Subject: [IGEXMail-0554] Wk 1028 CODE IGEX Analysis Report
From: [email-masked] (D. Ineichen)
Date: 26 Nov 1999 16:54:47

Precedence: bulk

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IGEX Electronic Mail    26-Nov-1999 16:54:47                   Message No 0554
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Author: [email-masked] (D. Ineichen)
Subject: Wk 1028 CODE IGEX Analysis Report

Author: CODE AC Team
 
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CODE IGEX REPORT GPS WEEK 1028 (DAYS 262-268, DATES 19-09-99 - 25-09-99)
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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:                                                           
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- 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)                                        
      - SUNM 50143M001 (Brisbane, Australia)                                   
      - YARR 50107M006 (Yaragadee, Australia)                                  

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FILES SENT TO GLOBAL DATA CENTERS:                                             
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COX1028N.EPH   GLONASS/GPS DAILY SATELLITE EPHEMERIDES, SP3 FORMAT (N=0..6)    
COX10287.SUM   THIS TEXT FILE                                                  
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------------------------------------------------------                         
FIVE DAY SOLUTION STATISTICS:                                                  
------------------------------------------------------                         
MIDDLE DAY  FILES  OBSERVATIONS   PARAMETERS  RMS (MM)                         
------------------------------------------------------                         
262          93    408287          9934        1.3
263          92    407447          9934        1.3
264          92    401541          9794        1.3
265          94    399467          9981        1.3
266          92    393267          9729        1.3
267          88    368823          9292        1.3
268          89    370233          9207        1.4
------------------------------------------------------                         

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 ORBIT REPEATABILITY FROM A 7-DAY FIT THROUGH DAILY ORBIT SOLUTIONS (CM)
 -------------------------------------------------------------------------------
     101 106 107 108 109E111E113E115E116E122
 -------------------------------------------------------------------------------
 262   9  14  11  10  14   9   9  14  18   9
 263  14  18  16  13  14  17  13  14  12  13
 264  10  11  10   7   9   7   7   8  11   7
 265   7  11  10   7   6   9   9   8  10   7
 266  13  13  14  12  10  13  10  12  16  13
 267   4   7   6   6   8   7   8   8  15   5
 268   8  10   7  10  12  14  11  15  18   9
 -------------------------------------------------------------------------------
 ALL  10  12  11   9  11  11  10  12  15   9
 -------------------------------------------------------------------------------
 Remark: These RMS values may be too optimistic, because we fit the middle days 
         of 5-day arcs with a 7-day arc.                                        

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 WEEKLY COORDINATE COMPARISON OF 1-DAY (Z1) SOLUTIONS                           
 -------------------------------------------------------------------------------
 TOTAL NUMBER OF STATIONS:    21
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                       WEEKDAY  RESIDUAL RMS IN MM
 STATION        #DAYS  0123456     N     E     U
 -------------------------------------------------------------------------------
 BRUG 13101M005     7  PPPPPPP     2     5    16
 DLFT 13502M006     6  PPP PPP     3     4     8
 GATR               6  PPPP PP     4     7     9
 GODZ               6  PPPP PP     -     -     -   FIXED
 GRAB 11011M004     7  PPPPPPP     2     3     5
 IRKZ               6  PPPP PP     8     7     9
 KHAB               7  PPPPPPP    13     9     6
 KR0G 10422M001     7  PPPPPPP     -     -     -   FIXED
 LINR 50124M001     5   PPPPP      7    39    31
 MDVZ               7  PPPPPPP     3     2     4
 METZ 10503M005     7  PPPPPPP     -     -     -   FIXED
 MTBG 11030M001     7  PPPPPPP     3     2     9
 MTKA 21741S002     6   PPPPPP    11     9    10
 OS0G 10402M004     7  PPPPPPP     -     -     -   FIXED
 REYZ 10202M003     7  PPPPPPP     2     1     7
 SUNM 50143M001     6   PPPPPP     -     -     -   FIXED
 THU2 43001M002     7  PPPPPPP     6     2     3
 VSLD 13502M008     6  PPP PPP     2    10    20
 WTZZ 14201M014     7  PPPPPPP     1     1     6
 YARR 50107M006     4   PPPP       -     -     -   FIXED
 ZIMJ 14001M006     7  PPPPPPP     2     3     6
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