[IGSREPORT-23821] Wk 1856 IGLOS Final Orbits

IGS ACC igs.acc at noaa.gov
Sun Aug 23 07:35:17 PDT 2015


Author:   AC Coordinator / NOAA NGS                                               
sum-file Version 2.0
                                                                               
IGLOS Orbit Combination - Week 1856   (Aug 02, 2015 - Aug 08, 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 2.1856.
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:
                                                                               
 igl1856[0-6].sp3  IGLOS-PP Glonass ephemerides files for days 0-6
                   of GPS Week 1856 in the SP3 format.
 igl18567.sum      Combination Report for GPS Week 1856.


    
    
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  |      7.6 ns
                1  |     16.6 ns
                2  |     16.3 ns
                3  |     13.3 ns
                4  |     18.0 ns
                5  |     12.9 ns
                6  |     14.0 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
               ----+--------+---------------
                2  |  GRG   | 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 1.1856, 1a.1856).
        
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 2.1856.0-6)                                                                                
    
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 3.1856.0-6). 
        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 1856 summary.                      (Aug 02, 2015 - Aug 08, 2015)

Table 1.1856.a     GPS week : 1856   MJD: 57236.0-57242.0

         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|   -2     0    -1    31   -41   -12   .40   34   31 |     ---     ---    ---    ---
        |    1     1     2    20    34    41   .04           |     ---     ---
cof  n/a|   -2     0    -2    40   -32    -9   .39   38   33 |     ---     ---    ---    ---
        |    1     1     1    25    44    33   .06           |     ---     ---
emx  n/a|    0     0     3     4   -58   -15   .26   27   25 |    9571     -93   4485   7282
        |    2     1     2    23    24    42   .04           |    5120    2099
esx  n/a|    0    -1    -1    14    19    21  -.17   22   18 |   14838    -191   4492   7847
        |    1     0     2    18    11    35   .06           |    8604    3336
gfz  n/a|    0     0     4    17    92    63   .05   23   17 |       0     283   4142   6837
        |    1     1     2    26    23    28   .09           |       0    2299
grg  n/a|   -1     0     5    -7    27   -24  -.34   40   32 | -723162    -237   5063 708266
        |    1     1     4    41    38    21   .04           |  115060    2890
iac  n/a|    1     0    -8   -40   -44   -50  -.15   20   20 |   15183     231   4478   7256
        |    0     0     1    26    31    59   .05           |    4208    2490
mcc  n/a|   -1     4    -1     7   -59  -261   .27  160  160 |     ---     ---    ---    ---
        |   10     8    18    59    89   451   .27           |     ---     ---


Table 1.1856.b     GPS week : 1856   MJD: 57236.0-57242.0   

         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  |    9   14   12    8    8    9   10 |
 R02  |    7    6    8    8    8    7    7 |
 R03  |   11    7    8    9    8    7    7 |
 R04  |    7    7    6    5    6    7    6 |
 R05  |   11   12   14   11   15   14   16 |
 R06  |    7    9    9   10    9    9    9 |
 R07  |    7    8    8    7    7    7    8 |
 R08  |    8    9   11    8    7    6    7 |
 R09  |   17   13   16   16   15   12   12 |
 R10  |   10    9    7    8    9   10   11 |
 R11  |   16   20   18   15   18   20   16 |
 R12  |   18   18   20   19   17   16   21 |
 R13  |    9    9   11    8    9    8    9 |
 R14  |   20   22   18   18   15   15   18 |
 R15  |    8   11    9    8    9   10   10 |
 R16  |   10    8    9    9    9    9    9 |
 R17  |   23   20   26   24   22   24   22 |
 R18  |    9   10   11   10   10   10    9 |
 R19  |   11   10   10   11   10   11   11 |
 R20  |   15   16   15   18   15   14   15 |
 R21  |   12   12   10   11   11   12   12 |
 R22  |   13   12   12   12   11   13   13 |
 R23  |   10    9   10    8    9    9   10 |
 R24  |   16   15   14   12   13   14   15 |


Table 1.1856.c     GPS week : 1856   MJD: 57236.0-57242.0   

         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 1856 0   |29830  4521   -82   11560  -25220  -58760  72.3 >>>>> >>>>> |    7582       0
brd 1856 1   |70060  3528 -9917   19340 -200500 -106500  51.4 >>>>> >>>>> |   16592       0
brd 1856 2   | -101  -775 -1535   -3304   -8336   43760  64.9 >>>>> >>>>> |   16330       0
brd 1856 3   |21340   716 -3761  -14430 -136000  -11070  93.8 >>>>> >>>>> |   13293       0
brd 1856 4   |   16  -737  -134   -7397   -4000   13120  86.2 >>>>> >>>>> |   18015       0
brd 1856 5   |   61   -79 29310    4418    6473    7311 132.4 >>>>> >>>>> |   12929       0
brd 1856 6   |29160   560 -1214   13810  -37070   -2470  92.2 >>>>> >>>>> |   13959       0
-------------+------------------------------------------------------------+----------------
brd 1856 mean|21480  1104  1809    3428  -57807  -16372  84.8 >>>>> >>>>> |   14100       0
brd 1856 sdev|25409  2094 12599   12311   78995   50311  26.0 32801 32801 |    3440       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 2.1856.0  GPS week: 1856   Day: 0   MJD: 57236                            

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    -2    48   -81   -42   .45   36   29 |     ---     ---    ---    ---
cof  n/a|   -2     0    -1    72   -89    -2   .30   40   30 |     ---     ---    ---    ---
emx  n/a|    1    -1     3    -7   -45     8   .33   23   23 |    8636   -1011   3902   6444
esx  n/a|   -1    -1     0    28    26   -26  -.22   20   17 |   -3242     778   3911   8005
gfz  n/a|    0     0     2    20   118    31  -.04   24   17 |       0    -446   3809   6970
grg  n/a|   -1    -1     5    17    71   -53  -.33   40   34 | -766216    1099   3725 774518
iac  n/a|    0     2    -9   -65   -61    11  -.15   22   22 |    5692    2810   3911   6317
mcc  n/a|   -9    11    18    58   -36 -1031   .48  174  174 |     ---     ---    ---    ---

Table 2.1856.1  GPS week: 1856   Day: 1   MJD: 57237                            

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     0    21   -73   -10   .43   33   30 |     ---     ---    ---    ---
cof  n/a|    0     1     0     2   -77   -35   .33   39   34 |     ---     ---    ---    ---
emx  n/a|    1     0     7   -24   -67   -69   .29   25   22 |    8249   -2192   5754   9612
esx  n/a|    0     0    -4   -18    17    25  -.23   25   18 |   22366   -2849   5746  10549
gfz  n/a|   -1     1     0   -17    98    74  -.11   25   16 |       0    -141   4804   8199
grg  n/a|   -2     0     9    49    63   -42  -.30   35   29 | -731514   -2430   5500 693941
iac  n/a|    1     0    -9   -11   -29    19  -.10   23   23 |   16909   -2170   5759   9277
mcc  n/a|    2     5    20   -60     9  -143   .55  176  176 |     ---     ---    ---    ---

Table 2.1856.2  GPS week: 1856   Day: 2   MJD: 57238                            

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     4    -3    45   -61     1   .40   36   32 |     ---     ---    ---    ---
cof  n/a|   -3     1    -2    35   -58    -3   .41   38   33 |     ---     ---    ---    ---
emx  n/a|   -2     2     0   -10  -104   -45   .24   26   25 |   13773    3419   5595   6956
esx  n/a|    2    -2    -2    13     8    68  -.20   23   19 |   20542    5633   5699   7092
gfz  n/a|   -1     0     6    12   120    93   .08   24   17 |       0    4011   5196   6648
grg  n/a|    0     0     5    36    14   -21  -.38   53   34 | -595120    5622  10224 640151
iac  n/a|    1     0    -5   -22    -1  -116  -.11   21   21 |   16864    3418   5599   7395
mcc  n/a|    1     2    13   -26  -144    18   .36  171  171 |     ---     ---    ---    ---

Table 2.1856.3  GPS week: 1856   Day: 3   MJD: 57239                            

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|   -5     0    -5    51   -42    -1   .42   34   30 |     ---     ---    ---    ---
cof  n/a|   -1     0    -5    54   -21    19   .44   36   32 |     ---     ---    ---    ---
emx  n/a|   -4     0     2    -3   -37   -27   .23   27   25 |    2379   -1128   4064   6389
esx  n/a|    2     0     0    25    36    27  -.13   19   15 |   14805   -2739   4041   5999
gfz  n/a|    0     1     5    36    81    84   .09   22   14 |       0   -1687   4049   5952
grg  n/a|    0     1     0   -38    13   -18  -.34   35   30 | -848262   -1341   4032 689003
iac  n/a|    1     0    -7   -56   -72   -88  -.12   21   21 |   17103   -1717   4037   6592
mcc  n/a|   -1     4   -11     5  -203   433   .39  157  157 |     ---     ---    ---    ---

Table 2.1856.4  GPS week: 1856   Day: 4   MJD: 57240                            

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    -2    44    -6   -85   .40   35   34 |     ---     ---    ---    ---
cof  n/a|    0     0    -3    67     3   -45   .44   37   35 |     ---     ---    ---    ---
emx  n/a|    0    -1     1    34   -48   -28   .25   28   26 |    6978    1949   3269   7472
esx  n/a|    0    -1     3     0    15    46  -.11   21   19 |   19955    2582   3273   8374
gfz  n/a|    0     0     7     8    64    37   .06   22   20 |       0    2994   3289   7260
grg  n/a|   -3     0     6   -51   -37   -38  -.34   33   29 | -833301   -1883   3265 744443
iac  n/a|    2     1    -9   -38   -26    -6  -.16   18   18 |   17130    1983   3277   6709
mcc  n/a|  -17    16   -24   111   -41  -403   .11  151  151 |     ---     ---    ---    ---

Table 2.1856.5  GPS week: 1856   Day: 5   MJD: 57241                            

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    17    13    48   .35   34   32 |     ---     ---    ---    ---
cof  n/a|   -4     0    -3    22    34    44   .35   38   34 |     ---     ---    ---    ---
emx  n/a|   -1    -2     7     9   -35    -5   .22   29   29 |    8600     269   4089   7883
esx  n/a|    0     0    -3    14    27    33  -.09   20   19 |   13736   -1614   4073   8762
gfz  n/a|    0    -1     3    -2   100    89   .14   21   18 |       0    -927   3488   7089
grg  n/a|    0    -1     9   -30    12   -10  -.40   39   33 | -541985    -194   3966 657966
iac  n/a|    1     1    -7   -10   -90  -118  -.23   18   18 |   15822    -172   4069   8273
mcc  n/a|   15    -4   -15     6    59  -448   .26  141  141 |     ---     ---    ---    ---

Table 2.1856.6  GPS week: 1856   Day: 6   MJD: 57242                            

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|   -3     0     2    -4   -34     4   .34   33   28 |     ---     ---    ---    ---
cof  n/a|   -2     2    -2    26   -19   -39   .47   36   31 |     ---     ---    ---    ---
emx  n/a|    1    -1     1    36   -69    61   .25   28   28 |   18382   -1959   4722   6223
esx  n/a|    0     0     0    35     1   -26  -.18   23   20 |   15704   -3134   4701   6152
gfz  n/a|    1    -1     5    64    63    32   .11   22   16 |       0   -1820   4364   5743
grg  n/a|   -3     2     0   -36    52    10  -.31   41   34 | -745737   -2533   4733 757846
iac  n/a|    0     0    -7   -75   -26   -51  -.18   20   20 |   16762   -2530   4696   6233
mcc  n/a|   -2    -8   -12   -39   -62  -257  -.24  151  151 |     ---     ---    ---    ---

       
       
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 3.1856.0  GPS week: 1856   Day: 0   MJD: 57236                            

        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  | ----   21   23   25   18   12   18   20  ---    8 |    67   72   83   76   79   76   66  ---    73
 R02  |>>>>>   12   16   16   12   10   20   16  137    6 |    65   60   72   67   64   60   64   52    65
 R03  |>>>>>   43   39   24   26   13   27   16  ---   11 |    52   57   76   99   87   79   85  ---    81
 R04  |>>>>>   12   12   13   10    9   29   19  ---    7 |    61   65   65   67   70   54   75  ---    67
 R05  |>>>>>   12   12   18   25   25   45   13  ---   10 |    66   71   69   64   82   58   67  ---    66
 R06  | ----   11   13    9   21   12   14   19  ---    7 |    44   46   55   65   48   47   39  ---    49
 R07  |>>>>>   19   19   16   11   20   18   13  180    7 |    72   70   89   78   80   78   73   76    77
 R08  |>>>>>   12   13   19   14   18   25   16  ---    7 |    71   70   82   62   73   63   66  ---    70
 R09E |>>>>>   40   35   36   25   29   71   31  ---   16 |    42   34   38   44   44   43   45  ---    33
 R10E |>>>>>   33   49   21   20   17   32   16  ---   10 |    40   57   35   44   40   28   31  ---    33
 R11E | ----   56   69   34   25   33   43   28  ---   15 |    70   78   50   71   68   58   43  ---    50
 R12E |>>>>>   61   59   44   21   37   61   32  147   18 |    64   65   60   65   75   66   48   36    54
 R13E |>>>>>   26   31   19   13   17   39   11  ---    8 |    44   50   29   38   38   34   29  ---    31
 R14E | ----   44   45   44   33   44   66   47  ---   20 |    54   52   44   44   76   42   41  ---    40
 R15E |>>>>>   26   38   17   16   16   18   14  ---    8 |    82   89   76   76   73   75   81  ---    76
 R16E | ----   26   35   20   15   19   32   19  ---    9 |    50   53   52   49   44   53   45  ---    45
XR17  |>>>>>   85  100   35   44  ---   38   28  ---   23 |    48   58   41   80  ---   52   77  ---    51
 R18  |>>>>>   30   31    9   19   19   37   13  267    9 |    51   52   29   34   30   16   30   35    27
 R19  | ----   45   45   13   13   27   31   16  ---   10 |    57   60   27   32   36   24   24  ---    25
 R20  |>>>>>   50   67   18   21   34   55   27  ---   14 |    61   73   47   53   57   34   38  ---    40
 R21  |>>>>>   55   57   18   13   20   33   23   80   11 |    64   67   35   35   32   28   30   68    29
 R22  |>>>>>   59   60   19   15   23   30   24  ---   12 |    70   70   30   33   27   20   25  ---    26
 R23  |>>>>>   23   25   20   26   19   20   19  ---    9 |    28   30   30   59   36   35   40  ---    36
 R24  |>>>>>   26   38   25   28   31   74   30  ---   15 |    37   52   36   43   44   29   44  ---    34
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   36   40   23   20   24   40   22  174      |T   56   60   52   57   56   48   50   53    49
 WRMS |>>>>>   29   30   23   17   17   34   22  174      |NE  57   60   54   59   56   47   52   57    51
 MEDI |>>>>>   26   35   19   19   19   32   19  147      |MD  57   60   47   59   57   47   44   52    45

Table 3.1856.1  GPS week: 1856   Day: 1   MJD: 57237                            

        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  |>>>>>   27   18   32   39   28   30   21  ---   13 |    39   46   45   43   52   63   35  ---    37
 R02  | ----   15   13   13   12    9   17   17  120    6 |    46   41   40   32   35   42   33   24    35
 R03  | ----   26   34   17   14   11   18   13  ---    7 |    31   29   45   49   46   56   48  ---    44
 R04  |>>>>>   13   14   11   20   15   15   16  ---    7 |    37   40   51   36   51   50   45  ---    44
 R05  | ----   25   26   18   27   25   39   21  ---   11 |    46   65   49   76   71   38   70  ---    59
 R06  | ----   14   24   11   31   14   28   12  ---    8 |    32   43   28   53   40   21   24  ---    31
 R07  | ----   16   13   23   10   13   16   16  154    7 |    44   50   66   52   53   60   42   29    51
 R08  |>>>>>   12   12   19   20   30   22   16  ---    9 |    43   42   52   41   30   47   49  ---    40
 R09E | ----   35   36   23   24   28   37   28  ---   13 |    38   46   35   38   48   54   47  ---    36
 R10E |>>>>>   25   25   19   21   13   29   16  ---    9 |    38   43   30   36   34   40   32  ---    30
 R11E |>>>>>   53   66   47   50   47   48   27  ---   20 |    66   76   45   81   74   63   44  ---    47
 R12E |>>>>>   58   69   39   35   34   50   33  232   18 |    57   69   69  102  100   71   56   21    69
 R13E | ----   32   43   20   14   16   22   16  ---    9 |    47   60   32   33   42   60   25  ---    34
 R14E |>>>>>   33   52   54   36   44   62   57  ---   22 |    51   80   54   77   91   76   43  ---    59
 R15E |>>>>>   28   45   24   26   27   26   16  ---   11 |    43   62   34   33   28   37   28  ---    26
 R16E |>>>>>   24   20   17   17   13   26   17  ---    8 |    40   45   40   41   40   31   42  ---    36
XR17  |>>>>>   69   86   24   46  ---   34   26  ---   20 |    37   49   35   63  ---   52   50  ---    38
 R18  |>>>>>   36   37   14   14   20   38   10  247   10 |    41   43   22   25   22   33   22   18    21
 R19  |>>>>>   43   49   14   12   21   25   14  ---    9 |    42   47   26   22   24   21   16  ---    19
 R20  |>>>>>   52   47   30   28   37   46   32  ---   16 |    47   45   36   41   44   32   33  ---    27
 R21  |>>>>>   40   51   18   14   23   43   21   47   11 |    35   45   21   27   29   29   24   28    21
 R22  |>>>>>   59   60   13   11   26   23   19  ---   12 |    48   49   19   23   32   20   21  ---    19
 R23  |>>>>>   15   19   22   23   14   22   16  ---    8 |    23   25   22   36   27   27   24  ---    22
 R24  |>>>>>   17   26   33   23   27   56   32  ---   14 |    33   43   54   35   44   53   30  ---    31
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   33   39   25   25   25   35   23  176      |T   41   49   39   45   45   44   36   24    36
 WRMS |>>>>>   30   34   22   18   16   29   23  176      |NE  39   43   38   40   40   40   35   24    33
 MEDI |>>>>>   27   34   19   21   23   28   17  154      |MD  41   45   36   38   42   42   33   24    35

Table 3.1856.2  GPS week: 1856   Day: 2   MJD: 57238                            

        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  |>>>>>   28   15   23   26   31   34   15  ---   11 |    52   39   38   53   59   75   51  ---    47
 R02  |>>>>>   11   18   13   14   11   26   21  104    7 |    54   63   51   42   56   60   52   41    50
 R03  |>>>>>   21   26   18   24   10   18   13  ---    7 |    47   46   47   68   57   46   48  ---    51
 R04  | ----   12   15    9   13   13   25   13  ---    6 |    45   46   52   45   61   59   46  ---    50
 R05  |>>>>>   29   22   30   25   16   56   33  ---   14 |    66   72   79   72   76   47   83  ---    72
 R06  | ----   27   21   26   19    8   19   21  ---    9 |    26   38   44   53   49   31   46  ---    42
 R07  | ----   27   36   14   15   12   14   20  188    7 |    55   59   71   74   76   69   52   61    65
XR08  |>>>>>   16   17   24  ---   25   25   17  ---   11 |    54   54   61  ---   73   38   41  ---    53
 R09E | ----   40   44   28   30   25   59   32  ---   15 |    47   54   61   68   62   39   42  ---    48
 R10E |>>>>>   18   26   14   15   12   27   12  ---    7 |    34   32   29   33   21   29   27  ---    25
 R11E |>>>>>   57   54   36   33   44   55   20  ---   17 |    62   65   35   61   67   59   45  ---    44
 R12E | ----   61   62   38   47   47   66   22  243   20 |    75   87   79   95  100   79   65   26    73
 R13E | ----   23   26   22   14   10   60   21  ---   11 |    49   48   49   44   41   53   32  ---    38
 R14E | ----   45   48   52   28   38   42   36  ---   18 |    50   54   53   44   54   44   58  ---    40
 R15E |>>>>>   33   42   14   19   24   21   14  ---    9 |    45   58   29   32   46   34   28  ---    30
 R16E | ----   33   35   16   14   15   30   13  ---    8 |    42   48   35   39   42   39   39  ---    36
XR17  |>>>>>   93   67   34   55  ---   39   33  ---   25 |    55   55   33   88  ---   57   63  ---    48
 R18  |>>>>>   35   37   19   20   27   36   11  201   10 |    41   44   28   28   24   25   22   25    19
 R19  | ----   48   41   24   14   18   29    9  ---   10 |    53   50   26   29   30   21   22  ---    23
 R20  |>>>>>   54   66   30   25   21   49   26  ---   14 |    65   71   32   42   34   33   31  ---    30
 R21  | ----   42   41   12   17   26   23   19   38   10 |    53   52   31   43   40   30   27   37    32
 R22  | ----   47   50   25   13   24   28   21  ---   11 |    55   59   35   35   28   17   21  ---    25
 R23  | ----   21   22   24   31   13   31   16  ---   10 |    31   33   29   55   41   19   27  ---    31
 R24  |>>>>>   25   21   36   18   25  176   29  ---   14 |    25   27   32   26   27   80   30  ---    18
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   36   38   26   23   24   53   21  171      |T   49   52   44   50   50   45   41   38    41
 WRMS |>>>>>   32   33   25   19   17   34   21  171      |NE  48   50   43   50   48   44   41   41    41
 MEDI |>>>>>   29   35   24   19   21   30   20  188      |MD  50   52   35   44   49   39   41   37    40

Table 3.1856.3  GPS week: 1856   Day: 3   MJD: 57239                            

        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  | ----   27   19   15   19   17   23   11  ---    8 |    67   56   60   60   62   54   56  ---    58
 R02  |>>>>>   11   14   26    8   13   22   17  117    7 |    64   56   72   61   62   60   72   93    64
 R03  |>>>>>   17   13   24   10   12   26   25  ---    8 |    51   58   68   62   59   66   69  ---    62
 R04  |>>>>>    7   10   11    9    9   11   13  ---    4 |    52   57   57   61   63   52   49  ---    56
 R05  |>>>>>   26   32   21   20   14   56   14  ---   11 |    67   64   85   90   82   70   69  ---    77
 R06  |>>>>>   27   33   31   12   11   29   25  ---   10 |    32   29   56   45   42   29   55  ---    43
 R07  |>>>>>   17   20   11   14   12   23   15  215    6 |    61   63   68   81   82   53   71  126    71
 R08  | ----   13   18   13   19   20   19   18  ---    7 |    55   57   59   84   83   57   51  ---    65
 R09E |>>>>>   36   32   41   32   36   41   31  ---   16 |    60   63   62   74   93   66   70  ---    65
 R10E | ----   27   32   17   14   14   17   15  ---    7 |    44   51   36   40   41   43   35  ---    36
 R11E |>>>>>   54   54   34   21   33   42   19  ---   14 |    70   70   31   51   59   50   48  ---    42
 R12E |>>>>>   55   44   39   45   39   54   23  185   18 |    97  100   97  133  131  113   93   52   108
 R13E |>>>>>   20   29   23   12   14   21   15  ---    7 |    48   49   44   43   46   37   41  ---    40
 R14E | ----   33   31   57   26   44   45   36  ---   18 |   100  113  114  123  129  116   89  ---   108
 R15E | ----   22   31   16   13   16   23   15  ---    7 |    41   52   26   32   31   35   30  ---    28
 R16E |>>>>>   21   23   19   15   24   22   18  ---    8 |    44   44   40   39   39   34   39  ---    34
XR17  | ----   86  109   43   40  ---   40   34  ---   24 |    45   67   49   74  ---   42   62  ---    45
 R18  |>>>>>   33   32   22   16   20   29   16  161    9 |    45   43   25   33   24   15   23   50    22
 R19  |>>>>>   46   55   20   15   25   34    9  ---   11 |    51   59   24   23   27   36   20  ---    19
 R20  | ----   63   78   26   20   24   77   32  ---   17 |    64   77   39   42   41   45   34  ---    32
 R21  |>>>>>   45   52   19   16   23   29   19   62   11 |    62   67   39   32   29   21   22   76    27
 R22  |>>>>>   50   47   29   10   23   32   24  ---   12 |    57   54   37   32   29   20   19  ---    23
 R23  |>>>>>   27   28   19   22    8   16    9  ---    7 |    26   30   30   41   27   30   28  ---    28
 R24  |>>>>>   22   32   30   19   21   48   27  ---   12 |    35   42   37   37   29   30   29  ---    24
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   34   36   27   19   22   35   21  157      |T   55   59   52   58   56   48   48   79    49
 WRMS |>>>>>   30   32   25   15   14   30   21  157      |NE  52   54   50   53   49   42   45   86    44
 MEDI |>>>>>   27   32   22   16   20   29   18  161      |MD  52   57   44   45   46   43   48   76    42

Table 3.1856.4  GPS week: 1856   Day: 4   MJD: 57240                            

        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  |>>>>>   18   37   18   19   13   33    8  ---    8 |    65   97   66   77   78   54   66  ---    67
 R02  | ----   17   15   18    9   24   34   10  208    8 |    50   52   62   64   77   47   55  101    58
 R03  |>>>>>   24   25   23    9   23   12   11  ---    7 |    42   43   45   56   66   57   57  ---    53
 R04  |>>>>>   14   14   18    8   14   23    8  ---    6 |    49   49   49   41   45   46   42  ---    43
 R05  |>>>>>   24   34   31   43   17   52   23  ---   14 |    59   79   82   60   54   55   45  ---    55
 R06  |>>>>>   29   35   24   23   13   22   15  ---    9 |    29   30   56   57   49   33   30  ---    41
 R07  |>>>>>   23   20    7   12   17   27   10  127    7 |    56   62   63   72   79   50   66  106    65
 R08  | ----   13   14   15   16   14   27   10  ---    7 |    53   52   55   70   68   46   52  ---    57
 R09E | ----   32   50   46   24   39   35   29  ---   15 |    40   55   47   44   50   46   43  ---    37
 R10E |>>>>>   29   36   14   14   15   32   15  ---    8 |    43   57   34   38   36   40   38  ---    34
 R11E | ----   59   38   51   31   28   53   25  ---   17 |    81   71   53   71   64   56   46  ---    52
 R12E |>>>>>   58   47   48   21   31   40   32  145   16 |    69   66   50   62   71   64   49   40    48
 R13E |>>>>>   20   19   24   17   15   25   18  ---    8 |    39   40   37   33   34   28   30  ---    30
 R14E |>>>>>   37   46   57   21   24   24   28  ---   14 |    47   56   44   51   56   56   55  ---    47
 R15E |>>>>>   17   30   21   19   23   25   17  ---    9 |    36   42   35   34   39   28   28  ---    28
 R16E | ----   22   29   17   13   24   26   16  ---    8 |    39   36   30   35   35   35   35  ---    30
XR17  | ----   86   87   48   36  ---   20   27  ---   22 |    53   50   46   56  ---   36   42  ---    35
 R18  |>>>>>   40   36   19   17   21   24   15  161    9 |    39   36   29   25   36   21   19   31    21
 R19  |>>>>>   47   45   21   12   25   23    9  ---   10 |    44   40   21   24   27   19   16  ---    17
 R20  |>>>>>   45   52   22   37   23   56   24  ---   15 |    47   60   25   36   39   22   33  ---    25
 R21  | ----   50   53   23   15   22   25   15   90   11 |    52   51   33   33   29   28   26   61    26
 R22  | ----   56   59   23   11   18   28   17  ---   11 |    54   54   24   21   24   23   22  ---    19
 R23  |>>>>>   29   31   18   28   12   20    9  ---    8 |    25   22   28   39   27   18   25  ---    25
 R24  |>>>>>   31   40   31   27   25   49   21  ---   13 |    38   52   44   38   33   35   33  ---    25
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   35   37   28   21   22   33   18  151      |T   47   52   44   47   48   39   39   67    39
 WRMS |>>>>>   34   35   26   19   20   29   18  151      |NE  47   51   45   48   48   36   39   74    39
 MEDI |>>>>>   29   36   22   17   22   26   15  145      |MD  47   52   44   41   45   36   38   61    35

Table 3.1856.5  GPS week: 1856   Day: 5   MJD: 57241                            

        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  |>>>>>   17   23   25   12   11   40   14  ---    8 |    54   60   65   58   57   34   54  ---    53
 R02  |>>>>>   16   22   15   14   14   27    9  179    6 |    33   34   49   58   58   42   42   36    48
 R03  |>>>>>   26   23   13   10   18   19   13  ---    7 |    32   32   26   26   37   41   18  ---    25
 R04  |>>>>>   18   21   19   10   13   29   10  ---    7 |    37   45   34   33   46   33   38  ---    35
 R05  |>>>>>   13   21   19   36   17   72   18  ---   13 |    45   48   50   31   45  103   27  ---    38
 R06  | ----   23   17   27   19   11   32   15  ---    9 |    27   37   61   47   44   19   22  ---    36
 R07  |>>>>>   14   17   23   16   13   22    9   80    7 |    51   47   55   30   32   38   38   46    36
 R08  | ----   14   18   10   13   12   13   10  ---    5 |    42   43   52   56   50   51   41  ---    47
 R09E |>>>>>   25   49   25   21   22   32   28  ---   11 |    33   46   31   41   40   51   55  ---    36
 R10E |>>>>>   30   39   19   19   17   28   21  ---    9 |    47   50   33   39   38   36   34  ---    33
 R11E |>>>>>   61   73   58   27   34   82   32  ---   20 |    73   83   45   57   58   65   41  ---    44
 R12E | ----   55   40   48   26   27   44   25  158   16 |    63   65   53   68   70   63   53   21    54
 R13E |>>>>>   14   27   27   11   18   26   13  ---    8 |    49   58   43   46   49   41   39  ---    42
 R14E |>>>>>   32   34   59   24   26   47   21  ---   15 |    46   49   51   54   48   45   41  ---    43
 R15E |>>>>>   14   20   22   19   29   25   14  ---    9 |    30   33   31   33   37   35   26  ---    25
 R16E | ----   30   35   26   14   20   19   14  ---    9 |    40   48   38   35   42   33   30  ---    32
XR17  |>>>>>   94   92   33   52  ---   15   21  ---   24 |    47   51   30   63  ---   35   41  ---    35
 R18  | ----   37   50   26   12   19   36   13  153   10 |    42   52   32   26   31   33   20   25    24
 R19  | ----   50   51   15   15   25   22   11  ---   10 |    44   45   19   23   29   24   15  ---    18
 R20  |>>>>>   39   42   28   24   20   50   29  ---   13 |    44   43   34   44   44   27   27  ---    28
 R21  |>>>>>   50   39   23   12   22   46   17  111   12 |    52   43   34   31   31   30   23   36    25
 R22  | ----   58   62   31   10   22   41   21  ---   13 |    56   60   30   26   30   35   21  ---    24
 R23  |>>>>>   20   18   27   23   12   21   11  ---    8 |    30   36   35   42   31   28   25  ---    29
 R24  | ----   39   51   31   34   28   42   24  ---   14 |    37   47   40   39   34   28   32  ---    24
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   34   38   29   20   21   39   18  141      |T   43   48   40   41   42   40   33   32    34
 WRMS |>>>>>   32   34   29   19   18   33   18  141      |NE  42   45   40   39   39   37   30   35    32
 MEDI |>>>>>   26   34   25   16   19   29   14  153      |MD  44   47   35   39   42   35   32   36    35

Table 3.1856.6  GPS week: 1856   Day: 6   MJD: 57242                            

        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  |>>>>>   24   28   32   22   14   32   13  ---   10 |    73   68   86   61   75   62   67  ---    68
 R02  |>>>>>   12   14   15   13   12   20   20  206    7 |    63   60   71   68   70   53   60   41    64
 R03  | ----   23   20   15   15   17   19   11  ---    7 |    52   50   55   66   69   63   55  ---    59
 R04  |>>>>>   10   11   12   18   10   13   13  ---    6 |    62   61   60   60   68   65   63  ---    62
 R05  | ----   15   18   40   28   32   79   12  ---   15 |    59   71   83   64   75   82   66  ---    68
 R06  | ----   25   27   18   13   15   46    8  ---    9 |    39   40   70   61   63   35   54  ---    54
 R07  |>>>>>   15   21   18   17   12   27   18   96    7 |    79   83   82   82   77   67   66   41    74
 R08  |>>>>>   11   13   20   18   14   17   12  ---    7 |    71   71   79   62   76   61   67  ---    69
 R09E |>>>>>   31   34   26   19   28   27   24  ---   11 |    44   59   43   53   58   47   47  ---    45
 R10E | ----   24   26   20   19   12   50   27  ---   11 |    50   55   36   45   45   61   45  ---    42
 R11E |>>>>>   49   39   36   28   32   54   29  ---   16 |    64   55   48   55   62   65   51  ---    48
 R12E |>>>>>   53   47   52   42   38   68   36  168   20 |    75   83   60   83   84   77   55   21    65
 R13E |>>>>>   25   30   29   16   14   19   11  ---    8 |    45   49   37   44   38   42   34  ---    36
 R14E | ----   39   36   41   46   37   51   30  ---   18 |    50   54   49   65   62   51   42  ---    45
 R15E |>>>>>   21   23   25   21   22   27   18  ---    9 |    38   43   38   38   42   40   38  ---    35
 R16E |>>>>>   24   46   17   22   17   23   13  ---    8 |    40   64   33   45   39   34   35  ---    35
XR17  |>>>>>   90  103   29   37  ---   15   27  ---   22 |    61   64   32   75  ---   43   66  ---    46
 R18  |>>>>>   36   36   14   14   19   30   14  149    9 |    49   50   30   33   32   22   18   36    24
 R19  | ----   51   57   15   14   18   30   17  ---   11 |    58   62   22   29   32   22   15  ---    22
 R20  |>>>>>   53   58   32   24   24   52   21  ---   14 |    53   60   38   49   41   46   26  ---    31
 R21  |>>>>>   51   65   20   13   17   34   19  108   11 |    58   70   33   26   29   32   20   28    22
 R22  | ----   52   56   25   10   17   48   21  ---   12 |    61   64   34   25   22   32   21  ---    22
 R23  |>>>>>   15   15   20   26   10   48   10  ---    9 |    30   31   32   55   37   41   39  ---    37
 R24  | ----   17   24   47   31   28   45   27  ---   14 |    40   36   58   52   50   33   33  ---    36
------+---------------------------------------------------+-----------------------------------------------
 RMS  |>>>>>   33   36   28   23   22   41   20  151      |T   54   58   50   54   54   49   45   33    46
 WRMS |>>>>>   28   31   28   20   16   34   20  151      |NE  56   58   54   54   54   47   46   36    47
 MEDI |>>>>>   24   28   20   19   17   30   18  149      |MD  53   60   43   55   58   46   45   36    45




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