[IGSREPORT-459] ESA07107.SUM

[C.Garcia]

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IGS Electronic Report     27-AUG-1993 13:56:05       Message Number 459
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From: C.Garcia
Subj: ESA07107.SUM
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 -------------------------
 ANALYSIS CENTRE: ESA/ESOC
 -------------------------

 OUTLINE OF THE ESTIMATION OF GPS-ORBITS AND EARTH ROTATION PARAMETERS
 AT THE ESOC PROCESSING CENTRE FOR IGS

 J.M.Dow, J.Feltens, T.J.Martin-Mur, C.Garcia-Martinez

 Description of analysis for period 1993 Aug 15 - Aug 21
                                                        (week 0710)
 1. SOFTWARE USED:   GPSOBS/BAHN-Version 5

 2. MODELS USED AND PARAMETERS ESTIMATED/FIXED:

  For a description of models and parameters used ==> see IGS - Mail  51
  For updates of the models and parameters used   ==> see IGS - Mail 114 and
                                                      see IGS - Rep. 224,277
 3. REMARKS: On days 232 and 233, large deviations between the
             predicted and estimated orbits for satellite PRN03
             due to the lack of observations during the second
             half of day 232 and the first half of day 233.



 4. GROUND STATIONS: Boucher and Altamimi, IGS workshop Berne 24-27 March'93
                     IGS/IERS station coordinates in the ITRF91 at 1992.6
 ___________________________________________________________
 GPSweek|ALGO  HART  KOUR  MATE  RCM2  TROM  YAR1  |f |e |t
 0710___| FAIR  KIRU  MADR  MCMU  SANT  USUD  YELL |i |s |o
    |DAY|  GOLD  KOKB  MASP  PAMA  TIDB  WETT      |x.|t.|t.
 ---|---|------------------------------------------|--|--|--
    |227| FFF   FeF   eFe   e--   eFF   FeF   FF   |12| 6|18
    |228| FFF   FeF   eFe   eee   eFF   FeF   FF   |12| 8|20
    |229| FFF   FeF   eFe   eee   eFF   FeF   FF   |12| 8|20
    |230| FFF   FeF   eFe   ee-   eFF   FeF   FF   |12| 7|19
    |231| FFF   FeF   eFe   ee-   eFF   FeF   FF   |12| 7|19
    |232| FFF   FeF   eFe   eee   eFF   FeF   FF   |12| 8|20
    |233| FFF   FeF   eFe   eee   eFF   FeF   FF   |12| 8|20

    with: "F" ... coordinates of ground station kept fixed,
          "e" ... coordinates of ground station estimated,
          "-" ... ground station not included on that day.

 5. ORBIT FIT MINUS EXTRAPOLATION FROM PREVIOUS DAY, RMS IN <METER>

  \DAY|  227   228   229   230   231   232   233
   \  |
    \ |
  SAT\|
  ----|-------------------------------------------
   02 |  1.3   1.4   1.2   0.9   1.2   0.5   0.8
   03 |  0.4   0.3   0.7   0.9   0.3   1.4   2.6
   12 |  0.6   0.5   0.4   0.8   0.4   0.3   0.6
   13 |  1.0   0.5   0.6   0.4   0.2   0.5   0.6
   14 |  0.5   0.6   0.6   0.6   0.5   1.0   0.8
   15 |  0.6   0.6   0.6   0.5   0.3   0.7   0.5
   16 |  2.1   1.8   1.3   0.9   0.6   0.6   0.6
   17 |  0.8   1.1   0.7   1.5   1.4   1.2   0.8
   18 |  0.6   1.1   1.0   0.6   0.6   0.7   0.8
   19 |  0.3   0.4   0.5   0.5   0.5   0.5   0.4
   20 |  1.5   1.8   1.4   1.3   1.3   2.0   1.3
   21 |  1.0   1.1   0.5   0.7   1.2   0.8   0.8
   22 |  0.7   0.9   1.1   0.5   0.6   1.2   0.8
   23 |  1.2   0.3   0.6   0.6   0.8   0.6   0.5
   24 |  1.6   1.7   0.9   0.5   1.1   1.2   0.9
   25 |  1.1   0.2   1.1   0.6   0.5   0.3   0.7
   26 |  1.4   0.7   0.3   0.6   0.8   0.5   0.6
   27 |  0.4   0.3   0.4   0.4   0.3   0.6   0.3
   28 |  0.8   0.4   0.9   0.4   0.5   0.8   0.4
   29 |  0.4   0.4   0.6   0.7   0.7   0.5   0.8
   01 |  1.2   1.0   1.1   1.3   0.7   0.9   1.1
   31 |  0.5   0.4   0.5   0.9   0.5   0.6   0.8
   07 |  1.7   0.7   0.9   0.9   1.4   0.5   1.1
   09 |  1.2   0.7   0.5   1.0   0.4   0.3   1.0

 6. PRODUCTS GENERATED:

  The following products are generated and stored in CDDIS at NASA/GSFC:

  ESA0710*.EPH - Precise GPS orbits, *=0 for Sunday,..., 6 for Saturday
  ESA07107.ERP - Earth rotation results for week 0710 (including DUT1)
  ESA07107.SUM - This summary file

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