Subject: [IGEXMail-0752] Wk 1057 CODE IGEX Analysis Report
From: [email-masked] (D. Ineichen)
Date: 04 May 2000 18:40:15

Sender: [email-masked]
Precedence: list

******************************************************************************
IGEXMail                04-May-2000 18:40:15                   Message No 0752
******************************************************************************

Author: [email-masked] (D. Ineichen) 
Subject: Wk 1057 CODE IGEX Analysis Report 

Author: CODE AC Team
 
*******************************************************************************
CODE IGEX REPORT GPS WEEK 1057 (DAYS 100-106, DATES 09-04-00 - 15-04-00)
*******************************************************************************
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
 
-------------------------------------------------------------------------------
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 ITRF97 coordinates:             
                                                                               
      - KR0G 10422M001 (Kiruna, Sweden)                                        
      - OS0G 10402M004 (Onsala, Sweden)                                        
      - SUNM 50143M001 (Brisbane, Australia)                                   
      - YARR 50107M006 (Yaragadee, Australia)                                  
      - ZIMZ 14001M005 (Zimmerwald, Switzerland)                               

-------------------------------------------------------------------------------
FILES SENT TO GLOBAL DATA CENTERS:                                             
-------------------------------------------------------------------------------
COX1057N.EPH   GLONASS/GPS DAILY SATELLITE EPHEMERIDES, SP3 FORMAT (N=0..6)    
COX10577.SUM   THIS TEXT FILE                                                  
-------------------------------------------------------------------------------

------------------------------------------------------                         
FIVE DAY SOLUTION STATISTICS:                                                  
------------------------------------------------------                         
MIDDLE DAY  FILES  OBSERVATIONS   PARAMETERS  RMS (MM)                         
------------------------------------------------------                         
100          97    336382          9301        1.1
101          99    341071          9095        1.1
102         101    347724          8900        1.1
103         102    350403          8653        1.1
104         105    357485          8941        1.1
105         108    367866          9417        1.1
106         107    366837          9359        1.1
------------------------------------------------------                         

 -------------------------------------------------------------------------------
 ORBIT REPEATABILITY FROM A 7-DAY FIT THROUGH DAILY ORBIT SOLUTIONS (CM)
 -------------------------------------------------------------------------------
     101 107 108 109 111 113 115 122
 -------------------------------------------------------------------------------
 100   8  10  10   4   4   6   4   4
 101   5   8   6   4   9   5   7   3
 102   7   8  10   7   8   6   5   7
 103   5   8   9   6   5   7   3   5
 104   7   7   6   8   9   5   6   4
 105   7   6   3   9   9   5   4   3
 106   9   7   9   5  --   5   4   4
 -------------------------------------------------------------------------------
 ALL   7   8   8   6   7   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:    23
 -------------------------------------------------------------------------------
                       WEEKDAY  RESIDUAL RMS IN MM
 STATION        #DAYS  0123456     N     E     U
 -------------------------------------------------------------------------------
 BIPD 10094M001     7  PPPPPPP     6    27    77
 BORG 12205M004     7  PPPPPPP     3     4    13
 CRAR 66001M004     1        P     -     -     -
 DAVR 66010M001     7  PPPPPPP     6     5    10
 DLFT 13502M006     7  PPPPPPP     2     1     3
 GATR               6  PPPPP P     8     6    12
 GOPE 11502M002     7  PPPPPPP     1     1     4
 GRAB 11001M004     7  PPPPPPP     2     3     3
 KR0G 10422M001     7  PPPPPPP     -     -     -   CONSTRAINED
 LHAZ 21613M002     4     PPPP     7     2    17
 MTBG 11030M001     7  PPPPPPP     2     1     5
 MTKA 21741S002     5    PPPPP    12     4     3
 OS0G 10402M004     7  PPPPPPP     -     -     -   CONSTRAINED
 REUN 97401M003     7  PPPPPPP     6    14    16
 REYZ 10202M003     7  PPPPPPP     3     5     6
 SUNM 50143M001     4  PP PP       -     -     -   CONSTRAINED
 THU2 43001M002     7  PPPPPPP     2     2     6
 TSKA 21730M003     6   PPPPPP    13     4     8
 VSLD 13502M008     6  P PPPPP     2     4    20
 WTZZ 14201M014     6  PP PPPP     2     2     4
 YARR 50107M006     7  PPPPPPP     -     -     -   CONSTRAINED
 ZIMJ 14001M006     7  PPPPPPP     2     2     3
 ZIMZ 14001M005     7  PPPPPPP     -     -     -   CONSTRAINED
 -------------------------------------------------------------------------------