Subject: [IGEXMail-0062] Wk 0980 CODE IGEX Analysis Report
From: [email-masked] (INEICHEN DANIEL)
Date: 10 Nov 1998 21:14:40

Precedence: bulk

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IGEX Electronic Mail    10-Nov-1998 21:14:40                   Message No 0062
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Author: [email-masked] (INEICHEN DANIEL)
Subject: Wk 0980 CODE IGEX Analysis Report

Author: M. Rothacher
 
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CODE IGEX REPORT GPS WEEK 0980 (DAYS 291-297, DATES 18-10-98 - 24-10-98)
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Submitted by: Astronomical Institute, University of Berne, Switzerland
              Products available through anonymous ftp using:
              ftp ubeclu.unibe.ch  -or-  ftp 130.92.6.11
              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 3-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.

- At present only the site ZIMZ (Zimmerwald, Switzerland) was constrained to 
  its ITRF96 coordinates.

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FILES AVAILABLE THROUGH ANONYMOUS FTP:
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COR0980N.EPH   GLONASS/GPS DAILY SATELLITE EPHEMERIDES, SP3 FORMAT (N=0..6)
COR09807.SUM   THIS TEXT FILE
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THREE DAY SOLUTION STATISTICS:
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MIDDLE DAY  FILES  OBSERVATIONS   PARAMETERS  RMS (MM)
------------------------------------------------------
291          51    192240          4389        1.4
292          34    136825          3115        1.4
293          37    149754          3434        1.4
294          37    169252          3624        1.4
295          32    136298          3150        1.4
296          24    108660          2551        1.4
297          21     91450          2209        1.4
------------------------------------------------------

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 ORBIT REPEATABILITY FROM A 7-DAY FIT THROUGH DAILY ORBIT SOLUTIONS (CM)
 -------------------------------------------------------------------------------
     103 104 106 109 110 111 112 113 115 116 117 118 120 122 
 -------------------------------------------------------------------------------
 291  35  24  21  79 127  90  96  89  90  71  22  19  32  28
 292  28  22  27  69 122  69  97  71  85  68  50  16  19  25
 293  30  38  28  78  97  65  78  62  75  83  21  14  19  24
 294  24  29  42  53  91  48  59  48  60  67  31  23  18  20
 295  31  29  60  62  72  75  64  57  64  96  44  35  15  27
 296  25  24  31  62 110  91  53  70  70  97  44  29  26  36
 297  39  27  43  95 124 112  84  88  89 104  31  31  26  23
 -------------------------------------------------------------------------------
 ALL  31  28  38  72 108  81  77  71  77  85  36  25  23  26
 -------------------------------------------------------------------------------

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 WEEKLY COORDINATE COMPARISON OF 1-DAY (Z1) SOLUTIONS  
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 TOTAL NUMBER OF STATIONS:    16
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                       WEEKDAY  RESIDUAL RMS IN MM
 STATION        #DAYS  0123456     N     E     U
 -------------------------------------------------------------------------------
 BORG 12205M004     2   PP         4     1     7
 BRUG 13101M005     6  PPPPPP      8     6     5
 DLRA 14208M002     3   P P  P    10     7    16
 GATR               2   PP        37    15     6
 GODZ               6  PPPPPP      5    14    10
 IRKZ               7  PPPPPPP     3     7    11
 KHAB               7  PPPPPPP     6    11     5
 KR0G 10422M001     6  PPPPP P     6     3     6
 LDS1 13215M001     2     PP       3     3     9
 METZ 10503M005     6  PPPPP P     6     5     9
 MTKA 21741S002     1  P           -     -     -
 OS0G 10402M004     1      P       -     -     -
 REYZ 10202M003     5  PPPPP       5     3     3
 SL1X 40446S001     2     PP       1     1     4
 VSLD 13502M008     1       P      -     -     -
 ZIMZ 14001M005     7  PPPPPPP     2     1     1
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