[IGSREPORT-25834] Wk 1992 IGLOS Final Orbits

acc acc at igs.org
Mon Apr 2 05:14:40 PDT 2018


Author:   AC Coordinator / GA MIT                                              
sum-file Version 2.0
                                                                               
IGLOS Orbit Combination - Week 1992   (Mar 11, 2018 - Mar 17, 2018) 
                                                                               
Contact: acc at igs.org
                                                                               
                                                                               
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 2.1992.
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:
                                                                               
 igl1992[0-6].sp3  IGLOS-PP Glonass ephemerides files for days 0-6
                   of GPS Week 1992 in the SP3 format.
 igl19927.sum      Combination Report for GPS Week 1992.


    
    
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
    
    Starting 29-Jan-2017 (GPS Week 1934, day 0, MJD 57782) the absolute antenna
    model file has been updated to igs14.atx to be consistent with IGS14.
    See IGSMAIL #7399 for more information
        ftp://igs.org/pub/station/general/igs14.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  |     -7.0 ns
                1  |     -7.5 ns
                2  |     -5.8 ns
                3  |     -6.6 ns
                4  |     -7.6 ns
                5  |     -6.9 ns
                6  |     -8.3 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
               ----+--------+---------------
                4  |  GFZ   | R08
                6  |  GFZ   | R08

    
         
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 1.1992, 1a.1992).
        
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 2.1992.0-6)                                                                                
    
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 3.1992.0-6). 
        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 1992 summary.                      (Mar 11, 2018 - Mar 17, 2018)

Table 1.1992.a     GPS week : 1992   MJD: 58188.0-58194.0

         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|    0     0     1   -17    -7    23   .11   26   28 |   77378   -2257  11049 268110
        |    1     0     2    18    21    28   .02           |  181901    5656
cof  n/a|    0     0     1    -2    16    18   .08   29   30 |   77364   -2242  11047 268112
        |    1     0     2    20    14    35   .05           |  181899    5650
emx  n/a|    0     0     3    11   -37   -54   .00   24   24 |   -4760    1079   3301   9119
        |    0     1     2    28    19    53   .06           |    9847    1464
esx  n/a|    0     0    -3    -8    29     9   .20   17   15 |   -7173    -622   3318  11624
        |    0     0     1    12    14    15   .01           |   12756    1634
gfz  n/a|    0    -1    -5    16    40     0   .01   77   76 |       0     267   3322   9362
        |    1     1     1    16    28    40   .03           |       0    1156
grg  n/a|   -1     0    13   -71   -10    59  -.41   29   25 |   60039     256   3288 150477
        |    1     1     3    26    19    42   .04           |  177573    1290
iac  n/a|    0     1    -6    35   -16   -30   .02   21   21 |   82378    -360  11062 267887
        |    1     1     3    23    31    40   .04           |  176930     575
mcc  n/a|   -2    -2    -8   141    12   114  -.15  171  171 |     ---     ---    ---    ---
        |    5    10    10   163   129   271   .19           |     ---     ---


Table 1.1992.b     GPS week : 1992   MJD: 58188.0-58194.0   

         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   11   12   10   21 |
 R02  |    7    7   10    7    7    7    7 |
 R03  |    7   10    6    7    6    7    8 |
 R04  |    7   10    8    7    7    8    8 |
 R05  |   11   11   11    9   12   13   11 |
 R06  |    8    7    8    8   10   16   17 |
 R07  |    9    8    9    8    7    8    7 |
 R08  |   14   10   11    7   12   17   34 |
 R09  |    8    6    6    8    8    7    7 |
 R10  |    7    7    7    9    8    7    8 |
 R11  |    9    7    9   10    8    8    6 |
 R13  |    7    9    6    7    6    6    8 |
 R14  |    9    9    9    9    9    8    8 |
 R15  |   17   17   12   12   13   14   15 |
 R16  |   13   15   16   14   13   14   14 |
 R17  |    9   13   12   10   10   12   10 |
 R18  |    9    7    8    8    8    6    8 |
 R19  |   13   11   12   17   15   16   12 |
 R20  |   14   17   16   17   12   14   14 |
 R21  |   10   10   10    8    9   11   10 |
 R22  |   11   11   11   10   10   11   12 |
 R23  |    8    8   10    9    7    8    9 |
 R24  |   17   15   20   16   15   16   14 |
 R26  |    0    0    0    0    0    0    0 |


Table 1.1992.c     GPS week : 1992   MJD: 58188.0-58194.0   

         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 1992 0   |   15   -45    24     863   -1207    3145  84.9  1440  1440 |   -7002       0
brd 1992 1   |    3    88   137     128   -2307     823  85.3  1360  1360 |   -7531       0
brd 1992 2   |  -36   -10    36    -168    -552    2954  86.1  1698  1698 |   -5761       0
brd 1992 3   |    4    37    40    -177     809    2646  82.8  1495  1495 |   -6559       0
brd 1992 4   |    4   -29   141    -277     980    2628  82.8  1600  1600 |   -7640       0
brd 1992 5   |    4    49   114    -635     654    3734  85.4  1374  1374 |   -6929       0
brd 1992 6   |   23    -5    57     432     416    4332  83.7  1342  1342 |   -8346       0
-------------+------------------------------------------------------------+----------------
brd 1992 mean|    2    12    78      23    -172    2894  84.4  1472  1472 |   -7109       0
brd 1992 sdev|   18    47    50     497    1231    1099   1.3   134   134 |     832       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 2.1992.0  GPS week: 1992   Day: 0   MJD: 58188                            

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     0     7   -30     1   .14   29   31 |  133939   -2719  58080 827779
cof  n/a|   -1     0     0    16    20    10   .11   33   33 |  133922   -2691  58080 827777
emx  n/a|    0     0     2   -51   -21   -56   .08   24   24 |  -16729      91   3895   8867
esx  n/a|    0     0    -2    -2    51    33   .19   17   14 |    4573    -419   3938  11159
gfz  n/a|    0    -4    -7    -9     4    60   .03   23   23 |       0    -107   3976   8980
grg  n/a|    1     0    13   -46   -51    -1  -.38   22   20 |   -7068     268   3898   8580
iac  n/a|    0     1    -8    65    16   -47   .00   19   20 |  141949   -1578  58143 828677
mcc  n/a|    0     0    10   -51     6  -208  -.02  201  201 |     ---     ---    ---    ---

Table 2.1992.1  GPS week: 1992   Day: 1   MJD: 58189                            

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     0    -7     8    -6   .08   28   30 |  -13620   -2714   3195   9882
cof  n/a|    1     0     3    14    23   -42   .16   28   30 |  -13636   -2682   3193   9881
emx  n/a|   -1     0     6    24    -8  -104   .07   24   24 |    3154   -1524   3152   9246
esx  n/a|    0     0    -5   -18    38    10   .20   16   15 |   -3924   -3464   3203  11513
gfz  n/a|    1    -2    -5    20    72    12  -.01   25   29 |       0   -2068   3190   9726
grg  n/a|    0     0    17  -105     6    36  -.42   30   25 |   -6080   -2561   3165   9070
iac  n/a|    0     3   -10    52   -72    18  -.04   20   20 |   -6227    -131   3197   9283
mcc  n/a|   -5    16    -9   245  -162   258  -.28  215  215 |     ---     ---    ---    ---

Table 2.1992.2  GPS week: 1992   Day: 2   MJD: 58190                            

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     0   -31   -36   -11   .09   25   27 |  -14206    1745   3004  10326
cof  n/a|   -1     1     0   -10     0    33  -.00   26   29 |  -14216    1748   3000  10323
emx  n/a|   -1     2     5    14   -43  -132  -.00   30   30 |     993    2863   2985   9889
esx  n/a|    1     0    -3     6    22    24   .19   15   14 |  -21799    1087   3001  12324
gfz  n/a|    2    -2    -6     0    82    11   .01   24   24 |       0     848   2990  10142
grg  n/a|   -2    -1    15   -69    -9    37  -.43   32   31 |   -6238    1070   2999   8825
iac  n/a|    0     0    -5    26   -40    28   .03   21   21 |   -4630    -298   3003   9767
mcc  n/a|   -3     0   -16    21   -21   420  -.40  202  202 |     ---     ---    ---    ---

Table 2.1992.3  GPS week: 1992   Day: 3   MJD: 58191                            

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     2    -9   -11    55   .11   26   29 |  -12632    1130   3363   9488
cof  n/a|   -1     0     3    15    13    36   .07   30   32 |  -12650    1144   3365   9495
emx  n/a|   -1     0     3    21   -29   -50  -.05   25   25 |   -4748    1899   3345   9144
esx  n/a|    0     0    -1   -24    33     1   .18   16   16 |    1637     851   3363  11666
gfz  n/a|    0     0    -4    22    20   -68   .05   22   22 |       0     999   3359   9055
grg  n/a|    1    -1     8   -66   -13   130  -.48   31   26 |   -7197    1082   3338   8717
iac  n/a|    1     0    -6    37     0   -19   .06   21   22 |   -4640    -452   3353   8802
mcc  n/a|   -6    -6    -8    17   118   301  -.20  186  186 |     ---     ---    ---    ---

Table 2.1992.4  GPS week: 1992   Day: 4   MJD: 58192                            

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    -1    -7   -16    54   .12   24   27 |  -11748     654   3269   9947
cof  n/a|   -2     1    -1     2    24    71   .09   27   29 |  -11758     668   3268   9950
emx  n/a|    0    -1     2    22   -37   -42  -.01   20   20 |    6389     681   3261   9522
esx  n/a|    0     0    -5   -18     5     9   .22   18   15 |  -19739     -91   3243  12096
gfz  n/a|    0     0    -4    12    35    13  -.01  396  396 |       0     135   3266   9809
grg  n/a|   -1     2    15  -105     6    49  -.38   26   21 |   -7790     313   3217   9152
iac  n/a|    2     0    -6    54     8   -67   .08   22   22 |   -6296    -208   3277   9523
mcc  n/a|   -9   -12   -20   324   -93  -310   .18  155  155 |     ---     ---    ---    ---

Table 2.1992.5  GPS week: 1992   Day: 5   MJD: 58193                            

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     3   -45     9    39   .12   27   27 |  470847  -14417   3062 999999
cof  n/a|    2    -1     3   -25    -4    23   .04   31   30 |  470828  -14396   3063 999999
emx  n/a|    0     0     0    21   -67   -29  -.07   24   24 |  -19434    2038   3076   8499
esx  n/a|    2     0    -3     4    25    -5   .18   17   14 |    8169    -171   3061  10925
gfz  n/a|   -1     0    -4    39    22     0  -.02   24   17 |       0    1465   3087   8680
grg  n/a|   -2     0     8   -37    -6    88  -.40   31   25 |  462735    1018   3057 999999
iac  n/a|    0     2     0     7   -20   -59   .00   23   21 |  463689     216   3061 999999
mcc  n/a|   -2   -17   -17   355   228   152  -.13  103  103 |     ---     ---    ---    ---

Table 2.1992.6  GPS week: 1992   Day: 6   MJD: 58194                            

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     4   -30    21    29   .12   27   27 |  -10933     517   3370   9354
cof  n/a|   -1     1     3   -34    38    -1   .11   30   28 |  -10941     509   3365   9361
emx  n/a|    0     0     3    27   -52    32  -.02   23   23 |   -2948    1508   3393   8669
esx  n/a|    0     0    -1    -5    25    -6   .21   17   14 |  -19131   -2151   3423  11686
gfz  n/a|    0    -1    -7    28    48   -31   .02   25   18 |       0     602   3392   9147
grg  n/a|   -3     0    12   -66    -3    75  -.36   30   26 |   -8089     607   3344   8996
iac  n/a|    1     2    -7     3    -8   -66  -.01   22   22 |   -7194     -70   3403   9160
mcc  n/a|    9     0     0    75    13   186  -.19  132  132 |     ---     ---    ---    ---

       
       
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 3.1992.0  GPS week: 1992   Day: 0   MJD: 58188                            

        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
------+---------------------------------------------------+-----------------------------------------------
 R01E | 1573   25   29   19   11   24   28   20  ---    9 |    51   46   49   57   54   69   53  ---    52
 R02E | 2107   12   16   16   10   21   17   13   90    6 |    79   81   81   81   77   73   80   83    78
 R03E |  852   17   25   18    8   16   20   12   94    6 |    58   62   54   61   62   64   60   90    59
 R04E | 1142   13   15   18    8   21   18   11  ---    6 |    40   41   43   45   45   41   42  ---    41
 R05E | 1857   15   28   27   28   31   27   18  ---   11 |   126  130  128  116  131  137  128  ---   125
 R06E | 1238   14   15   23   20   17   16   13  ---    8 |    47   50   40   62   52   47   52  ---    49
 R07E | 1106   19   19   24   11   24   20   15  406    8 |    58   60   51   53   59   60   61   85    54
XR08E |  722   27   29  ---   17  ---  ---   13  ---   13 |    80   75  ---   58  ---  ---   82  ---    72
 R09M | 1339   23   14   24   15   16   13   11  ---    7 |    29   31   25   34   33   22   31  ---    27
 R10  | 1766    9   12    9   17   10   19   14  ---    6 |    39   38   32   41   30   35   31  ---    33
 R11  |  741   21   24   16   14   21   19   22  133    8 |    42   42   33   35   27   29   23   29    29
 R13M | 3675   11   16   10   20   14   23    8  ---    7 |    35   37   33   42   22   26   33  ---    31
 R14M |  628   37   39   19    8   25   11   15  ---    8 |    50   50   40   34   29   29   26  ---    31
 R15M | 1651   64   69   35   34   25   27   42  ---   17 |    65   67   53   41   36   46   36  ---    39
 R16M |  576   33   30   39   17   22   38   16  ---   12 |    28   29   26   40   32   25   29  ---    26
 R17  |  742   20   23   23   10   31   12   16  ---    8 |    49   49   47   41   26   46   30  ---    37
 R18  | 1327   21   23   13   13   29   23   22  ---    9 |    32   33   33   36   36   43   24  ---    32
 R19  |  723   42   43   37   21   28   18   30  ---   13 |    53   52   41   30   24   42   21  ---    31
 R20  |  744   51   75   25   14   26   43   20  ---   13 |    53   68   34   33   27   34   27  ---    27
 R21  |  825   31   30   28    9   30   10   17   51    9 |    54   56   48   37   24   38   35   57    37
 R22M |  717   34   35   24   14   24   22   26  ---   10 |    52   50   40   37   33   42   28  ---    35
 R23M | 1160   19   15   19   22   19   14   14  ---    8 |    21   24   26   41   32   27   28  ---    29
XR24  | 1377   37   73   33   24  ---   41   38  ---   17 |    60   85   63   46  ---   34   36  ---    39
XR26  | ----  ---  ---  ---  ---  ---  ---    7  ---    0 |   ---  ---  ---  ---  ---  ---   28  ---    29
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1439   29   33   24   17   23   22   19  201      |T   52   54   46   47   42   45   42   68    43
 WRMS | 1439   31   33   24   14   23   20   20  201      |NE  47   52   41   37   27   37   28   43    32
 MEDI | 1142   21   25   23   14   24   19   15   94      |MD  51   50   40   41   33   41   31   83    35

Table 3.1992.1  GPS week: 1992   Day: 1   MJD: 58189                            

        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
------+---------------------------------------------------+-----------------------------------------------
 R01E | 1242   28   25   25   16   29   31   18  ---   10 |    43   46   40   51   58   53   58  ---    48
 R02E | 2925   13   15   15   11   19   17   12   54    6 |    60   62   62   60   58   62   52   59    58
 R03E | 1455   20   20   19   16   22   36   12   60    9 |    42   39   45   41   51   57   41   79    42
 R04E |  882   15   19   27   11   27   30   18  ---    9 |    28   29   47   39   46   26   29  ---    33
 R05E |  712   23   22   26   17   29   26   22  ---   10 |   102  109   96   98   95   91   80  ---    91
 R06E |  741   15   19   16   19   11   19   14  ---    7 |    40   37   40   45   35   48   39  ---    39
 R07E | 1348   18   13   17   12   21   18   18  453    7 |    48   45   51   49   56   46   49   60    48
XR08E | 1758   18   22  ---   16   19  ---   14  ---    9 |    57   61  ---   42  180  ---   64  ---    54
 R09M | 1671   20   23   15   12   14   12   11  ---    6 |    28   32   26   27   30   23   25  ---    24
 R10  |  617   16   14   18   11   28   12    8  ---    7 |    17   19   17   23   25   28   20  ---    17
 R11  |  552   21   25   11   10   11   13   18  126    6 |    24   28   22   22   24   23   18   17    19
 R13M | 1992   13   18   17   22   20   29   11  ---    8 |    26   29   30   34   28   33   23  ---    25
 R14M |  872   32   37   16    8   26   16   18  ---    8 |    27   29   25   28   25   23   24  ---    23
 R15M | 3010   56   57   32   20   33   41   40  ---   16 |    36   41   28   30   35   34   27  ---    24
 R16M | 1282   38   50   50   27   17   39   23  ---   15 |    27   38   33   30   28   17   25  ---    21
 R17  |  577   34   27   28   10   40   29   28  ---   12 |    25   26   30   21   24   31   17  ---    19
 R18  |  798   14   10   19   12   20   15   15  ---    7 |    19   24   33   25   29   19   21  ---    21
 R19  | 1410   39   29   25   13   22   19   30  ---   11 |    26   26   32   29   36   22   22  ---    23
 R20  |  710   33   30   36   29   31   66   22  ---   16 |    39   41   28   37   30   37   28  ---    26
 R21  |  511   30   31   19   16   30   22   14   59    9 |    30   34   29   31   31   30   27   40    26
 R22M |  760   30   29   24   19   26   23   19  ---   10 |    26   26   27   29   26   38   24  ---    23
 R23M |  991   15   20   13   18   23   19   14  ---    7 |    18   19   18   31   31   17   20  ---    20
 R24  |  790   37   37   33   13   22   59   29  ---   14 |    34   39   29   29   35   30   21  ---    20
XR26  | ----  ---  ---  ---  ---  ---  ---    8  ---    0 |   ---  ---  ---  ---  ---  ---   31  ---    32
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1360   28   28   24   16   25   30   20  215      |T   35   38   35   37   44   35   32   51    32
 WRMS | 1360   30   30   24   15   29   25   20  215      |NE  26   29   27   27   29   27   22   28    22
 MEDI |  882   21   23   19   16   22   22   18   60      |MD  28   34   30   31   31   30   25   59    24

Table 3.1992.2  GPS week: 1992   Day: 2   MJD: 58190                            

        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
------+---------------------------------------------------+-----------------------------------------------
 R01E | 1941   28   21   24   12   28   16   23  ---    9 |    56   57   52   60   62   61   52  ---    56
 R02E | 3547   16   20   19   20   22   20   33   59   10 |    62   72   64   75   73   59   48   60    62
 R03E | 1661   15   14   15    9   19   13   12  116    6 |    28   28   25   26   25   28   30   90    24
 R04E | 1614   13   15   22   10   20   26   12  ---    7 |    20   24   24   22   28   30   23  ---    18
 R05E | 1385   25   24   26   12   31   23   28  ---   10 |    53   56   53   51   54   53   39  ---    46
 R06E | 1372   16   14   19   17   11   26   14  ---    8 |    35   39   35   46   36   44   36  ---    35
 R07E |  757   16   12   22   15   24   24   16  411    8 |    35   33   30   33   40   27   31   72    28
XR08E |  728   25   22   31   14   24  ---   11  ---   10 |    28   30   20   30  204  ---   36  ---    33
 R09M | 1419   10   16   11   10   18    9   18  ---    6 |    20   24   21   24   38   22   20  ---    21
 R10  |  904   10   11   21   16   14   17   18  ---    7 |    27   25   23   33   31   24   21  ---    24
 R11  |  640   25   25   24    9   25   12   21  118    8 |    29   30   29   24   23   17   14   25    19
 R13M | 1541   11   11   11   10   20   20   10  ---    6 |    25   29   28   31   32   30   28  ---    26
 R14M |  605   25   28   17   16   23   27   16  ---    9 |    32   35   25   33   23   23   20  ---    23
 R15M | 4680   41   47   24   16   22   25   27  ---   11 |    46   50   35   36   33   30   30  ---    31
 R16M |  706   26   34   62   19   22   56   21  ---   15 |    29   34   46   32   31   23   25  ---    25
 R17  |  618   30   32   22   12   36   26   27  ---   11 |    31   32   28   27   16   33   14  ---    20
 R18  |  641   12    8   14   10   25   17   25  ---    8 |    21   19   27   23   24   13   17  ---    17
 R19  | 1693   43   51   24   18   27   14   24  ---   11 |    34   40   31   27   24   27   24  ---    24
 R20  |  687   14   20   30   20   27   81   23  ---   16 |    20   38   20   37   41   35   19  ---    24
 R21  |  570   30   30   24   12   33   14   17   68    9 |    32   33   33   28   26   29   26   30    26
 R22M |  845   37   38   31   14   33   13   10  ---   11 |    32   35   27   29   31   23   24  ---    22
 R23M | 1158   20   13   19   25   12   24   20  ---    9 |    18   29   24   40   34   27   21  ---    25
 R24  | 1555   33   37   86   24   25   69   25  ---   20 |    49   60   56   40   25   28   31  ---    31
XR26  | ----  ---  ---  ---  ---  ---  ---    4  ---    0 |   ---  ---  ---  ---  ---  ---   32  ---    32
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1697   25   26   30   15   24   32   21  202      |T   33   37   32   35   41   31   27   55    28
 WRMS | 1697   27   29   30   14   24   31   21  202      |NE  30   34   30   29   26   25   22   27    24
 MEDI | 1158   25   21   22   14   24   20   18  116      |MD  31   33   28   32   31   28   25   60    25

Table 3.1992.3  GPS week: 1992   Day: 3   MJD: 58191                            

        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
------+---------------------------------------------------+-----------------------------------------------
 R01E | 1765   30   22   29   13   23   23   23  ---   10 |    77   79   84   66   81   86   73  ---    77
 R02E | 3536   15   14   16   12   21   21   12   96    7 |    69   68   68   69   59   68   77  133    67
 R03E |  833   14   13   16   13   20   16   12  151    7 |    29   31   30   29   31   35   27   83    26
 R04E | 1322   16   22   14   11   13   24   14  ---    6 |    23   24   28   29   35   46   32  ---    28
 R05E | 2916   19   47   25   12   23   21   19  ---    9 |    77   94   76   77   83   95   73  ---    77
 R06E | 1476   16   23   14   13   15   27   21  ---    8 |    43   45   37   45   39   51   41  ---    39
 R07E |  794   18   12   14   16   16   26   12  341    7 |    27   28   22   31   33   37   29   88    26
 R08E |  740   15   18   17   13   16   22   15  ---    7 |    38   39   22   27  236   31   42  ---    34
 R09M | 1297   23   28   22   11   16   29   12  ---    8 |    14   18   18   21   25   24   16  ---    12
 R10  | 1223   16   27   16   12   16   28   26  ---    8 |    32   45   32   33   31   34   21  ---    27
 R11  |  711   28   29   21    9   22   19   31  125   10 |    32   32   26   22   19   25   14   28    18
 R13M |  818   11   14   15   16   14   17   16  ---    6 |    24   25   27   38   25   39   29  ---    28
 R14M |  553   26   27   20    9   25   18   15  ---    8 |    31   35   30   26   27   21   20  ---    23
 R15M | 3017   42   41   26   14   26   17   34  ---   12 |    50   47   39   34   35   43   39  ---    36
 R16M | 1434   22   49   34   24   15   61   11  ---   13 |    25   44   34   40   34   27   30  ---    27
 R17  |  626   28   27   21   11   29   24   25  ---   10 |    43   41   42   41   34   40   23  ---    35
 R18  |  518   16   19   14   11   18   12   26  ---    7 |    28   30   31   32   22   30   25  ---    26
 R19  | 1154   59   59   28   25   41   27   34  ---   16 |    55   57   32   26   25   46   19  ---    27
 R20  |  829   25   20   56   25   12   68   18  ---   16 |    41   42   48   40   37   23   22  ---    28
 R21  |  703   24   25   20   10   22   14   20   99    8 |    38   42   35   35   31   28   25   59    30
 R22M |  637   30   31   18   12   32   22   18  ---   10 |    37   38   31   32   23   34   21  ---    27
 R23M |  683   13   12   10   22   15   32   21  ---    9 |    23   20   21   31   26   29   17  ---    18
 R24  | 1267   30   46   47   23   32   57   29  ---   16 |    56   73   60   37   26   24   32  ---    36
XR26  | ----  ---  ---  ---  ---  ---  ---    4  ---    0 |   ---  ---  ---  ---  ---  ---   25  ---    25
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1495   26   30   25   16   22   31   21  186      |T   39   43   37   37   44   39   32   78    33
 WRMS | 1495   29   32   25   16   22   26   22  186      |NE  40   45   38   33   28   31   22   43    28
 MEDI |  833   22   25   20   13   20   23   18  125      |MD  37   41   32   33   31   34   25   83    27

Table 3.1992.4  GPS week: 1992   Day: 4   MJD: 58192                            

        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
------+---------------------------------------------------+-----------------------------------------------
 R01E | 1080   24   17   29   19   24   30   37  ---   12 |   100  106   94   99  101  122   75  ---    98
 R02E | 4044   12    9   17   13   14   20   15   97    7 |    80   78   73   77   75   88   74  135    76
 R03E | 1070   14    9   16   13   13   16   11  115    6 |    29   28   26   33   34   30   31  152    28
 R04E |  885   12   12   16   15   14   25   14  ---    7 |    20   25   20   25   30   36   25  ---    21
 R05E | 3212   22   22   26   26   24   33   22  ---   11 |    61   58   65   64   62   43   45  ---    54
 R06E | 1510   17   16   16   28   12   29   23  ---   10 |    39   43   42   57   39   53   54  ---    44
 R07E | 1860   18   17   15   12   20   23    8  284    7 |    26   26   26   30   36   35   27   77    26
 R08E | 1742   13   25   30   25 1897   21   16  ---   11 |    28   31   26   39 9999   39   34  ---    29
 R09M | 1072   24   25   16   10   18   28    7  ---    8 |    21   24   17   18   25   30   18  ---    16
 R10  | 1474   19   15   14   11   26   16   11  ---    7 |    31   28   24   26   27   28   19  ---    21
 R11  |  621   24   21   14   11   15   12   26  101    8 |    25   24   17   23   24   19   15   45    16
 R13M | 1546    7   11   11   16   14   15   16  ---    6 |    19   22   19   26   21   19   16  ---    16
 R14M |  620   21   16   22   15   16   14   22  ---    8 |    29   27   30   28   18   21   18  ---    21
 R15M | 2519   37   40   29   23   35   20   23  ---   12 |    43   48   42   43   45   38   31  ---    35
 R16M | 1446   20   20   23   26   19   52   15  ---   12 |    22   26   32   36   23   23   29  ---    21
 R17  |  850   33   38   20   16   28   15   17  ---    9 |    38   42   28   23   19   29   24  ---    24
 R18  |  557   17   21   11   16   27   12   21  ---    8 |    26   29   21   31   25   32   22  ---    23
 R19  |  897   54   58   28   22   39   20   27  ---   14 |    44   47   33   26   25   36   19  ---    26
 R20  |  745   14   50   24   26   17   38   31  ---   11 |    34   75   45   39   31   30   24  ---    24
 R21  |  829   25   26   20   10   29   11   26   83    9 |    42   44   47   37   24   35   26   36    34
 R22M |  551   28   32   23    6   29   12   29  ---   10 |    37   39   34   32   31   28   22  ---    29
 R23M |  642   13   21   10   16   18   16   16  ---    6 |    19   26   22   26   20   19   24  ---    18
 R24  | 1271   31   39   16   19   36   58   38  ---   15 |    53   59   33   32   30   37   40  ---    34
XR26  | ----  ---  ---  ---  ---  ---  ---    6  ---    0 |   ---  ---  ---  ---  ---  ---   25  ---    25
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1600   24   27   20   18  396   26   22  155      |T   37   41   35   37   34   37   30   89    31
 WRMS | 1600   27   29   20   15  396   21   22  155      |NE  36   43   31   29   25   30   23   40    25
 MEDI | 1072   20   21   17   16   20   20   17  101      |MD  31   31   30   32   27   32   25   77    25

Table 3.1992.5  GPS week: 1992   Day: 5   MJD: 58193                            

        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
------+---------------------------------------------------+-----------------------------------------------
 R01E |  692   30   34   23   12   28   20   21  ---   10 |    80   94   87   72   92   94   92  ---    86
 R02E | 1577   18   16   16    9   19   15   11   59    6 |    75   77   81   70   71   66   73   66    72
 R03E |  798   15   12   17   10   18   20   15   88    7 |    40   41   42   40   38   39   39   94    38
 R04E | 1067   18   15   12   10   18   30   13  ---    7 |    25   29   32   26   34   33   24  ---    26
 R05E | 3202   16   22   30   21   18   34   39  ---   12 |    94   96  101   89   89  104   71  ---    86
 R06E | 1618   44   56   39   27   31   36   40  ---   16 |    62   87   64   87   72   89   81  ---    72
 R07E | 1836   20   17   15   12   22   23   15  150    8 |    44   46   42   43   41   48   44   77    41
XR08E | 2752   22   28  ---   28  ---   41   28  ---   17 |    38   36  ---   43  ---   39   38  ---    35
 R09M | 1073   12   16   14   17   12   24   14  ---    7 |    23   27   21   31   25   35   23  ---    23
 R10  | 1229   11   18   13   20   12   14    9  ---    6 |    23   25   19   31   19   21   19  ---    21
 R11  |  602   23   28   10   10   22   31   11  116    8 |    27   28   20   22   23   35   17   31    18
 R13M | 1548   10   10   10   11   11   22   15  ---    6 |    19   23   21   20   25   16   16  ---    16
 R14M |  484   23   21   16    9   27   21   12  ---    8 |    22   21   23   26   28   33   19  ---    22
 R15M | 3085   40   42   30   22   30   26   31  ---   13 |    29   24   36   32   31   36   18  ---    25
 R16M | 1259   12   25   38   11   22   63   18  ---   13 |    28   38   25   22   32   35   25  ---    22
 R17  |  810   38   43   22   21   33   26   12  ---   11 |    27   29   21   25   18   31   22  ---    18
 R18  |  604   15   21   16    6   12   24   11  ---    6 |    19   24   20   18   20   25   21  ---    17
 R19  |  818   50   52   37   27   46   24   21  ---   15 |    20   24   22   26   33   23   17  ---    18
 R20  |  547   39   51   25   20   21   49   25  ---   13 |    29   48   38   41   36   25   24  ---    27
 R21  |  613   29   29   22   17   27   18   35   78   11 |    34   36   33   28   32   35   31   30    28
 R22M |  531   31   27   23   11   22   14   33  ---   10 |    31   31   28   34   32   25   19  ---    27
 R23M |  612   21   22   17   20   13   17   16  ---    8 |    19   20   23   30   36   25   20  ---    24
 R24  |  852   26   35   36   25   29   64   30  ---   15 |    37   40   45   32   24   22   28  ---    22
XR26  | ----  ---  ---  ---  ---  ---  ---    3  ---    0 |   ---  ---  ---  ---  ---  ---   24  ---    26
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1373   27   31   24   17   24   31   23  103      |T   36   41   38   38   38   40   33   59    33
 WRMS | 1373   27   30   24   14   17   25   21  103      |NE  27   31   27   27   25   27   22   30    21
 MEDI |  852   22   25   17   17   22   24   15   88      |MD  29   31   28   31   32   35   24   66    25

Table 3.1992.6  GPS week: 1992   Day: 6   MJD: 58194                            

        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
------+---------------------------------------------------+-----------------------------------------------
XR01E |12679   37   52   31  ---   47   40   50  ---   20 |    74   97   70  ---   82   84   57  ---    68
 R02E | 1083   16   13   20   13   19   16   11   45    7 |    90   89   98   91   92   84   88   94    90
 R03E | 1067   19   17   18   13   22   16   14  139    7 |    54   56   54   51   55   49   55  116    52
 R04E |  929   15    9   15   10   23   24   16  ---    7 |    34   33   36   36   34   40   31  ---    33
 R05E | 3880   21   37   26   20   19   27   31  ---   11 |    75   82   86   94   93   86   70  ---    82
 R06E | 1661   37   40   51   29   33   42   35  ---   17 |    82   86   81  104   88   83   96  ---    86
 R07E | 1693   18   14   16   14   12   20   18  185    7 |    54   55   50   55   50   54   66  101    53
XR08E | 3153   48   44  ---  ---  443   35   55  ---   34 |    54   56  ---  ---  698   40  101  ---    64
 R09M | 1107   15   17   11   11   21   24   12  ---    7 |    29   30   32   40   46   33   32  ---    33
 R10  | 1198   11   11    7   21    9   31   16  ---    7 |    39   37   28   40   28   36   25  ---    30
 R11  |  584   17   20   10   16   12   17   11  142    6 |    41   41   26   34   27   29   29   37    28
 R13M | 1095    8   14   10   17   19   19   23  ---    7 |    30   34   32   38   26   26   25  ---    28
 R14M |  572   25   30    9    7   25   21   14  ---    7 |    47   50   36   32   29   27   25  ---    30
 R15M | 1024   44   44   35   20   41   30   32  ---   15 |    60   62   53   37   39   45   22  ---    38
 R16M |  984   22   21   42   16   13   53   20  ---   13 |    32   32   38   40   33   35   29  ---    31
 R17  |  616   34   35   17   10   31   20   26  ---   10 |    55   55   44   33   21   45   28  ---    35
 R18  |  622   24   26   15   10   20   19   23  ---    8 |    38   35   33   34   24   37   28  ---    30
 R19  | 1729   37   32   24   20   27   35   19  ---   12 |    56   56   41   31   22   46   28  ---    32
 R20  |  729   48   68   21   22   32   44   28  ---   14 |    47   63   28   42   38   33   29  ---    32
 R21  |  821   27   32   20    8   35   16   24  104   10 |    55   58   52   38   32   48   37   61    40
 R22M |  532   33   35   26   11   35   20   36  ---   12 |    60   56   57   43   43   47   33  ---    44
 R23M |  922   22   22   13   29   12   20   16  ---    9 |    34   39   36   52   39   29   35  ---    37
 R24  | 1145   26   24   10   24   25   65   21  ---   13 |    55   58   52   52   30   30   41  ---    41
XR26  | ----  ---  ---  ---  ---  ---  ---    5  ---    0 |   ---  ---  ---  ---  ---  ---   28  ---    28
------+---------------------------------------------------+-----------------------------------------------
 RMS  | 1342   27   30   23   17   25   30   22  131      |T   51   54   48   48   72   46   43   81    44
 WRMS | 1342   27   28   23   14   18   26   22  131      |NE  48   50   38   38   27   38   30   49    32
 MEDI | 1067   24   26   17   16   23   24   20  139      |MD  54   56   41   40   38   40   31   94    35



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