From: dineiche@ubeclu.unibe.ch (D. Ineichen)
Author: M. Rothacher
Date: 24 Jun 1999 10:40:17 
Subject: [IGEXMail-0393] Wk 1006 CODE IGEX Analysis Report 

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IGEX Electronic Mail    24-Jun-1999 10:40:17                   Message No 0393
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Author: dineiche@ubeclu.unibe.ch (D. Ineichen)
Subject: Wk 1006 CODE IGEX Analysis Report


Author: M. Rothacher
 
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CODE IGEX REPORT GPS WEEK 1006 (DAYS 108-114, DATES 18-04-99 - 24-04-99)
*******************************************************************************
Submitted by: Astronomical Institute, University of Berne, Switzerland
              Products available through anonymous ftp using:
              ftp ubeclu.unibe.ch  -or-  ftp 130.92.6.17
              after login: cd aiub$ftp; cd code
 
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PROCESSING STRATEGY:                                                           
-------------------------------------------------------------------------------
- The analysis was done by fixing the GPS orbits and Earth rotation parameters 
  to the CODE final GPS solution.                                              
                                                                               
- The orbital parameters for the GLONASS satellites were estimated using double
  difference phase observations (including double differences between GLONASS  
  and GPS satellites). Six initial conditions and nine radiation pressure para-
  meters per satellite were determined. No pseudo-stochastic pulses have been  
  introduced up to now.                                                        
                                                                               
- So far only receivers providing dual frequency GPS and GLONASS or dual fre-  
  quency GLONASS measurements were included in the solution.                   
                                                                               
- The daily orbit results stem from the middle day of a 5-day arc.             
                                                                               
- The satellite clock values included in the precise orbit files are broadcast 
  clock values for the GLONASS satellites (no improvement done so far) and     
  precise CODE estimates for the GPS satellites.                               
                                                                               
- The following sites are constrained to their ITRF96 coordinates:             
                                                                               
      - GODZ 40451M123 (Greenbelt, USA)                                        
      - KR0G 10422M001 (Kiruna, Sweden)                                        
      - METZ 10503M005 (Metsahovi, Finland)                                    
      - OS0G 10402M004 (Onsala, Sweden)                                        
      - YARR 50107M006 (Yaragadee, Australia)                                  
      - ZIMZ 14001M005 (Zimmerwald, Switzerland)                               
                                                                               
                                                                               
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FILES SENT TO GLOBAL DATA CENTERS:                                             
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COX1006N.EPH   GLONASS/GPS DAILY SATELLITE EPHEMERIDES, SP3 FORMAT (N=0..6)    
COX10067.SUM   THIS TEXT FILE                                                  
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------------------------------------------------------                         
FIVE DAY SOLUTION STATISTICS:                                                  
------------------------------------------------------                         
MIDDLE DAY  FILES  OBSERVATIONS   PARAMETERS  RMS (MM)                         
------------------------------------------------------                         
108         130    495687         13791        1.2
109         130    486823         13535        1.2
110         127    448298         12839        1.2
111         124    405900         11921        1.2
112         119    381089         11493        1.2
113         114    341910         10671        1.2
114         109    308006          9954        1.2
------------------------------------------------------                         


 -------------------------------------------------------------------------------
 ORBIT REPEATABILITY FROM A 7-DAY FIT THROUGH DAILY ORBIT SOLUTIONS (CM)
 -------------------------------------------------------------------------------
     101 103 104 106 107 108 109 110 111 113 116 117 120 122
 -------------------------------------------------------------------------------
 108   7   5   4   4   5  20   6   9   4   4   5   6   6   5
 109  10   5   5   4   5  --   7   8   8   7   9   6   6   5
 110   5   3   5   3   3  20   4  --   4   3   6   5   5   3
 111  10   3   5   2   3  19   6  --   6   9   5   5   5   5
 112   6   3   3   2   2  11   3  --   9   5   4   3   4   3
 113  10   4   3   2   2  13   4  --   5   5   6   4   4   2
 114   9   5   5   5   3  11   7  --   8   3   5   5   7   4
 -------------------------------------------------------------------------------
 ALL   8   4   5   3   3  16   6   8   6   5   6   5   5   4
 -------------------------------------------------------------------------------
 Remark: These RMS values may be too optimistic, because we fit the middle days 
         of 5-day arcs with a 7-day arc.                                        
                                                                                
                                                                                
 -------------------------------------------------------------------------------
 WEEKLY COORDINATE COMPARISON OF 1-DAY (Z1) SOLUTIONS                           
 -------------------------------------------------------------------------------
 TOTAL NUMBER OF STATIONS:    29
 -------------------------------------------------------------------------------
                       WEEKDAY  RESIDUAL RMS IN MM
 STATION        #DAYS  0123456     N     E     U
 -------------------------------------------------------------------------------
 3SNA 49918S001     7  PPPPPPP    57   280    29
 BIPD 10094M001     5  PP PPP      3     5    16
 BORG 12205M004     7  PPPPPPP     3     5    14
 BRUG 13101M005     7  PPPPPPP     7    10    11
 DLFT 13502M006     7  PPPPPPP     2     3     4
 DLRA 14208M002     5  PPPPP       4     4    22
 GODZ               5  PPPPP       -     -     -   FIXED
 HERP 13212M009     7  PPPPPPP    20    18    42
 IRKZ               7  PPPPPPP     6    10     7
 KR0G 10422M001     7  PPPPPPP     -     -     -   FIXED
 LDS1 13215M001     7  PPPPPPP     7    14    14
 LINR 50124M001     6  PPPP PP    13    32    33
 LRBA 10093M001     2  PP          3     0     4
 MDOA 40442M008     7  PPPPPPP     7     9    10
 MDVZ               7  PPPPPPP     3     4     5
 METZ 10503M005     7  PPPPPPP     -     -     -   FIXED
 MTKA 21741S002     6  PPPP PP     5     5    11
 NPLC 13234M001     7  PPPPPPP    31    64    44
 OS0G 10402M004     7  PPPPPPP     -     -     -   FIXED
 REUN 97401M003     7  PPPPPPP     9    13    42
 SL1X 40446S001     1  P           -     -     -
 STRR 50119M002     7  PPPPPPP     3     9    10
 THU2 43001M002     7  PPPPPPP     3     5     5
 TSKA 21730M003     7  PPPPPPP     8     6    12
 VSLD 13502M008     4     PPPP     5     6    13
 WTZZ 14201M014     6  PPPPPP      2     2     5
 YARR 50107M006     7  PPPPPPP     -     -     -   FIXED
 ZIMJ 14001M006     7  PPPPPPP     3     3     3
 ZIMZ 14001M005     6  PPPPPP      -     -     -   FIXED
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