Subject: [IGEXMail-0311] Wk 0994 BKG IGEX Analysis Report
From: Heinz Habrich <[email-masked]>
Date: 28 Apr 1999 15:34:49

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IGEX Electronic Mail    28-Apr-1999 15:34:49                   Message No 0311
******************************************************************************

Author: Heinz Habrich <[email-masked]>
Subject: Wk 0994 BKG IGEX Analysis Report

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BKG IGEX ANALYSIS REPORT                  GPS WEEK 0994 (DAYS 024 - 030, 1999)
******************************************************************************
                                                                              
Submitted by:    Bundesamt fuer Kartographie und Geodaesie (BKG)              
                 Richard-Strauss-Allee 11, D-60598 Frankfurt Main, Germany    
                         Phone : +49-69-63331                                 
                         Fax   : +49-69-6333425                               
                         E-Mail: [email-masked]                              
                                                                              
Product access:  anonymous ftp to igs.ifag.de (141.74.240.26)                 
                 subdirectory IGEX/products/wwww                              
                                                                              
------------------------------------------------------------------------------
PROCESSING SCHEME:                                                            
------------------------------------------------------------------------------
SOFTWARE:                                                                     
    Bernese GPS Software                                                      
                                                                              
ORBIT COMPUTATION:                                                            
    Double difference phase observations of GLONASS and GPS satellites are    
    processed in ionosphere free linear combination.                          
                                                                              
    IGS orbits and Earth rotation parameters are fixed.                       
                                                                              
    Six initial conditions and nine radiation pressure parameters per         
    satellite are determined for GLONASS satellites.                          
                                                                              
    The middle day of a 3-day-arc is used for the daily orbit results.        
                                                                              
    The daily orbit files include GPS satellite clock values from IGS         
    estimates and broadcasted values for GLONASS satellite clocks.            
                                                                              
    The coordinates of the following stations are contrained to ITRF-96:      
    IRKZ OS0G YARR ZIMZ.                                                      
                                                                              
GLONASS/GPS TIME OFFSET:                                                      
    Code observations of combined GLONASS/GPS receivers are used to           
    determine the GLONASS/GPS time offset.                                    
                                                                              
    This offset includes the modulo 1 sec system time scale difference of     
    GLONASS and GPS and an additional offset between the receiver's           
    'GPS clock' and 'GLONASS clock'. The additional offset is receiver        
    dependent.                                                                
                                                                              
TRANSFORMATION PARAMETERS BETWEEN ITRF AND PZ90:                              
    The transformation parameters are derived from GLONASS precise orbits     
    (given in ITRF) and GLONASS broadcast orbits (given in PZ90).             
------------------------------------------------------------------------------

                                                                              
------------------------------------------------------------------------------
ORBIT REPEATABILITY, DAILY SOLUTIONS COMPARED TO 7-DAY-ARC (CM):              
------------------------------------------------------------------------------
     GLONASS Satellites:                                                      
     103 104 106 107 108 109 110 111 113 116 117 120 122
------------------------------------------------------------------------------
  24   9  11  19  --  --  18  23  26  11  15  11  16  12
  25   7  15  11  --  --  21  27  10  14  23  14  12  17
  26  13   6  20  --  --  16  19  14  16  20  16   8  10
  27  13  17   4  --  --  13  31   8  13  22  18  10  18
  28   9  21   5  --  --  17  24  10   8  16  14  12   9
  29   9  14  13   5  13  25  28  34  10  16  18  17  16
  30  10  15   8  10  25  17  34  17  11  21  13  12  18
------------------------------------------------------------------------------
 ALL  10  15  13   8  20  18  27  19  12  19  15  13  15
------------------------------------------------------------------------------

                                                                              
------------------------------------------------------------------------------
GLONASS/GPS TIME OFFSET:                                                      
------------------------------------------------------------------------------
         OFFSET    (NS)                                                       
         RMS ERROR (NS)                                                       
DAY    :       024       025       026       027       028       029       030
STATION                                                                       
------------------------------------------------------------------------------
3SNA       977.410   993.942   978.496   994.665             987.766   979.337
             1.009     1.009      .992     1.047               1.020      .927
BIPD       973.294   988.718   992.565   979.909  1001.261   986.055   982.937
             1.143     1.058     1.048     1.046     1.051     1.070     1.019
BORG       970.658   982.466   984.860   978.637   995.170   980.874   976.456
             1.029      .943      .953      .947      .967      .929      .899
BRUG       971.100   985.867   988.278   980.754   998.160   986.334   978.846
             1.019      .954      .960      .957      .966      .981      .918
CRAR      -118.009                      -109.743  -110.492  -109.724          
              .877                          .890      .882      .834          
CSIR                           992.298             996.390   982.310   975.829
                                 1.018               1.006     1.142      .920
DLRA                                                         982.413   974.807
                                                                .985      .918
EKAT                -100.901  -101.674  -105.678            -103.431          
                        .906      .886      .914                .898          
GRAB                  34.816    36.678    26.177    45.311    31.465    28.660
                        .950      .963      .981      .971      .918      .875
HERP       984.424   992.454   993.789   981.106  1002.069   985.100   981.815
             1.481     1.036     1.057     1.018     1.078     1.062      .981
IRKZ        23.882    37.408    34.593    29.914    39.535    28.473    27.914
              .965      .924      .902      .925      .938      .954      .911
KHAB        19.665    32.587    25.017    23.912    33.013    19.570    19.703
              .960      .950      .910      .937      .949      .958      .920
KR0G                                               -16.282   -34.884   -39.494
                                                      .893      .863      .808
LDS1      -975.027  -953.548  -952.321  -975.566  -950.334  -973.093  -969.789
             2.600     1.356     1.441     1.290     1.491     2.766     1.311
LRBA        19.967    31.666    34.562    14.854    43.117    27.164    21.750
             1.004      .957     1.399     1.803      .971      .914      .859
MDOA      -122.454  -106.814  -115.693  -105.670  -102.442  -111.665  -117.806
              .970      .957      .953      .981      .996      .975      .880
MDVZ        28.397    38.184    40.213    33.758    49.324    35.735    35.578
              .956      .908      .918      .910      .932      .939      .862
METZ         9.701    21.493    18.332    17.787    28.092    16.911    15.838
              .929      .891      .877      .915      .920      .948      .906
NPLC       974.560   987.508   994.397   980.577   998.726   984.614   978.234
             1.030      .955     1.271      .974      .978     1.020      .916
OS0G         7.300              22.424    16.400    31.083    17.492    13.844
              .974                .900      .907      .925      .897      .824
REUN        26.544    29.122    32.507    28.659    40.758    31.877    19.057
             1.690     1.822     1.287     1.259     1.172     1.164     1.324
SANG                                     972.521   977.533                    
                                           1.022     1.026                    
STRR        11.700    19.786    14.461    19.032    16.073    19.057     7.103
             1.021     1.017     1.005     1.018      .994      .998      .895
SUNM       -50.810   -40.195   -43.509   -42.683   -47.458   -44.228   -51.166
             1.022      .998     1.002     1.013      .968     1.004      .912
SVT3      -116.057  -106.832  -107.780  -111.644   -96.603  -109.273  -111.886
              .930      .882      .890      .902      .910      .886      .817
THU2                  27.639    24.570    24.739    34.547    25.258    18.979
                       1.205      .835      .864      .876      .864      .789
TSKA        16.483    28.573    22.447    20.455    24.549    15.130    14.828
              .991      .983      .933      .975      .983      .984      .859
USNX       974.718   980.772   977.953   979.726   991.706   983.601   971.473
              .996      .995      .987     1.030     1.048     1.003      .960
VSLD       971.210             988.372   983.910   998.600   985.095   978.415
             1.033                .996     1.070      .982      .993      .935
YAKT      -118.228  -105.102  -110.657  -112.780  -102.140  -115.505  -116.233
              .906      .878      .855      .885      .901      .882      .793
YARR        40.111    45.180    46.180    41.488    48.335    46.640    38.154
              .978     1.006      .974      .985      .977      .960      .868
ZIMZ          .026    14.372    16.227     6.539    27.400    10.916     7.855
              .976      .938      .943      .948      .965      .910      .869
------------------------------------------------------------------------------

                                                                              
------------------------------------------------------------------------------
STATISTICS FOR 1 DAY SOLUTIONS:                                               
------------------------------------------------------------------------------
                                                                              
DAY     OBSERVATIONS       PARAMETERS          RMS (M)                        
------------------------------------------------------------------------------
024            96162             2679            .0015                        
025           105469             2748            .0016                        
026           118589             3223            .0017                        
027           121245             3129            .0016                        
028           128999             3234            .0015                        
029           134442             3447            .0015                        
030            92081             3305            .0017                        
------------------------------------------------------------------------------

                                                                              
------------------------------------------------------------------------------
COORDINATE COMPARISON FOR 1 DAY SOLUTIONS:                       GPS WEEK 0994
------------------------------------------------------------------------------
TOTAL NUMBER OF STATIONS:    29
------------------------------------------------------------------------------
                      WEEKDAY  RESIDUAL RMS IN MM
STATION        #DAYS  0123456     N     E     U
------------------------------------------------------------------------------
3SNA               6  PPPP PP   145   268   154
BIPD               7  PPPPPPP     6    13    26
BORG               7  PPPPPPP     3     9    16
BRUG               5  PPPPP       4    10    19
CRAR               4  P  PPP     10    17     2
DLRA               2       PP     3    11     7
EKAT               4   PPP P      3     5     6
GRAB               6   PPPPPP     3     4     5
HERP               4  PPP   P    23    25    80
IRKZ               7  PPPPPPP     -     -     -   FIXED
KHAB               6  PPPPPP      1     8     6
KR0G               3      PPP     2     4     5
LDS1               7  PPPPPPP     5    16    28
LRBA               7  PPPPPPP     4     5    11
MDOA               7  PPPPPPP   103   135    57
MDVZ               6  PPPPPP      4     3     3
METZ               6  PPPPPP      3     3     9
NPLC               5  P P PPP    76    25    69
OS0G               6  P PPPPP     -     -     -   FIXED
REUN               7  PPPPPPP    10    14    20
STRR               7  PPPPPPP    12    13    18
SUNM               7  PPPPPPP     8    15    12
SVT3               6  PPPPPP      3     2     6
THU2               6   PPPPPP     6     6    13
TSKA               7  PPPPPPP     2    10    10
VSLD               6  P PPPPP     3    10    18
YAKT               7  PPPPPPP     2     7     8
YARR               7  PPPPPPP     -     -     -   FIXED
ZIMZ               7  PPPPPPP     -     -     -   FIXED
------------------------------------------------------------------------------

                                                                              
------------------------------------------------------------------------------
STATISTICS FOR 3 DAY SOLUTIONS:                                               
------------------------------------------------------------------------------
                                                                              
MID-DAY OBSERVATIONS       PARAMETERS          RMS (M)                        
------------------------------------------------------------------------------
024           321766             7248            .0016                        
025           320220             7367            .0016                        
026           345303             7876            .0017                        
027           368833             8360            .0017                        
028           384686             8603            .0016                        
029           355522             8634            .0016                        
030           354179             9302            .0017                        
------------------------------------------------------------------------------

                                                                              
------------------------------------------------------------------------------
TRANSFORMATION PARAMETERS BETWEEN ITRF AND PZ90:                              
------------------------------------------------------------------------------
USAGE:                                                                        
                                                                              
         | X |      | X |   | DX |   | SCALE    RZ   -RY |   | X |            
         | Y |  =   | Y | + | DY | + |   -RZ SCALE    RX | * | Y |            
         | Z |      | Z |   | DZ |   |    RY   -RX SCALE |   | Z |            
          ITRF       PZ90                                     PZ90            
                                                                              
------------------------------------------------------------------------------
                                          RMS = RMS of transformed coordinates
          DX     DY     DZ      RX      RY      RZ    SCALE   RMS
DAY       [m]    [m]    [m]   [mas]   [mas]   [mas]   [10E6]  [m]             
------------------------------------------------------------------------------
024      .345  -.215  -.117   43.27   -8.50 -298.76    .0186  4.50
025     -.004  -.067  -.008   40.13  -13.19 -315.67    .0139  4.15
026      .180  -.296   .060   42.15  -15.01 -339.32    .0073  4.11
027     -.211  -.262   .182   41.19  -19.13 -355.54    .0088  3.91
028      .007   .189   .212   40.29  -13.57 -369.84    .0081  5.39
029     -.416  -.133  -.214   38.09  -13.23 -363.28    .0095  5.82
030      .170   .245  -.162   39.73  -10.46 -359.95    .0089  6.36
------------------------------------------------------------------------------