   16   55    9  ---   10 |    38   38   33   31   36   47   35  ---    32
 R23E | 2192   21   27   18   16   10   25    9  ---    7 |    29   29   35   38   35   26   27  ---    30
 R24E |  870   23   32   30   18   24   25   21  ---   10 |    27   35   32   34   40   35   20  ---    23
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 2093   52   54   30   20   20   37   17  127      |T   40   44   36   37   36   39   33   35    31
 WRMS | 2093   38   39   27   20   13   32   17  127      |NE  43   43   38   38   37   42   36   31    32
 MEDI | 1273   28   29   28   16   18   32   14  125      |MD  35   38   34   33   35   31   29   27    30

Table 3.1851.2  GPS week: 1851   Day: 2   MJD: 57203                            

        Weighted Average                                  Orbit Dynamics (7 days)
 PRN  |  brd  cod  cof  emx  esx  gfz  grg  iac  mcc  IGL |   cod  cof  emx  esx  gfz  grg  iac  mcc   IGL
------+---------------------------------------------------+-----------------------------------------------
 R01  | ----   23   27   26   33    8   17   15  ---    9 |    36   43   53   34   40   34   42  ---    37
 R02  | ----   14   16   18   13   10   16   10  109    6 |    49   53   63   46   49   51   56   92    51
 R03  | ----   24   25   21   12   13   15   14  ---    7 |    48   51   50   59   63   71   60  ---    57
 R04  | ----   11   18   17   12   15   13   15  ---    6 |    47   55   49   43   53   51   42  ---    46
 R05  |>>>>>   18   19   24   17   12   31   20  ---    9 |    36   31   52   48   44   39   33  ---    40
 R06  |>>>>>   14   23   24   26   30   41   53  ---   15 |   125  124  110  136  138  101   88  ---   117
 R07  |>>>>>   19   16   11   12    9   22   12  135    6 |    55   49   41   48   47   48   54   51    47
 R08  | ----   17   24   14   12   10   31    9  ---    6 |    45   52   40   37   30   27   35  ---    33
 R09  |>>>>>   22   26   22   28   19   42   20  ---   11 |    25   32   23   39   33   28   30  ---    25
 R10  | ----   20   19   23   22   14   20   15  ---    8 |    25   31   31   34   25   53   27  ---    23
 R11  | ----  106  109   27   33   38   59   30  ---   23 |    83   84   28   30   46   47   33  ---    26
 R12  |>>>>>  162  161   37   24   25   61   26  123   17 |   110  108   38   29   42   56   37   49    34
 R13  |>>>>>   27   23   11   15   19   23   12  ---    8 |    42   38   25   35   22   25   31  ---    26
 R14  |>>>>>   27   30   30   35   22   65   26  ---   15 |    29   49   37   52   37   24   53  ---    31
 R15  |>>>>>   18   22   16   22   25   37   13  ---    9 |    25   27   28   34   33   24   26  ---    25
 R16  | ----   25   26   24   28   23   23   17  ---   10 |    31   32   25   42   32   26   29  ---    25
XR17E | ----   40   39   38   33  ---   79   26  ---   21 |    32   50   37   50  ---   56   36  ---    25
 R18E |>>>>>   18   31   15   11   16   33   10  131    7 |    31   43   33   36   32   45   31   83    30
 R19E |>>>>>   32   40   17   12   20   25   20  ---    9 |    50   55   30   32   37   39   24  ---    30
 R20E |>>>>>   31   36   26   24   23   51   21  ---   12 |    27   33   19   28   27   52   22  ---    14
 R21E |>>>>>   26   22   21   12   16   24   22   59    9 |    40   42   43   38   36   38   34   38    34
 R22E |>>>>>   26   28   20   17   18   49   24  ---   11 |    36   38   39   31   39   55   30  ---    30
 R23E | ----   25   20   21   27    9   20   14  ---    9 |    31   36   44   42   34   38   28  ---    32
 R24E |>>>>>   19   20   19   22   25   33   26  ---   10 |    36   37   35   44   56   30   18  ---    32
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   45   47   22   22   20   36   21  115      |T   45   49   40   43   43   44   37   62    36
 WRMS |>>>>>   34   35   21   21   19   34   21  115      |NE  50   53   43   46   45   44   42   64    40
 MEDI |>>>>>   23   24   21   22   18   31   17  123      |MD  36   43   37   38   37   39   33   51    31

Table 3.1851.3  GPS week: 1851   Day: 3   MJD: 57204                            

        Weighted Average                                  Orbit Dynamics (7 days)
 PRN  |  brd  cod  cof  emx  esx  gfz  grg  iac  mcc  IGL |   cod  cof  emx  esx  gfz  grg  iac  mcc   IGL
------+---------------------------------------------------+-----------------------------------------------
 R01  | 1031   31   27   26   19   30   30   22  ---   11 |    47   63   62   53   64   42   55  ---    52
 R02  |  869   14   20   14   23   15   25   20  135    8 |    48   43   49   34   39   48   57  115    43
 R03  | 1277   38   36   18   30   13   22   11  ---   10 |    50   55   61   89   77   66   74  ---    70
 R04  |  918   12   14   15   22   10   23   13  ---    7 |    60   60   68   48   57   47   60  ---    56
 R05  | ----   17   29   26   36   12   47   23  ---   12 |    48   63   51   53   45   61   39  ---    41
 R06  | 1432   16   13   11   13   12  240   13  ---    6 |    74   80   82   82   79  244   78  ---    79
 R07  |  822   10   18   20   15   15   14   11  142    6 |    60   69   59   48   63   70   57   44    57
 R08  | 1626   15   12    8   16   15   43   16  ---    8 |    55   54   52   49   63   52   45  ---    49
 R09  |  915   27   28   38   40   25   41   26  ---   14 |    29   43   45   54   42   32   40  ---    32
 R10  | 2199   13   20   29   21   18  132   13  ---   18 |    28   24   42   41   26   94   33  ---    33
 R11  |  978  119  114   36   15   36   54   31  ---   23 |    92   88   36   36   49   56   40  ---    31
 R12  | 1114  122  113   31   23   33   49   33  105   23 |   106   97   26   26   40   43   39   41    27
 R13  |>>>>>   39   46   21   29   18   29   15  ---   11 |    49   56   22   40   25   33   32  ---    26
 R14  |>>>>>   28   26   28   34   19   53   31  ---   13 |    39   42   39   61   42   48   43  ---    38
 R15  |>>>>>   18   22   14   21   19   31   17  ---    8 |    26   29   28   41   33   23   34  ---    28
 R16  | 1312   19   19   22   28   11   25   19  ---    9 |    27   26   23   35   26   23   30  ---    23
XR17E | 1250   43   34   34   46  ---   51   22  ---   19 |    24   54   28   66  ---   32   39  ---    31
 R18E | 2631   18   21   16   13   15   72   12  250   11 |    33   39   25   33   29   90   28   48    29
 R19E | 1236   27   26   13   12   15   23   13  ---    7 |    59   61   55   52   50   58   48  ---    50
 R20E |  923   40   85   20   21   26   38   26  ---   12 |    40   86   31   33   32   45   22  ---    20
 R21E | 1647   23   24   21   14   16   20   17   98    8 |    27   26   28   25   26   29   21   65    21
 R22E |  800   26   18   22   22   18   28   20  ---    9 |    40   39   28   43   35   37   36  ---    32
 R23E | 2107   21   66   25   38   16   30   29  ---   12 |    27   71   33   53   35   43   20  ---    28
 R24E | 1079   22   63   31   33   40   52   26  ---   15 |    31   84   43   63   70   31   27  ---    38
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   42   48   23   25   21   68   21  156      |T   46   56   42   48   45   56   41   62    38
 WRMS |>>>>>   34   35   21   23   18   36   21  156      |NE  52   55   46   49   48   61   47   66    42
 MEDI | 1250   22   26   21   22   16   31   19  135      |MD  40   55   39   48   42   45   39   48    32

Table 3.1851.4  GPS week: 1851   Day: 4   MJD: 57205                            

        Weighted Average                                  Orbit Dynamics (7 days)
 PRN  |  brd  cod  cof  emx  esx  gfz  grg  iac  mcc  IGL |   cod  cof  emx  esx  gfz  grg  iac  mcc   IGL
------+---------------------------------------------------+-----------------------------------------------
 R01  | 1273   29   36   17   21   28   20   19  ---   10 |    45   54   50   52   58   48   47  ---    46
 R02  |  898   18   21   20   11   14   23    8  121    6 |    44   49   42   39   36   48   41   55    38
 R03  |  777   29   35   15   14   14   17   11  ---    7 |    41   41   55   52   49   56   49  ---    49
 R04  |  989   13   11   18   20   12   14   12  ---    6 |    46   47   51   43   57   56   64  ---    52
 R05  | 1826   13   19   25   35   11   52   20  ---   12 |    46   45   50   40   57   78   53  ---    49
 R06  | 1180   16   15   21   16    8   35   12  ---    8 |    55   58   63   72   58  133   61  ---    63
 R07  |  969   15   14   18    8   13   50   18  109    9 |    54   47   56   51   47   88   41   30    50
 R08  |  788   13   18   19   15    5   17    9  ---    5 |    47   51   46   40   43   43   43  ---    41
 R09  | 1194   31   30   51   34   19   62   28  ---   16 |    40   37   33   45   34   43   40  ---    29
 R10  | 1474   16   16   22   26   16   21    8  ---    8 |    25   29   32   47   28   50   32  ---    30
 R11  |  844  123  130   49   26   36   57   36  ---   24 |    88   92   47   48   54   53   43  ---    31
 R12  | 1543  122  130   45   22   34   54   34   77   24 |    96   95   38   32   46   44   33   21    27
 R13  | 2598   34   58   14   23   14   33   12  ---    9 |    56   76   31   40   33   21   28  ---    30
 R14  | 1881   29   40   35   34   31   53   34  ---   15 |    38   52   33   44   50   42   30  ---    30
 R15  | 3500   20   22   23   23   26   26   10  ---    9 |    28   30   31   40   33   25   26  ---    26
 R16  |  779   29   31   24   24   18   31   12  ---   10 |    32   37   31   38   31   28   31  ---    27
XR17E | 1535   41  169   41   56  ---   39   34  ---   21 |    38  177   35   78  ---   44   45  ---    39
 R18E | 2834   19   23   14   15   14   19   12  294    6 |    25   25   29   31   28   30   31   47    25
 R19E | 1010   18   23   18   12   15   21   17  ---    7 |    42   41   39   34   34   45   33  ---    33
 R20E | 2040   23   37   22   20   28   27   21  ---   10 |    35   55   37   36   46   43   32  ---    32
 R21E | 1437   27   31   36   17   21   38   13  107   11 |    32   40   44   41   35   44   36   31    33
 R22E | 1755   29   32   19   17   14   30   15  ---    8 |    36   37   32   32   32   38   30  ---    28
 R23E | 1768   25   35   30   14   23   44   15  ---   11 |    44   57   31   43   44   63   35  ---    37
 R24E | 1000   27   84   43   29   27   37   28  ---   14 |    40  101   47   56   55   30   29  ---    35
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1650   43   50   28   22   21   37   19  161      |T   44   57   40   44   42   49   38   36    36
 WRMS | 1650   44   47   28   20   18   34   19  161      |NE  48   52   43   45   44   53   41   35    38
 MEDI | 1273   25   31   22   20   16   31   15  109      |MD  41   47   38   41   44   44   35   31    33

Table 3.1851.5  GPS week: 1851   Day: 5   MJD: 57206                            

        Weighted Average                                  Orbit Dynamics (7 days)
 PRN  |  brd  cod  cof  emx  esx  gfz  grg  iac  mcc  IGL |   cod  cof  emx  esx  gfz  grg  iac  mcc   IGL
------+---------------------------------------------------+-----------------------------------------------
 R01  | 1283   26   26   19   18   17   29   26  ---   10 |    43   40   49   31   34   45   48  ---    37
 R02  | 1283   21   20   20   19   16   34   19  148    9 |    39   39   37   42   31   32   36   40    32
 R03  |  570   19   20   17   26   13   61   18  ---   11 |    35   33   46   59   51   33   32  ---    39
 R04  |  808   11   13   13   15    9   30   12  ---    6 |    35   30   35   44   28   37   37  ---    33
 R05  | 1167   17   10   46   25   19   60   28  ---   14 |    47   52   82   61   65   44   49  ---    55
 R06  | 2160   15   24   14   13    6   11   11  ---    5 |    54   59   57   62   56   79   56  ---    57
 R07  | 1314   25   28   18   20   14   27   14  100    8 |    41   42   32   19   33   39   30   19    28
 R08  | 1117   13   12   15   17   11   20   13  ---    6 |    36   32   36   39   33   44   26  ---    32
 R09  | 1570   33   29   45   26   14   36   36  ---   14 |    34   44   32   40   34   60   39  ---    28
 R10  |  987   11   15   14   21   16   24   14  ---    7 |    23   27   25   32   23   39   26  ---    21
 R11  |  850  127  127   45   35   46   54   44  ---   27 |    88   92   49   57   48   35   41  ---    32
XR12  | 9610  131  136   36  ---   70   45   52   97   36 |    94   98   42  ---   74   45   41   23    34
 R13  | 3673   30   13   34   16   19   33   13  ---   10 |    40   29   30   37   30   37   26  ---    26
 R14  | 1678   44   38   53   32   38   55   45  ---   19 |    36   47   54   46   54   37   26  ---    34
 R15  | 4760   16   17   18   29   21   29   27  ---   10 |    37   41   35   48   43   27   19  ---    30
 R16  | 1165   26   33   16   15   17   45   12  ---    9 |    33   43   29   27   28   29   25  ---    22
XR17E | 1430   30   34   51   38  ---   37   39  ---   20 |    35   58   34   67  ---   39   41  ---    37
 R18E | 2887   17   29   12   14   13   20   11  292    6 |    27   34   26   25   29   32   25   43    24
 R19E |  889   23   16   21   10   13   35    9  ---    8 |    29   24   27   30   27   35   19  ---    22
 R20E |  984   27   38   35   17   20   34   24  ---   11 |    31   42   57   44   45   27   38  ---    36
 R21E | 1652   26   23   18   14   16   29   12  147    8 |    40   41   39   38   34   31   30   34    31
 R22E |  925   33   62   19   18   14   21   12  ---    8 |    38   59   35   34   35   33   27  ---    29
 R23E |  986   22   31   15   17   21   19   23  ---    9 |    47   54   38   52   48   45   21  ---    38
 R24E | 1766   26   27   31   26   19   44   25  ---   12 |    35   40   41   43   32   29   28  ---    27
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1853   36   38   27   21   20   37   23  186      |T   41   45   40   42   39   38   32   31    32
 WRMS | 1853   28   29   25   18   15   33   23  186      |NE  44   46   41   42   41   41   34   27    33
 MEDI | 1283   25   26   19   18   16   33   18  147      |MD  36   41   36   42   34   37   30   34    32

Table 3.1851.6  GPS week: 1851   Day: 6   MJD: 57207                            

        Weighted Average                                  Orbit Dynamics (7 days)
 PRN  |  brd  cod  cof  emx  esx  gfz  grg  iac  mcc  IGL |   cod  cof  emx  esx  gfz  grg  iac  mcc   IGL
------+---------------------------------------------------+-----------------------------------------------
 R01  | 7838   22   17   32   19   35   35   16  ---   11 |    51   61   81   79   79   83   79  ---    72
 R02  | 4987   16   20   18   15   12   22   11  189    6 |    60   60   47   47   45   40   56   60    48
 R03  | 8804   14   16   12   18   13   48   17  ---    9 |    53   58   62   67   62   45   66  ---    59
 R04  | 6394   15   18   10   17   16   34   16  ---    8 |    63   65   59   55   57   43   58  ---    55
 R05  | 3720   26   30   21   18   17   38   11  ---    9 |    59   54   88   83   69   77   66  ---    71
 R06  | 4780   23   25    9   21    8   24    8  ---    7 |    61   63   75   85   72   84   75  ---    73
 R07  | 4386   12   13   15   10   19   20   14  139    6 |    69   69   60   64   70   69   59   32    63
 R08  | 5714   18   18   17   17   18   24    7  ---    7 |    58   55   57   51   49   54   51  ---    51
 R09  | 9629   26   21   35   27   38   69   23  ---   15 |    38   38   36   45   39   44   42  ---    32
 R10  | 4780   21   22   18   21   10  160    9  ---    8 |    29   32   25   44   29   74   34  ---    30
 R11  | 5311  147  150   44   21   22   32   22  ---   14 |   105  109   29   46   58   51   49  ---    42
XR12  | 9607  164  200  ---  ---   43   70   16  112   28 |   121  166  ---  ---   71   60   46   29    46
 R13  | 7158   17   24   28   15   14   16   15  ---    8 |    46   46   37   39   29   29   27  ---    29
 R14  |14269   35   19   40   36   47   20   29  ---   16 |    32   51   36   79   78   37   32  ---    45
 R15  |11639   22   30   22   18   20   17   10  ---    8 |    45   55   40   49   38   32   31  ---    36
 R16  |11661   23   16   23   19   14   28   17  ---    9 |    49   45   31   43   35   25   33  ---    33
XR17E | 5731   36   23   34   34  ---   33   29  ---   16 |    31   42   33   58  ---   40   33  ---    31
 R18E | 4810   25   23   24   18   16   32   11  307    9 |    32   33   39   27   22   34   28   61    25
 R19E |10347   24   23   13   11   16   32   11  ---    7 |    37   35   28   29   29   32   25  ---    25
 R20E |14260   29   63   35   20   23   32   24  ---   12 |    47   74   60   46   50   47   34  ---    41
 R21E |18063   25   35   18   14   18   25   12  174    8 |    33   43   25   27   22   19   17   35    18
 R22E | 9186   26   26   26   11   24   40   10  ---   10 |    37   37   38   30   35   46   29  ---    29
 R23E | 4700   22   42   17   25   14   27   18  ---    9 |    47   64   53   60   59   45   40  ---    49
 R24E | 7931   24   38   27   16   26   36   24  ---   11 |    31   41   38   36   30   30   26  ---    24
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 9026   38   42   25   19   22   47   16  212      |T   51   58   46   51   49   47   43   43    42
 WRMS | 9026   29   30   25   18   18   30   16  212      |NE  58   64   50   58   55   52   50   40    49
 MEDI | 7158   23   23   22   18   18   32   15  174      |MD  47   54   39   47   49   44   34   35    41




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