[IGSREPORT-1079] Wk 0754 IGS Rapid Orbits

AC AC
Sat Jul 9 16:21:53 PDT 1994


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IGS Electronic Report    Sat Jul  9 16:21:53 PDT 1994      Message Number 1079
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Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0754 IGS Rapid Orbits

Rapid Service IGS Orbit Combination - Week 0754   (Jun 19, 1994 - Jun 25, 1994)

Contacts: F. Lahaye (lahaye at geod.emr.ca), J. Kouba (kouba at geod.emr.ca)


COMBINATION STRATEGY:

For a complete description of combination strategy, please refer to the report
posted on CDDIS (IGS07547.SUM).


SOFTWARE:

  The weighted average software used was developed by T. Springer and
G. Beutler during 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, Kouba, Springer, 1993, Combining orbits of the IGS processing
   centres, in IGS Analysis Centre Workshop, October 12-14, Ottawa, pp 19-55.


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. 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 Rapid Service Orbit files generated and uploaded into CDDIS @ NASA/GSFC
are:

 IGS07540-6.SP3  IGS GPS ephemeris files for days 0-6, week 0754 in SP3 format.
 IGS07547.ERP    Earth rotation parameters (ERP) associated with ephemerides.
 IGS07547.SUM    Complete report.


REMARKS on IGS Rapid Service Orbit Combination:

1. Starting with week 0730, the above satellite clock corrections combination
   was put in place. The centres used in the combination are EMR, ESA, GFZ and
   JPL. The other centres are excluded because they either provide broadcast
   clocks (COD) or clock corrections are not provided (NGS & SIO). The clock
   information not used is still compared to combination for completeness.
   The value of 999999.999999 microseconds, according to the sp3 format 
   convention, is used to signify that no clock solution is available and
   therefore must not be used.

2. Only the GFZ "exact" clock corrections (one epoch out of two) are included
   in the combination and RMS computation (no "interpolation" values).

3. Starting with the GPS week 750 a new clock combination scheme was put in
   place. Now the clock solution alignments to the GPS time use only non-SA
   broadcast clock corrections (currently PRN 12, 15, 20) and the centre clock
   weights are determined from the fit RMS of this alignment. In this
   way the quality of the clock alignments (to the GPS time) are not affected
   by SA and more realistic and objective weights are determined and used in
   the clock combination, provided the non-SA satellites are representative of
   each centre clock solution quality.

4. PRN12 on days 0-2 (Jun 19-21) was excluded from the clock weights 
   determination since the broadcast clock corrections did not reflect what 
   was observed by the Analysis Centres (also note PRN12 was set unhealthy
   for the whole week).   

5. The high clock RMS on days 4 and 6 (jun23,25) for EMR, GFZ and JPL are due
   to clock resets at ALGO which was used as a time reference, rather than bad 
   clock solutions. An unexplained reference clock shift on day 0 (June 19) is
   responsible for the high clock RMS for JPL on this day. 
   In summary, the following clock shifts/reset were noticed:

         Day (Date)  |   Centres     |  Shifts
        -------------+---------------+--------------------------------
         0 (Jun 19)  |  JPL          | ~3.5 usec.   (unexplained)
         4 (Jun 23)  |  EMR,JPL      | ~2.8 usec.   (ALGO clock reset)
         6 (Jun 25)  |  EMR,GFZ,JPL  | ~0.5 usec.   (ALGO clock reset)
 

6. UT values from Bulletin A were used in the long arc evaluation for JPL due 
   to discontinuities found in its UT series (day 1/Jun 20 and day 6/Jun 25).


ORBIT COMBINATION AND EVALUATION STATISTICS:

For a complete description of tables and statistics, please refer to the report
posted on CDDIS (IGS07547.SUM).


Table 1: Week 0754 summary.                       (Jun 19, 1994 - Jun 25, 1994)

Table 1.0754.a   GPS week: 0754   MJD: 49522.0-49528.0

         Mean and standard deviations of transformation parameters.
         WRMS - orbit RMS weighted by the SP3 header accuracy codes.
         Units: meters, mas, ppb, nano-sec, nano-sec/day.

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .01  .01  .01  -.01  -.36  -.33   .0   .11   .11 |   -1.7    2.7   78.0
    |  .01  .01  .01   .46   .25   .34   .1             |    5.8    9.5
emr |  .02  .00 -.02  -.30  -.18   .16  -.2   .12   .12 |-1915.5   28.9  203.7
    |  .00  .01  .01   .27   .29   .19   .2             | 1340.7  116.3
esa |  .01  .00  .00  -.22  -.02   .25   .0   .19   .19 |    7.6    3.8    1.8
    |  .01  .01  .01   .34   .35   .60   .2             |    8.8   13.7
gfz | -.04  .01 -.01 -1.31  -.77  -.39  -.2   .12   .12 |-1888.3  -11.0   89.9
    |  .00  .01  .01   .25   .20   .18   .2             | 1318.9   36.9
jpl | -.01  .01  .01   .01  -.49  -.19   .0   .23   .23 |-1784.2  617.5  374.9
    |  .01  .02  .01   .70   .69   .28   .2             | 1309.8 1548.4
ngs |  .02 -.04 -.01  -.57  -.78  -.46   .5   .32   .32 |    -.8   -7.2 2492.2
    |  .01  .03  .02   .76   .75   .30   .2             |    6.6   28.7
sio | -.01 -.03  .05  -.22   .63  1.75   .8   .28   .27 |     .0     .0     .0
    |  .01  .01  .03   .46   .50   .20  1.5             |     .0     .0

Table 1.0754.b   GPS week : 0754   MJD: 49522.0-49528.0

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

              Day of GPS week
 PRN  |   0   1   2   3   4   5   6 |  Remarks
------|-----------------------------|------------------------------------------
   1  |   6   6   5   6   5   7   7 |
   2  |   8   5   7   6   5   5   6 |
   4E |  10   9  11  10   9   8  10 |
   5  |   6   6   6   6   5   6   7 |
   6  |   5   5   4   5   4   6   4 |
   7  |   8   6   7   5   7   9   6 |
   9  |   5   5   5   7   5   7   6 |
  12E |   6   5   7   7   6   9   9 | Set unhealthy for the whole week.
  14  |   6   6   6   5   5   6   7 |
  15E |   8   7   9   8  10  10  10 |
  16  |   7   6   7   5   5   7   5 |
  17E |   5   6   6   7   6   9  10 |
  18  |   5   5   5   6   5   5   4 |
  19  |   4   5   5   5   4   4   9 |
  20  |   5   5   4   5   5   5   6 |
  21  |   7   6   5   5   5   7   6 |
  22  |   5   6   6   5   6   6   5 |
  23  |   5   6   5   7   5   5   6 |
  24E |   8  10  10   9   8   7   9 |
  25  |   6   5   6   6   7   7   7 |
  26  |   5  10   7   6   5   6   6 |
  27  |   5   5   5   6   4   6   7 |
  28  |   3   4   5   3   4   5   4 |
  29  |   5   5   4   5   4   5   6 |
  31  |   5   4   4   4   4   5   5 |

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
         sum of a priori and estimated transformations.
         WRMS - RMS weighted by the centres SP3 header accuracy codes.
         Units: meters, mas, ppb, nano-sec, nano-sec/day.

Table 2.0754.0   GPS week: 0754   Day: 0   MJD: 49522.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .03  .02  .00   .24   .00  -.53   .2   .11   .10 |     .1    5.6   79.0
emr |  .01 -.01 -.03  -.01   .04  -.03  -.3   .12   .12 |-2600.7  -30.6    2.4
esa |  .01  .00 -.01  -.41   .60   .53   .3   .24   .22 |    5.3   11.6    3.0
gfz | -.03  .02 -.02  -.89  -.52  -.31   .0   .13   .12 |-2594.8  -24.5   10.2
jpl | -.02 -.02  .01  1.31   .39  -.28   .3   .18   .18 |-1720.7 4119.7  832.0
ngs |  .02 -.07  .03  -.85   .52  -.52   .4   .31   .30 |    9.3  -67.7 6591.0
sio | -.02 -.03  .03   .37  1.38  1.93  -.2   .19   .16 |     .0     .0     .0

Table 2.0754.1   GPS week: 0754   Day: 1   MJD: 49523.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .01  .02  .01   .69  -.32  -.69   .0   .11   .11 |    8.4  -12.1   77.5
emr |  .02 -.01 -.01   .04  -.27   .39  -.5   .13   .13 |-2630.3  -47.9    1.4
esa |  .02  .00  .01  -.16  -.03   .90  -.2   .18   .24 |   -2.4  -23.6    1.8
gfz | -.04  .02  .01 -1.09  -.83  -.11  -.4   .11   .10 |-2622.1  -48.7   10.7
jpl | -.01  .00  .01   .43  -.25  -.22   .1   .17   .17 |-2625.7  -47.2    1.5
ngs |  .02 -.04 -.01  -.29 -1.05  -.76   .4   .23   .24 |    4.7  -11.8   76.3
sio |  .01 -.04  .01   .37   .47  2.10  3.1   .41   .40 |     .0     .0     .0

Table 2.0754.2   GPS week: 0754   Day: 2   MJD: 49524.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .01  .01  .00   .42  -.61  -.65   .1   .12   .11 |   -7.2   16.0   76.9
emr |  .02 -.02 -.02  -.18  -.38   .33  -.4   .11   .11 |-2674.4  -19.1    1.6
esa |  .00  .00 -.02   .37  -.35   .90  -.4   .18   .17 |   24.0   14.7    1.5
gfz | -.04  .00  .00 -1.47  -.96  -.24  -.2   .12   .11 |-2670.5  -11.8   10.2
jpl | -.03  .01  .02   .19  -.19   .10   .1   .20   .20 |-2668.8  -20.6    1.5
ngs |  .05 -.03  .00  -.89  -.61  -.40   .3   .25   .24 |   -7.1   20.0   75.6
sio | -.02 -.03  .06  -.05   .04  1.67  2.9   .41   .36 |     .0     .0     .0

Table 2.0754.3   GPS week: 0754   Day: 3   MJD: 49525.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .02  .00  .00  -.20  -.53  -.38   .1   .10   .09 |    -.9    1.6   77.9
emr |  .02  .00 -.02  -.26  -.61  -.14   .0   .11   .11 |-2697.6  -23.4    1.4
esa |  .01  .01  .00  -.18  -.02   .31   .0   .20   .18 |   11.8    6.9    1.8
gfz | -.04  .00 -.01 -1.44 -1.07  -.37  -.3   .11   .11 |-2693.6  -16.5   11.0
jpl |  .00  .02 -.01  -.32 -1.04  -.24  -.2   .25   .25 |-2693.8  -23.8    1.7
ngs |  .02 -.08 -.05   .91  -.27   .16   .3   .40   .43 |     .8    3.2   76.3
sio |  .00 -.03  .09  -.35   .31  1.56   .0   .18   .19 |     .0     .0     .0

Table 2.0754.4   GPS week: 0754   Day: 4   MJD: 49526.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .01  .00  .01  -.37  -.51  -.30   .0   .10   .09 |     .4   -4.9   79.3
emr |  .01  .01 -.01  -.66  -.27   .14  -.2   .11   .11 |-2889.9  280.8  482.1
esa |  .01  .01 -.01  -.76  -.40   .18   .2   .17   .15 |   10.1     .1    1.3
gfz | -.03  .01  .01 -1.60  -.72  -.60   .0   .12   .11 |-2719.0  -28.9   13.6
jpl |  .01  .02  .02  -.70 -1.29   .07  -.1   .26   .24 |-2887.3  278.7  486.2
ngs |  .03 -.04 -.01 -1.21  -.85  -.55   .4   .32   .29 |     .7   -6.5   77.7
sio | -.01 -.04  .03  -.54   .61  1.61  -.3   .16   .16 |     .0     .0     .0

Table 2.0754.5   GPS week: 0754   Day: 5   MJD: 49527.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .02  .00  .00  -.30  -.50   .14  -.1   .12   .12 |   -9.6   11.4   76.2
emr |  .02  .00 -.04  -.43  -.02   .13   .1   .12   .12 |   78.6  -18.1    1.2
esa |  .01  .01 -.01  -.31   .21  -.64   .0   .19   .20 |    3.5   16.6    1.2
gfz | -.04  .01 -.01 -1.41  -.69  -.52  -.5   .14   .13 |   82.3  -14.5   10.8
jpl | -.01  .03  .01  -.52 -1.23  -.72  -.3   .29   .29 |   83.4  -18.8    1.1
ngs |  .01 -.04  .02 -1.30 -1.64  -.61   .9   .32   .30 |   -9.2   10.7   74.6
sio | -.01 -.01  .07  -.64   .34  1.61  -.2   .20   .20 |     .0     .0     .0

Table 2.0754.6   GPS week: 0754   Day: 6   MJD: 49528.0

CENT|   DX   DY   DZ    RX    RY    RZ  SCL   RMS  WRMS |   TOFT  TDRFT    RMS
----|---------------------------------------------------|---------------------
cod |  .01  .00  .02  -.53  -.04   .13   .1   .13   .14 |   -3.2     .9   79.4
emr |  .01  .00 -.03  -.60   .25   .28   .1   .12   .12 |    5.8   60.6  240.7
esa |  .00  .00  .00  -.09  -.20  -.41   .2   .16   .16 |     .6     .5    1.6
gfz | -.04  .01 -.01 -1.25  -.56  -.55  -.2   .14   .13 |    -.1   67.8  236.3
jpl | -.01 -.01  .00  -.32   .18  -.01   .4   .25   .25 |   23.3   34.5  235.4
ngs |  .02  .01 -.02  -.36 -1.53  -.54   .6   .40   .41 |   -4.6    2.0   77.7
sio |  .00 -.01  .08  -.69  1.25  1.78   .0   .28   .28 |     .0     .0     .0

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" flags eclipsing satellites.
         Units: cm.

Table 3.0754.0   GPS week: 0754   Day: 0   MJD: 49522.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  11   7  18  13 ---  31  14    6 |   14  12   9  19 ---  31  22   10
   2  |  13   9  30  24  22  26  19    8 |   13  13  20  23  21  23  26   12
   4E |   9  12  61  16  27  55  15   10 |   15  23  25  14  25  39  17   13
   5  |  10  15  20  12  13  40  20    6 |   17  16  21  18  13  41  20   15
   6  |   6   8  19   9  27  16  11    5 |   13  13  15  16  19  18  19   12
   7  |  15  14  15   7  34  27  34    8 |   14  16  13  12  19  30  20   10
   9  |  14  10  20  17  10  14  14    5 |   13  15  19  24  19  20  17   15
  12E | ---   9  18  13  10  20  21    6 |  ---  16  21  24  13  27  23   17
  14  |   6  16  24  10  13  16  28    6 |   10  20  15  20  12  15  24   11
  15E |  14  18  17  20  13  51  17    8 |   15  23  23  25  10  34  24   15
  16  |  13   7  25   5  17  54  10    7 |    9  13  16  16  10  43  19    9
  17E |   9   6  11  14  14  28  11    5 |    9  18  20  21  22  27  23   15
  18  |   8  19  14  12  13   9  18    5 |   11  19  15  16  17  13  22   11
  19  |   9   7  15   8   9  28  14    4 |    8  16  15  18  12  27  19   12
  20  |   8  13  14  11  12  33   9    5 |   15  15  17  16  19  25  17   13
  21  |  11   7  18  14 ---  38  24    7 |    7  13  10  18 ---  45  17   11
  22  |   5  11  27   8  13  21  11    5 |   14  18  17  13  15  27  25   13
  23  |   8   8  16   6   9  23  21    5 |   16  21  22  17  17  33  21   16
  24E |   8   9  45  18  36  27  12    8 |   23  30  35  28  32  43  31   23
  25  |   7  11  18  15  18  26  28    6 |   11  13  16  18  23  26  30   10
  26  |  16  11  11  10  10  22  15    5 |   10  10  15  18  11  31  13    7
  27  |  10  10  21   9  11  17  22    5 |   10  15  17  14  15  26  28   12
  28  |   5   6  17   8   7  18  10    3 |   10  11  12  19  15  22  20   11
  29  |   7  11  18   9  12  15  18    5 |   11  14  13  17  13   9  20   10
  31  |   7   9  20   7  16  35  13    5 |   10  11  16  20  24  28  17   12
------|----------------------------------|----------------------------------
 RMS  |  10  11  24  13  18  30  18      |   12  16  18  18  18  29  21   12
 WRMS |  10  11  21  12  18  29  16      |

Table 3.0754.1   GPS week: 0754   Day: 1   MJD: 49523.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |   9  10  24  10   9  13  45    6 |    9  12  15  15  11  23  39    6
   2  |  14   9  11   8   9  14  48    5 |   14  11  17  15  15  22  48   12
   4E |  13  14  25  12  40  29  46    9 |   18  20  34  18  31  45  34   14
   5  |   7  16  12   5  17  33  33    6 |   14  16  23  18  14  27  20   15
   6  |  13   6  19  14  10   9  40    5 |   11  11  18  20  19  15  34   11
   7  |  14  12  10  12  10  23  36    6 |   13  10  17  11  19  24  33   10
   9  |   9  15  17  10  11  17  26    5 |   20  13  19  21  24  17  29   16
  12E | ---   9   7   8  12  22  29    5 |  ---  16  21  24  12  29  23   18
  14  |   9  16  17   6   7  22  46    6 |   10  16  13  17  13  23  41   10
  15E |  19  12  13  14  16  30  49    7 |   18  20  18  25  16  26  47   12
  16  |  15  14  12   9  12  17  57    6 |   16  23  14  14  14  21  47   10
  17E |  13  11  21  11   9  19  30    6 |   11  17  19  20  13  32  24   13
  18  |   8  14  14   5  10  21  35    5 |    8  15  13  15  12  20  34    9
  19  |   6   9  13  11  16  17  36    5 |   13  14  15  15  13  30  43   13
  20  |  10   9  22   6  10  19  34    5 |   14  13  15  19  16  19  25   12
  21  |  11   7   9   9   7  23  54    6 |    8  14  14  16  12  21  40    9
  22  |   4  16  11  11  11  13  58    6 |   15  24  13  15  13  24  59   12
  23  |   8  10  33   5  13  16  42    6 |   13  18  31  15  13  15  29   13
  24E |  11  17  20  19  46  26  36   10 |   17  26  36  27  36  40  31   18
  25  |  13   7  21   9   6  21  28    5 |   16  12  21  17  14  24  35   12
  26  |   8  26  24  15  11  60  25   10 |    7  23   9  15   9  42  28    7
  27  |   6   6  13   8  12  13  47    5 |   13  14  18  13  14  25  49   12
  28  |  10   9  14   7   5  13  40    4 |    9   9  14  18  11  16  39    8
  29  |   7  14  14   7  12  16  37    5 |    7  13  12  15  12  18  38    9
  31  |   9   7  12   8   7  14  34    4 |    9  12  13  18  16  20  37   10
------|----------------------------------|----------------------------------
 RMS  |  11  13  17  10  16  23  41      |   13  16  19  17  16  25  37   12
 WRMS |  10  13  24  10  16  23  39      |

Table 3.0754.2   GPS week: 0754   Day: 2   MJD: 49524.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  11   6  11   9   9  16  50    5 |    9  13  19  23  15  21  40    8
   2  |  16  10  13  13   9  26  49    7 |   12  12  13  21  13  25  47   10
   4E |  11  10  30  14  53  41  40   11 |   20  25  24  23  39  38  29   15
   5  |   7  12  30  13  15  15  32    6 |   14  13  28  25  15  23  21   14
   6  |   5   6  10   9   9  19  32    4 |   10  10  15  21  13  24  33   11
   7  |   9  12  17  16  10  40  35    7 |   10  21  12  17  14  41  32   11
   9  |  13  11  11  13  14  18  28    5 |   21  14  17  28  22  27  26   16
  12E | ---   7  17  10 ---  21  35    7 |  ---  16  19  28 ---  33  24   18
  14  |  10  14  18  10  12  20  53    6 |    9  16  15  25  16  19  54   10
  15E |  20  10  18  15  22  45  61    9 |   14  20  20  27  24  37  62   12
  16  |  17  12  16   8  18  30  55    7 |   17  10  16  20  14  36  52    8
  17E |  18  10  10  11  11  27  29    6 |   10  15  16  18  11  30  27   11
  18  |   6  12  18   8   8  14  38    5 |   10  14  15  22  14  16  38    9
  19  |   6   9  18  10  17  16  31    5 |   12  15  17  18  12  22  32   12
  20  |   8  12  12   9   9  10  32    4 |   16  13  17  20  14  19  26   12
  21  |  16   8  15   8   8  14  47    5 |    9  12  15  17  10  15  38    8
  22  |   8   7  17  13  13  15  52    6 |   15  13  17  20  14  20  48   10
  23  |   8  14  12   7  10  19  33    5 |   12  20  23  18  13  22  26   13
  24E |  10  13  15  13  58  37  29   10 |   22  28  21  23  47  45  31   17
  25  |  17  10  15  11   8  16  37    6 |   17  11  13  23  16  22  33   10
  26  |  10   8  22  12  12  44  27    7 |   10   9  12  17  11  35  31    9
  27  |   8  10  15  11  14  18  45    5 |   12  14  15  17  14  21  46   11
  28  |   7   5  21  12   6  10  48    5 |    9  10  16  20  14  15  48    9
  29  |   6  11  18   7   9   8  34    4 |    8  11  11  19  10  10  35    8
  31  |   8   6  11  10   4  14  43    4 |    9  13  11  21  13  20  47    9
------|----------------------------------|----------------------------------
 RMS  |  11  10  17  11  20  25  41      |   13  15  17  21  18  26  38   11
 WRMS |  11  10  17  11  20  23  35      |

Table 3.0754.3   GPS week: 0754   Day: 3   MJD: 49525.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  12  12  17   8  30  34  16    6 |   11  10  25  14  22  35  17    8
   2  |  11   5  23  13  17  40  24    6 |   12  12  14  14  20  43  22   10
   4E |  15  10  42  13  55  55  15   10 |   21  21  25  18  48  49  22   13
   5  |   8  15  13   9  15  36  23    6 |   14  14  24  18  16  28  18   13
   6  |   8   7  17  11  16  30  12    5 |   10  11  14  20  22  35  20   11
   7  |   7  11  13  10  19  23  14    5 |    9  14  13  18  16  31  18    9
   9  |   9  14   8  12  34  66  13    7 |   16  13  18  23  19  77  14   15
  12E | ---  11  13  13 ---  34  10    7 |  ---  16  22  29 ---  37  19   18
  14  |   3  10  28   9  14  33  14    5 |   11  12  27  16  20  32  24   10
  15E |  12  11  18   8  37  63  14    8 |   12  18  22  21  35  36  24   12
  16  |   5  13  13  15  15  31  14    5 |    8  11  19  12  17  24  22    8
  17E |  10   9  25  11  17  67  14    7 |   12  15  21  21  20  50  21   12
  18  |   5  18  12  10  24  42  18    6 |   10  18  14  15  25  44  20   11
  19  |   3   6  16  10  25  31  16    5 |   12  13  15  13  18  35  17   11
  20  |   6   8  21  12   5  28  24    5 |   14  13  18  19  17  25  22   12
  21  |  15   8  17   8   7  29  20    5 |   10  10  14  14  14  26  19    8
  22  |   8  11  17  10  21  30  15    5 |   13  15  24  19  19  30  23   10
  23  |  12  15  17   6  11  54  22    7 |   12  22  20  15  16  47  21   14
  24E |  15  15  40  10  50  29  19    9 |   23  30  28  24  39  44  28   19
  25  |  13  11  13  12  19  22  29    6 |   15   9  19  16  15  27  24    9
  26  |  12   9  12  13  13  44  14    6 |   10  11  12  13  13  55  16    8
  27  |   5   7  12  11  29  45  24    6 |   11  12  15  12  20  46  25   11
  28  |   3   5   7  10   6  18  16    3 |    8  11  14  16  15  17  23    9
  29  |   6  14  14  11  18  26  17    5 |    9  11  12  17  17  28  18    9
  31  |   8   5  11  10   7  21  13    4 |   10  11  13  15  17  19  18    9
------|----------------------------------|----------------------------------
 RMS  |  10  11  19  11  24  40  18      |   12  14  19  17  22  38  20   11
 WRMS |   8  11  18  11  24  42  18      |

Table 3.0754.4   GPS week: 0754   Day: 4   MJD: 49526.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |   7  16  12  10  23  21  17    5 |    8   8  12  17  15  21  18    7
   2  |  10   5  17  14   6  28  12    5 |   12  11  15  11  15  26  18   10
   4E |  11  10  34  14  48  40  19    9 |   18  21  28  15  41  49  20   15
   5  |  11   8  11  10  17  29  22    5 |   15  15  22  23  17  25  17   14
   6  |   8   7   9  13   8  28   9    4 |    9  10  20  17  19  32  16   10
   7  |   6  10  12  13  27  54  11    7 |    9  13  13  11  24  49  18    9
   9  |   9  10  18  10  22  31  14    5 |   16  15  18  22  22  24  14   15
  12E | ---   6   8   9 ---  35  12    6 |  ---  15  20  20 ---  33  19   15
  14  |  11  10  20  11  13  15  14    5 |   10  11  18  15  25  23  25   10
  15E |  16  13  20  23  54  59  24   10 |   14  20  24  30  47  41  30   14
  16  |   9   7  11   8  26  32  15    5 |   11   9  15  12  19  36  18    7
  17E |  16  10  14  12  24  40  13    6 |   12  17  27  23  16  34  21   15
  18  |   3  11  20   6  17  17  20    5 |    9  11  12  15  17  19  18    9
  19  |   6   6  12   7  16  11  15    4 |   13  12  17  14  17  20  18   11
  20  |   6   8  13  11  14  39  12    5 |   15  13  21  18  17  43  17   13
  21  |  13   6  10  10  12  31  17    5 |    9   9  14  17  18  27  18    8
  22  |   9   9  21  10  20  39  11    6 |   13  14  23  19  16  39  17   11
  23  |   9  16  14   7  20  32  14    5 |    9  22  17  13  25  32  15   13
  24E |   8  16  20  12  50  34  17    8 |   19  31  24  25  39  36  33   19
  25  |  11  16  18  12  33  19  23    7 |   14  10  20  21  18  28  22   10
  26  |   7   9  12  10  26  19  14    5 |    9  12  14  12  26  17  12    6
  27  |   5   7  17   9  15  13  16    4 |   12  12  16  12  18  24  21   11
  28  |   6   6  14  11   9  15  19    4 |    8   8  20  16  14  19  22    8
  29  |   5  13  14   8  17  11  13    4 |   10  11  10  13  16  16  18    8
  31  |   6   4  16  13  20  21  13    4 |    9  10  15  18  23  18  19   10
------|----------------------------------|----------------------------------
 RMS  |   9  10  16  11  26  31  16      |   12  14  18  17  23  30  19   11
 WRMS |   9  10  15  11  24  28  15      |

Table 3.0754.5   GPS week: 0754   Day: 5   MJD: 49527.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |  14  15  17  11  29  30  24    7 |   10  10  15  13  19  32  19    7
   2  |   8   6  20  16  14  22  17    5 |   12  13  12  14  16  21  23   10
   4E |  11  14  22  17  46  34  17    8 |   20  22  25  20  40  44  19   17
   5  |  12  14  11  12  30  15  22    6 |   13  14  17  19  27  27  20   14
   6  |  10  11  17  17  12  22  19    6 |   14  11  14  27  16  21  18   12
   7  |  14  10  24  18  39  54  17    9 |   10  13  16  12  35  63  13   11
   9  |  13  15  32  12  24  27  17    7 |   14  13  21  23  23  21  16   13
  12E | ---  11  21  18 ---  33  21    9 |  ---  17  23  32 ---  27  20   16
  14  |  10   8  20  11  34  32  12    6 |   10  14  21  17  37  40  21   11
  15E |  15  11  17  18  58  59  17   10 |   16  21  29  28  46  43  25   16
  16  |   6  13  15  13  36  35  14    7 |   14   9  18  18  18  25  15    8
  17E |  16  18  26  17  31  39  26    9 |   14  20  23  25  29  43  22   16
  18  |   6   8  17   7  19  22  22    5 |   10  10  12  17  19  23  18   10
  19  |  12   7  15  12  14  15  13    4 |   12  13  17  14  16  21  18   11
  20  |  12  11  23   6  13  16  19    5 |   15  15  17  18  15  25  15   13
  21  |  15  10  13  13  18  33  26    7 |    9  12  11  16  17  29  24    8
  22  |  11  13  13   9  29  41  14    6 |   12  14  10  17  19  41  16   10
  23  |   8  15  15   9  17  26  18    5 |   10  20  12  15  13  26  22   12
  24E |  11  14  15  12  43  34  15    7 |   19  31  25  24  38  55  30   23
  25  |   6   7  21  13  21  41  27    7 |   13  10  25  16  17  41  23   11
  26  |  14   7  11  15  15  27  20    6 |    8   9  10  16  20  34  12    5
  27  |  11   8  13  10  24  21  24    6 |   11  11  14  12  18  27  21   11
  28  |  12   5  19  11  11  16  23    5 |    8  10  17  18  16  20  18    8
  29  |   9  14  19   9  15  19  18    5 |    9  12  11  15  15  26  18    9
  31  |  14   6  15  11  17  23  17    5 |   10  10  11  17  26  22  16    9
------|----------------------------------|----------------------------------
 RMS  |  12  11  19  13  28  32  20      |   12  15  17  19  24  33  19   12
 WRMS |  12  11  19  13  28  29  19      |

Table 3.0754.6   GPS week: 0754   Day: 6   MJD: 49528.0

               Weighted Average                Orbit Dynamics (7 days)
 PRN  | cod emr esa gfz jpl ngs sio  IGS |  cod emr esa gfz jpl ngs sio  IGS
------|----------------------------------|----------------------------------
   1  |   8   7  20  11  15  61  26    7 |   16  12  11  11  14  61  33   12
   2  |  10  12  12  12  22  29  31    6 |   15  14  18  12  17  20  25   12
   4E |  11  17  20  16  57  48  29   10 |   18  19  19  15  38  48  27   12
   5  |  12   9  11  15  12  58  22    7 |   16  13  22  21  21  47  20   14
   6  |   6  10  14   9  16  17  15    4 |   11  11  19  19  21  21  19   11
   7  |   7   9  12  14   7  39  39    6 |   11  15  15  10  12  34  20    9
   9  |  13  15   7  20  10  30  19    6 |   20  13  18  24  20  38  21   15
  12E | ---  11  18  24 ---  26  17    9 |  ---  17  22  36 ---  34  22   18
  14  |  22  11  12   9  17  35  25    7 |   12  16  19  17  22  30  33   11
  15E |   9  12  23  15  57  30  30   10 |   13  22  26  22  41  41  35   12
  16  |   8   9  16  11  11  41  17    5 |   11  12  19  14  14  40  25   10
  17E |  29  19  19  18  39  52  22   10 |   14  20  21  22  32  43  34   13
  18  |   5  14  10   9   9  17  17    4 |   13  16  15  16  16  19  20   11
  19  |  13   8  20  11  13  28  63    9 |   15  12  22  13  15  25  30   11
  20  |   7   5  17  11  12  52  23    6 |   16  15  19  17  18  42  30   14
  21  |  15  12  13   7   7  43  31    6 |    9  12  13  13  12  29  39    9
  22  |  13   8  13  13  13  39  16    5 |   15  14  17  11  15  39  20   11
  23  |  13  16  12   6  16  40  24    6 |   14  27  18  16  20  43  33   17
  24E |   9  15  16  14  51  29  22    9 |   17  22  20  21  39  40  33   18
  25  |   9   7  11  15  14  64  28    7 |   19  13  17  14  16  31  31   12
  26  |   8  11  15   9  13  34  27    6 |   12   9  16  16  13  33  23    7
  27  |   8   8  20   9  13  33  45    7 |   13  10  21  12  15  27  31   10
  28  |  10   5   7  13   5  33  20    4 |   13   9  15  16  11  29  30    8
  29  |  13  12  30  12   9  19  22    6 |   12  14  13  16  17  21  23    9
  31  |   5   4   8   8  12  45  20    5 |   13   9  19  13  18  32  30   10
------|----------------------------------|----------------------------------
 RMS  |  12  11  16  13  24  40  28      |   14  15  18  17  21  36  28   12
 WRMS |  13  11  15  12  24  41  28      |



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