Subject: [IGSREPORT-2321] Wk 0832 JPL T2 Analysis Report
From: M B Heflin
Date: Thu, 11 Jan 1996 17:07:46 PST

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IGS Electronic Report    Thu Jan 11 17:07:46 PST 1996      Message Number 2321
******************************************************************************

Author: M B Heflin 
Subject: Wk 0832 JPL T2 Analysis Report

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TYPE TWO ANALYSIS CENTER COMPARISON FROM JPL FOR GPS WEEK 832 DEC 17 - 23 1995 
******************************************************************************

M B Heflin, J F Zumberge, D C Jefferson, M M Watkins, F H Webb

all at the Jet Propulsion Laboratory, California Institute of Technology,
Pasadena, CA  91109.

Solutions in SINEX format were obtained from COD, EMR, GFZ, JPL, NGS and SIO.
Each center was compared to each other center by estimating a 7-parameter
Helmert transformation to minimize the least-squares coordinate residuals.

The following table summarizes comparison results.  The North, East, and
Vertical WRMS values are given in mm for each pair.  The number of common sites
is given directly underneath the values for WRMS.  The number underneath each
center's name is the scale factor applied to the formal errors from that
center.  Transformation parameters for each pair are given at the end of the
report.

Remarks:  A weekly solution from NGS was contstructed by combining their daily
submissions.

TABLE OF COMPARISON RESIDUALS (N E V in mm)
-------------------------------------------------------------------------------
            emr         esa         gfz         jpl         ngs         sio
      +-----------+-----------+-----------+-----------+-----------+-----------+
 cod  |  9  10  31|           | 10  11  21|  8  12  24| 14  21  28|  6   9  23|
10.0  |     20    |           |     31    |     27    |     34    |     42    |
      +-----------+-----------+-----------+-----------+-----------+-----------+
            emr   |           |  5   7  16|  6   8  18| 21  24  28|  5   8  20|
            4.0   |           |     19    |     19    |     21    |     21    |
                  +-----------+-----------+-----------+-----------+-----------+
                        esa   |           |           |           |           |
                              |           |           |           |           |
                              +-----------+-----------+-----------+-----------+
                                    gfz   |  6   9  15| 23  29  35|  7   8  15|
                                    5.0   |     29    |     33    |     34    |
                                          +-----------+-----------+-----------+
                                                jpl   | 19  28  32|  5   4  14|
                                                4.0   |     28    |     34    |
                                                      +-----------+-----------+
                                                            ngs   | 18  26  35|
                                                           20.0   |     34    |
                                                                  +-----------+
                                                                        sio
                                                                        2.0
-------------------------------------------------------------------------------

COD TO EMR TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .5834E+02
 DOF        =          53
 CHI^2/DOF  =        1.10
 RX =   .1610E-07  +-   .3048E-09  rad
 RY =  -.2323E-08  +-   .3129E-09  rad
 RZ =   .1782E-07  +-   .4856E-09  rad
 TX =  -.1531E-02  +-   .3018E-02  m
 TY =   .1499E+00  +-   .2963E-02  m
 TZ =   .1210E+00  +-   .2543E-02  m
 S  =   .9649E-09  +-   .6701E-09  parts
----------------------------------------

COD TO GFZ TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .6722E+02
 DOF        =          86
 CHI^2/DOF  =         .78
 RX =   .1600E-08  +-   .2372E-09  rad
 RY =   .4326E-08  +-   .2196E-09  rad
 RZ =  -.9850E-08  +-   .3905E-09  rad
 TX =   .9711E-01  +-   .2218E-02  m
 TY =   .3648E-01  +-   .2148E-02  m
 TZ =   .1062E-02  +-   .1920E-02  m
 S  =  -.6190E-09  +-   .5071E-09  parts
----------------------------------------

COD TO JPL TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .6777E+02
 DOF        =          74
 CHI^2/DOF  =         .92
 RX =  -.1299E-07  +-   .2401E-09  rad
 RY =   .1293E-07  +-   .2103E-09  rad
 RZ =  -.1249E-06  +-   .3795E-09  rad
 TX =   .1953E-01  +-   .2239E-02  m
 TY =  -.9604E-02  +-   .2129E-02  m
 TZ =   .6364E-02  +-   .1875E-02  m
 S  =  -.1329E-08  +-   .4952E-09  parts
----------------------------------------

COD TO NGS TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .6210E+02
 DOF        =          95
 CHI^2/DOF  =         .65
 RX =  -.2389E-06  +-   .2288E-09  rad
 RY =  -.3847E-06  +-   .2318E-09  rad
 RZ =  -.3826E-06  +-   .3225E-09  rad
 TX =  -.3006E-01  +-   .2398E-02  m
 TY =   .2272E+00  +-   .2365E-02  m
 TZ =   .2476E+00  +-   .2269E-02  m
 S  =   .5811E-08  +-   .5383E-09  parts
----------------------------------------

COD TO SIO TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .9003E+02
 DOF        =         119
 CHI^2/DOF  =         .76
 RX =   .1298E-07  +-   .2038E-09  rad
 RY =   .2347E-07  +-   .1836E-09  rad
 RZ =   .6881E-07  +-   .2151E-09  rad
 TX =   .1949E-01  +-   .1700E-02  m
 TY =  -.1641E-01  +-   .1566E-02  m
 TZ =  -.1263E-01  +-   .1843E-02  m
 S  =  -.2064E-09  +-   .3988E-09  parts
----------------------------------------

EMR TO GFZ TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .3183E+02
 DOF        =          50
 CHI^2/DOF  =         .64
 RX =  -.1428E-07  +-   .3515E-09  rad
 RY =   .6539E-08  +-   .3327E-09  rad
 RZ =  -.2835E-07  +-   .6856E-09  rad
 TX =   .9880E-01  +-   .2871E-02  m
 TY =  -.1075E+00  +-   .3756E-02  m
 TZ =  -.1169E+00  +-   .2450E-02  m
 S  =  -.1353E-08  +-   .6439E-09  parts
----------------------------------------

EMR TO JPL TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .5164E+02
 DOF        =          50
 CHI^2/DOF  =        1.03
 RX =  -.2985E-07  +-   .1729E-09  rad
 RY =   .1533E-07  +-   .2093E-09  rad
 RZ =  -.1427E-06  +-   .3181E-09  rad
 TX =   .2327E-01  +-   .1882E-02  m
 TY =  -.1606E+00  +-   .1899E-02  m
 TZ =  -.1175E+00  +-   .1558E-02  m
 S  =  -.2573E-08  +-   .4127E-09  parts
----------------------------------------

EMR TO NGS TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .2388E+02
 DOF        =          56
 CHI^2/DOF  =         .43
 RX =  -.2553E-06  +-   .6719E-09  rad
 RY =  -.3828E-06  +-   .6091E-09  rad
 RZ =  -.3996E-06  +-   .1323E-08  rad
 TX =  -.2819E-01  +-   .5908E-02  m
 TY =   .7604E-01  +-   .7460E-02  m
 TZ =   .1248E+00  +-   .4000E-02  m
 S  =   .4157E-08  +-   .1035E-08  parts
----------------------------------------

EMR TO SIO TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .5021E+02
 DOF        =          56
 CHI^2/DOF  =         .90
 RX =  -.3230E-08  +-   .2560E-09  rad
 RY =   .2549E-07  +-   .2680E-09  rad
 RZ =   .5131E-07  +-   .3817E-09  rad
 TX =   .2326E-01  +-   .2255E-02  m
 TY =  -.1639E+00  +-   .2314E-02  m
 TZ =  -.1343E+00  +-   .2212E-02  m
 S  =  -.1287E-08  +-   .5071E-09  parts
----------------------------------------

GFZ TO JPL TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .6527E+02
 DOF        =          80
 CHI^2/DOF  =         .82
 RX =  -.1482E-07  +-   .1210E-09  rad
 RY =   .9065E-08  +-   .1285E-09  rad
 RZ =  -.1148E-06  +-   .1785E-09  rad
 TX =  -.7771E-01  +-   .1229E-02  m
 TY =  -.4812E-01  +-   .1258E-02  m
 TZ =   .4738E-02  +-   .1209E-02  m
 S  =  -.1491E-08  +-   .3091E-09  parts
----------------------------------------

GFZ TO NGS TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .5836E+02
 DOF        =          92
 CHI^2/DOF  =         .63
 RX =  -.2410E-06  +-   .3329E-09  rad
 RY =  -.3878E-06  +-   .3325E-09  rad
 RZ =  -.3722E-06  +-   .5674E-09  rad
 TX =  -.1345E+00  +-   .3099E-02  m
 TY =   .1869E+00  +-   .3264E-02  m
 TZ =   .2455E+00  +-   .2048E-02  m
 S  =   .5915E-08  +-   .5913E-09  parts
----------------------------------------

GFZ TO SIO TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .7211E+02
 DOF        =          95
 CHI^2/DOF  =         .76
 RX =   .1153E-07  +-   .2284E-09  rad
 RY =   .1931E-07  +-   .2246E-09  rad
 RZ =   .7911E-07  +-   .3199E-09  rad
 TX =  -.7750E-01  +-   .1981E-02  m
 TY =  -.5158E-01  +-   .1874E-02  m
 TZ =  -.1321E-01  +-   .1750E-02  m
 S  =   .5762E-10  +-   .4075E-09  parts
----------------------------------------

JPL TO NGS TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .4381E+02
 DOF        =          77
 CHI^2/DOF  =         .57
 RX =  -.2260E-06  +-   .3421E-09  rad
 RY =  -.3971E-06  +-   .3193E-09  rad
 RZ =  -.2578E-06  +-   .5873E-09  rad
 TX =  -.5473E-01  +-   .3186E-02  m
 TY =   .2333E+00  +-   .3395E-02  m
 TZ =   .2420E+00  +-   .1856E-02  m
 S  =   .6730E-08  +-   .5978E-09  parts
----------------------------------------

JPL TO SIO TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .6260E+02
 DOF        =          95
 CHI^2/DOF  =         .66
 RX =   .2609E-07  +-   .1864E-09  rad
 RY =   .1039E-07  +-   .1630E-09  rad
 RZ =   .1935E-06  +-   .2588E-09  rad
 TX =   .7291E-03  +-   .1550E-02  m
 TY =  -.5480E-02  +-   .1543E-02  m
 TZ =  -.1913E-01  +-   .1442E-02  m
 S  =   .1027E-08  +-   .3221E-09  parts
----------------------------------------

NGS TO SIO TRANSFORMATION PARAMETERS
----------------------------------------
 CHI^2      =   .7317E+02
 DOF        =          95
 CHI^2/DOF  =         .77
 RX =   .2520E-06  +-   .4489E-09  rad
 RY =   .4076E-06  +-   .2796E-09  rad
 RZ =   .4515E-06  +-   .6080E-09  rad
 TX =   .5103E-01  +-   .3061E-02  m
 TY =  -.2428E+00  +-   .3675E-02  m
 TZ =  -.2634E+00  +-   .2891E-02  m
 S  =  -.5097E-08  +-   .6890E-09  parts
----------------------------------------

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