[IGSMAIL-5482]: IGS Ultra Comparison (IGU): 1401 4 00 (Resubmission)

Gerd Gendt3 igsacc at gfz-potsdam.de
Mon Nov 20 08:10:32 PST 2006


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IGS Electronic Mail      20 Nov 08:17:12 PST 2006      Message Number 5482
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Author:  AC Coordinator / GFZ Potsdam

Ultra Rapid IGS Orbit Comparison - Week 1401   Day: 4 Hour: 00  (Nov 16, 2006)

Contacts:  G. Gendt   (gendt at gfz-potsdam.de),
          Th. Nischan ( nisn at gfz-potsdam.de)


COMBINATION STRATEGY:
---------------------

For a complete description of the combination strategy along with all tables
and statistics, please refer to the IGS Final Combination reports posted on
CDDIS within 13 days after the end of the GPS week.

    
REMARKS concerning the Ultra Rapid Orbit Comparison:                                  
----------------------------------------------------

 1. The following Ultra-rapid orbits were excluded from the combination but
    kept for statistics:
    
             -> Centre: COU EMU ESU GFU GOU SIU USU IGU
    


    
ORBIT COMBINATION AND EVALUATION STATISTICS:                                    
--------------------------------------------                                    

Table 1: Daily transformation of each centre to the combined IGS Rapid orbit
         and clocks. 
         
         WRMS - RMS weighted by the centres SP3 header accuracy codes.
         STA  - Number of stations in the daily solutions.
         Units: mas, ppb, meters, nano-sec, nano-sec/day.
   
Table 1.1401.4   GPS week: 1401   Day: 4   MJD: 54055.000                            

CENT STA|  DX   DY   DZ    RX    RY    RZ  SCL  RMS WRMS |   TOFT  TDRFT    RMS
--------+------------------------------------------------+---------------------
brd  n/a|-.24  .04  .31  2.12  4.93   .62  9.8 1.18 1.18 |    -.0     .0  23.42
cou   75| .02  .02  .00  -.01  -.19  1.06  -.2  .13  .03 |     .3   -1.1  23.20
emu   55|-.00  .02  .02  -.12   .14  -.04  -.3  .08  .04 |   -1.8   -7.7   2.31
esu   40| .00  .03 -.01   .02   .07  -.32   .2  .05  .04 |     .6  -10.8   3.26
gfu   60|-.00  .02 -.00   .30   .49   .19  -.3  .06  .04 |   -4.0   -6.2   3.63
gou   40| .00  .05  .00  -.31  -.08   .78   .1  .23  .07 |   -3.6   -7.0   5.85
siu   42|-.03  .01 -.00   .21  -.26   .71 -1.0  .14  .09 |     .0     .0    .0 
usu   34| .01 -.01 -.01  -.41   .26   .06  -.1  .13  .07 |  -13.4  -28.6   4.69
igu  n/a|-.00  .02  .00  -.03   .17   .13  -.1  .08  .04 |   -3.6   -8.7   2.88
igr  n/a| .0   .0   .0    .0    .0    .0    .0  .0   .0  |  -20.4   -7.9    .0 

     
     
Table 2: Daily fit for each satellite and each centre resulting from the
         comparison of the individual solutions to the IGS Rapid solution.
         (first 6 hours of the prediction)

         The "igr" and "IGR" columns are zero since all centres are
        "MEDI" stands for median of the centre's satellite RMS.

         Units: cm.

Table 2.1401.4   GPS week: 1401   Day: 4   Hour: 00   MJD: 54055.000                            

        Weighted Average                              
 PRN  | brd cou emu esu gfu gou siu usu igu igr  IGR |
------+----------------------------------------------+
   1  | 200  14   8   6   8  25   9   9   8   0    0 |
   3  | 204   2   3   6   2   6   6   2   2   0    0 |
   4E | 295   3   2   6   6   9   6   1   2   0    0 |
   5  |  35   4   2   6   4   3   6   1   2   0    0 |
   6  |  55   2   6   3   4   2   7   6   2   0    0 |
   7  |  62   2   6   4   3   5  11   8   2   0    0 |
   8  | 120   2   5   3   6   3  14   4   2   0    0 |
   9  |  50   4   5   3   4   6  19   2   3   0    0 |
  10  | 154   2   4   3   1  14   9   4   2   0    0 |
  11E | 164   3   2   5   3   8  13   6   2   0    0 |
  13  | 118   4   5   4   6   7   6  10   5   0    0 |
  14  | 102   3  22   7   5   7   9   5   2   0    0 |
  15E | 165  13  24  13  17 ---  19  26  10   0    0 |
  16  |  62   2   3   3   3   7  18   2   2   0    0 |
  17  |  45   2   2   3   3  10   7   7   2   0    0 |
  18  | 107   2   2   3   3   2   7   5   2   0    0 |
  19  | 103   2   3   2   4   7  15   7   2   0    0 |
  20  | 127   4   4   4   6   8   6   7   4   0    0 |
  21E |  76   3   3   2   4   3   9   7   3   0    0 |
  22  |  76   3   4   3   3   6  14   6   2   0    0 |
  23  |  81   2   5   5   7   9  12   7   5   0    0 |
  24E |  78   3   5   6   4   9   6   2   2   0    0 |
  25  |  78   2   6   4   5   6   6   6   2   0    0 |
  26  |  80   9  11   3   3   6  20   9   4   0    0 |
  27  |  78   1   3   2   7   4  12   8   3   0    0 |
  28  |  83   2   2   3   3  15  20   5   2   0    0 |
  29  |  94  68  17 ---  13 115  46  55  40   0    0 |
  30  |  63   2   3   5   3   3   6   2   1   0    0 |
  31  |  42   4   4   5   5   7   5  11   2   0    0 |
------+----------------------------------------------+
 RMS  | 118  13   8   5   6  23  14  13   8   0      |
 WRMS | 118   3   4   4   4   7   9   7   4   0      |
 MEDI |  81   3   4   4   4   7   9   6   2   0      |

   
     
Table 3: Daily fit for each satellite and each centre resulting from the
         comparison of the individual solutions to the IGS Rapid solution.
         (24 hours of adjusted orbits)

         The "igr" and "IGR" columns are zero since all centres are 
         "MEDI" stands for median of the centre's satellite RMS.

         Remark: COU results for 06 UT are the prediction from the 00 UT
                 results, i.e. last 6 hours are predicted and
                 are therefore excluded from the comparison.

        Units: cm.

Table 3.1401.3   GPS week: 1401   Day: 3   Hour: 00   MJD: 54054.000

        Weighted Average                          
 PRN  | cou emu esu gfu gou siu usu igu igr  IGR |
------+------------------------------------------+
   1  |   5   8   2   6   7   5   3   3   0    0 |
   3  |   2   2   2   2   3   5   2   1   0    0 |
   4  |   2   2   3   3   4   6   3   1   0    0 |
   5  |   2   1   3   2   2   8   2   1   0    0 |
   6  |   2   3   2   1   3   5   3   1   0    0 |
   7  |   2   2   2   2   3   8   2   1   0    0 |
   8  |   2   3   2   3   3   9   3   2   0    0 |
   9  |   2   2   2   2   3  10   2   1   0    0 |
  10  |   2   3   1   2  10   5   3   1   0    0 |
  11  |   2   1   3   4   4   8   3   2   0    0 |
  13  |   2   4   3   2   6   4   3   2   0    0 |
  14  |   2   9   3   2   5   8   3   1   0    0 |
  15  |   3  14   3   3 ---   4  10   4   0    0 |
  16  |   1   1   2   1   4  10   2   1   0    0 |
  17  |   3   1   3   2   7  12   5   2   0    0 |
  18  |   2   2   2   2   3   6   3   1   0    0 |
  19  |   2   2   2   2   8   9   3   2   0    0 |
  20  |   2   2   3   2   5   6   2   2   0    0 |
  21  |   2   2   2   2   2   9   3   1   0    0 |
  22  |   2   3   3   2   5  11   4   1   0    0 |
  23  |   2   2   3   2   3   9   2   2   0    0 |
  24  |   2   3   3   2   4   5   2   2   0    0 |
  25  |   2   3   2   2   3   3   2   1   0    0 |
  26  |   2   2   2   3   5  13   3   2   0    0 |
  27  |   2   2   2   3   3   9   3   1   0    0 |
  28  |   1   1   2   2  10  13   2   2   0    0 |
  29  |   3   4 ---  17  14  32   4   2   0    0 |
  30  |   1   1   3   2   2   6   2   1   0    0 |
  31  |   2   2   3   2   5   8   3   2   0    0 |
------+------------------------------------------+
 RMS  |   2   4   3   4   6  10   3   2   0      |
 WRMS |   2   2   2   2   4   7   3   1   0      |
 MEDI |   2   2   2   2   4   8   3   1   0      |



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