[IGSREPORT-26027] Wk 2008 IGS Final Orbits

acc acc at igs.org
Sat Jul 21 05:04:07 PDT 2018


Author:  AC Coordinator / GA MIT 

sum-file Version 2.0
Final IGS Orbit Combination - Week 2008   (Jul 01, 2018 - Jul 07, 2018)

Contacts: acc at igs.org


COMBINATION STRATEGY:
---------------------

Starting with GPS week 860, the IGS Final orbit combination is done directly
in the ITRF without any alignment to the Bulletin B EOP series.

Each centre satellite clock corrections are first transformed to a common 
reference. One of the following two methods can be used (the REMARKS section of
this report gives which method is used):
[1] For each centre, a clock offset and a drift are estimated with respect to
    the broadcast clock corrections using only non-SA satellites;
[2] A chosen reference centre is aligned to the broadcast clock corrections
    using all satellites. All other centres are then aligned to that reference
    centre. 
The offsets and drifts are used to align each centre satellite clock
corrections to GPS time. Ephemerides and clock corrections are then combined
as weighted averages computed over all centres. Each centre is given a
position weight and a clock weight. The position weights are computed from
each centre's absolute deviation to the unweighted average orbit after the
estimation of a 7-parameter Helmert transformation. The clock weights are
either computed from [1] the absolute deviation of the initial alignment to
broadcast clock for the non-SA satellites, or [2] from the absolute deviation
of centre's aligned clock corrections with respect to the unweighted mean.
Finally, a 7-parameter Helmert transformation and clock offset and drift are
estimated for each centre with respect to the combined solutions and parameters
and RMS of fit reported. All the above estimations are performed using the
L1-norm robust scheme.

  Each centre ephemerides are also evaluated individually and independently from
the orbit combination by using week long arcs. The Earth Orientation Parameters
(EOP) used in this evaluation are those submitted by the respective centres.
The IGS combined orbits/clocks and all centres providing both orbit and clock 
solutions are further evaluated by an independent point positioning (navigation)
program that uses both phase and pseudorange data at each SP3 epoch. This is
primarily intended for testing clock solution precision as well as the
orbit/clock consistency.

 Like the clock solutions broadcast in the navigation message, the combined
satellite clocks are corrected for the periodical relativistic correction (see
e.g. GPS interface Control document ICD-GPS-200, p.73):

                              -2*(X.V)/c  [distance unit],

where X and V are the inertial sv state and velocity vectors and c is the speed
of light. Also for compatibility with broadcast GPS time, the IGS clocks use
the linear combination of phase-smoothed P1 and P2 pseudorange data to remove
the 1st order ionospheric delay, with no other delay calibrations applied.


SOFTWARE:
---------

The weighted average software used was originally developed by T. Springer
and G. Beutler in 1993. The GPS long arc orbit analysis software used here for
individual centre ephemeris evaluation was developed by Beutler et al. at the
Astronomical Institute of the University of Bern (AIUB). For more details on
the orbit combination and complete references for both software see:

  Beutler G., Kouba J. and T. Springer, 1995, Combining the orbits of the IGS 
  Analysis Centers, Bulletin Geodesique, 69, pp 200-222.

  Kouba J., Mireault Y. and F. Lahaye, 1995, 1994 IGS Orbit/Clock Combination
  and Evaluation, Appendix I of the Analysis Coordinator Report, International
  GPS Service for Geodynamics (IGS) 1994 Annual Report, pp. 70-94.

  Kouba J. and Y. Mireault, 1996, IGS Analysis Coordinator Report, 
  International GPS Service for Geodynamics (IGS) 1995 Annual Report, 
  pp. 45-76.

  Kouba J. and Y. Mireault, 1997, Analysis Coordinator Report, 
  International GPS Service for Geodynamics (IGS) 1996 Annual Report, 
  pp. 55-100.


PRODUCTS GENERATED:
-------------------

The resulting average ephemeris and clocks are output to daily files in SP3
format. The satellite accuracy codes displayed in the header are based on the
weighted RMS for each satellite over each daily arc. Note that each file
contains all the satellites that appear in any of the centre ephemeris files.
If a satellite or centre was excluded from combination, a note in the REMARKS
section of this report will identify the exclusion and the reason.

The resulting x and y earth rotation parameters (ERP) associated with the IGS
ephemeris files and their rates (xrt, yrt) are computed using a weighted average
of all available centres (as part of the separate SINEX combination since GPS
week 1051; weighted according to the orbit combination before that time). 

Starting with GPS wk 0894, IGS LOD combinations were implemented in the 
Final IGS solutions. AC LOD biases with respect to Bulletin A are estimated
using Bulletin A most recent 10 days, i.e. up to 5 days prior to the last
non-predicted day of Bulletin A. AC LOD biases are removed and the new AC
bias-free LODs are used to compute a weighted IGS LOD which in turn is
integrated into IGS UT1-UTC. The starting UT1-UTC value is chosen as Bulletin
A fifth day prior to its last non-predicted day. Both IGS LOD and UT1-UTC
values are printed in the IGS Final erp file.



The Final Orbit files generated and uploaded into CDDIS @ NASA/GSFC are:

igs2008[0-6].sp3  IGS GPS ephemeris files in SP3 format.
igs2008[0-6].clk  IGS GPS satellite and station clocks in clock RINEX format.
igs2008[0-6].cls  IGS GPS clock combination summary report.
igs20087.erp      Earth Rotation Parameters (ERP) and their rates as well as
                  Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                  with IGS ephemerides.
igs20087.sum      Complete report.

    
REMARKS concerning the IGS Orbit Combination:                                  
---------------------------------------------

 1. The centres used in the clock combination are COD, EMR, ESA, GFZ, GRG, MIT, and
    JPL. The other centres are excluded because of poorer consistency, they provide
    broadcast clocks, or clock corrections are not provided (SIO). The clock
    information not used is still compared to the combination for completeness. The
    value of 999999.999999 microseconds, according to the SP3 format convention,
    signifies that no clock solution is available and therefore must not be used.
    
    In general, if an AC does not contribute to the terrestrial reference frame
    (i.e. the SINEX combination), then any corresponding orbits & clocks
    contributed from that AC should not be included with weight in this
    combination. This is done to ensure a high level of consistency between the TRF
    and the orbital frame. However, there is an exception for the clocks if the AC
    is the reference center. In that case, only the clocks from that AC are
    included with weight.
    
    Starting week 1707:
      cod = cof${wwww}[0-6].[clk,snx,sp3] & cod = cof${wwww}7.[erp,sum]

 2. Rapid (IGR) orbits/clocks are included in the combination for statistics only.
    Starting week 1582, a new orbit solution from CNES/GRGS (GRG) is included with
    weight. GRG clocks are included with weight starting 12-Aug-2012 (GPS Week
    1701, day 0, MJD 56151), after a procedural change to generate estimates in
    the center-of-figure frame instead of the center-of-mass frame. GRG LOD
    estimates are included for comparison only.

 3. The following centre clock solutions, which provide broadcast clock
    corrections, were excluded from the combination but kept in the combination
    statistics:
             -> Centre: NGS 

 4. The following clock solutions were excluded from the combination because they
    were biasing the combined clock solutions (clock shifts/outliers) but were
    kept for the RMS computation. Duplicate entries can arise due to separate
    combination runs for the 30-s clocks ACs (listed first) and the 5-min clock
    ACs (listed second).
    
               Day | Centre | PRN/STA list
               ----+--------+---------------
                0  |  COD   | 21 21 KOUR NAUR TIXI IRKJ NAUR TIXI
                0  |  ESA   | 18 19 20 21 22 18 LAUT POLV UNSA ZAMB WIND ZAMB
                0  |  GFZ   | 18 18 HERS IRKJ KOUR REUN HERS IRKJ KOUR REUN
                0  |  GRG   | 18 18 FAA1 FAA1
                0  |  JPL   | LAUT POLV ZAMB
                0  |  MIT   | CEDU CHPI DUBO FALK FLIN HARB HLFX HOB2 IISC KAT1
                0  |  MIT   | SCH2 STR1 SUTH VILL WAB2 CEDU CHPI DUBO FALK FLIN
                0  |  MIT   | HARB HLFX HOB2 IISC KAT1 SCH2 STR1 SUTH VILL WAB2
                0  |  MIT   | ZAMB
                1  |  COD   | IRKJ TIXI TIXI
                1  |  EMR   | USUD
                1  |  ESA   | 18 22 18 22 MAL2 CORD MAL2
                1  |  GFZ   | 18 18 GODE IRKJ MAL2 REUN GODE IRKJ MAL2 REUN
                1  |  GRG   | 18 18 21 IRKJ PIMO TUVA
                1  |  JPL   | 6 6 18 NYAL
                1  |  MIT   | ALBH BAKE CHPI CHUR FLIN HARB HLFX IISC MAL2 SCH2
                1  |  MIT   | SUTH ALBH BAKE CHPI CHUR FLIN HARB HLFX IISC MAL2
                1  |  MIT   | SCH2 SUTH
                2  |  COD   | 1 1 NOVM TIXI COCO FAA1 NAUR NOVM TIXI
                2  |  EMR   | 1 1
                2  |  ESA   | 18 BOGT MAL2 NOVM THU2 BOGT FAA1 FLRS MAL2 NOVM THU2
                2  |  GFZ   | 18 24 1 24 BOGT FLRS GODE KOUR MAL2 NRMD REUN ZAMB
                2  |  GFZ   | BOGT FAA1 FLRS GODE KOUR MAL2 NRMD REUN SUTH
                2  |  GRG   | BRST HYDE LHAZ TOW2 TRO1 ULAB WIND BOGT BRST HYDE
                2  |  GRG   | LHAZ TOW2 TRO1 ULAB WIND
                2  |  JPL   | 6
                2  |  MIT   | BAKE BRST CHPI DRAO FLIN HARB IISC KIRU SCH2 SUTH
                2  |  MIT   | VILL BAKE BRST CHPI DRAO FLIN HARB IISC KIRU SCH2
                2  |  MIT   | SUTH VILL
                3  |  COD   | TIXI URUM LMMF NAUR TIXI URUM
                3  |  ESA   | 18 22 18 MAL2 PDEL KIT3 MAL2 PDEL SOFI TLSE
                3  |  GFZ   | 18 18 GODE KERG KOUR MAL2 NOVM PDEL REUN ARTU GODE
                3  |  GFZ   | IRKJ KERG KOUR MAL2 NOVM PDEL REUN
                3  |  GRG   | 18 18 BRST COCO GLSV IRKJ KIT3 STJO WIND BRST COCO
                3  |  GRG   | FAA1 GLSV IRKJ KIT3 STJO WIND
                3  |  JPL   | KERG MAL2 NOVM
                3  |  MIT   | ALBH BAKE BRST CHPI CHUR DARW FALK HOB2 PDEL STR1
                3  |  MIT   | SUTH VILL WAB2 WHIT ALBH BAKE BRST CHPI CHUR DARW
                3  |  MIT   | FALK HOB2 PDEL STR1 SUTH VILL WAB2 WHIT
                4  |  COD   | MAL2 MAS1 TIXI ULAB MAL2 MAS1 NAUR NRMD TIXI
                4  |  EMR   | 18 VILL
                4  |  ESA   | 18 18 ABPO MAL2 MAS1 MAW1 WIND ABPO MAL2 MAS1 MAW1
                4  |  ESA   | WIND
                4  |  GFZ   | 18 18 ABPO FAIR GODE IRKJ REUN ABPO BOGT DGAR FAIR
                4  |  GFZ   | GODE IRKJ KOUC REUN
                4  |  GRG   | BOGT FAA1 FAIR GLSV KIT3 BOGT DAV1 FAA1 FAIR GLSV
                4  |  GRG   | KIT3
                4  |  JPL   | 18 18 MAR6 SAVO LAUT SAVO
                4  |  MIT   | BAKE BOGT BRST CHPI DRAO FAA1 FALK FLIN GRAZ HLFX
                4  |  MIT   | HOB2 SCH2 SUTH WAB2 WHIT BAKE BOGT BRST CHPI DRAO
                4  |  MIT   | FAA1 FALK FLIN GRAZ HLFX HOB2 MAW1 MIZU SCH2 SUTH
                4  |  MIT   | WAB2 WHIT
                5  |  COD   | MAL2 TIXI KIRI MAL2 TIXI
                5  |  EMR   | 18
                5  |  ESA   | 18 18 GUAT MKEA GUAT MKEA WIND
                5  |  GFZ   | 18 18 FAA1 FLRS GODE IRKJ MAL2 REUN FAA1 FLRS GODE
                5  |  GFZ   | IRKJ MAL2 REUN
                5  |  GRG   | FAA1 GLSV KIT3 LPGS ULAB FAA1 GLSV KIT3 LPGS ULAB
                5  |  GRG   | WIND
                5  |  JPL   | 18 18 LAUT
                5  |  MIT   | BAKE BRST CHUR FAA1 FLIN NRC1 SCH2 STR1 SUTH TIDB
                5  |  MIT   | WAB2 WHIT BAKE BRST CHUR FAA1 FLIN NRC1 SCH2 STR1
                5  |  MIT   | SUTH TIDB WAB2 WHIT
                6  |  COD   | FAA1 TIXI KIRI TIXI
                6  |  EMR   | 18
                6  |  ESA   | 18 18 CORD ARTU CORD MAL2
                6  |  GFZ   | 18 18 GODE REUN SOFI GODE REUN SOFI
                6  |  GRG   | 21 21 GLSV IRKJ MOBS ULAB WIND GLSV IRKJ MOBS RABT
                6  |  GRG   | ULAB WIND
                6  |  JPL   | 18 LAUT
                6  |  MIT   | BAKE CHPI CHUR FALK FLIN HLFX KAT1 SCH2 STR1 SUTH
                6  |  MIT   | WAB2 WHIT BAKE CHPI CHUR FALK FLIN HLFX KAT1 SCH2
                6  |  MIT   | STR1 SUTH WAB2 WHIT

 5. Starting on 22-Oct-2000 (GPS Week 1085-0; MJD=51839) all IGS clock products
    are based on the new clock combination scheme which uses the clock RINEX
    files as input if available, otherwise SP3 clocks are used. The AC clocks are
    corrected for the radial offsets of their satellite orbits compared to the
    combination.

 6. Starting 5-Nov-2006 (GPS Week 1400, day 0, MJD 54044) until 16-Apr-2011 (GPS
    Week 1631, day 6, MJD 55667) all IGS products, including the IGS combined
    orbits, are based on the IGS realization of the ITRF2005 reference frame
    (IGS05). For more information see IGSMAIL #5447. The IGS05 frame is also the
    basis for the homogeneously reprocessed IGS products from GPS Weeks 730 to 1459
    (1994-2007); see IGSMAIL #6136.
    
    Starting 17-Apr-2011 (GPS Week 1632, day 0, MJD 55668) all IGS products, are
    based on the IGS realization of the ITRF2008 reference frame (IGS08). For more
    information see IGSMAIL #6354.
    
    Starting 07-Oct-2012 (GPS Week 1709, day 0, MJD 56207) all IGS products, are
    based on the updated IGS08 frame (IGb08). For more information see IGSMAIL
    #6663.
    
    Starting 29-Jan-2017 (GPS Week 1934, day 0, MJD 57782) all IGS products,
    are based on the IGS realization of the ITRF2014 reference frame (IGS14).
    For more information see IGSMAIL #7399.

 7. Small rotations were applied to all the AC orbit and ERP values in order to
    align them to the current IGS reference frame. These RX, RY and RZ rotations
    were estimated in the IGS SINEX combination process, performed by the IGS
    Reference Frame Coordinator at the Institut Geographique National (IGN).
    Starting on 19-Aug-2012 (GPS Week 1702; MJD=56158), ACs began contributing
    products based on 1d SINEX integrations. As a result, the SINEX combinations
    are now done daily instead of weekly, and the associated daily rotations are
    applied here to the orbits and ERPs. The estimated 7 transformations, from
    which only the 3 rotations are applied to the orbit and ERP values, are:
    
            |     |    DX     DY     DZ      RX     RY     RZ     SCL
     Centre | Day |   [mm]   [mm]   [mm]   [uas]  [uas]  [uas]   [ppb]
     -------+-----+---------------------------------------------------
       COD  |   0 |    -.4     .1     .5       6      8      1    -.31
       EMR  |   0 |   -1.6    2.6   -2.2      -7     -6     33    -.03
       ESA  |   0 |     .3    -.7    -.2       3    -11     17    -.34
       GFZ  |   0 |     .3     .4     .1      -3    -33      0    -.25
       GRG  |   0 |    4.2     .3    4.8      15     -2     45    -.33
       JPL  |   0 |    4.5   -4.1   -6.8       1      6      7    -.35
       MIT  |   0 |     .1   -3.1    5.8      -6     58      9    -.05
       NGS  |   0 |   -4.1   -3.5    3.6      26    -46     -5    -.12
       SIO  |   0 |   -2.7    1.4   -4.5     -13      8      2     .07

       COD  |   1 |    -.0     .5     .9      16     16    -22    -.37
       EMR  |   1 |     .0    9.9    1.6      11     16    -42    -.01
       ESA  |   1 |    -.1    -.9    -.4       1    -10      8    -.38
       GFZ  |   1 |     .1     .3    -.0       2    -21     -5    -.20
       GRG  |   1 |    1.5   -7.4    4.2      33    -16     36    -.18
       JPL  |   1 |    1.6   -4.4    -.8      -2     14     11    -.39
       MIT  |   1 |    1.3   -6.6    6.2       1     45     10    -.02
       NGS  |   1 |   -1.8   -3.4    3.2      22    -50    -19    -.28
       SIO  |   1 |   -2.1     .1    1.8       3      6    -11    -.03

       COD  |   2 |     .2     .3    1.1      15     17    -11    -.32
       EMR  |   2 |   -9.5    5.9    4.5      -2     47    -27    -.11
       ESA  |   2 |    -.2    -.9     .5      -9     15     24    -.35
       GFZ  |   2 |     .0     .5    -.0       2    -22     -6    -.19
       GRG  |   2 |    1.4   -1.9   14.3      35     -6     26    -.34
       JPL  |   2 |    7.9   -6.8   -3.5       9     -6    -15    -.44
       MIT  |   2 |    1.9   -5.9    4.8     -17     29     10     .07
       NGS  |   2 |   -4.1   -3.2     .8      24    -20    -60    -.32
       SIO  |   2 |   -2.5   -2.7   -9.6     -15      2    -12    -.16

       COD  |   3 |    -.0    -.0    1.0       9     15    -12    -.56
       EMR  |   3 |   -1.5   -1.3    -.5      12     30    -35    -.07
       ESA  |   3 |    -.3    -.6   -1.0     -13    -28     18    -.51
       GFZ  |   3 |     .4     .5     .1       2    -28     -7    -.23
       GRG  |   3 |    2.4   -3.8    6.5      33     -3     19    -.26
       JPL  |   3 |    8.3  -10.7   -4.0       5      9    -12    -.29
       MIT  |   3 |    -.1   -4.9   10.7      -8     11     30    -.14
       NGS  |   3 |    -.9   -2.9    5.1       0    -73    -27    -.43
       SIO  |   3 |    -.6     .2   -5.5      -7    -19     -1    -.35

       COD  |   4 |     .0     .4    1.2      16     23    -12    -.36
       EMR  |   4 |   -1.4   -9.2   -5.8       7     26    -34    -.14
       ESA  |   4 |    -.2    -.5    -.8      -8    -24     10    -.61
       GFZ  |   4 |     .1     .3     .5      15    -22      9    -.42
       GRG  |   4 |    4.6   -5.9    5.4      34    -12     24    -.30
       JPL  |   4 |    6.3   -8.7   -7.4       2     -3     -9    -.69
       MIT  |   4 |    1.6   -8.4    8.5      -4     26    -15    -.12
       NGS  |   4 |    -.2   -7.9    6.4      14    -79    -67    -.44
       SIO  |   4 |     .3   -3.8   -7.3      -3      2     -1    -.31

       COD  |   5 |     .3     .2    1.0      19     18    -10    -.43
       EMR  |   5 |    6.3   -5.1   -7.1     -10     35    -19    -.10
       ESA  |   5 |    -.3    -.3    -.7      -4    -13     11    -.46
       GFZ  |   5 |     .0     .3     .1      -1    -22     -6    -.19
       GRG  |   5 |    8.9   -3.0    3.3      33     10     24    -.33
       JPL  |   5 |    6.1   -3.3   -7.2      -1    -13      2    -.26
       MIT  |   5 |    4.1   -5.8    8.6      -8     27     -6    -.14
       NGS  |   5 |    -.1   -7.9    2.6      26    -34    -71    -.28
       SIO  |   5 |   -1.5   -2.8   -3.5     -31     -9     10    -.15

       COD  |   6 |     .6     .4    1.2      15     11    -12    -.48
       EMR  |   6 |   -1.8   -2.6   -6.7     -18     14     22    -.11
       ESA  |   6 |    -.6     .3    -.8      -9    -11      8    -.51
       GFZ  |   6 |     .3     .0     .1      -6    -26     12    -.32
       GRG  |   6 |    2.5   -1.9     .4      36      4     22    -.08
       JPL  |   6 |     .4   -1.2   -6.7       3     -4    -13    -.29
       MIT  |   6 |   -1.5   -4.6   11.6       0     43     -1    -.18
       NGS  |   6 |   -5.1   -5.9    1.7      11    -31    -84    -.40
       SIO  |   6 |   -7.8   -2.7   -6.6     -36     -6     19    -.05


 8. As inidicated in the previous remarks, the IGS final orbits are aligned to the
    IGS reference frame by pre-aligning each AC orbit with the 3 corresponding
    SINEX rotations. This approach began 27-Feb-2000 (GPS Week 1051-0; MJD 51601).
    Starting sometime prior to 19-Aug-2012 (GPS Week 1702; MJD=56158), the orbit
    combination procedures used an incorrect sign convention to apply the SINEX
    RX and RY values to the AC orbits.
    
    Also starting 27-Feb-2000 (GPS  Week 1051-0; MJD 51601), the AC orbits were
    pre-aligned using rotations derived from differences between AC and IGS
    combined x and y polar motion. These ERP rotations were intended to
    approximate day-to-day variations of the AC orbital frames when only weekly
    averaged AC TRF rotations were available (For more details, see IGSMAIL
    #2750). With the change to daily SINEX integrations starting 19-Aug-2012, the
    ERP rotations are no longer needed/applied.

 9. Starting 5-Nov-2006 (GPS Week 1400, day 0, MJD 54044) until 16-Apr-2011 (GPS
    Week 1631, day 6, MJD 55667) the absolute antenna model is introduced (IGSMAIL
    #5438). The antenna phase center offsets and phase center variations are given
    in the file:
        ftp://igs.org/igscb/station/general/igs05.atx
    These antenna calibrations are also used in the homogeneously reprocessed IGS
    products from GPS Weeks 730 to 1459 (1994-2007); see IGSMAIL #6136.
    
    Starting 17-Apr-2011 (GPS Week 1632, day 0, MJD 55668) the absolute antenna
    model is updated (IGSMAIL #6255 & #6374) as given in the file:
        ftp://igs.org/igscb/station/general/igs08.atx
    
    The JPL solution did not use IGS08/igs08.atx until GPS Week 1649, which caused
    their RMS clock residuals to be higher during that period than for the other
    centres; from GPS Week 1632 through 1648 the JPL solution is excluded from the
    weekly SINEX combination.
    
    Starting 29-Jan-2017 (GPS Week 1934, day 0, MJD 57782) the absolute antenna
    model file has been updated to igs14.atx to be consistent with IGS14.
    See IGSMAIL #7399 for more information
        ftp://igs.org/pub/station/general/igs14.atx


ORBIT COMBINATION AND EVALUATION STATISTICS:                                    
--------------------------------------------                                    

Most combination statistics are with respect to the combined orbits and
consist of seven parts. The first, Table 1, summarizes all statistics for
the week. It contains means and standard deviations over the week of
satellite ephemeris and clock correction transformation parameters for
each centre (Table 1.2008.a). It also displays the computed satellite
position sigmas for the combined orbits (Table 1.2008.b).
The second part, Table 2, contains the complete ephemeris and clock
correction transformation parameters (includes both the apriori and a
posteriori values) for each centre and each day (Tables 2.2008.[0-6]).
The third part, Table 3, contains two types of daily RMS for each satellite
and centre, along with the computed satellite position sigmas for the
combined orbits (Tables 3.2008.[0-6]). The first type of satellite RMS is
based on orbit combination and the second RMS type is a result of the 7-day
arc evaluation of each centre ephemerides. The fourth part, Table 4, is a
weekly summary of the daily precise navigation summaries for centres
providing both orbit and clock solutions. It contains weekly station RMS
w.r.t. the initial coordinates for the Latitude, Longitude and Height 
components for up to three IGS stations (Table 4.1307). The fifth part, 
Table 5, is similar to Table 4 and contains daily precise navigation
statistics (Tables 5.2008.0-6). The sixth part, Table 6, is a weekly
summary of daily ERP combination statistics. The seventh part, Table 7,
contains the daily ERP statistics. But this is not the IGS official ERP
combination products (which come from the accompanying SINEX combination)
but provided to check combination consistency, etc.

In Tables 1-3, the most important statistic which is meaningful for intra
centre/satellite analysis is labeled WRMS. It is a weighted RMS where
normalized weights are based on accuracy codes given in the SP3 files, and
should not be affected by downweighted/problem satellites when acknowledged
by individual centres in their SP3 file.
                                                                               

             
Table 1: Week 2008 summary.                       (Jul 01, 2018 - Jul 07, 2018)

Table 1.2008.a   GPS week: 2008   MJD: 58300.000-58306.000

         Mean and standard deviations of transformation parameters to the 
         combined IGS orbit.
         WRMS - orbit RMS weighted by the SP3 header accuracy codes.
         STA  - Mean number of stations in the daily solutions.
   
CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  261|    0     0     1    11     6    -9   .03   11   10 |    -626    -160      7     83
        |    0     0     1    15    17    10   .03           |     256     303
emr   80|   -1     0     0    -9    -4    31   .14   13   13 |  137667    -522     14    115
        |    1     3     0    13     7    16   .02           |    1224     606
esa  150|    0     0    -3    -8   -14   -13  -.05    9    9 |   -2805     818      8    212
        |    0     0     1     9     6     7   .03           |     801     711
gfz  184|    0     0     1    -4     2   -15   .08   11   11 |    -219      14     11    135
        |    0     0     1    14    24    11   .02           |     278     339
grg  107|    2     0     1   -25     4    17  -.11   12   12 |      -7     -83     11    161
        |    0     0     3     5    15    14   .01           |     105     277
igr  n/a|    0     0     0    -8     3    -9  -.05    4    4 |    3260    -580     11     69
        |    0     0     0    16    14     9   .01           |    1322     723
jpl   80|    0     1     0     6     1    22   .14    9    9 |  138482    -157      8    105
        |    0     1     1    12    19     3   .05           |     612     597
mit  349|    0     0     2    -3     3     2  -.02   11   10 |     -79    -144     37    491
        |    0     0     1    30    32    12   .03           |     309     329
ngs  208|    0     0     1    21    -1    -7  -.10   10    8 |    -525    -290    900   2213
        |    0     0     1    16    12     8   .06           |     204     257
sio  339|    0    -1    -1     1     1   -19  -.13   13   13 |     ---     ---    ---    ---
        |    0     0     1    25    25    26   .02           |     ---     ---


Table 1.2008.b   GPS week : 2008   MJD: 58300.000-58306.000   

         Satellite position sigmas for the combined orbits
         (coded in the IGS SP3 orbit files).
         "E" flags eclipsing satellites.
         Units: mm.

              Day of GPS week
 PRN  |    0    1    2    3    4    5    6 |  Remarks
------+------------------------------------+------------------------------------------
   1  |    4    4    6    5    4    4    4 |
   2  |    5    5    4    4    4    4    4 |
   3  |    4    3    3    3    3    3    3 |
   4  |    0    0    0    0    0    0    0 |
   5  |    4    4    4    4    4    4    4 |
   6  |    4    5    7    5    4    4    4 |
   7  |    4    4    4    4    4    4    4 |
   8  |    3    3    3    4    3    3    3 |
   9  |    3    3    3    3    3    3    3 |
  10  |    3    3    3    3    3    3    3 |
  11  |    3    3    4    4    4    4    4 |
  12  |    5    5    5    5    5    5    5 |
  13  |    4    4    4    4    3    4    3 |
  14  |    3    3    3    3    3    4    4 |
  15  |    4    3    3    4    3    4    3 |
  16  |    5    5    5    5    5    5    5 |
  17  |    4    4    4    4    4    4    4 |
  18  |    7    6    5    6    6    5    6 |
  19  |    5    5    5    4    5    5    5 |
  20  |    5    4    4    5    4    5    5 |
  21  |    5    5    4    4    4    4    4 |
  22  |    4    4    4    5    4    4    4 |
  23  |    4    4    4    4    4    4    4 |
  24  |    3    3    3    3    3    3    3 |
  25  |    3    3    3    4    3    3    4 |
  26  |    4    4    4    4    4    4    4 |
  27  |    3    3    3    3    3    3    3 |
  28  |    4    4    4    4    4    4    4 |
  29  |    4    5    4    4    4    4    4 |
  30  |    4    4    3    3    3    3    3 |
  31  |    4    5    4    4    4    4    4 |
  32  |    4    4    3    4    4    3    4 |



Table 2: Daily transformation of each centre to the combined IGS orbit and
         clocks for each day of the week. The transformation displayed is the
         result of the combination after the AC orbits were pre-aligned using
         the SINEX rotations from above. Prior to Wk 1702, AC ERP rotations
         used in the pre-alignment were also displayed.
         WRMS - RMS weighted by the centres SP3 header accuracy codes.
         STA  - Number of stations in the daily solutions.
   
Table 2.2008.0   GPS week: 2008   Day: 0   MJD: 58300.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  256|    1     0     0    11   -23    -7   .01   14   12 |    -605    -192      7     91
emr   80|   -1     1    -1   -10    -8    54   .18   13   13 |  138410     354     15    132
esa  150|    0     0    -1    10   -17    -1  -.08    9    9 |   -2512     296      9    238
gfz  178|    0     0     2   -19   -31   -21   .06   12   11 |     178    -331     12    128
grg   97|    2     0     0   -31     0    -5  -.12   12   11 |      46    -259      9    153
igr  n/a|    0     0     0    10    -6   -12  -.06    4    4 |    3943     505     10     67
jpl   80|   -1     1     0    26     2    18   .10    8    8 |  138314     679      8     96
mit  349|    0     0     1   -21    49    -6  -.05   10    9 |    -194    -436     37    519
ngs  209|    0     0     1    35   -16    -9   .01   10    9 |    -615    -172   1233   2839
sio  329|    0     0    -1   -11    37   -28  -.13   13   12 |     ---     ---    ---    ---

Table 2.2008.1   GPS week: 2008   Day: 1   MJD: 58301.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  262|    1    -1     2    -5    13   -27  -.04   12   11 |    -697      45      7     72
emr   80|   -2     6     0   -33    -1    42   .16   13   13 |  138684     264     17    112
esa  150|    0     0    -4    -3   -12   -17  -.04    9    9 |   -3199    1231     10    222
gfz  186|    0    -1     0    -4    15   -19   .13   12   11 |     -33    -169     10    133
grg  105|    2    -2     3   -29   -12     6  -.12   13   12 |    -189     277     11    160
igr  n/a|    0     0     0   -23     2     0  -.07    6    6 |    4398     286     12     69
jpl   80|    0     3     0    11    21    24   .09    9    9 |  138633     648      9    103
mit  349|    0    -1     1     9   -29    -9  -.01   10    9 |    -230      94     38    500
ngs  210|    1     0     0    16    11     8  -.08   10    9 |    -541    -365    790   2410
sio  337|   -1    -1    -4    24   -14    -9  -.10   14   15 |     ---     ---    ---    ---

Table 2.2008.2   GPS week: 2008   Day: 2   MJD: 58302.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  260|    0     0     2     9    -9   -13   .05   11   10 |   -1024     280      7     78
emr   80|   -4     4     0     0    -1    14   .12   15   15 |  138612    -558     16    131
esa  150|    0     0    -5   -10   -16   -12  -.08    9    9 |   -3299    1352      9    222
gfz  185|    0    -1     0     2   -24   -13   .10   10   10 |    -385      72     12    184
grg  108|    1    -1     9   -16   -21    30  -.10   12   12 |     -61    -134     11    170
igr  n/a|    0     1    -2    -9   -14   -22  -.03    4    4 |    4292    -692     11     67
jpl   80|    0     3     0     4     2    22   .12    9    9 |  138878    -109      9    115
mit  349|    0    -1     0   -30    33     8   .02    9    8 |    -434     189     32    494
ngs  208|    1     0    -1    40     3   -19  -.08    9    7 |    -642    -164    912   1987
sio  340|    0    -1    -2   -13    33     3  -.11   13   12 |     ---     ---    ---    ---

Table 2.2008.3   GPS week: 2008   Day: 3   MJD: 58303.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  262|    0     0     0    -9     9   -13   .04   11   10 |    -158    -651      8     88
emr   80|   -1     0     0   -20    -1     5   .13   13   13 |  138239    -909     14    143
esa  150|    0     1    -5   -15    -5   -10  -.07   10    9 |   -3248    1333     10    229
gfz  185|   -1     0     1    -6    32   -22   .09   12   11 |     -68    -171     12    145
grg  110|    3     0     1   -21    17    36  -.12   14   13 |      43    -163     11    160
igr  n/a|    0     1    -1   -18    21    -6  -.03    4    4 |    3910   -1027     11     67
jpl   80|   -1     0    -2    -8    29    19   .23    9    9 |  139072    -420      9     93
mit  349|    1     0     3    47   -29    19  -.03   11   10 |     317    -460     36    505
ngs  203|    0     0     3    -8   -18   -10  -.11    9    8 |    -200    -616    857   1960
sio  342|    0     0     0    47   -25   -19  -.14   13   12 |     ---     ---    ---    ---

Table 2.2008.4   GPS week: 2008   Day: 4   MJD: 58304.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  263|    1     0     1    29     8    -5   .03   10   10 |    -597    -271      8     96
emr   80|   -1    -3    -1    -1    -6    32   .12   13   13 |  137845   -1017     13    111
esa  150|   -1     1    -2   -16   -10   -23  -.01    9    8 |   -3322    1581      8    215
gfz  186|   -1     0     2    19    21   -17   .06   11   10 |    -161     341     12    113
grg  110|    2     0     0   -21    17    21  -.14   12   12 |     -43     256     11    165
igr  n/a|    0     1     0     1    23   -11  -.04    4    4 |    3456   -1150     11     71
jpl   80|    0     0    -2    14    -2    29   .15    8    8 |  139095    -628      8    120
mit  349|    0     0     1   -37   -24   -12  -.03   12   11 |    -391     187     43    426
ngs  207|    0     1     2    11     3    -6  -.14   10    8 |    -392    -526    983   2119
sio  343|    0    -1     0   -23   -21    -2  -.16   13   13 |     ---     ---    ---    ---

Table 2.2008.5   GPS week: 2008   Day: 5   MJD: 58305.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  263|    0     0     1    31    32     2   .04   10   10 |    -582    -343      6     74
emr   80|    0    -1    -1     0   -18    29   .15   12   12 |  136262   -1169     15     88
esa  150|    0     0    -5   -14   -26   -18  -.07    9    9 |   -2949      32      8    186
gfz  186|    0    -1     3    -3    16   -20   .09   11   10 |    -631    -233     11    104
grg  111|    3     0     0   -26    14    18  -.11   12   11 |     150    -504     11    153
igr  n/a|    0     0     0     7     7   -17  -.05    4    4 |    1841   -1402     10     67
jpl   80|    0     1     0     6   -28    21   .15    8    8 |  137892    -784      7    101
mit  349|    1    -1     3    -9    14     1   .01   11   11 |     280    -561     40    489
ngs  209|    0     1     0    22    11    -7  -.15   10    8 |    -841     153    786   2258
sio  344|    0     0     0   -16     0    -3  -.15   13   14 |     ---     ---    ---    ---

Table 2.2008.6   GPS week: 2008   Day: 6   MJD: 58306.000                            

CENT STA|   DX    DY    DZ    RX    RY    RZ   SCL  RMS  WRMS|    TOFT   TDRFT   SDEV    RMS
        |  [mm]  [mm]  [mm] [uas] [uas] [uas] [ppb] [mm] [mm]|    [ps]  [ps/d]   [ps]   [ps]
--------+----------------------------------------------------+------------------------------
cod  261|    0     0     2    12    14     1   .04   10   10 |    -722      11      7     85
emr   80|   -2    -2    -2     0     4    41   .12   12   12 |  135622    -623     13     92
esa  150|    0     1    -2   -12   -12   -10  -.03    9    8 |   -1107     -99      7    172
gfz  186|    0     0     0   -22   -10     9   .07   11   11 |    -439     590     13    139
grg  110|    4     0    -3   -30    12    17  -.09   12   11 |       0     -55     13    166
igr  n/a|    0     0     0   -31    -9     2  -.06    4    4 |     981    -585     12     75
jpl   80|    0     2     0    -8   -14    22   .12    9    9 |  137495    -486      7    107
mit  349|    0     0     3    21     8    13  -.00   11    9 |      96     -23     38    508
ngs  210|    0     0     2    32    -2    -6  -.16   10    9 |    -450    -345    744   1921
sio  343|    0    -1    -1     4     1   -73  -.13   13   13 |     ---     ---    ---    ---

       
       
Table 3: Daily fit for each satellite and each centre resulting from weighted
         average combination and from long arc orbit dynamics (7-day). The
         first IGS column gives resulting satellite accuracy measures found in
         SP3 header. The last IGS column gives the RMS fit of the IGS orbit
         when processed through the 7-day arc evaluation.

         "E"    stands for eclipsing satellites (earth).
         "M"    stands for eclipsing satellites (moon).
         "X"    stands for excluded from the statistics but included in IGS orbit.
         "T"    stands for Total long arc orbit RMS for all satellites.
         "NE"   stands for long arc orbit RMS for Non-Eclipsing satellites only.
         "MEDI" stands for median of the centre's satellite RMS.
         "MD"
         Units: mm.

Table 3.2008.0   GPS week: 2008   Day: 0   MJD: 58300.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1E |    8   11   14    8   11    3    5    7   13    9    3 |    60   64   61   58   57   59   61   61   62   63    60
   2E |   38    9    8   13   14    6    8   11   10   13    5 |    40   36   36   42   33   39   37   39   36   41    36
   3  |   14    6   10   10    9    5    6    7   11   14    3 |    39   39   37   36   35   35   39   35   34   41    37
  X4  |    1  ---  ---  ---  ---   22  ---  ---  ---  ---    0 |    35  ---  ---  ---  ---   28  ---  ---  ---  ---    35
   5  |   10    9   11   12   11    4    9   12   11   14    4 |    48   51   50   47   50   48   54   46   46   49    49
   6E |   13    8   14   11   15    4    8    6   12    8    3 |    78   79   71   74   81   75   76   78   81   78    76
   7  |   17   12    7   13   13    5    9   11   12   15    4 |    40   35   35   34   36   34   38   36   38   34    35
   8  |    9    9    8   10    7    3    6    7    6    9    2 |    30   31   30   30   32   29   30   29   29   31    30
   9  |   10    9    9   12    7    6   11    5    7    9    3 |    42   48   38   39   36   39   50   39   42   44    42
  10  |   17   10    9   10   10    3    7    7    7    8    3 |    35   35   39   38   36   36   35   34   36   38    36
  11E |    9   10   10    8   10    3    6    8    6   11    3 |    45   50   50   48   47   48   48   52   47   49    49
  12  |    9   23    6   12   12    4    9   14   13   12    4 |    32   31   29   33   31   30   30   32   34   33    30
  13  |   12    7   10   15    8    4    7    8   12   15    3 |    36   38   35   46   37   38   39   40   39   44    39
  14  |    8    7   10   12    7    3    6    9    8   13    3 |    39   32   33   31   32   32   30   31   31   31    32
  15  |   14   10    9   11    4    3    8    9    9   14    3 |    44   47   50   48   45   46   48   40   42   46    45
  16  |    9   25    8   15   18    5    8   12   10   19    5 |    31   30   29   29   31   28   27   31   32   34    28
  17  |   15    7    7   16   15    5    8   10    8   15    4 |    26   31   28   36   29   29   32   34   30   27    29
 X18E |   32   26   10   17   13    4  ---   13   14   13    6 |   109  106  105  105  104  106  ---  106  105  106   104
  19  |   13   16    7   16   13    6    7   12    9   20    4 |    30   34   32   36   30   31   34   37   33   32    32
  20  |   16   16   10   17   14    5    9   13   11   16    4 |    33   37   36   47   36   38   34   42   40   39    37
  21E |   29   11   10   12   12    6    9   14    8    8    4 |    50   30   34   36   32   32   30   33   33   34    32
  22  |    8    8   12   11   12    5    9   13   14   14    4 |    54   54   52   56   53   53   54   54   54   53    53
  23  |   10   19    9   10    8    5    7    8    9    9    3 |    40   33   39   40   34   37   37   37   42   37    37
  24  |   11    8    6    5    9    3    6    6    8   10    2 |    39   40   44   41   41   42   41   38   39   40    40
  25  |   12   12    6   11    9    4    8    7    7    9    3 |    36   38   34   34   37   32   34   32   32   36    34
  26  |   13   15   10   17   17    5   10    7   10    9    4 |    38   34   35   30   36   31   34   32   34   31    33
  27  |    8    9    8    9    9    2    8    6   13    9    3 |    35   33   34   31   30   31   32   30   37   29    32
  28  |   12   14    6   13   16    6    6   11    8   16    4 |    24   26   25   26   26   23   25   28   24   28    25
  29  |    9   20    8   12   11    4   10   12   12   14    4 |    33   34   31   30   30   30   31   33   30   31    30
  30  |   13   17    6    7   13    4    9    6    7    9    3 |    39   39   36   37   39   36   41   38   37   37    38
  31  |   12   11   10   15   16    5    7   12   10   14    4 |    42   41   39   41   41   39   38   39   38   35    38
  32  |   16   10   13    8    6    5    9    9    6   12    3 |    44   44   31   37   33   36   41   35   35   40    37
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   14   13    9   12   12    4    8   10   10   13      |T   42   41   40   41   40   39   39   41   41   41    40
 WRMS |   12   13    9   11   11    4    8    9    9   12      |NE  37   37   36   37   35   35   37   36   36   37    36
 MEDI |   12   10    9   12   11    4    8    9   10   13      |MD  39   37   36   37   36   36   37   37   37   37    36

Table 3.2008.1   GPS week: 2008   Day: 1   MJD: 58301.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1E |    9   15   11    8   15    3   11    9   12   10    4 |    57   58   58   55   53   54   54   55   61   57    55
   2E |   23    9    8   11   13    7   11   11   11   14    4 |    32   35   32   36   32   32   29   32   33   35    31
   3  |    8    9   11    8    9    5    8    6    9   14    3 |    32   37   35   34   33   33   36   32   31   38    33
  X4  |    2  ---  ---  ---  ---   21  ---  ---  ---  ---    0 |    26  ---  ---  ---  ---   28  ---  ---  ---  ---    27
   5  |    9    8   12   10   11    6   10   12    9   18    4 |    40   45   41   42   42   43   43   40   39   40    40
   6E |   10   13   11   13   15    6   13    6   17   13    4 |    58   67   56   59   57   56   61   59   59   63    58
   7  |   11   11    8   10   13    7    8   12   10   17    4 |    35   38   33   36   36   35   36   38   38   36    35
   8  |    8    8    7   12   10    3    5    8    7   13    3 |    34   37   33   35   35   32   33   31   33   38    33
   9  |    7   10    8   10    6    6   11    8    8    8    3 |    39   48   37   39   35   38   47   39   39   44    40
  10  |    5    7   11    9    8    3    7    7    6    7    2 |    30   33   30   29   30   28   30   28   25   30    28
  11E |    7    7   10    8   10    4    6   10    8   15    3 |    60   60   60   60   60   58   59   63   60   61    60
  12  |   12   20    7   12   15    6    9   13   11   13    4 |    33   35   31   36   34   33   35   34   38   32    33
  13  |   11    8   11   17    9    5    5    8   10   16    3 |    24   32   28   42   27   33   31   30   30   36    29
  14  |   11    8    9   10    8    4    4   11    7   14    3 |    24   25   23   22   23   22   23   25   23   25    22
  15  |    9   11   10   10    5    5    7    8    8   16    3 |    42   46   45   46   40   44   41   40   40   43    42
  16  |   15   21    6   18   17    7    8   12   11   22    5 |    30   32   31   34   31   30   29   33   30   36    29
  17  |    8   10    8   16   14    8   10   11   11   17    4 |    28   32   28   36   29   29   32   31   31   30    29
  18E |   13   17   12   14   26    7   17   14   13   14    5 |    76   74   70   71   73   71   85   72   71   72    71
  19  |   10   16    7   16   12    6    9   12   13   20    4 |    27   31   28   35   28   29   30   32   31   31    28
  20  |   11   12   11   16   13    6    7   12   11   16    4 |    33   38   31   37   37   35   35   36   33   34    33
  21E |   25    9    8   13   14    6    6    9   10   14    4 |    32   25   24   26   26   23   23   25   24   28    23
  22  |   13    9   11   12   13    7    7   12   14   15    4 |    50   54   48   53   50   52   51   51   52   51    50
  23  |   10   21    9    9    7    7    7    7    7   10    3 |    37   34   32   38   31   34   30   38   37   39    34
  24  |   11    9    8    6    8    4    9    6    7   11    3 |    39   44   40   42   41   42   46   42   43   43    42
  25  |    8   12    7   11   10    5    8    4    6    8    3 |    37   40   36   36   38   34   35   33   33   34    35
  26  |   19   10   10   15   15    5    9    8    8   12    4 |    39   39   39   36   39   34   38   37   37   35    36
  27  |   12    8    7    9    9    3    7    8    5   10    3 |    34   36   33   33   32   32   33   32   33   32    32
  28  |    9   15    8   15   17    8    9   13    9   15    4 |    23   27   23   24   26   20   24   27   21   27    22
  29  |   12   19    7   14   13    7   11   12   11   16    4 |    28   31   24   29   28   26   27   29   29   30    26
  30  |   10   14    7   10   13    5    8   10    8   11    3 |    31   36   30   30   34   31   34   35   34   33    32
  31  |   12   17    9   15   17    6    8   10   14   14    4 |    38   43   38   42   41   37   38   39   39   38    38
  32  |    5    9   10    8    8    4   10   12    9   11    3 |    33   42   30   36   32   32   41   35   31   38    34
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   12   13    9   12   13    6    9   10   10   14      |T   36   40   36   39   37   36   38   37   37   39    36
 WRMS |   11   13    9   11   12    6    9    9    9   15      |NE  33   37   32   36   33   33   35   34   33   35    33
 MEDI |   10   10    9   11   13    6    8   10    9   14      |MD  33   37   33   36   34   33   35   35   33   36    33

Table 3.2008.2   GPS week: 2008   Day: 2   MJD: 58302.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1E |   25   21   15    8   17    8   12    8   18   10    5 |    67   63   60   59   61   62   58   59   69   59    60
   2E |   18   11    9   10   16    5   10    8    8   13    4 |    27   29   28   32   26   28   26   28   26   32    27
   3  |   11   11   11    7    9    4    6    5    9   12    3 |    23   26   24   21   24   22   25   22   22   26    22
  X4  |    2  ---  ---  ---  ---   18  ---  ---  ---  ---    0 |    46  ---  ---  ---  ---   42  ---  ---  ---  ---    46
   5  |   11    8   12   10   10    3    9   12   10   14    4 |    35   34   33   28   30   30   35   30   29   27    30
  X6E |   24  ---   17   11   14    9   18    8   23   14    6 |    67  ---   71   63   64   64   65   62   71   70    65
   7  |   14   14    5    9   11    4   10    9    8   15    3 |    31   28   26   28   28   27   27   28   30   27    27
   8  |   11    9    6    8    9    3    8    8    6   11    3 |    28   32   26   27   27   27   31   26   27   27    27
   9  |    9   13    8   13    9    5   12    7    6    9    3 |    32   43   30   32   29   31   41   30   32   36    33
  10  |    8    8   10    8    9    3    5    7    6    9    2 |    26   31   29   27   27   27   30   27   26   30    27
  11  |   13   13    8    8   14    5    9    9    7   14    3 |    84   85   84   84   86   84   84   82   82   88    83
  12  |    7   24    6   13   13    4   13   13   12   14    4 |    32   29   29   36   31   30   28   31   33   29    30
  13  |    8    7   10   11   10    3    7    8   10   13    3 |    35   37   35   40   37   35   36   35   35   39    36
  14  |    9    8    9   10    8    2    5    9    6   11    3 |    32   33   31   31   33   31   31   31   29   31    31
  15  |    7   12    8    8    7    3    8    6    9   11    3 |    30   29   30   30   28   28   28   27   25   29    28
  16  |   11   24    6   12   18    3    8   10    8   23    4 |    32   35   31   33   32   33   30   33   31   33    30
  17  |    9   14    7   15   14    3   10   10    9   18    4 |    29   35   31   38   30   32   32   33   34   33    32
  18E |   19   18   11   15   18    7   16   15    9   13    5 |    89   86   82   86   85   86   88   83   87   83    85
  19  |   10   18    7   14   15    5   11   10   11   25    4 |    33   39   33   36   35   33   34   32   32   36    33
  20  |    7   15   12   12   12    3   10   14   10   14    4 |    23   26   22   30   25   25   25   28   25   23    24
  21E |    6   14    7   11   15    4   10   10    8   10    3 |    29   32   33   34   31   31   30   36   32   33    31
  22  |    8   12   10   10   13    4    9   10   10   15    3 |    30   32   27   34   30   31   31   34   33   31    30
  23  |   11   21    9    9    7    5    8    6    5   10    3 |    25   24   24   26   24   23   22   23   23   24    23
  24  |    9    9    5    7    9    3    6    6    9    7    2 |    28   28   28   30   28   27   28   28   26   25    27
  25  |    8   14    8    8    9    3    9    4    7    8    3 |    25   33   27   26   28   25   27   26   23   26    26
  26  |   15   13   10   10   17    3    7    6    6   10    3 |    31   32   32   29   28   28   30   30   27   27    28
  27  |    8    8    7    8   10    3    9    7    7   10    2 |    32   35   31   33   31   33   35   32   33   30    32
  28  |   10   17    5   10   14    5   11    8    9   13    3 |    35   36   33   36   33   33   31   35   34   38    34
  29  |   10   21    9   13   13    4   11   10   10   15    4 |    33   34   30   35   32   32   31   33   31   32    31
  30  |    9   14    5    7   11    3   10    6    5    9    3 |    37   36   36   35   36   35   35   33   36   35    35
  31  |   11   16   10   15   16    4    8   10    9   15    4 |    27   32   23   30   25   23   26   26   26   20    24
  32  |    6   11   10    6    6    3   10   11    6    9    3 |    28   34   22   26   27   25   34   26   23   27    26
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   15    9   10   12    4    9    9    9   13      |T   36   36   34   36   35   35   35   35   35   35    35
 WRMS |   10   15    9   10   12    4    9    8    7   12      |NE  30   32   28   31   29   29   30   29   29   29    29
 MEDI |    9   13    9   10   12    4    9    8    9   13      |MD  31   33   30   32   30   31   31   31   31   31    30

Table 3.2008.3   GPS week: 2008   Day: 3   MJD: 58303.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1E |   12   19   15   10   23    4   14   11   15   10    5 |    47   46   46   44   47   42   41   47   44   41    43
   2E |   17    8    8   12   12    4   10    9    7    9    3 |    28   30   31   34   27   31   31   33   33   32    30
   3  |    9   11    9    7   10    3    8    7    7   11    3 |    33   35   36   34   32   33   37   33   33   37    33
  X4  |    1  ---  ---  ---  ---   25  ---  ---  ---  ---    0 |    39  ---  ---  ---  ---   37  ---  ---  ---  ---    39
   5  |   10    9   11   13   12    4   11   12   10   18    4 |    46   47   46   41   46   42   51   39   42   42    44
   6E |   20   11   14    8   22    4   12    8   12   10    4 |    40   43   33   34   39   32   36   36   36   37    34
   7  |   13   14    8   10   13    4    9   13    9   14    4 |    35   34   29   31   32   31   35   36   33   31    31
   8  |    8   11    6   12   10    2    9   12    7   13    3 |    35   36   34   34   34   34   35   35   36   38    34
   9  |    8   11    9    9    9    6   10    7    7    7    3 |    34   42   33   34   34   35   46   36   37   39    36
  10  |    9    6   10    8    9    2    6    8    6    7    2 |    32   33   33   33   31   30   34   30   33   31    31
  11  |    9   15   13    8   20    3    9   11    6   11    4 |    69   71   71   70   69   69   70   74   69   69    70
  12  |    7   21    6   12   16    3   12   13   11   12    4 |    37   38   36   38   37   37   40   35   37   36    36
  13  |    8    7   11   16   10    4    7   11    7   15    3 |    36   39   34   48   36   39   40   37   38   41    37
  14  |    8    8   10   11   10    2    7   10    7   12    3 |    35   32   32   31   30   32   32   37   36   34    32
  15  |    7   11    9   13    9    3   11   10    7   12    3 |    39   40   39   42   37   38   42   35   39   39    38
  16  |   11   23    6   15   17    6    9   12   11   18    4 |    36   34   33   36   33   33   34   37   37   36    34
  17  |    8   13    8   14   14    4    8   10   10   15    4 |    33   39   33   39   33   35   39   38   40   35    35
  18E |   18   17   11   14   21    6   14   18   10   17    5 |    61   58   55   56   57   55   67   55   56   60    55
  19  |    9   17    7   13   11    4    9   10    8   21    4 |    32   35   34   38   33   33   35   36   36   35    33
  20  |    8   11   12   14   15    3   11   14   10   18    4 |    32   33   31   38   29   31   31   38   35   34    31
  21E |   13   10    7   13   14    4    9   14    8   12    4 |    32   33   31   33   30   29   29   38   30   34    31
  22  |   14   13   11   13   15    4   11   12   11   18    4 |    35   35   32   40   28   33   32   38   34   34    32
  23  |   11   19    9    8   10    4    7    9    6    8    3 |    34   30   33   34   30   32   32   34   37   35    32
  24  |    7    8    7   10    8    4    7    9    9    9    3 |    35   37   35   36   35   36   39   36   36   37    35
  25  |   12   14    9    8   10    3    9    6    7   11    3 |    39   39   36   34   34   33   37   33   31   37    34
  26  |   13   17   10   13   17    4    8    7    8   10    4 |    37   38   36   37   33   33   36   34   36   32    34
  27  |    9    8    8   11   11    2    9    8    6    8    3 |    40   37   39   37   35   37   38   37   41   39    37
  28  |    9   13    8   12   11    5   10   11    8   11    3 |    31   36   32   35   32   32   35   36   35   34    33
  29  |   11   20   10   11   11    4    8   11   10   13    4 |    34   36   31   33   32   31   33   34   33   32    32
  30  |    8   10    6    9   13    4    7    9    5    8    3 |    33   37   34   34   36   35   38   39   36   38    35
  31  |   13   10    8   17   14    3    7   12   12   14    4 |    35   35   33   37   33   32   35   35   36   30    33
  32  |    7   12    9    8    9    3   10   12   10   13    3 |    37   39   31   35   29   32   39   35   35   38    33
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   13   10   12   14    4    9   11    9   13      |T   37   38   36   38   35   35   38   37   37   37    36
 WRMS |   10   13    9   11   13    4    9   10    8   12      |NE  35   36   34   36   33   34   37   35   36   35    34
 MEDI |    9   11    9   12   12    4    9   11    8   12      |MD  35   37   33   36   33   33   36   36   36   36    34

Table 3.2008.4   GPS week: 2008   Day: 4   MJD: 58304.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1E |   10   10    9   11   19    2    9   14    8   12    4 |    39   38   36   34   41   36   36   37   41   40    36
   2E |   15   10    7   12    9    4    7    9    9   12    3 |    20   21   20   25   20   21   20   23   21   21    20
   3  |    8    9    9    6   10    2    6    8   10   13    3 |    21   23   22   20   20   20   26   16   23   24    21
  X4  |    2  ---  ---  ---  ---   18  ---  ---  ---  ---    0 |    30  ---  ---  ---  ---   29  ---  ---  ---  ---    29
   5  |   12   10    9   14   12    4   12   12   10   18    4 |    34   34   28   25   32   27   36   25   24   27    29
   6E |    9   11   12    9   13    3    9    7   16   11    4 |    36   32   37   36   35   34   35   35   42   37    35
   7  |   12   14    8    9   12    6    9   15   13   16    4 |    23   20   18   19   21   17   21   20   22   16    18
   8  |    7    8    7   11    8    3    7   11    9    8    3 |    19   21   18   15   20   15   22   16   16   15    17
   9  |   11   10    8    7    7    5   10    8   11    9    3 |    26   32   21   22   19   21   34   20   21   28    24
  10  |    5    6    8    8    9    3    6    9    5    9    2 |    24   25   25   25   24   22   26   22   24   23    23
  11  |    7    7   11    8   14    4    6   16    8   13    3 |    46   48   47   45   47   46   50   50   47   47    47
  12  |    8   21    6   12   16    4    8   13   16   12    4 |    21   21   18   24   20   19   22   21   27   17    19
  13  |    8    8    9   13    7    4    7   10    8   14    3 |    27   29   27   37   27   29   30   29   30   33    29
  14  |    9    7    9   10    9    3    4   12    7   12    3 |    24   23   23   20   21   22   21   22   22   19    21
  15  |    7   13    7   10    8    3    8   11    8   11    3 |    23   23   24   23   22   23   23   23   24   26    22
  16  |   12   24    8   16   18    5    7   13   10   19    5 |    20   19   18   21   20   18   16   21   20   20    16
  17  |    6    9    8   13   12    4    7   11   10   16    3 |    22   25   17   27   19   22   25   27   25   20    21
  18E |   18   25   14   15   17    6   14   19   12   18    6 |    81   75   75   74   78   75   58   76   75   78    75
  19  |    6   17   10   16   11    5    8   11    9   24    4 |    19   23   21   27   21   21   24   24   22   23    20
  20  |    7   12    9   14   15    4   10   15   11   18    4 |    18   18   15   28   17   20   17   26   25   22    18
  21E |   11   10    7   13   11    3    8   16    8   12    3 |    18   20   20   26   20   20   20   29   21   25    21
  22  |   11    9   10   11   12    4    8   14   11   17    4 |    24   28   26   35   26   28   27   28   32   29    27
  23  |   10   17   10    7    8    4    6    9    9   10    3 |    21   14   20   19   15   15   14   15   15   18    15
  24  |    8    9    6    7    7    4    6    8    9    7    2 |    20   24   23   23   22   21   24   23   22   23    22
  25  |   10   10    8    5   10    3    6    7    7    8    2 |    19   22   19   19   19   17   19   16   17   14    17
  26  |   14   14   10   15   16    3    7    8    7    9    4 |    20   23   23   24   19   19   22   21   20   17    19
  27  |    8    7    6    8   11    3    7    9    5    7    2 |    26   25   23   20   22   21   24   20   22   23    22
  28  |    7   13    6   11   13    6    9   10   11   13    3 |    17   24   22   22   20   20   22   25   26   20    21
  29  |   10   20    8   14   12    4    7   12   10   16    4 |    23   20   18   23   19   17   20   22   18   19    18
  30  |   11   13    6    6   11    5    8   11    9    8    3 |    30   27   27   26   29   26   28   29   28   25    27
  31  |   15   10    7   15   14    4    5   14   10   13    4 |    17   22   16   25   21   18   21   22   20   14    18
  32  |    7   11    9    6    9    2    9   14    9   12    3 |    16   30   18   21   16   19   29   19   17   26    20
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   13    9   11   12    4    8   12   10   13      |T   25   26   24   26   24   24   26   25   26   25    24
 WRMS |   10   13    8   10   12    4    8   11    8   13      |NE  22   23   21   23   21   21   23   22   22   21    21
 MEDI |    9   10    8   11   11    4    7   11    9   12      |MD  22   23   22   24   21   21   24   23   22   23    21

Table 3.2008.5   GPS week: 2008   Day: 5   MJD: 58305.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1E |   11    8   11   11   12    2    8   12    7   11    3 |    60   60   57   57   60   59   58   59   63   62    59
   2E |   10   12    7   11   11    4    8    7   12    9    3 |    20   18   19   25   17   20   18   20   25   20    19
   3  |    8    7    8    6   10    2    7    8    7    9    2 |    19   23   22   19   20   18   24   16   18   22    19
  X4  |    2  ---  ---  ---  ---   18  ---  ---  ---  ---    0 |    34  ---  ---  ---  ---   23  ---  ---  ---  ---    34
   5  |    9    8   10   13   13    4    8   12   12   17    4 |    30   33   30   26   32   27   33   26   28   27    29
   6E |   13   11   12    8   18    4    8   10   14   12    4 |    65   57   60   62   67   61   64   62   64   66    63
   7  |   12   12    7    9   13    5    8   14   12   17    4 |    22   20   17   20   21   18   19   23   22   18    18
   8  |   11    8    6    7    7    3    6   11    6    9    3 |    22   24   21   20   22   19   23   20   19   22    20
   9  |    7    9   10    8    9    5   10    7    8    9    3 |    21   32   17   21   15   17   31   19   17   26    21
  10  |    8    7    8    7    7    2    6    9    7    7    2 |    24   26   24   26   22   22   25   21   22   26    23
  11  |    9    7   11    8   10    3    6   14    9   12    3 |    34   39   40   37   39   36   37   38   35   37    37
  12  |    7   23    6   12   14    4   10   14   14   13    4 |    26   24   24   31   24   26   25   26   28   27    25
  13  |    8    9    9   16    8    4    7   10   11   16    3 |    30   30   25   40   29   29   31   29   28   36    29
  14  |   17    6    9   17    9    3    3   13    8   14    4 |    25   23   24   25   24   20   20   22   22   25    21
  15  |   10   14    9   10    8    3    9   10    6   12    3 |    26   22   24   26   20   21   21   20   22   25    22
  16  |   10   25    8   14   20    4    9   14   11   19    5 |    24   23   26   29   22   26   22   30   29   28    24
  17  |    7   11    8   13   11    4    6   10   10   18    3 |    22   26   19   27   22   22   25   25   26   21    22
  18E |   13   13   12   14   12    5   14   15   10   15    4 |   109  105   99  101  100  101   89  101   98  103   102
  19  |    9   16    8   17   12    5    8   11   11   23    4 |    25   27   25   30   24   24   26   25   26   26    24
  20  |    9   15   11   14   14    3    8   15   12   18    4 |    19   20   12   26   17   17   18   24   20   20    16
  21E |    8   12   10   10   13    3   10   15    9   10    3 |    24   26   23   28   23   24   22   30   25   28    24
  22  |   13    7   11   11   12    4    7   14   10   17    4 |    21   24   17   24   24   21   24   24   24   23    20
  23  |    7   19    9    7    9    4    7    9    9   11    3 |    17   14   14   16   13   12   12   15   14   16    13
  24  |    9    8    6    9    8    3    6    6    8    9    2 |    20   21   21   21   21   19   24   21   19   24    20
  25  |    7    9    8    6   12    4    7    8    8    6    2 |    20   25   21   21   21   18   24   18   18   20    20
  26  |   15    7    9   14   17    3    7   10    6    5    3 |    29   33   34   34   25   30   33   33   30   30    30
  27  |    8   10    7    9   12    3    6   10    8    9    3 |    27   26   24   24   24   24   25   25   24   22    24
  28  |    7   11    5    9   10    4   10   13    8   12    3 |    26   23   22   23   23   23   24   24   25   21    22
  29  |   10   20    8   13   12    4    8   11   13   12    4 |    27   27   21   28   23   24   24   24   23   24    24
  30  |   11   13    6    5   11    3    8   11   10    8    3 |    23   25   22   21   26   21   24   23   26   23    22
  31  |   13   10    8   16   13    4    7   15   12   14    4 |    18   21   15   24   19   16   20   21   18   11    16
  32  |    7   11    8    8    7    2   10   12    9   10    3 |    18   30   15   16   15   16   28   17   15   25    18
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   12    9   11   12    4    8   11   10   13      |T   28   29   26   29   27   26   28   28   28   29    27
 WRMS |   10   12    9   10   11    4    8   11    8   14      |NE  23   24   20   24   21   20   23   22   22   23    21
 MEDI |    9   11    8   10   12    4    8   11    9   12      |MD  24   25   22   26   23   22   24   24   24   25    22

Table 3.2008.6   GPS week: 2008   Day: 6   MJD: 58306.000                            

        Weighted Average                                            Orbit Dynamics (7 days)
 PRN  |  cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio  IGS |   cod  emr  esa  gfz  grg  igr  jpl  mit  ngs  sio   IGS
------+--------------------------------------------------------+---------------------------------------------------------
   1E |    7    8    9   10   14    4    7   11    7   12    3 |    77   76   78   73   74   75   75   80   76   78    76
   2E |   12   10    6   10   10    3    9    9   10   13    3 |    30   26   28   34   27   29   26   28   31   32    28
   3  |    9    7    9    7    8    2    6    7    8    7    2 |    24   25   25   21   24   22   27   19   23   26    23
  X4  |    1  ---  ---  ---  ---   25  ---  ---  ---  ---    0 |    33  ---  ---  ---  ---   29  ---  ---  ---  ---    32
   5  |    8    9    9   13   12    4   10   11   12   14    4 |    39   41   40   34   43   36   44   33   34   36    37
   6E |    9    8   11    8   14    2    8   10   11   10    3 |    90   82   87   87   92   88   87   90   94   90    89
   7  |    9   11    8   10   13    5    7   15   12   18    4 |    25   24   22   24   24   21   22   27   24   18    21
   8  |    7    8    8   12    8    3    8    7    7    9    3 |    23   25   22   22   25   21   24   21   23   22    22
   9  |    7   10   10    6    9    6   10    7    8    7    3 |    26   35   21   26   20   23   34   24   25   28    26
  10  |    9    8    9    8    9    4    7    9    5    8    3 |    27   29   29   28   28   25   27   26   24   32    27
  11  |    7    8   12    9   14    3    5   11    7   10    3 |    48   50   50   47   49   47   50   50   48   49    48
  12  |   10   22    6   12   12    6   11   14   14   13    4 |    29   24   28   38   27   32   27   31   35   31    28
  13  |    9    6    8   13    8    3    8    8    9   14    3 |    29   30   26   36   29   29   30   30   31   37    29
  14  |   10    8    9   15    9    4    4   11    8   12    3 |    23   26   25   27   26   23   23   24   25   25    24
  15  |   10   13    8    8    7    3   10    9    8   11    3 |    25   29   25   23   24   22   25   23   22   25    23
  16  |   11   23    6   15   19    6    7   13   10   17    4 |    31   29   31   35   28   33   30   35   37   34    30
  17  |   11    9    8   12   10    4    7   11   13   19    4 |    23   26   21   31   24   25   26   30   27   23    24
  18E |   15   14   15   18   19    7   14   15   13   16    5 |   130  129  124  131  126  126  105  126  125  126   127
  19  |   10   13    7   13   12    4    8   11   12   24    4 |    27   27   27   33   24   28   27   30   28   29    26
  20  |   11   14    9   12   15    4   10   14   12   17    4 |    21   22   16   30   20   22   21   29   25   25    20
  21E |   16   10    5   13   14    4   11   15   11   10    4 |    16   19   21   25   24   21   21   28   23   22    20
  22  |   13    8   12   12    9    4    8   13   13   17    4 |    30   34   28   38   34   32   34   35   33   35    32
  23  |    9   16   10    8    9    5    8    7    9    9    3 |    21   16   17   21   15   16   15   18   17   20    16
  24  |   10   10    5   10   10    3    8    6   10    8    3 |    23   27   26   27   26   26   28   26   27   28    25
  25  |   10   10    9    7   13    3    7    8    9   15    3 |    18   24   23   22   22   20   22   19   20   23    20
  26E |   15   11    9   15   14    5    8   15    9   10    4 |    27   32   32   34   26   30   31   34   29   28    29
  27  |    9    9    5    7    9    3    7    6    7    8    2 |    25   25   23   22   23   22   24   22   24   20    22
  28  |   10    9    7    9    9    3   11   11   13    9    3 |    23   25   25   24   24   23   26   25   28   22    23
  29  |   10   20    6   15   10    4    9   10   13   13    4 |    30   27   24   32   25   26   26   28   26   29    26
  30  |    5   12    5    7   10    3    7   11    8    8    3 |    28   27   25   24   28   24   26   26   26   23    25
  31  |   11   10    9   16   15    3    6   14   12   15    4 |    22   24   17   26   23   19   23   24   23   16    19
  32  |    9   12    8    8    8    4   11   10   12   12    3 |    18   32   18   19   19   20   31   23   21   29    21
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   10   12    9   11   12    4    9   11   10   13      |T   33   34   32   35   33   32   33   34   34   34    32
 WRMS |   10   12    8   11   11    4    9    9    9   13      |NE  25   27   24   27   25   24   26   26   26   26    24
 MEDI |   10   10    8   10   10    4    8   11   10   12      |MD  26   27   25   28   25   25   27   28   26   28    25



Table 4: Precise Navigation Summary.

         Weekly station RMS w.r.t. the estimated coordinates for the Latitude,
         Longitude and Height components. See Table 5 for the daily summary.

         CLK  - Satellite clocks used.
         EPO  - Mean number of satellite clock epochs available in the daily
                solutions.
         Units: mm.

Table 4.2008   GPS week: 2008   MJD: 58300.0-58306.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3071 |U   11    12    25 |U    7    11    27 |U   12    13    32 |
emr | emr 2958 |U   18    14    35 |U   15    16    46 |    13    16    41 |
esa | esa 2976 |    11    10    28 |U    6    10    28 |    11    14    25 |
gfz | gfz 2972 |U   11    12    24 |U    7    12    30 |U   14    15    44 |
grg | grg 2975 |U   11    14    26 |U   11    21    37 |    13    15    44 |
igr | igr 2921 |    10    12    25 |     7    11    28 |    12    13    29 |
igs | igs 2950 |    10    11    27 |     7    12    29 |    12    13    28 |
jpl | jpl 2962 |U   12    13    39 |U    9    14    41 |U   12    15    32 |
mit | mit 2976 |    12    13    31 |U   11    14    38 |U   14    15    33 |



Table 5: Daily Precise Navigation Summary using the corresponding Centre orbit 
         positions and satellite clock corrections at 15 min intervals.

         Each line gives the daily station RMS w.r.t. the estimated coordinates 
         for the Latitude, Longitude and Height components.
        
         CLK  - Satellite clocks used.
         EPO  - Number of satellite clock epochs available for that day.
         Units: mm.

Table 5.2008.0   GPS week: 2008   Day: 0   MJD: 58300.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    14    19    23 |     8    15    27 |    12    14    35 |
emr | emr 2972 |    18    22    25 |    18    25    46 |    14    20    55 |
esa | esa 2976 |    13    19    27 |     8    22    35 |    11    15    28 |
gfz | gfz 2972 |    14    21    22 |     8    24    38 |    22    20    78 |
grg | grg 2976 |    14    22    25 |    10    22    40 |    12    16    36 |
igr | igr 2938 |    12    20    21 |     8    21    37 |    12    15    31 |
igs | igs 2968 |    13    20    24 |     8    23    35 |    12    15    30 |
jpl | jpl 2880 |    14    21    31 |    10    21    50 |    13    17    38 |
mit | mit 2976 |    15    19    28 |    20    32    62 |    13    18    33 |

Table 5.2008.1   GPS week: 2008   Day: 1   MJD: 58301.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    11    13    28 |     8    11    23 |    12    13    28 |
emr | emr 2972 |    17    16    33 |    15    13    43 |    15    17    35 |
esa | esa 2976 |    11    12    30 |     8     8    26 |    11    14    25 |
gfz | gfz 2972 |    13    16    28 |     7    11    26 |    12    14    30 |
grg | grg 2976 |    13    16    31 |    21    27    58 |    15    17    59 |
igr | igr 2971 |    12    13    29 |     8    10    23 |    12    15    27 |
igs | igs 2972 |    11    13    29 |     7     9    24 |    12    14    24 |
jpl | jpl 2976 |    10    11    33 |    12    16    40 |    14    16    26 |
mit | mit 2976 |    18    20    42 |    11    10    27 |    15    18    25 |

Table 5.2008.2   GPS week: 2008   Day: 2   MJD: 58302.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3070 |    10     8    22 |     8     9    29 |    12    12    28 |
emr | emr 2875 |    19    20    34 |    14    13    43 |    15    12    39 |
esa | esa 2976 |    10     9    28 |     7     7    26 |    12    12    23 |
gfz | gfz 2971 |    12    11    24 |     8     7    30 |    12    12    27 |
grg | grg 2975 |    12    13    26 |     9    18    31 |    13    13    30 |
igr | igr 2878 |     9     9    23 |     7     8    29 |    12    11    24 |
igs | igs 2879 |    10     8    25 |     7     8    28 |    13    12    23 |
jpl | jpl 2976 |    11    10    36 |     9    12    39 |    15    14    41 |
mit | mit 2976 |    10     9    27 |    10     9    37 |    17    10    30 |

Table 5.2008.3   GPS week: 2008   Day: 3   MJD: 58303.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |    15    11    31 |     6    12    25 |    12    13    31 |
emr | emr 2972 |    22    16    39 |    15    13    56 |    13    14    33 |
esa | esa 2976 |    16     9    34 |     6     9    25 |    11    14    26 |
gfz | gfz 2972 |    17    11    30 |     7    11    25 |    12    15    33 |
grg | grg 2976 |    13    14    31 |     6    19    27 |    11    15    32 |
igr | igr 2880 |    15    12    31 |     6    10    26 |    12    15    32 |
igs | igs 2966 |    15    10    34 |     6    11    28 |    11    14    31 |
jpl | jpl 2976 |    17    11    47 |     7    14    38 |    13    15    38 |
mit | mit 2976 |    14    12    34 |     7    12    36 |    12    16    38 |

Table 5.2008.4   GPS week: 2008   Day: 4   MJD: 58304.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |     9    10    26 |     7    11    27 |    11    13    34 |
emr | emr 2972 |    19     8    34 |    17    18    35 |     9    15    28 |
esa | esa 2976 |    12     8    26 |     7    10    26 |     9    13    25 |
gfz | gfz 2972 |    10     9    25 |     8    11    26 |    10    12    31 |
grg | grg 2976 |     9    12    24 |     8    17    24 |    10    12    32 |
igr | igr 2947 |    10     9    25 |     7    11    27 |    10    13    30 |
igs | igs 2970 |    10     9    27 |     8    11    26 |     9    13    27 |
jpl | jpl 2976 |    11    11    38 |     9    14    35 |    10    14    22 |
mit | mit 2976 |     9    11    29 |     8    13    36 |    12    15    35 |

Table 5.2008.5   GPS week: 2008   Day: 5   MJD: 58305.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3071 |     8    10    22 |     6    10    31 |    14    14    37 |
emr | emr 2972 |    17     8    39 |    13    19    43 |    13    14    53 |
esa | esa 2976 |     8     8    25 |     5     9    27 |    12    15    29 |
gfz | gfz 2972 |     8     9    22 |     7    11    34 |    17    21    83 |
grg | grg 2976 |     9    11    25 |     6    18    29 |    17    20    61 |
igr | igr 2880 |     7    10    22 |     6     9    28 |    13    14    32 |
igs | igs 2957 |     7     9    26 |     6    10    32 |    12    15    34 |
jpl | jpl 2976 |    10    12    41 |     8    13    41 |    12    14    34 |
mit | mit 2976 |     9    11    26 |     9    11    32 |    14    16    40 |

Table 5.2008.6   GPS week: 2008   Day: 6   MJD: 58306.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |     7    12    19 |     8    10    29 |    12    11    29 |
emr | emr 2972 |    18    11    40 |    12    13    54 |    13    17    42 |
esa | esa 2976 |     9    10    23 |     6     8    30 |    11    12    23 |
gfz | gfz 2973 |     6     9    19 |     7    11    30 |    12    12    28 |
grg | grg 2975 |     8    13    18 |    20    25    48 |    13     9    59 |
igr | igr 2955 |     7    11    21 |     7     9    28 |    12    11    26 |
igs | igs 2941 |     7    10    23 |     7     9    31 |    12    11    27 |
jpl | jpl 2976 |    11    14    44 |    10    12    48 |    10    13    25 |
mit | mit 2976 |     7    11    28 |     9    11    36 |    14    13    28 |


Table 6: Earth Orientation Parameters weekly summary.                          
                                                                              
        Weekly mean and standard deviation of Centre ERP, ERP rates and       
        LOD differences with respect to IGS combined values. See Table 7 for  
        the daily summaries.                                                  
                                                                              
        Xpole,Xrt: x pole and x pole rate                          
        Ypole,Yrt: y pole and y pole rate                       
        LOD      : Length Of Day                                               
                                                                              
        AC LOD BIAS    : 10-day mean LOD bias with respect to Bulletin A     
        AC LOD BIAS RMS: RMS of AC LOD BIAS                              
                                                                              
        FLAG: "u" (used), "x" (excluded), "-" (no submission)                 
              for Xpole, Ypole, Xrt, Yrt and LOD                              

Table 6.2008   GPS week: 2008   MJD: 58300.500-58306.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -12      -6     -53      68      5 |      10     27
            |      26      21      87      79      5 |       5
emr   uuuuu |      24       1     161     140      0 |      27     37
            |      25      18     137     102      8 |       3
esa   uuuuu |       9      23     -54      33      2 |       6     23
            |      12      11      50      56      7 |       3
gfz   uuuuu |     -22      -5     114    -157     -1 |      19     32
            |      18      18      47      89      8 |       5
grg   uuuuu |      -6      17      15     -59      3 |      -2     24
            |      13      23      31      90      4 |       5
igr   xxxxx |      -8       5      22       1      5 |       2     25
            |      15      13      49      72      2 |       5
irf   xxxxx |     -10     -13     -22     -44     -8 |       3     25
            |       9       8      11      18      5 |       3
jpl   uuuuu |      -7     -25     136      38      2 |      22     31
            |      16      11      36      61     17 |       4
mit   uuuuu |     -19      13     -90    -180    -10 |      24     33
            |      20      17      23      45      5 |       4
ngs   uuuuu |      19     -15    -116      25     -6 |      10     25
            |      39      23      73     113      3 |       2
sio   uuuux |      22       7     -92     143     -5 |      46     52
            |      24      20      84      88      4 |       2


Table 7.2008.0   GPS week: 2008   Day: 0   MJD: 58300.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |      33       1    -126     215     13 |       3     21
emr   uuuuu |      16      10      43     163     -1 |      24     31
esa   uuuuu |       3      11      34     103     -6 |       2     19
gfz   uuuuu |     -23      11     143    -237      9 |      12     24
grg   uuuuu |     -18      57      43    -138      5 |      -9     22
igr   xxxxx |     -14     -13      64    -104      3 |      -6     22
irf   xxxxx |       7      -2     -12     -16      0 |      -1     20
jpl   uuuuu |     -11     -43     131     -22    -18 |      18     26
mit   uuuuu |     -17     -17     -94    -119     -2 |      19     28
ngs   uuuuu |      26       7     -58      17     -4 |       7     21
sio   uuuux |       5      -9    -216     116    -12 |      47     52

Table 7.2008.1   GPS week: 2008   Day: 1   MJD: 58301.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -14      -1       5      53      7 |       4     21
emr   uuuuu |      52      36      45     284     13 |      22     29
esa   uuuuu |      10      11    -111     -13     -3 |       1     18
gfz   uuuuu |     -43      -4      72    -214     10 |      13     25
grg   uuuuu |       0      24     -26    -149     -1 |      -8     22
igr   xxxxx |      -5       1      76     -88      7 |      -6     22
irf   xxxxx |      -1     -13     -17     -40     -3 |      -1     20
jpl   uuuuu |       9     -22     121      52     -6 |      16     24
mit   uuuuu |      -5      -2     -54    -132     -7 |      19     28
ngs   uuuuu |     -25      -9       2     -45     -7 |       7     20
sio   uuuux |      29     -22     -65     266     -5 |      44     48

Table 7.2008.2   GPS week: 2008   Day: 2   MJD: 58302.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |       7      24    -124      89      4 |      11     30
emr   uuuuu |      57     -16     383     240     -9 |      29     40
esa   uuuuu |     -14      31     -28     -59      3 |       7     25
gfz   uuuuu |      12      -8     137    -103     -3 |      21     35
grg   uuuuu |     -26      17     -31    -159     10 |      -2     26
igr   xxxxx |       3       6      51      14      5 |       2     28
irf   xxxxx |     -14     -13     -11     -38    -10 |       6     26
jpl   uuuuu |     -12     -36      99     147      2 |      21     32
mit   uuuuu |      13      23     -93    -155     -9 |      27     36
ngs   uuuuu |     -45     -56     -93     -25     -8 |      13     27
sio   uuuux |      56      35    -109     168     -7 |      49     55

Table 7.2008.3   GPS week: 2008   Day: 3   MJD: 58303.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -11      11      93      -6      0 |      12     30
emr   uuuuu |      -7     -10     325     150      3 |      28     40
esa   uuuuu |      12      16     -51      25     -2 |       7     26
gfz   uuuuu |     -12     -18     149       0     -2 |      22     36
grg   uuuuu |     -10     -22      24       3      0 |       0     26
igr   xxxxx |     -20       7      43      32      3 |       4     28
irf   xxxxx |     -15      -5     -38     -31    -15 |       6     26
jpl   uuuuu |     -34     -18     100      42     31 |      22     33
mit   uuuuu |     -24      35    -122    -190    -16 |      28     36
ngs   uuuuu |      35     -17    -213    -133    -10 |      12     27
sio   uuuux |      50      23    -190     218     -6 |      48     54

Table 7.2008.4   GPS week: 2008   Day: 4   MJD: 58304.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -25     -35     -36     -16      4 |      13     29
emr   uuuuu |      18       8      98     110      3 |      29     40
esa   uuuuu |      26      38    -112      90      8 |       8     25
gfz   uuuuu |     -23     -32     163    -112    -13 |      23     35
grg   uuuuu |      14       7      31      69     -1 |       2     24
igr   xxxxx |     -29      14     -45      34      6 |       5     26
irf   xxxxx |     -16     -19     -30     -59    -13 |       5     27
jpl   uuuuu |     -16     -23     142     -42     17 |      25     33
mit   uuuuu |     -50      16     -83    -231    -15 |      27     36
ngs   uuuuu |      44       8    -151      16     -9 |      12     27
sio   uuuux |      12      21     -35     147     -6 |      47     54

Table 7.2008.5   GPS week: 2008   Day: 5   MJD: 58305.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -45     -23    -148     104      6 |      14     29
emr   uuuuu |      34      -6     142      15      1 |      29     40
esa   uuuuu |      11      23     -53      46      5 |       8     25
gfz   uuuuu |     -34      -7      99    -241     -9 |      22     35
grg   uuuuu |      -7      18      25     -45      6 |       2     24
igr   xxxxx |      -7      -7     -38      25      3 |       6     26
irf   xxxxx |     -17     -17     -14     -66     -9 |       3     28
jpl   uuuuu |      11     -15     164      33     -4 |      27     34
mit   uuuuu |     -18      20     -72    -227    -13 |      25     36
ngs   uuuuu |      37      -6    -123     149     -4 |      10     28
sio   uuuux |       5       6     -35      84     -3 |      45     52

Table 7.2008.6   GPS week: 2008   Day: 6   MJD: 58306.500

                                                         AC LOD  AC LOD
CENT  FLAG  |   Xpole   Ypole     Xrt     Yrt    LOD |    BIAS  BIAS RMS
            |   [uas]   [uas]   [uas/d] [uas/d]  [us]|    [us]    [us]
------------+----------------------------------------+------------------
cod   uuuuu |     -32     -21     -33      36      0 |      15     30
emr   uuuuu |      -1     -14      94      17     -9 |      28     39
esa   uuuuu |      16      32     -60      37     12 |       9     25
gfz   uuuuu |     -28      23      33    -195      1 |      21     34
grg   uuuuu |       2      16      38       4      4 |       2     24
igr   xxxxx |      15      27       3      96      6 |       7     26
irf   xxxxx |     -16     -24     -34     -60     -6 |       2     27
jpl   uuuuu |       3     -16     198      55     -7 |      26     34
mit   uuuuu |     -31      18    -110    -207    -11 |      23     35
ngs   uuuuu |      63     -32    -178     193     -3 |       9     27
sio   uuuux |      -6      -3       8       0      1 |      44     51


More information about the IGSREPORT mailing list