[IGSREPORT-25519] Wk 1965 IGS Final Orbits

acc acc at igs.org
Sun Sep 24 06:31:21 PDT 2017


Author:  AC Coordinator / GA MIT 

sum-file Version 2.0
Final IGS Orbit Combination - Week 1965   (Sep 03, 2017 - Sep 09, 2017)

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:

igs1965[0-6].sp3  IGS GPS ephemeris files in SP3 format.
igs1965[0-6].clk  IGS GPS satellite and station clocks in clock RINEX format.
igs1965[0-6].cls  IGS GPS clock combination summary report.
igs19657.erp      Earth Rotation Parameters (ERP) and their rates as well as
                  Universal Time (UT1-UTC) and Length Of Day (LOD) associated 
                  with IGS ephemerides.
igs19657.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   | 3 10 3 10 ABMF HARB LHAZ TIXI ABMF LHAZ TIXI
                0  |  EMR   | 3 10 3 10 MAS1 NLIB SFER
                0  |  ESA   | DGAR FAA1 MAL2 SEYG DGAR FAA1 MAL2 SEYG
                0  |  GFZ   | HARB
                0  |  GRG   | BRUX DAEJ GLSV SYOG BRUX DAEJ GLSV SYOG
                1  |  COD   | PALM THU2 TIXI PALM THU2 TIXI
                1  |  EMR   | MAS1
                1  |  ESA   | ABMF AREQ AUCK BAKE BRST MAL2 ABMF AREQ AUCK BAKE
                1  |  ESA   | BRST MAL2
                1  |  GFZ   | SFER SFER
                1  |  GRG   | DAEJ GLSV KIT3 MAL2 MAW1 OUS2 RABT SEYG SYOG DAEJ
                1  |  GRG   | GLSV KIT3 LHAZ MAL2 MAW1 RABT SEYG SYOG
                1  |  JPL   | AREQ AREQ
                2  |  COD   | GODE PALM TIXI PALM TIXI
                2  |  EMR   | MAS1 SFER
                2  |  ESA   | AREQ MAL2 OHI3 ABMF AREQ KOUR MAL2 OHI3
                2  |  GFZ   | 13 13 ABMF FAA1 MAL2 FAA1 MAL2
                2  |  GRG   | CRO1 DAEJ FAA1 GLSV GODE KIT3 SYOG CRO1 DAEJ FAA1
                2  |  GRG   | GLSV GODE KIT3 SYOG
                2  |  MIT   | MAW1 OHI3 MAW1 OHI3
                3  |  COD   | ABMF GODE HYDE PALM TIXI ABMF GODE HYDE PALM TIXI
                3  |  EMR   | HERS SFER HERS MAS1 SFER
                3  |  ESA   | AREQ BRAZ CHTI AREQ BRAZ
                3  |  GFZ   | AUCK SYOG AUCK SYOG
                3  |  GRG   | 5 5 CHTI DAEJ DGAR GLSV GODE KIT3 PIE1 SUTH SYOG
                3  |  GRG   | CHTI DAEJ DGAR GLSV GODE KIT3 MAL2 PIE1 RABT SUTH
                3  |  GRG   | SYOG
                3  |  MIT   | AMC2 AMC2 SUTH
                4  |  COD   | ABMF DGAR MAL2 PALM ABMF DGAR MAL2 PALM
                4  |  EMR   | 20 20 KERG MAS1 STJO THTI
                4  |  ESA   | AREQ CHTI CHTI
                4  |  GFZ   | DGAR SYOG AREQ CHTI DGAR MKEA SYOG
                4  |  GRG   | CHTI DAEJ GLSV KIT3 MAC1 REUN SYOG GLSV MAC1 POHN
                4  |  GRG   | REUN SYOG
                4  |  MIT   | FAIR MKEA FAIR MKEA
                5  |  COD   | DGAR HOFN MAL2 NAIN PALM TIXI DGAR HOFN PALM
                5  |  EMR   | 20 20 KERG MCM4 QAQ1 SCH2 WHIT ALBH KERG MAS1 MCM4
                5  |  EMR   | QAQ1 SCH2 WHIT WILL YELL
                5  |  ESA   | AREQ CHTI MAW1 TRO1 WHIT CHTI MAW1 TRO1 WHIT
                5  |  GFZ   | ALGO FAA1 GODE KOUR MAL2 POHN ALGO FAA1 GODE KOUR
                5  |  GFZ   | POHN
                5  |  GRG   | BAKE BRFT CHTI DAEJ FAIR GLSV KIT3 KRGG MAC1 MAW1
                5  |  GRG   | SYOG BAKE BRFT DAEJ FAIR GLSV KIT3 KRGG MAC1 MAW1
                5  |  MIT   | CHUR NRIL CHUR NRIL OHI3
                6  |  COD   | PALM TIXI PALM TIXI
                6  |  EMR   | MAS1 SYOG
                6  |  ESA   | AREQ MAL2 AREQ CHTI MAL2
                6  |  GFZ   | 5 5 ALBH MAL2 ALBH CHTI MAL2
                6  |  GRG   | CHTI DAEJ GLSV KIT3 SEYG SYOG DAEJ GLSV SEYG SYOG
                6  |  MIT   | REUN REUN

 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. The following table lists all maneuvered satellites for this week. The
    solutions from COD and ESA, which modeled the maneuver, are used that day for
    combination, if available. An associated accuracy code of 0 (unknown) is given
    if only one AC is left (no redundancy). For the long arc evaluation the arc is
    split into two parts at the given maneuver epoch.
    
               PRN |    Date    | Ref. NANU
               ----+------------+----------
               G13 | 2017_09_07 | 2017097 

 7. Velocity changes were estimated to alleviate the effects of modeling problems,
    experienced by all centres,in the Long Arc (LA) process.
    
             Velocity changes per day and affected satellites:
    
               Day |  0 |  1 |  2 |  3 |  4 |  5 |  6 |
           --------+----+----+----+----+----+----+----+
           PRN G10 |  4 |  4 |  4 |  4 |    |    |  4 |
           PRN G13 |  4 |  4 |  4 |  4 |  4 |  4 |  4 |

 8. 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.

 9. 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 |     .5     .3    1.3      12      2    -11    -.58
       EMR  |   0 |   -4.1   -3.6     .1       0      6     27    -.39
       ESA  |   0 |    -.2    -.3    -.5       0      9     -7    -.56
       GFZ  |   0 |     .4    -.1     .3     -12    -10     -3    -.36
       GRG  |   0 |    -.1    2.7   10.9      42     -2     61    -.33
       JPL  |   0 |    6.9     .4   -2.8      30    -92     15    -.20
       MIT  |   0 |   -1.8    2.1    2.2      -7     57     -5    -.42
       NGS  |   0 |     .4   -4.5   14.5      47    -13     -9    -.49
       SIO  |   0 |   -3.0    3.9    7.1      -9      0     -3    -.32

       COD  |   1 |     .7     .2    1.1       6     -6     -5    -.50
       EMR  |   1 |   10.0     .7    9.0      -7      0     -6    -.49
       ESA  |   1 |    -.1    -.5    -.9       2      0    -15    -.50
       GFZ  |   1 |    1.0     .2     .8      -6    -22    -16    -.61
       GRG  |   1 |    5.4   -5.9   18.4      46     37     44    -.34
       JPL  |   1 |    3.6    4.1    3.7     -25    -71     22     .30
       MIT  |   1 |     .5    -.3     .3      20     27    -24    -.28
       NGS  |   1 |    1.5   -5.2   15.6      21    -27    -21    -.47
       SIO  |   1 |    2.0    1.4    7.1      -2    -17     -5    -.33

       COD  |   2 |     .7     .3    1.4       6     -1     -8    -.66
       EMR  |   2 |    7.3    1.3    1.2       8     45    -13    -.31
       ESA  |   2 |     .3    -.1    -.0       4     10     -4    -.50
       GFZ  |   2 |     .6     .1     .9      -9    -21     -2    -.48
       GRG  |   2 |    7.8   -1.8   -6.7      33     19     23    -.34
       JPL  |   2 |    6.7   -1.1   -1.0      11    -40     49     .05
       MIT  |   2 |    3.1    -.0    -.5       7     46    -19    -.27
       NGS  |   2 |    4.5   -4.1    9.0      41    -14     -5    -.46
       SIO  |   2 |    1.5    6.8    3.3      -3      2     -2    -.42

       COD  |   3 |     .8     .4    1.0       9     -2    -17    -.48
       EMR  |   3 |    9.6     .2     .4     -16     26    -34    -.34
       ESA  |   3 |     .5    -.1    -.6      -9    -12     -5    -.50
       GFZ  |   3 |     .4     .1    1.0     -14     -8    -14    -.41
       GRG  |   3 |   11.5    7.5   -5.5      48      8     37    -.47
       JPL  |   3 |    9.8   -8.9   -2.3     -21    -51     76     .36
       MIT  |   3 |     .4    2.1   -1.7      -9     27      0    -.20
       NGS  |   3 |    2.7   -5.9    7.6      31    -52    -29    -.33
       SIO  |   3 |    2.7    4.7   -2.2      -4    -25      6    -.21

       COD  |   4 |     .9    -.1    1.4       3     -4     -9    -.67
       EMR  |   4 |   -2.1    4.5    1.8       7     45     -5    -.40
       ESA  |   4 |     .1    -.5   -1.1       4     -2      2    -.45
       GFZ  |   4 |     .7     .2     .6      -8    -20    -10    -.45
       GRG  |   4 |    -.4    7.1   -3.8      67      1     61    -.19
       JPL  |   4 |    5.3   -3.2   -2.6     -23    -48     70    -.0 
       MIT  |   4 |    -.5    5.5    -.2      -7     33     12    -.41
       NGS  |   4 |    2.2   -3.3   12.6     -11    -30     -6    -.51
       SIO  |   4 |   -4.6    6.8   -1.4     -15    -18     -8    -.34

       COD  |   5 |     .6    -.1    1.3       3     -2     -1    -.63
       EMR  |   5 |    6.5    8.4    7.3     -17      4     -7    -.39
       ESA  |   5 |   -1.2    -.4   -1.4       2      8      0    -.47
       GFZ  |   5 |     .3    -.2     .8     -25     -5     -3    -.50
       GRG  |   5 |     .9    1.4    2.6      33     37     61    -.45
       JPL  |   5 |    -.5    3.4   -3.1     -13    -56     34     .08
       MIT  |   5 |   -6.8    3.2    2.5     -17     32     -8    -.42
       NGS  |   5 |     .6   -1.8    2.2      11    -19    -10    -.48
       SIO  |   5 |   -3.5    6.0   -4.2     -21     -7      6    -.44

       COD  |   6 |     .8    -.4    1.7      -3     -2      6    -.76
       EMR  |   6 |   12.8    -.3    3.8       2     13    -21    -.39
       ESA  |   6 |    -.6    -.8    -.5     -10     -4     13    -.66
       GFZ  |   6 |     .9     .1    1.2     -10    -24     -9    -.64
       GRG  |   6 |    2.2     .0    8.7      45      3     51    -.27
       JPL  |   6 |    5.3    3.9   -4.9      14    -86     44     .0 
       MIT  |   6 |    -.6     .9   -1.5       1     51    -20    -.47
       NGS  |   6 |    -.2   -1.8    7.0     -10    -26     -9    -.58
       SIO  |   6 |   -4.1    6.6   -8.7     -10    -25      8    -.47


10. 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.

11. 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 1.1965.a). It also displays the computed satellite
position sigmas for the combined orbits (Table 1.1965.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 2.1965.[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 3.1965.[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 5.1965.0-6). 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 1965 summary.                       (Sep 03, 2017 - Sep 09, 2017)

Table 1.1965.a   GPS week: 1965   MJD: 57999.000-58005.000

         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  275|    1     0    -1     5   -10     0   .00   11   10 |    -636     -43     11    109
        |    0     0     1     9    22    15   .03           |     169     228
emr   79|   -1     0     3     8     0    -4   .25   17   17 |   43848     -76     22    126
        |    2     3     1    25    17    11   .10           |   72721     576
esa  150|    0     0    -1     3    16    -5  -.02   10   10 |   -1216    -253      8    187
        |    0     0     1    11    10     8   .02           |    1508    2174
gfz  199|    0     0     1     6     2    -6   .06   11   10 |      95    -299     10    149
        |    1     1     1    15    18     8   .02           |     306     641
grg  110|    1     0     0    -5     1    45  -.35   18   14 |      99     -89     13    190
        |    0     0     7    20    19    19   .03           |     110     333
igr  n/a|    0     0     0   -14    -8     0  -.02    4    4 |   -5961    -393     13     81
        |    0     0     0    10    11    11   .02           |     995     727
jpl   80|    0     0     0    13   -45    19   .19   12   13 |     922     -62     42    233
        |    1     1     0    23    27    15   .02           |     365     562
mit  348|    0    -1     0   -22    -8    21  -.00   13   11 |    -955      13     42    334
        |    0     0     0    26    35    20   .02           |     267     381
ngs  216|    0     0     1     9   -10   -14   .05    9    8 |    -636     -63    939   2196
        |    0     0     1    13    11    14   .04           |     113     184
sio  349|    0    -1    -2   -24    -3    -2   .06   14   13 |     ---     ---    ---    ---
        |    0     0     1    38    35    26   .03           |     ---     ---


Table 1.1965.b   GPS week : 1965   MJD: 57999.000-58005.000   

         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    4    4    4    4    4 |
   2  |    6    5    5    5    5    6    5 |
   3  |    6    9    6    5    5    4    5 |
   4  |    0    0    0    0    0    0    0 |
   5  |    5    5    4    7    5    4    5 |
   6  |    4    4    4    4    4    4    4 |
   7  |    4    5    5    5    5    4    4 |
   8  |    4    4    3    4    3    4    4 |
   9  |    4    4    4    4    3    3    3 |
  10  |    8    7    6    5    5    5    5 |
  11  |    4    5    4    4    4    4    4 |
  12  |    5    5    5    5    5    5    5 |
  13  |    4    4    4    5    0    5    5 |
  14  |    5    5    5    5    5    5    5 |
  15  |    5    5    5    5    5    5    5 |
  16  |    5    5    6    6    6    5    5 |
  17  |    6    5    5    4    5    5    4 |
  18  |    6    5    4    5    5    5    5 |
  19  |    6    6    6    5    6    6    5 |
  20  |    4    4    5    5    4    4    5 |
  21  |    5    4    5    4    5    5    5 |
  22  |    5    5    4    4    4    5    4 |
  23  |    6    6    6    6    6    6    6 |
  24  |    4    4    4    4    4    4    4 |
  25  |    4    4    4    4    4    4    4 |
  26  |    5    4    6    5    5    5    5 |
  27  |    4    4    4    4    4    3    3 |
  28  |    4    4    4    5    4    5    4 |
  29  |    7    8    8    8    7    8    8 |
  30  |    4    3    3    4    3    4    3 |
  31  |    4    5    5    5    5    5    4 |
  32  |    3    4    4    4    3    4    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 2.1965.0   GPS week: 1965   Day: 0   MJD: 57999.000                            

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  278|    0     0     0    -1   -49   -17   .06   14   12 |    -848     422     14    103
emr   79|   -5    -6     2     1    -1   -12   .08   18   18 |     902     298     27    137
esa  150|    0     0     0     4    10   -11   .00   10   10 |   -3255    1491      9    174
gfz  199|    1     1    -1   -11    -2     2   .04   10   10 |      51     284     10    133
grg  106|    0     0     3     0   -15    48  -.30   18   14 |      -5     176     16    167
igr  n/a|    0     0     0   -25   -18   -15   .02    4    4 |   -4894     202     15     85
jpl   80|   -3     0     0    12   -67   -11   .20   12   12 |     439     680     49    238
mit  349|    0     0    -1     3    24    41  -.01   13   11 |    -774     283     56    347
ngs  218|    0     2     2     6     0   -29   .07    9    8 |    -774     309    832   2192
sio  345|    0    -1    -3    12    17    11   .02   15   14 |     ---     ---    ---    ---

Table 2.1965.1   GPS week: 1965   Day: 1   MJD: 58000.000                            

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  275|    1     0    -3    17    16     5  -.04   11   10 |    -704      26     12    111
emr   80|    0     1     4    16    24     4   .28   17   17 |    1281    -887     22    122
esa  150|    0     0    -4    14    26    -5  -.04   11   10 |    -288   -1728      7    211
gfz  200|    0     0     0    30     3    -8   .06   10   10 |     334    -945     11    237
grg  112|    0     0    10    24    32    47  -.36   23   17 |     222    -227     13    194
igr  n/a|    0     0     0   -21     4     4  -.01    5    4 |   -4663   -1477     13     79
jpl   80|   -2     2     0    19   -27    16   .21   12   12 |    1248    -752     39    243
mit  349|    0    -1     0   -53   -50    22  -.04   13   10 |    -923    -116     45    293
ngs  217|   -1     0     4    11   -10   -25   .07    8    7 |    -697       7   1084   2258
sio  352|    0    -2    -4   -74   -48    18   .02   15   15 |     ---     ---    ---    ---

Table 2.1965.2   GPS week: 1965   Day: 2   MJD: 58001.000                            

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  275|    2     0    -3     4   -28   -26   .01   11   10 |    -701     -47      9    106
emr   80|   -2     2     4    27    -7   -18   .30   16   16 |     686    -109     22    133
esa  150|    0     0    -2    15    -1   -13  -.05   10   10 |   -2984     699      8    180
gfz  198|   -1     0     2    -4   -20    -6   .05   11   11 |    -290    -161     10    121
grg  110|    1     0    -1    -3    -2    76  -.34   17   14 |      29    -260     13    187
igr  n/a|    0     0     0   -11   -24    -7  -.04    4    4 |   -5950    -703     13     78
jpl   80|    1     1    -1    41   -43    15   .16   13   13 |     653    -353     41    206
mit  349|    1    -1     0   -25    49    31  -.01   13   11 |   -1066    -178     39    360
ngs  218|    0     0     1    18   -16   -13   .09    9    8 |    -684     -87    788   2146
sio  347|    0     0     0   -42    40    13   .07   14   13 |     ---     ---    ---    ---

Table 2.1965.3   GPS week: 1965   Day: 3   MJD: 58002.000                            

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  278|    1     0     0     0     8     2   .03   11   10 |    -356    -255     11    106
emr   80|    0     2     4    16     3   -15   .32   16   16 |    1472    -622     20    102
esa  150|    0     0    -1   -19    18    -3  -.04   10   10 |   -1229    1746      8    167
gfz  201|    0     0     2     2    22   -16   .04   11   11 |    -153     476     11    105
grg  108|    1     0   -11   -27     7    36  -.35   20   16 |     126     439     14    183
igr  n/a|    0     0     1   -25     0     3  -.02    4    4 |   -5931   -1066     12     78
jpl   80|    1     0     0     0     1    27   .21   12   12 |     963    -655     44    259
mit  348|    0    -1     0     4   -17    48  -.00   14   12 |    -673     634     39    339
ngs  219|    0     0     1     8   -25   -26   .04    8    7 |    -435    -205    817   2137
sio  351|    0    -1     0     2    -9    18   .04   14   14 |     ---     ---    ---    ---

Table 2.1965.4   GPS week: 1965   Day: 4   MJD: 58003.000                            

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  272|    1    -1     0    -5    -7     2  -.02   11    9 |    -460    -209     12    109
emr   78|   -5     3     2    46    19     0   .14   17   17 |  149973     255     25    111
esa  150|    0     0    -1     2    29    -6  -.00    9   10 |    -523    -644     10    188
gfz  199|    0    -2     1    23    28    -7   .07   11   10 |     534    -843     11    140
grg  111|    1     0    -5    10     8    59  -.37   16   15 |     262    -576     14    197
igr  n/a|    0     0     0     2    -2     7  -.01    4    4 |   -7401      27     14     81
jpl   80|    0    -1    -1     8   -36    34   .20   13   14 |     616     226     46    253
mit  348|    1     0    -1   -61   -43    13   .00   14   12 |    -675    -510     41    315
ngs  218|    0     0     4    23   -14   -14   .08    8    8 |    -556    -108   1072   1816
sio  351|    0    -2    -2   -73   -43   -22   .08   14   13 |     ---     ---    ---    ---

Table 2.1965.5   GPS week: 1965   Day: 5   MJD: 58004.000                            

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  274|    1     0     0    20     3     9  -.02   11   10 |    -654    -178     12    122
emr   80|    0     1     4   -27   -16    12   .31   17   17 |  150626     792     20    148
esa  150|    0     0     0    -1    14   -12   .00   10   10 |    1025   -4323      9    202
gfz  201|    0     0     2    -7     6   -13   .07   11   11 |     323   -1067     10    167
grg  112|    0     0     0   -33     9    32  -.37   14   11 |     -22    -219     13    230
igr  n/a|    0     0     0   -12   -16    -9  -.02    4    4 |   -6984     564     15     94
jpl   80|    0    -1     0   -28   -79    26   .19   12   12 |    1105     532     41    219
mit  349|    0    -1     0   -11   -14    -1   .01   13    9 |   -1326    -222     39    357
ngs  214|    0     0    -1    19   -14    -8   .05   10    9 |    -607    -254   1079   2159
sio  349|    1    -1    -1     6   -14    -3   .09   14   13 |     ---     ---    ---    ---

Table 2.1965.6   GPS week: 1965   Day: 6   MJD: 58005.000                            

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  276|    0     0     0     5   -17    17  -.01   11   10 |    -729     -66     11    106
emr   80|    2    -1     2   -19   -24    -1   .34   17   17 |    2002    -260     21    135
esa  150|    0     0    -1     9    16    11  -.01   10   10 |   -1259     985      8    187
gfz  197|   -1     0     0    10   -19     6   .08   10   10 |    -130     159     10    143
grg  111|    1     0     5    -9   -28    16  -.40   16   14 |      86      42     14    177
igr  n/a|    0     0     0    -4     0    16  -.04    4    4 |   -5906    -304     13     77
jpl   80|    0     0     0    37   -63    27   .19   12   12 |    1433    -117     40    219
mit  349|    0    -1     0   -11    -5    -4   .03   14   11 |   -1251     200     40    330
ngs  214|    0     0     1   -17    10    13  -.04    9    8 |    -705    -104    902   2666
sio  351|    0     0    -3     0    34   -53   .09   12   12 |     ---     ---    ---    ---

       
       
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 3.1965.0   GPS week: 1965   Day: 0   MJD: 57999.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    6   12    7    7    9    4    8    9    6   16    3 |    28   32   30   30   27   27   31   28   28   38    29
   2  |   21   12   11   14   17    3   10   15   11   23    6 |    23   28   23   38   19   27   29   36   33   28    27
   3E |   14   25   12   14   34    6   15    8   13   12    6 |    41   46   45   45   58   42   42   44   44   46    44
  X4  |    3  ---  ---  ---  ---   23   22  ---  ---  ---    0 |    44  ---  ---  ---  ---   49   43  ---  ---  ---    45
   5E |   27   14    7    8   16    3    9   10    9   10    5 |   121  121  120  119  119  119  121  121  119  121   120
   6  |    9   12    8    8   15    4   11   15    9   13    4 |    30   32   28   27   26   27   31   29   30   25    27
   7  |    8   15   13    9    9    2   11   11    9   13    4 |    27   26   24   24   24   23   28   22   24   26    23
   8  |    8   14    7    8   15    3    7    7    9   16    3 |    29   31   30   27   27   28   33   28   31   33    28
   9  |   11   14    9    6   11    3   10   11    5   12    3 |    28   30   32   29   25   29   34   30   32   35    30
  10E |   26   26   11   11   48    8  ---    8   14   16    8 |   530  525  527  526  532  527  ---  525  526  528   527
  11  |   12   16   14    7   11    3   12   10    8   13    4 |    46   45   38   49   40   42   46   46   43   45    43
  12E |   14   24    7   11   17    5   19   13    7   13    4 |    65   64   60   63   62   62   63   61   60   62    61
  13  |   11   14   13   10    8    3   11   11    8   12    4 |  9999 9999 9999 9999 9999 9999 9999 9999 9999 9999  9999
  14  |    7   21   12   13   16    4   11   12    9   18    5 |    31   30   27   35   29   31   29   35   34   32    29
  15  |   12   13   12   11   13    3   11   11    9   17    4 |    38   41   41   34   33   36   41   34   34   36    35
  16E |   11   31    7   15   15    4   17   13    8   13    5 |    37   43   39   42   39   39   42   38   41   40    38
  17  |   21   17   12   13   17    4    9   13   12   17    5 |    40   37   33   38   36   36   38   39   39   35    35
  18E |   19   23    8   12   31    5   14   13   12   14    6 |    25   36   34   34   31   32   31   34   33   33    30
  19  |   19   18   11   14   19    6   11   16   12   20    6 |    45   43   41   43   46   42   42   44   43   41    41
  20E |   18   12    7    9   10    3   12    8    9   12    4 |    55   53   52   48   53   50   52   52   50   51    51
  21  |    8   14   11   10   15    4   13   11   10   18    4 |    27   32   25   34   21   29   30   33   30   31    28
  22E |   10   19    8   11   21    3   15   10    9    9    4 |    47   49   50   52   44   51   49   51   52   51    49
  23  |   13   31   11   14   14    3   16   17   11   17    6 |    20   25   19   28   22   22   23   32   27   26    22
  24  |   10   12   11    9   13    4   10   12    9   12    4 |    27   29   29   31   27   28   32   30   30   34    28
  25E |   10   20    8    6   14    4   11    9   11   13    4 |    28   29   32   28   32   27   27   27   30   27    28
  26E |   13   18    9   11   15    4   12   12    7   17    4 |    41   45   45   44   45   42   43   43   45   42    43
  27  |    8   11    6    6   13    3    8    8    9   14    3 |    27   32   30   26   28   27   31   27   29   33    27
  28E |    9   14    8    8   16    4   11   10    6   14    4 |    33   29   30   32   32   30   28   31   30   34    30
  29  |   12   25   12   13   16    8   17   37   12   14    7 |    31   38   32   31   33   32   35   36   32   29    28
  30  |   11   11   11    9    8    4   10    8    7   13    3 |    26   29   26   26   23   25   32   26   28   30    26
  31  |   10   16   12   11    9    5   12    9    9   15    4 |    29   30   24   24   23   25   31   25   26   28    24
  32  |    7   15    9    5   11    4    8    7    8   11    3 |    41   50   48   44   40   43   44   43   46   50    45
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   14   18   10   10   18    4   12   13    9   15      |T   53   56   53   55   53   53   39   55   54   55    52
 WRMS |   12   18   10   10   14    4   12   11    8   14      |NE  31   33   30   32   28   31   34   32   32   33    31
 MEDI |   11   15   11   10   15    4   11   11    9   14      |MD  31   32   32   34   32   32   33   34   33   34    30

Table 3.1965.1   GPS week: 1965   Day: 1   MJD: 58000.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    6    9    8   11   13    3    7    8    8   16    3 |    26   31   25   23   23   24   29   24   25   36    24
   2  |   13   11   10   17   21    5    9   13    9   21    5 |    20   28   23   33   18   26   25   30   25   27    24
   3E |   27   22   19   14   66   10  ---   14   16   14    9 |    47   53   49   47   69   48  ---   53   46   54    47
  X4  |    2  ---  ---  ---  ---   23  ---  ---  ---  ---    0 |    40  ---  ---  ---  ---   45  ---  ---  ---  ---    40
   5E |   20   14    7   12   17    4   11   10    7   13    4 |   118  118  118  115  116  116  116  117  116  121   116
   6  |    9   13    9   10   18    4   10   12    6   16    4 |    27   32   26   25   22   24   29   26   25   27    25
   7  |    9   16   13    9    9    4   11   11   10   14    4 |    20   23   17   20   16   18   22   19   20   24    18
   8  |    7    9    7    6   13    3   10    7    7   18    3 |    25   28   26   26   26   25   28   26   25   37    26
   9  |   10   14   11    8   11    5    7    9    6   15    4 |    28   34   32   28   29   27   34   28   27   33    28
  10E |    9   23   13   11   59    8   19    7   11   15    7 |   417  420  415  416  403  417   53  415  420  414   415
  11  |    9   13   14   16   16    5   12    7    7   16    4 |    26   31   20   28   20   25   33   27   24   26    23
  12E |   14   25    6    8   22    4   17   12    8   16    5 |    48   48   46   47   41   45   47   46   45   47    45
  13  |   11   13   13    9    8    2   12   11    7   12    4 |  9999 9999 9999 9999 9999 9999 9999 9999 9999 9999  9999
  14  |    7   13   14   13   17    4   13   12    8   17    4 |    27   32   27   30   31   30   33   32   31   33    28
  15  |   13   12   11   11   19    4   13   12    8   16    4 |    32   36   31   31   35   30   36   31   33   33    31
  16E |    8   29    9   12   13    4   19   12    8   14    5 |    33   37   34   32   30   33   33   36   36   35    33
  17  |   11   15   11   13   21    6    9   13    9   18    5 |    32   32   29   32   30   31   31   32   32   29    29
  18E |   15   21    8    8   28    5   12    9    9   13    5 |    20   28   29   27   25   27   28   28   26   30    25
  19  |   12   17   11   13   21    6   13   15   10   22    5 |    32   35   33   35   37   33   33   35   34   34    32
  20E |   15   12    6    9   14    3    9   12    6    9    4 |    39   41   41   40   46   40   40   42   42   39    40
  21  |    9   14   10    9   21    4   11   11    8   17    4 |    25   29   21   26   19   24   27   26   25   23    23
  22E |    9   17    8   11   30    5   11    9    8   11    4 |    37   37   39   42   38   40   39   39   39   40    37
  23  |   11   31   12   11   19    4   15   17   11   17    6 |    19   28   17   19   20   17   22   25   21   22    18
  24  |    7   14   13    6   13    3    7   13    5   14    4 |    23   29   25   27   22   23   29   27   26   30    25
  25E |    9   14    8    4   11    4    9    6    7   14    3 |    25   31   33   29   31   27   29   30   28   29    28
  26E |   10   18   10    7   16    4   10   10    8   18    4 |    35   42   39   37   37   37   36   41   37   37    36
  27  |    8   14    7    6   13    3   10    6    9   13    3 |    25   30   25   27   23   25   28   28   26   30    25
  28E |    8   12    9    5   18    3   10    9    8   11    3 |    26   28   26   28   30   28   28   29   30   28    26
  29  |   10   25   11   13   24    6   17   42   11   15    7 |    26   27   22   28   26   23   25   36   27   23    21
  30  |    6   10   11    7   10    4    7    6    6   13    3 |    23   30   25   24   21   22   29   23   25   29    24
  31  |    8   16   12   11   10    4   13    9   10   19    4 |    29   32   23   24   22   25   33   26   25   30    24
  32  |    7   13   10    6   12    3    9    8    6   15    3 |    32   42   38   35   36   35   38   35   37   39    35
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   17   11   10   23    5   12   13    8   15      |T   44   49   45   46   44   44   34   47   45   47    44
 WRMS |   10   17   10   10   17    4   12   10    7   15      |NE  26   31   25   27   25   26   29   28   27   29    26
 MEDI |    9   14   10   10   17    4   11   11    8   15      |MD  27   32   27   28   29   27   31   30   27   30    28

Table 3.1965.2   GPS week: 1965   Day: 2   MJD: 58001.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    8   13    7    8   10    4    7   10    7   13    3 |    29   33   31   33   31   30   33   29   31   39    31
   2  |   11   13   11   17   14    5   12   11    9   19    5 |    22   30   23   39   22   29   27   32   32   32    27
   3E |   13   15   13   11   38    5   16   10    9   11    6 |    25   30   27   26   33   25   34   23   26   24    24
  X4  |    3  ---  ---  ---  ---   34   32  ---  ---  ---    0 |    36  ---  ---  ---  ---   43   43  ---  ---  ---    36
   5E |   12   16    7   10   16    4   11    6    6   11    4 |    69   75   72   71   71   72   72   73   72   68    71
   6  |    8   15    8    9   11    3   11   11    7   13    3 |    24   33   24   25   24   22   30   24   24   30    24
   7  |    9   16   11   11   12    4   11   13    8   15    4 |    22   27   17   18   20   19   25   21   23   25    20
   8  |    7   11    7    7   13    4    9    6    7   11    3 |    25   29   27   25   24   24   28   26   27   29    25
   9  |    8   12   10    7   11    5    9    9    7   11    3 |    23   29   24   21   23   21   28   22   21   30    22
  10E |    8   15   13   15   37    6   12    9   12   15    6 |   184  186  184  186  182  186   32  186  184  185   184
  11  |    9   14   15    8   10    3   15   10    8   10    4 |    31   33   25   32   29   29   34   31   32   30    29
  12E |   15   27    6   12   11    4   18   12    8   13    5 |    44   44   42   44   37   41   44   41   41   40    41
  13  |   12   12   13   11    9    3   15   12    7   13    4 |  9999 9999 9999 9999 9999 9999 9999 9999 9999 9999  9999
  14  |    7   15   11   15   17    4   12   14    9   19    5 |    23   28   22   30   26   24   26   29   27   27    24
  15  |   15   13   10   14   13    5   14   11    9   14    4 |    36   39   33   28   37   31   39   32   32   34    32
  16E |   11   25    8   15   25    5   21   16   10   16    5 |    25   34   28   30   20   26   27   31   30   34    27
  17  |   13   18   11   14   14    5    9   12   11   16    5 |    37   39   33   39   34   36   38   40   38   41    36
  18E |   11   19    8   10   13    2   18    8    6   11    4 |    22   30   29   30   29   27   25   28   29   28    27
  19  |   15   21   11   15   15    6   15   15   13   19    5 |    43   44   40   42   42   39   43   39   40   42    40
  20E |   21   13    7   10   12    4   10   12    7    9    4 |    37   40   37   37   37   36   34   39   39   41    37
  21  |    8   15   12    9   12    3   11   12    8   18    4 |    28   33   24   29   26   27   28   30   30   29    27
  22E |   10   14    7   11   17    3   11   10    8   11    4 |    38   38   38   42   39   37   35   38   37   43    38
  23  |   14   28   12   14   13    5   17   19   11   18    6 |    19   27   18   25   23   20   22   27   25   23    20
  24  |    9   14   12    8   10    3    7   10    6   10    3 |    23   31   26   27   25   25   29   26   27   33    26
  25E |    8   15    9    5   17    4   12    9    6   11    3 |    23   30   30   27   28   25   28   26   27   26    26
  26E |   11   13    9   10   30    6   11   13   11   18    5 |    36   43   43   39   48   38   41   43   39   41    39
  27  |    8   14    8    7   13    4    7    6    8   15    3 |    23   31   25   24   24   23   27   27   23   33    24
  28E |    8   15    8    7   11    5   10   11    8   11    3 |    25   30   27   28   27   25   27   29   30   28    27
  29  |   11   22   11   14   20    8   18   44   12   14    7 |    27   30   23   23   22   23   28   37   26   18    19
  30  |    6   13    9    8   10    4    9    8    4   12    3 |    25   33   26   25   22   25   30   23   26   33    26
  31  |    8   15   12   15   12    4   14   11   10   18    4 |    27   31   22   23   26   23   32   25   26   29    24
  32  |    7    9    9    9   13    4    9    8   10   14    3 |    31   35   33   29   28   31   35   30   35   36    31
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   16   10   11   17    4   13   13    9   14      |T   34   39   35   36   35   34   33   36   36   38    34
 WRMS |   10   16   10   11   14    4   13   11    8   13      |NE  27   32   26   28   26   27   31   28   28   31    27
 MEDI |    9   15   10   10   13    4   11   11    8   13      |MD  27   33   27   29   27   27   30   29   30   32    27

Table 3.1965.3   GPS week: 1965   Day: 3   MJD: 58002.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    6    9    9    8    9    3    8   10    8   16    3 |    25   28   24   28   25   24   29   25   25   35    25
   2  |   12   12   10   14   15    4   12   14    8   18    4 |    27   36   30   42   33   36   36   42   36   34    33
   3E |   13   11   13   10   25    5   14    9    8    9    4 |    40   43   42   39   44   38   32   38   36   43    39
  X4  |    1  ---  ---  ---  ---   36   34  ---  ---  ---    0 |    41  ---  ---  ---  ---   31   31  ---  ---  ---    41
   5E |   15   17    5   12   55    5   14   12    8    9    6 |    57   61   58   61   79   59   60   61   61   59    59
   6  |   18   11    7    9    9    5    8   10    6   14    4 |    29   32   22   24   22   23   30   27   24   30    24
   7  |    7   17   12   11   14    5   13   12    9   13    4 |    23   27   21   20   22   20   26   21   22   24    21
   8  |    8   12    7    9   15    3    8    7    5   14    3 |    37   40   38   35   34   36   39   35   35   42    36
   9  |    9   12   10    9   14    4    8    8    6   10    3 |    26   32   31   24   30   25   33   24   26   33    27
  10E |    9   15   12   11   32    4   11   10    8   12    5 |   186  186  186  184  186  184   40  183  184  185   185
  11  |    8   14   14   10   10    2   11    9    8   16    4 |    46   45   38   48   47   43   47   43   45   45    43
  12E |    9   23    6   10   17    4   18   14    8   13    4 |    52   52   50   55   46   52   53   54   51   53    51
  13  |   12   13   12    9   11    3   14   13   10   14    4 |  9999 9999 9999 9999 9999 9999 9999 9999 9999 9999  9999
  14  |    6   13   13   14   17    3   12   14    8   16    4 |    23   29   23   26   31   23   28   26   24   25    22
  15  |    9   12   11   12   16    4   11   13    8   17    4 |    38   44   41   32   46   36   43   33   39   35    37
  16E |    8   29    6   16   27    4   18   13    7   17    5 |    33   35   35   36   36   34   33   38   37   39    34
  17  |   11   15   11   12   13    5    9   11    7   14    4 |    32   35   30   34   27   31   34   32   33   35    31
  18E |   19   20    8   10   19    5   14   10    9   11    5 |    26   34   35   35   37   34   32   34   36   33    32
  19  |   13   20   10   14   13    6   14   15    9   18    5 |    34   39   33   36   31   32   37   32   34   34    33
  20E |   21   11    6   10   13    3    8   13    8    8    4 |    28   31   30   28   29   28   29   33   31   30    29
  21  |   10   12   11   11   14    5   10   11    8   16    4 |    29   38   28   39   34   34   34   38   36   35    33
  22E |    9   11    8    8   17    4   12   10    7   10    3 |    32   39   32   36   30   33   32   36   34   36    33
  23  |   11   28   11   17   16    4   17   21   11   16    6 |    18   26   16   22   17   15   21   22   19   18    16
  24  |    8   13   13    6   10    4    9   11    4   12    3 |    23   31   24   27   20   26   30   26   27   28    25
  25E |    8   15    7    6   21    5   12    8    8   14    4 |    30   34   33   30   27   29   34   28   28   30    29
  26E |    9   15    9   13   25    4    9   16    7   17    5 |    31   34   35   33   32   33   32   35   34   31    31
  27  |    8   13    7   10   12    3    9    8    7   15    3 |    36   42   37   33   33   35   38   35   33   42    35
  28E |    7   15    8   10   31    4   11   12    8   10    4 |    43   42   46   45   42   44   43   44   43   42    43
  29  |   12   23   12   12   18    7   16   44   11   17    7 |    40   44   37   38   35   37   43   46   36   37    35
  30  |    8   11   10   10   10    5    7    8    6   11    3 |    28   35   27   28   21   29   34   26   29   32    27
  31  |   10   16   11   14   13    5   13   11    9   18    4 |    23   27   20   21   22   21   28   21   22   27    20
  32  |    6   10    9    8   13    2   10    9    5   13    3 |    32   35   35   31   37   32   35   27   32   38    32
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   16   10   11   20    4   12   14    8   14      |T   37   41   37   39   38   37   35   38   38   40    37
 WRMS |   10   16   10   11   16    4   12   12    7   14      |NE  30   35   29   30   29   29   33   30   30   33    29
 MEDI |    9   13   10   10   15    4   11   11    8   14      |MD  32   35   33   33   32   33   34   33   34   35    33

Table 3.1965.4   GPS week: 1965   Day: 4   MJD: 58003.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    5   10    9    9   15    4    9   12    9   15    4 |    28   34   29   35   28   30   33   35   33   41    31
   2  |   11   14   10   17   18    4   13   14    9   20    5 |    28   37   30   44   27   34   32   42   36   35    33
   3E |   12   12   12    9   25    4   12   10    7   10    4 |    34   39   40   33   33   34   32   36   31   38    34
  X4  |    1  ---  ---  ---  ---   22   23  ---  ---  ---    0 |    45  ---  ---  ---  ---   43   40  ---  ---  ---    45
   5E |   19   17    5   11   15    3   12   10    6    9    4 |    59   62   59   59   65   58   60   63   59   64    60
   6  |    8   18    6    9   15    4    9   10    7   13    3 |    29   36   29   33   26   31   33   33   31   37    30
   7  |   10   19   11   10   12    4   14   13    8   15    4 |    24   31   24   23   19   22   27   22   24   31    23
   8  |    7   13    7    8   10    4    9    9    6    9    3 |    38   40   39   38   35   36   40   39   39   40    38
   9  |    9   11    8    6   10    4   11   10    7   11    3 |    33   39   36   34   35   34   38   34   33   38    34
  10E |   12   17   11    9   27    4   11   10    7   12    5 |    83   86   86   83   86   83   42   84   81   84    83
  11  |    8   12   13   10   11    2   11    9    8   12    4 |    39   45   39   45   38   41   46   45   39   45    40
  12E |   10   26    8   10   14    3   20   14    8   12    4 |    56   57   57   62   55   59   61   57   58   59    57
 X13  |    1  ---  ---  ---  ---   18  ---  ---  ---  ---    0 |  9999  ---  ---  ---  --- 9999  ---  ---  ---  ---  9999
  14  |    6   14   12   12   18    4   15   15   10   18    5 |    21   25   23   26   25   23   25   27   27   27    22
  15  |   14   15   11   13   12    4   13   11    8   15    4 |    39   43   39   31   38   35   44   37   36   37    35
  16E |   11   31    9   13   17    5   21   13    9   17    5 |    35   43   39   42   37   37   36   40   40   41    38
  17  |   14   17    9   15   17    4   11   12    9   15    5 |    45   46   45   49   43   46   48   47   49   47    46
  18E |   18   20    7   10   19    4   14   12    9    9    4 |    26   32   32   35   30   31   33   35   32   31    30
  19  |   16   21   10   18   17    5   16   15   10   21    5 |    49   51   50   51   48   48   50   45   48   48    48
  20E |   17   10    5    9    9    4   11    9    7   11    3 |    32   35   34   35   32   32   35   38   33   35    33
  21  |    8   17   11    9   16    5   20   16    9   15    4 |    28   33   26   33   25   30   38   38   30   31    28
  22E |   11   13    8    9   20    3   14   13    8    9    4 |    34   42   38   40   31   37   37   42   42   40    38
  23  |   10   28   10   13   15    4   22   21   11   16    5 |    20   30   18   22   16   19   24   24   21   17    18
  24  |    8   12   12   10    9    3    8   10    4   13    3 |    26   31   26   28   23   26   31   28   29   34    26
  25E |    8   14    8    6   15    5   12    7   10   11    3 |    28   34   34   33   31   30   33   31   32   30    30
  26E |   11   16    8    8   25    4   10   13    8   18    5 |    60   64   62   62   64   60   61   59   61   57    60
  27  |    7   14    5    8   13    4    9    9    9   10    3 |    37   41   40   40   38   37   38   41   38   41    38
  28E |    7   15    6   10   20    5   10   10    8   11    4 |    31   38   30   36   34   33   34   32   35   34    32
  29  |   10   22   12   14   19    6   19   44   10   16    7 |    35   36   33   35   36   32   32   39   33   32    30
  30  |    8   14    8    8    8    4    8   10    6   12    3 |    32   40   33   32   28   31   36   31   35   35    32
  31  |    6   15   12   11   14    3   12   13   11   18    4 |    22   27   18   22   21   20   28   23   22   25    20
  32  |    5   10    8    7   10    3   10    8    7   12    3 |    38   40   40   38   38   38   41   38   36   43    38
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   17    9   11   16    4   13   14    8   14      |T   36   41   37   39   36   37   38   39   38   39    37
 WRMS |    9   17   10   10   15    4   14   12    8   13      |NE  32   37   32   34   30   32   36   35   33   36    32
 MEDI |    9   15    9   10   15    4   12   11    8   12      |MD  34   39   34   35   33   34   36   38   35   37    34

Table 3.1965.5   GPS week: 1965   Day: 5   MJD: 58004.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    6   14    8   10   12    3    9    7   12   16    4 |    33   39   34   35   27   32   34   32   34   44    33
   2  |   12   15   10   18   14    6   11   15   11   21    5 |    34   39   32   45   32   39   38   43   42   39    37
   3E |    7   14    9    7   20    5   12    7    7    7    3 |    35   34   35   35   35   32   33   33   35   34    33
  X4  |    1  ---  ---  ---  ---   31   20  ---  ---  ---    0 |    41  ---  ---  ---  ---   41   34  ---  ---  ---    40
   5E |   14   14    7   12   12    4   15    8    9    9    4 |    59   63   59   59   65   59   59   62   59   62    60
   6  |   11   15    8   14   12    4   10   11    6   10    4 |    34   38   31   34   28   30   36   36   31   36    32
   7  |   10   17   12   10    7    5   12   11   11   14    4 |    23   25   22   21   16   20   25   22   22   24    20
   8  |    8   13    6   10   10    2    7    8   11   11    3 |    28   30   26   24   25   24   28   25   27   29    25
   9  |    8   11    9    7   10    4    9    7    9   10    3 |    27   32   28   26   24   26   33   26   28   34    27
  10E |   10   16   12    7   21    4   12    9   10    9    4 |   152  150  149  149  148  150   42  150  149  150   149
  11  |   10   15   14    9   11    3   10    8   10   12    4 |    29   38   29   30   27   29   34   29   31   32    29
  12E |   12   27    6    9   14    4   20   14    9   14    5 |    73   74   67   67   66   68   71   67   68   67    68
  13  |   12   15   11   12    8    4   18   14    8   15    4 |  9999 9999 9999 9999 9999 9999 9999 9999 9999 9999  9999
  14  |    9   16   13   15   13    3    9   12   12   16    5 |    18   23   19   26   19   21   23   24   23   27    20
  15  |   12   17    9   12   12    3   13   11   10   17    4 |    34   39   31   28   29   28   38   30   29   32    30
  16E |    8   30    7   14   15    5   16   12   10   13    5 |    45   46   44   45   46   42   45   44   44   46    44
  17  |   12   18   12   12   10    4   10   10    9   15    4 |    44   43   41   43   42   42   46   44   43   42    42
  18E |   16   19    7    9   20    5   12   11    7   10    4 |    20   25   27   27   25   25   24   27   27   28    24
  19  |   13   20   11   14   12    5   15   16   10   20    5 |    65   66   62   62   66   64   68   66   64   63    63
  20E |   15   10    6    8   15    4    8   10    9    8    4 |    31   31   31   30   32   30   31   31   33   32    30
  21  |   12   12   10   10   11    5   12   17    9   16    4 |    23   30   23   28   22   24   27   29   25   26    24
  22E |   11   15    9   10   25    5   14   12   13   10    5 |    36   42   38   43   36   39   35   42   40   41    38
  23  |   11   27   10   15   11    6   19   16   11   14    5 |    20   27   20   25   22   22   23   24   23   23    21
  24  |    7   12   12    7    9    4    9   13    8   16    4 |    24   28   25   25   19   24   29   30   26   36    25
  25E |   10   15    7    7   17    4   13    7   10   14    4 |    27   35   32   29   36   29   33   27   30   33    30
  26E |   12   16    8   10   22    4   11   16   10   14    5 |    40   40   45   41   47   41   41   51   40   49    43
  27  |   10   13    6    8    8    3    8    8    8    8    3 |    31   34   30   28   27   26   29   28   30   30    29
  28E |   11   17    7   11   22    3    8   10    9   10    4 |    37   36   37   41   38   39   39   41   42   42    38
  29  |   12   24   10   16   18    8   14   41   15   21    7 |    36   41   34   38   34   34   36   43   35   34    33
  30  |    9   13   11   10    6    3    8    5    7   13    3 |    24   29   24   21   18   21   27   21   23   28    22
  31  |    9   17   11   10    7    3   12   11    9   19    4 |    25   28   20   23   16   22   28   25   22   29    22
  32  |    7   15   10    7    7    4   10    9   12    9    3 |    41   45   43   41   37   40   40   40   39   44    41
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   17   10   11   14    4   12   13   10   14      |T   38   41   37   38   36   37   36   39   38   41    37
 WRMS |   10   17   10   11   11    4   12    9    9   13      |NE  31   35   30   31   27   30   33   32   31   34    30
 MEDI |   10   15    9   10   12    4   12   11   10   14      |MD  34   36   31   30   29   30   34   31   31   34    32

Table 3.1965.6   GPS week: 1965   Day: 6   MJD: 58005.000                            

        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
------+--------------------------------------------------------+---------------------------------------------------------
   1  |    8   11   10    8   12    4    8    7    9   14    3 |    45   47   44   48   40   43   47   46   44   58    46
   2  |   13   11   10   12   18    6   12   13   10   18    5 |    38   44   39   54   35   47   45   53   50   44    44
   3E |   10   16   10    7   27    5   11    9    7    7    4 |    42   48   48   43   42   43   40   45   41   48    43
  X4  |    1  ---  ---  ---  ---   27   25  ---  ---  ---    0 |    54  ---  ---  ---  ---   56   50  ---  ---  ---    54
   5E |   18   16    6   11   17    5   14    9   10    9    4 |   125  129  125  124  127  125  128  127  125  127   125
   6  |    8   15    7    8   12    4    9   11    7   11    3 |    33   40   33   36   31   35   40   40   35   41    35
   7  |   10   14   12   10    9    4   11   12    9    9    4 |    34   40   31   35   31   34   36   37   34   37    34
   8  |    6   16    6   10   10    2    8   12    5    8    3 |    49   54   51   48   48   48   51   51   48   55    49
   9  |    7   11   10    8   10    4   11   10    7    8    3 |    42   47   45   40   43   40   46   42   40   51    43
  10E |    9   14   12    7   26    4   10   10    8    9    4 |   197  197  197  197  196  196   46  198  197  200   197
  11  |    9   11   15   10   14    4   11   10    8   13    4 |    63   64   57   66   58   61   66   65   60   68    62
  12E |   13   25    5   11   11    4   18   12    9   10    4 |    67   70   66   70   62   67   66   67   66   64    66
  13  |   10   14   13   11   10    5   12   12   10   13    4 |  9999 9999 9999 9999 9999 9999 9999 9999 9999 9999  9999
  14  |    9   12   12   12   15    4   14   13    9   15    4 |    27   30   26   28   26   24   25   28   25   28    25
  15  |   12   14   10   11   13    5   11   15   11   14    4 |    56   60   56   51   59   53   60   57   58   58    55
  16E |   11   31    7   12   15    3   19   13   10    9    5 |    41   44   44   45   39   43   44   46   44   46    43
  17  |   11   15    9   10   14    4    8   12    9   13    4 |    47   52   46   48   47   47   50   51   49   49    47
  18E |   20   19    6   10   22    4   15   12   11   12    5 |    33   43   44   44   38   43   42   45   46   48    42
  19  |   13   20    9   11   17    5   12   14   11   17    5 |    58   62   57   55   60   55   59   56   54   55    56
  20E |   19   14    6    9   19    4    8   13   12   11    5 |    78   79   76   72   75   75   78   76   75   77    75
  21  |   10   12   12   10   14    4   10   15    9   15    4 |    40   45   39   48   37   42   45   47   44   47    42
  22E |    9   14   10    9   17    4   14   12    8    8    4 |    64   64   65   69   62   66   63   67   67   71    66
  23  |   12   30    9   13   14    5   20   16   10   14    5 |    32   43   30   29   32   28   32   28   25   32    28
  24  |    9   14   12    7    9    3    9   15    7   10    4 |    45   48   47   47   41   45   49   52   45   54    47
  25E |    8   13    8    6   21    4   11    8    7    8    3 |    40   44   46   41   48   40   45   38   39   41    41
  26E |   11   15    8    8   28    4   15   17    9    9    5 |    57   57   59   59   68   56   57   59   54   59    57
  27  |    9   14    6    8   12    3   10    8    7    6    3 |    50   54   52   49   49   49   50   50   49   53    50
  28E |    8   16    8    8   15    3    9    9   10    7    3 |    40   41   40   39   41   39   39   40   40   42    39
  29  |   13   22   10   15   22    8   14   41   12   17    7 |    47   50   45   44   48   42   46   44   40   39    41
  30  |    7   11   10    8    6    3    7    6    5    9    3 |    41   46   37   40   37   39   45   42   40   45    40
  31  |    7   16   12   10   10    4   12   11   10   13    4 |    32   34   30   24   25   25   33   25   24   31    26
  32  |    9   12    9    6   10    3   13    9    8   10    3 |    51   55   59   55   52   55   55   52   54   61    54
------+--------------------------------------------------------+---------------------------------------------------------
 RMS  |   11   17   10   10   16    4   12   14    9   12      |T   53   57   54   54   53   53   50   55   53   57    53
 WRMS |   10   17   10   10   14    4   12   11    8   12      |NE  44   48   43   44   42   43   46   45   43   47    43
 MEDI |    9   14   10   10   14    4   11   12    9   10      |MD  45   48   46   48   43   45   46   47   45   49    46



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 4.1965   GPS week: 1965   MJD: 57999.0-58005.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3056 |U    7     9    19 |U    6     7    24 |U    9     9    19 |
emr | emr 2961 |U    9     9    22 |U    7     9    26 |U    9     7    21 |
esa | esa 2962 |     7     8    18 |U    6     8    25 |    10     8    21 |
gfz | gfz 2962 |U    7     8    18 |U    7     9    26 |U   10     8    20 |
grg | grg 2962 |U    8     8    19 |U    7     8    28 |    11    11    25 |
igr | igr 2958 |     7     8    17 |     6     8    23 |     9     8    19 |
igs | igs 2962 |     7     8    18 |     6     8    24 |     9     8    20 |
jpl | jpl 3017 |    10    10    20 |U    6     8    21 |    11    10    24 |
mit | mit 2962 |     7     8    18 |U    7    10    28 |U   12    10    24 |



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 5.1965.0   GPS week: 1965   Day: 0   MJD: 57999.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |     8    12    16 |     8     9    47 |     9     9    16 |
emr | emr 2976 |     9    10    18 |    11    11    53 |     8     4    22 |
esa | esa 2976 |     8     9    16 |     9    10    51 |    10     8    18 |
gfz | gfz 2976 |     6     8    14 |     8    12    48 |     9     8    16 |
grg | grg 2976 |    10    11    17 |     9     9    53 |    10    12    21 |
igr | igr 2948 |     7     9    14 |     9    10    47 |     9     9    18 |
igs | igs 2975 |     7     9    15 |     9    10    51 |     9     8    17 |
jpl | jpl 2976 |    11    13    20 |     5     7    24 |    11    13    24 |
mit | mit 2976 |     6     8    13 |    10    13    47 |    10     8    20 |

Table 5.1965.1   GPS week: 1965   Day: 1   MJD: 58000.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3070 |     7    11    22 |     5     7    21 |    10    14    14 |
emr | emr 2976 |     8    10    18 |     7     6    29 |     9     8    19 |
esa | esa 2976 |     6     8    18 |     5     6    19 |    10    12    16 |
gfz | gfz 2976 |     6     8    18 |     5     8    23 |    10    12    13 |
grg | grg 2976 |     7     9    22 |     6     8    22 |    12    18    18 |
igr | igr 2976 |     6     8    17 |     5     7    21 |    10    11    13 |
igs | igs 2976 |     6     8    17 |     5     6    19 |    10    11    15 |
jpl | jpl 2880 |     8     9    16 |     5     8    21 |    11    13    20 |
mit | mit 2976 |    10    11    23 |     7     7    24 |    11    14    20 |

Table 5.1965.2   GPS week: 1965   Day: 2   MJD: 58001.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3071 |     7     8    21 |     9     8    28 |     7     6    16 |
emr | emr 2976 |    10     8    24 |     7     9    28 |     8     6    16 |
esa | esa 2976 |     6     7    20 |     9     8    31 |     7     4    17 |
gfz | gfz 2976 |     6     7    21 |     9     9    33 |     8     5    16 |
grg | grg 2975 |     8     9    24 |     9     8    33 |    10     6    23 |
igr | igr 2976 |     7     7    22 |     8     9    28 |     8     5    15 |
igs | igs 2976 |     7     7    21 |     8     9    31 |     8     4    17 |
jpl | jpl 3072 |     8     8    21 |     9    11    28 |     8     5    18 |
mit | mit 2976 |     7     7    20 |     8    11    34 |     9     4    16 |

Table 5.1965.3   GPS week: 1965   Day: 3   MJD: 58002.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3070 |     8     7    24 |     3     5    14 |     9     8    17 |
emr | emr 2976 |    10     5    28 |     5     6    17 |    11     6    19 |
esa | esa 2976 |     8     4    22 |     4     5    14 |     9     7    19 |
gfz | gfz 2976 |     8     6    23 |     4     6    16 |    10     7    19 |
grg | grg 2976 |     9     7    24 |     5     6    19 |    11    11    22 |
igr | igr 2976 |     8     5    22 |     4     5    15 |     9     6    18 |
igs | igs 2976 |     8     6    23 |     4     5    15 |     9     7    18 |
jpl | jpl 3072 |    11     6    25 |     4     6    16 |    11     9    22 |
mit | mit 2976 |     7     3    20 |     5     8    18 |    22    11    29 |

Table 5.1965.4   GPS week: 1965   Day: 4   MJD: 58003.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 2973 |     7    10    17 |     6     8    18 |     9     6    18 |
emr | emr 2877 |    11    12    26 |     8    10    22 |     7     5    21 |
esa | esa 2880 |     8    10    17 |     6     9    19 |    10     7    21 |
gfz | gfz 2880 |     7    10    18 |     6     9    20 |    10     6    23 |
grg | grg 2879 |     8    11    17 |     8     8    21 |    12     8    25 |
igr | igr 2880 |     7    10    17 |     6     9    18 |    10     6    22 |
igs | igs 2880 |     7    10    17 |     6     9    18 |    10     6    21 |
jpl | jpl 2976 |    10    12    20 |     7    10    20 |    10     6    27 |
mit | mit 2880 |     8     9    15 |     8    12    24 |    12    12    31 |

Table 5.1965.5   GPS week: 1965   Day: 5   MJD: 58004.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3072 |     6     6    14 |     4     8    22 |    12    11    31 |
emr | emr 2976 |     9     8    19 |     7     8    21 |    10    11    31 |
esa | esa 2976 |     6     5    14 |     4     8    22 |    12    12    33 |
gfz | gfz 2976 |     8     9    16 |     5     9    21 |    12    11    33 |
grg | grg 2976 |     5     5    15 |     5     9    29 |    12    12    36 |
igr | igr 2976 |     6     5    13 |     4     8    20 |    11    11    30 |
igs | igs 2976 |     5     5    14 |     4     7    21 |    11    11    31 |
jpl | jpl 3072 |  ----  ----  ---- |     4     8    24 |    12    14    35 |
mit | mit 2976 |     6     5    15 |     5    10    28 |    12    14    29 |

Table 5.1965.6   GPS week: 1965   Day: 6   MJD: 58005.0

CENT| CLK EPO  |        BRUX       |        TOW2       |        WILL       |
----+----------+-------------------+-------------------+-------------------+
cod | cod 3070 |     8     9    17 |     7     8    17 |     9    10    19 |
emr | emr 2976 |     8     8    20 |     6    10    13 |     9     9    17 |
esa | esa 2976 |     8     9    17 |     7     8    18 |    10     9    20 |
gfz | gfz 2976 |    11     8    15 |     8     9    18 |    10    10    22 |
grg | grg 2976 |    10     8    17 |     8    10    20 |    12    13    27 |
igr | igr 2976 |     8     9    17 |     7     8    15 |     9     9    19 |
igs | igs 2976 |     8     9    17 |     7     8    16 |    10     9    20 |
jpl | jpl 3072 |     9     9    19 |     6     7    16 |    11    11    24 |
mit | mit 2976 |     8     9    17 |     7     9    19 |    10     8    24 |


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 6.1965   GPS week: 1965   MJD: 57999.500-58005.500

                                                         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 |      18      -8     -24     100      0 |      24     31
            |      21      13      41      50      4 |       4
emr   uuuux |      21     -34     219     147     18 |      47     58
            |      32      16     152      30     40 |       7
esa   uuuuu |     -17      -4      42      61      7 |      29     37
            |       8      13      53      45      5 |       4
gfz   uuuuu |     -15     -27      68    -121     -1 |      35     42
            |      27      17      66     120      5 |       4
grg   uuuuu |      -2       0      11     -12     -5 |       4     21
            |      26      21      48      91      2 |       5
igr   xxxxx |      -1      16       3     -19      4 |      -2     24
            |       8       9      30      60      6 |       4
irf   xxxxx |      14      19     -57     -10      4 |      -3     23
            |      12       9      21      25      5 |       5
jpl   xxxxx |      34      -4      29      40      7 |      27     35
            |      16      24      77      47     16 |       3
mit   uuuuu |       1      41    -132     -70      1 |      27     35
            |      18      25      54      59      2 |       5
ngs   uuuuu |       0     -11      -7     -47      5 |      19     31
            |      38      20      75     134      7 |       3
sio   uuuux |      15      50    -147      14    -10 |      97     99
            |      13      25      49      36      9 |       8


Table 7.1965.0   GPS week: 1965   Day: 0   MJD: 57999.500

                                                         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 |      59     -20       1     172     -1 |      33     44
emr   uuuux |      61     -47     402     169    -53 |      50     59
esa   uuuuu |     -14     -29     144     145      0 |      36     49
gfz   uuuuu |     -47      -8      30    -259     -4 |      44     54
grg   uuuuu |       4     -25     -34    -130     -4 |      14     31
igr   xxxxx |       7      25     -10     -14      1 |       6     33
irf   xxxxx |      15      26     -96     -38     -7 |       7     35
jpl   xxxxx |      47      -8      83       5      4 |      33     44
mit   uuuuu |     -25      79    -185    -175      2 |      38     50
ngs   uuuuu |      -6     -14     -68      59      9 |      26     43
sio   uuuux |      17      78    -229      33    -16 |     111    114

Table 7.1965.1   GPS week: 1965   Day: 1   MJD: 58000.500

                                                         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 |       3       2     -58      55     -3 |      26     35
emr   uuuux |      -9     -34     285     110     38 |      39     51
esa   uuuuu |     -19      -3       9      58      8 |      29     40
gfz   uuuuu |      27     -22     -55     -33     -4 |      37     46
grg   uuuuu |      -2       1     -13      25     -8 |       7     25
igr   xxxxx |       0      26     -31     -81      9 |      -2     27
irf   xxxxx |      32      27     -32      -1      2 |      -2     27
jpl   xxxxx |      18      -2     174     -46     21 |      28     39
mit   uuuuu |      -9      23     -41     -52      1 |      30     39
ngs   uuuuu |      -4       3      20    -104     12 |      19     33
sio   uuuux |      15      28     -75      26     -7 |     103    105

Table 7.1965.2   GPS week: 1965   Day: 2   MJD: 58001.500

                                                         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 |      28      -2     -71      70     -3 |      21     29
emr   uuuux |      53     -40     231     127     36 |      38     51
esa   uuuuu |      -7      -6      23      79      2 |      25     34
gfz   uuuuu |      10     -11      97      -6     -3 |      32     40
grg   uuuuu |     -40      18     -31     -74     -5 |       2     20
igr   xxxxx |       3      18      48     -48     -3 |      -5     24
irf   xxxxx |      23      13     -53      27      7 |      -7     23
jpl   xxxxx |      20     -31     -16      39    -15 |      25     34
mit   uuuuu |      30       7    -145       5     -1 |      25     33
ngs   uuuuu |     -65       5      52    -172     14 |      15     28
sio   uuuux |      30      25    -135      42     -8 |      98    100

Table 7.1965.3   GPS week: 1965   Day: 3   MJD: 58002.500

                                                         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 |       5       6     -68     172      9 |      21     29
emr   uuuux |      45     -49     262     137     42 |      44     57
esa   uuuuu |     -10       8      15      73      3 |      24     33
gfz   uuuuu |      -4     -59     125      -5     -7 |      31     39
grg   uuuuu |     -27      22      70     -76     -6 |       1     20
igr   xxxxx |     -15      11      35     -82      7 |      -6     24
irf   xxxxx |       2      22     -64      15      6 |      -7     23
jpl   xxxxx |      19       5     -45      72      2 |      23     32
mit   uuuuu |       8      38    -150     -25     -1 |      24     32
ngs   uuuuu |     -22     -12       3    -234      5 |      16     29
sio   uuuux |      34      62    -185      61    -12 |      96     98

Table 7.1965.4   GPS week: 1965   Day: 4   MJD: 58003.500

                                                         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 |      21       4      27      69     -2 |      24     29
emr   uuuux |     -22     -31     -35     123    -21 |      53     61
esa   uuuuu |     -20      12       6       7     12 |      28     33
gfz   uuuuu |     -41     -29     127     -76      6 |      34     39
grg   uuuuu |      29     -15      81     125     -7 |       3     18
igr   xxxxx |      -6      19      16     -29      6 |      -2     20
irf   xxxxx |      -2      10     -64     -19      9 |      -4     19
jpl   xxxxx |      29      15       2      85     19 |      26     32
mit   uuuuu |       7      32    -189     -57      6 |      26     32
ngs   uuuuu |      18      -6      23     -67      3 |      20     28
sio   uuuux |       6      31    -126     -19      6 |      94     96

Table 7.1965.5   GPS week: 1965   Day: 5   MJD: 58004.500

                                                         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 |      -3     -26      -7      79      0 |      23     28
emr   uuuux |       3     -35     323     165     29 |      51     59
esa   uuuuu |     -23      -4      84      25      8 |      28     33
gfz   uuuuu |     -30     -29     105    -182     -1 |      33     39
grg   uuuuu |      -9      21      26     -31     -3 |       1     18
igr   xxxxx |       5       5     -18      33     -5 |      -3     20
irf   xxxxx |      12      27     -52     -21      7 |      -5     19
jpl   xxxxx |      60      31      28      54    -11 |      27     32
mit   uuuuu |       4      68    -128     -72      0 |      25     30
ngs   uuuuu |      55     -53    -147      67      1 |      19     27
sio   uuuux |       0      85    -151     -16    -21 |      91     93

Table 7.1965.6   GPS week: 1965   Day: 6   MJD: 58005.500

                                                         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     -19      10      83      1 |      22     26
emr   uuuux |      18       0      68     195     57 |      54     65
esa   uuuuu |     -29      -4      11      40     12 |      29     35
gfz   uuuuu |     -20     -30      44    -285      6 |      32     36
grg   uuuuu |      28     -19     -19      76     -2 |       0     16
igr   xxxxx |      -4       5     -22      84     10 |      -5     18
irf   xxxxx |      14       5     -40     -32      7 |      -5     18
jpl   xxxxx |      43     -37     -25      73     25 |      25     30
mit   uuuuu |      -9      43     -83    -112      1 |      24     29
ngs   uuuuu |      24       2      68     123     -7 |      19     28
sio   uuuux |       4      39    -130     -32    -11 |      88     89



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