[IGSREPORT-11805] Wk 1289 MIT T2 Analysis Report

Tom Herring tah at mtglas2.mit.edu
Wed Oct 6 01:11:59 PDT 2004


******************************************************************************
IGS Electronic Report   06 Oct 01:10:17 PDT 2004      Message Number 11805
******************************************************************************

Author: Thomas Herring

********************************************************************************
MIT ANALYSIS REPORT GPS-WEEK 1289    Dates: 04sep19  to  04sep25 
********************************************************************************

MIT (Massachusetts Institute of Technology) 
Room 54-618
77 Massachusetts Avenue, 
Cambridge,  MA  02139
e-mail: tah at mit.edu 
tel:    (617)253-5941 (Tom Herring)
fax:    (617)253-1699

PRODUCTS GENERATED:
The following products are generated and uploaded into CDDIS @ NASA/GSFC
   MIT1289g.SNX   Combined sinex file from all available analysis centers
   MIT1289g.SUM   Name of this summary file
   MIT1289g.RES   File of the individual AC position estimates residuals 
                  to the combined solution for the week. 
		  
0.0 Starting Week 1244 we adopted the 99 IGS reference sites in 
    IGS03P33_RS99.snx.  System denoted as IGb00.
0.1 Starting Week 1203 we changed the method used to compute the variance 
    scaling for each sinex file.  The old method is described in item 2 of
    the analysis procedures below.  In the new method, we determine the scaling
    factor by the ratio of the adjustments to the IGS00 frame from a loose,
    rotated and translated solution, to the sigmas determined for the adjustment.
    The new method is robust when some of the reference sites have changed 
    position (because of outlier detection during the rotation/translation
    step) and is not senstive to any aproiri rescaling factors used in the
    analysis. 
0.2 Starting Week 1202 adopted IGS01P37_RS54 for reference frame.  Dropped
    KOKB and FAIR from frame definition.	  
0.3 Starting Week 1125, we removed AREQ from the sites used in determining
    the variance re-scaling of the center SINEX files.  This site
    appears to have moved by 0.5 meters at around week 1120.
0.4 Starting Week 1110, we stopped applied a pole-tide correction to
    SIO sinex files because this correction is already made in their
    analysis.
0.5 Starting Week 1066, we adopted the IGS realization of the ITRF97
    (referred to as IGS97).  We also replaced our constrained solution
    a loose solution with translation (+-1 mm) and orientation (+-0.1 mas)
    constraints applied.
0.6 Starting Week 1020, we adopted the ITRF97 reference frame
0.7 Starting Week 1002, we re-ordered the summary to give the residual
    summary and the SINEX file errors first.  

                         All Sites                       | Sites common between Centers
 CENTER   #       North           East           Up      | NC       North           East           Up
               RMS    Chi     RMS    Chi    RMS     Chi  |       RMS    Chi     RMS    Chi    RMS     Chi
               (mm)           (mm)          (mm)         |       (mm)           (mm)          (mm)
 COD    161    1.1    0.3     0.9    0.3     4.4    0.3  | 51    1.4    0.4     1.1    0.3     5.2    0.4 
 JPL    104    1.6    0.3     1.3    0.3     8.9    0.5  | 51    1.6    0.4     1.3    0.4     9.3    0.6 
 SIO    177    1.2    0.4     1.5    0.4     3.8    0.4  | 51    1.4    0.5     1.6    0.4     4.7    0.5 
 GFZ    180    1.0    0.3     1.1    0.3     5.2    0.4  | 51    0.9    0.3     1.0    0.3     5.3    0.4 
 MIT    144    1.7    0.5     2.2    0.6    10.4    0.9  | 51    1.3    0.4     1.8    0.5     6.4    0.6 
 EMR     45    1.8    0.4     1.5    0.4     5.9    0.4  | 22    1.7    0.4     1.6    0.4     5.4    0.4 
 ESA      0    0.0    0.0     0.0    0.0     0.0    0.0  |  0    0.0    0.0     0.0    0.0     0.0    0.0 
 NGS     78    3.5    1.0     4.8    1.0     5.7    0.5  | 35    3.4    1.0     4.9    1.0     6.1    0.6 
 
CENTER SINEX ERRORS: (corrected during processing).
 CNT  Site Type of Error           Used values                       IGS.SNX values
 COM  GOPE Used ASH701946.3      dL1  0.0006  0.0008  0.1098  dL2  0.0007  0.0017  0.1280  m
 COM  GOPE Real ASH701946.3      dL1  0.0006  0.0008  0.1098  dL2  0.0007  0.0014  0.1284  m
 COM  WUHN Eccentricity: Used        -0.0094 -0.0022  2.3610 Real  0.0000  0.0000  2.3610  m
 NRC  WUHN Eccentricity: Used        -0.0094 -0.0022  2.3610 Real  0.0000  0.0000  2.3610  m
 NOA  ARTU Used ASH700936D_M     dL1  0.0000  0.0000  0.1089  dL2  0.0000  0.0000  0.1274  m
 NOA  ARTU Real ASH700936D_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  AUCK Used ASH701945C_M     dL1  0.0000 -0.0000  0.1090  dL2  0.0000 -0.0000  0.1279  m
 NOA  AUCK Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  BAHR Used ASH700936B_M     dL1  0.0000  0.0000  0.1089  dL2  0.0000  0.0000  0.1274  m
 NOA  BAHR Real ASH700936B_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  BRUS Used ASH701945B_M     dL1  0.0000  0.0000  0.1090  dL2  0.0000  0.0000  0.1279  m
 NOA  BRUS Real ASH701945B_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  CHAT Used ASH701945C_M     dL1  0.0000 -0.0000  0.1090  dL2  0.0000 -0.0000  0.1279  m
 NOA  CHAT Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  DARW Used ASH700936D_M     dL1  0.0000  0.0000  0.1089  dL2  0.0000  0.0000  0.1274  m
 NOA  DARW Real ASH700936D_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  DGAR Used ASH701945E_M     dL1  0.0000  0.0000  0.1090  dL2  0.0000  0.0000  0.1279  m
 NOA  DGAR Real ASH701945E_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  GLSV Used TRM29659.00      dL1 -0.0000 -0.0000  0.1098  dL2 -0.0000 -0.0000  0.1280  m
 NOA  GLSV Real TRM29659.00      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  HOFN Used TRM29659.00      dL1  0.0000  0.0000  0.1098  dL2  0.0000  0.0000  0.1280  m
 NOA  HOFN Real TRM29659.00      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  JAB1 Used ASH701945C_M     dL1  0.0000  0.0000  0.1090  dL2  0.0000  0.0000  0.1279  m
 NOA  JAB1 Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  KELY Used ASH701945C_M     dL1  0.0000  0.0000  0.1090  dL2  0.0000  0.0000  0.1279  m
 NOA  KELY Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  KERG Used TRM29659.00      dL1  0.0000  0.0000  0.1098  dL2  0.0000  0.0000  0.1280  m
 NOA  KERG Real TRM29659.00      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  KOUR Used ASH701945C_M     dL1  0.0000 -0.0000  0.1090  dL2  0.0000 -0.0000  0.1279  m
 NOA  KOUR Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  LAMA Used ASH700936E_C     dL1  0.0000  0.0000  0.1081  dL2  0.0000  0.0000  0.1256  m
 NOA  LAMA Real ASH700936F_C     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  MANA Used TRM29659.00      dL1  0.0000 -0.0000  0.1077  dL2  0.0000 -0.0000  0.1273  m
 NOA  MANA Real TRM29659.00      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  MATE Used TRM29659.00      dL1  0.0000  0.0000  0.1098  dL2  0.0000  0.0000  0.1280  m
 NOA  MATE Real TRM29659.00      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  NKLG Used TRM29659.00      dL1  0.0000  0.0000  0.1098  dL2  0.0000  0.0000  0.1280  m
 NOA  NKLG Real TRM29659.00      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  NYAL Eccentricity: Used         0.0040 -0.0010  5.2160 Real  0.0000  0.0000  5.2160  m
 NOA  PERT Used ASH701945C_M     dL1  0.0000  0.0000  0.1090  dL2  0.0000  0.0000  0.1279  m
 NOA  PERT Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  POL2 Used ASH701945C_M     dL1  0.0000  0.0000  0.1090  dL2  0.0000  0.0000  0.1279  m
 NOA  POL2 Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  RIOG Used ASH700936C_M     dL1 -0.0000 -0.0000  0.1089  dL2 -0.0000 -0.0000  0.1274  m
 NOA  RIOG Real ASH700936C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  THTI Used ASH701945E_M     dL1  0.0000 -0.0000  0.1090  dL2  0.0000 -0.0000  0.1279  m
 NOA  THTI Real ASH701945E_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  THU3 Used ASH701073.1      dL1  0.0000 -0.0000  0.1089  dL2  0.0000 -0.0000  0.1274  m
 NOA  THU3 Real ASH701073.1      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  TIXI Used ASH700936D_M     dL1  0.0000  0.0000  0.1089  dL2  0.0000  0.0000  0.1274  m
 NOA  TIXI Real ASH700936D_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  TRAB Used ASH700936D_M     dL1  0.0000  0.0000  0.1081  dL2  0.0000  0.0000  0.1256  m
 NOA  TRAB Real ASH700936D_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  VESL Used TRM29659.00      dL1 -0.0000 -0.0000  0.1098  dL2 -0.0000 -0.0000  0.1280  m
 NOA  VESL Real TRM29659.00      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  YAKT Used ASH701933B_M     dL1  0.0000  0.0000  0.1075  dL2  0.0000  0.0000  0.1265  m
 NOA  YAKT Real ASH701933B_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  ZIMM Used TRM29659.00      dL1  0.0000  0.0000  0.1098  dL2  0.0000  0.0000  0.1280  m
 NOA  ZIMM Real TRM29659.00      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 NOA  NOUM Used TRM41249.00      dL1  0.0000  0.0000  0.0714  dL2  0.0000  0.0000  0.0682  m
 NOA  NOUM Real TRM41249.00      dL1  0.0003  0.0005  0.0714  dL2 -0.0004  0.0001  0.0682  m
 NOA  GRAZ Used ASH701945C_M     dL1  0.0000  0.0000  0.1090  dL2  0.0000  0.0000  0.1279  m
 NOA  GRAZ Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 IGS  STR2 Used TPSCR3_GGD       dL1  0.0001  0.0000  0.0805  dL2  0.0007  0.0008  0.1035  m
 IGS  STR2 Real TPSCR3_GGD       dL1  0.0002  0.0001  0.0803  dL2  0.0004  0.0006  0.1027  m
 IGS  WTZZ Used TPSCR3_GGD       dL1  0.0001  0.0000  0.0805  dL2  0.0007  0.0008  0.1035  m
 IGS  WTZZ Real TPSCR3_GGD       dL1  0.0002  0.0001  0.0803  dL2  0.0004  0.0006  0.1027  m
 JPL  ASC1 Eccentricity: Used         0.0000  0.0000  0.0676 Real  0.0000  0.0000  0.0677  m
 JPL  ASPA Eccentricity: Used         0.0000  0.0000 -0.0072 Real  0.0000  0.0000  0.0000  m
 JPL  AUCK Eccentricity: Used         0.0000  0.0000  0.0018 Real  0.0000  0.0000  0.0016  m
 JPL  BRAZ Eccentricity: Used         0.0000  0.0000  0.0070 Real  0.0000  0.0000  0.0080  m
 JPL  BRST Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  1.0543  m
 JPL  CHAT Eccentricity: Used         0.0000  0.0000  0.0031 Real  0.0000  0.0000  0.0062  m
 JPL  DARW Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.0025  m
 JPL  GLPS Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.0083  m
 JPL  GMAS Eccentricity: Used         0.0000  0.0000  0.0100 Real  0.0000  0.0000  0.0000  m
 JPL  GUAO Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.0800  m
 JPL  ISPA Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.0083  m
 JPL  KIR0 Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.0710  m
 JPL  KOU1 Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.1070  m
 JPL  LAE1 Eccentricity: Used         0.0000  0.0000  0.0500 Real  0.0000  0.0000  0.0110  m
 JPL  LHAZ Eccentricity: Used         0.0000  0.0000  0.0031 Real  0.0000  0.0000  0.1350  m
 JPL  MADR Eccentricity: Used         0.0000  0.0000 -0.0320 Real  0.0000  0.0000  0.0254  m
 JPL  MBAR Eccentricity: Used         0.0000  0.0000  0.0153 Real  0.0000  0.0000  0.0083  m
 JPL  NOUM Eccentricity: Used         0.0000  0.0000  0.0059 Real  0.0000  0.0000  0.0000  m
 JPL  OHI3 Eccentricity: Used         0.0000  0.0000 -0.0151 Real  0.0000  0.0000  0.0050  m
 JPL  PETS Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.0850  m
 JPL  QAQ1 Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.1206  m
 JPL  RAMO Eccentricity: Used         0.0000  0.0000  0.0000 Real  0.0000  0.0000  0.0030  m
 JPL  REYK Eccentricity: Used         0.0000  0.0000  0.0680 Real  0.0000  0.0000  0.0555  m
 JPL  SEY1 Eccentricity: Used         0.0000  0.0000  0.5011 Real  0.0000  0.0000  1.2065  m
 JPL  WUHN Eccentricity: Used         0.0000  0.0000  2.3200 Real  0.0000  0.0000  2.3610  m
 SIO  PDEL Used LEIAT504         dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  PDEL Real LEIAT504         dL1  0.0003 -0.0003  0.1093  dL2  0.0011  0.0011  0.1282  m
 SIO  QAQ1 Used ASH701945E_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  QAQ1 Real ASH701945E_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  KELY Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  KELY Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  KOUR Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  KOUR Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  ALRT Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  ALRT Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  THU2 Used ASH701073.1      dL1  0.0014 -0.0010  0.1089  dL2  0.0010  0.0005  0.1274  m
 SIO  THU2 Real ASH701073.1      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  THU3 Used ASH701073.1      dL1  0.0014 -0.0010  0.1089  dL2  0.0010  0.0005  0.1274  m
 SIO  THU3 Real ASH701073.1      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  HOLM Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  HOLM Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  SACH Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  SACH Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  INVK Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  INVK Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  THTI Used ASH701945E_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  THTI Real ASH701945E_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  ASPA Used TRM33429.20+GP   dL1  0.0006 -0.0014  0.0739  dL2  0.0010 -0.0011  0.0767  m
 SIO  ASPA Real TRM33429.20+GP   dL1 -0.0004 -0.0010  0.0729  dL2 -0.0004 -0.0013  0.0750  m
 SIO  CHAT Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  CHAT Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  AUCK Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  AUCK Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  CNMR Used TRM33429.20+GP   dL1  0.0006 -0.0014  0.0739  dL2  0.0010 -0.0011  0.0767  m
 SIO  CNMR Real TRM33429.20+GP   dL1 -0.0004 -0.0010  0.0729  dL2 -0.0004 -0.0013  0.0750  m
 SIO  MOBS Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  MOBS Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  JAB1 Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  JAB1 Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  DARW Eccentricity: Used         0.0000  0.0000  0.0035 Real  0.0000  0.0000  0.0025  m
 SIO  TWTF Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  TWTF Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  PIMO Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  PIMO Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  TCMS Used LEIAT504         dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  TCMS Real LEIAT504         dL1  0.0003 -0.0003  0.1093  dL2  0.0011  0.0011  0.1282  m
 SIO  NNOR Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  NNOR Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  PERT Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  PERT Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  WUHN Eccentricity: Used        -0.0094 -0.0022  2.3610 Real  0.0000  0.0000  2.3610  m
 SIO  POL2 Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  POL2 Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  DGAR Used ASH701945E_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  DGAR Real ASH701945E_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  SEY1 Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  SEY1 Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  MOBN Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  MOBN Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  MBAR Eccentricity: Used         0.0000  0.0000  0.0153 Real  0.0000  0.0000  0.0083  m
 SIO  KIRU Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  KIRU Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  SUTH Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  SUTH Real ASH701945G_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  GRAZ Used ASH701945C_M     dL1  0.0005  0.0003  0.1090  dL2  0.0003  0.0012  0.1279  m
 SIO  GRAZ Real ASH701945C_M     dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  NYA1 Used ASH701073.1      dL1  0.0014 -0.0010  0.1089  dL2  0.0010  0.0005  0.1274  m
 SIO  NYA1 Real ASH701073.1      dL1  0.0000  0.0000  0.1100  dL2  0.0000  0.0000  0.1280  m
 SIO  NYAL Eccentricity: Used         0.0040 -0.0010  5.2160 Real  0.0000  0.0000  5.2160  m

HISTORY and PROCEDURES
----------------------

0.0 Starting Week 998 we adopted full checking of the center sinex
    headers and we correct the solutions for differences between the
    headers and a modified version of IGS.SNX.  (The modifications are
    to put full precision antenna L1/L2 offsets and to correct the WUHN
    entry.  The station log for this site shows height to BCR not ARP).
    A new error reporting block has been added below.  We also have 
    removed some of the routine documention in this summary.

0.1 Starting week 993 we started to add corrections for the pole-tide to
    the SIO, NGS, and ESA sinex.  According to the analysis descriptions
    none of these centers apply the pole tide correction.  Starting with
    the re-submission of week 992, we corrected the LOD values in JPL sinex
    files from regularized LOD (should be called LODR in the SINEX file)
    to standard LOD.  (Since starting multiday polar motion combinations
    we have been correcting the sign error in the JPL LOD values.

0.2 Starting week 989 we include as Section 5.0 of this summary, the
    Earth rotation parameter estimates from the constrained combination
    solution in the IERS format.

0.3 Starting Week 980 we include multiday polar motion/UT1 estimates into
    our analysis.   We also no longer need to deconstrain the AC sinex 
    files although to add back into the covariance matrices at rotational
    uncertainity which is coupled between station positions and EOPs.


0.4 Starting Week 0943 we base the analysis on the ITRF96 system and the
    reference site list for the ITRF96 system. The increase in the number
    of sites used to obtain analysis variances increases the variance 
    factors for all centers by factors between 2 and 4.  The Chi**2 for
    the center residuals is now much closer to 1.0

0.5 Starting Week 0931 we added a new residual file to our submissions.  
    A description of the contents of the file is given in the file itself.
    We also changed the treatment of the translation of the individual 
    AC solutions.  The generation of the weighting factors and the constrained
    combined solution remains unchanged.  However, in the unconstrained 
    analyses (used for AC comparisons) we now allow explicit translation
    and scale parameters in the solution.  The net effect is to generate
    more realisitic sigmas for the center of mass position estimates and to
    make the coordinate estimates immune to real center of mass translations
    and scale changes. 

0.6 Starting Week 0901 we started using a new apriori file not Non-ITRF94 coordinates
    based on the analysis of week 0822-0900 sinex files.

1.0 Analysis Procedures:

(1) Each centers sinex solutions are de-constrained by adding back
 in a rotational uncertainty.
 
(2) Covariance matrices are re-scaled by computing the chi**2/freedom of
 the position residuals to the reference sites in IGS00 from an loosely
 constrained solution that is rotated and translated on to the IGS00 system.
 During the rotation/translation step, outliers (4-sigma based on fit) are
 removed and this new scheme is more robust when some of the reference sites 
 have moved (due earthquakes and/or equipment changes).
 
(2o) This procedure was replaced Week 1203 with the one described above.
 Covariance matrices from each center are re-scaled to generate
 unit increment in chi square per degree in the tight constraints solution.
 The values are are based in the chi**2 per degree of freedom increment
 when the loosely constrained solution is constrained to the ITRF1996
 coordinates of the 55 Reference sites.  Orientation changes are estimated
 in this step, but translations and scale are NOT estimated.
 
(3) The tight solution is generated with the following constraints on
 the core sites.  Starting Week 0858, ITRF94 is used for the coordinate
 system.  Starting Week 0878, we changed the site selection here to use
 WTZR and GOL2.  Starting Week 0897 we stopped using MADR as a core site.
 We continue not use MADR in the reference site list.

 Earth rotation parameters are estimated for each center (even when not given
 in the original SINEX files.  In this case the partial derivatives are
 computed from the station coordinates).

(4) When the combined and center solutions are compared to ITRF97, the
heights are given a variance 10 times larger than the horizontal coordinates.
The same variance ratio is used when the RMS to ITRF97 core sites is
computed.

(5) Starting Week 0826, we show the differences in the coordinates for
five non-core sites, in remote areas.  Four of these sites are processed 
by all centers.  These sites are not used in the RMS calculations or 
the transformation estimation to the 13 core sites.  The change in procedure
was because FORT is no longer being processed by all centers.  AREQ has
been added to the list for this reason.  After Week 0943, when the reference
site list increased we no long summarize additional sites.

(6) Starting Week 0826, we start to show a comparison of each centers
results with the combined solution for the week.  When the constraints
are applied to loose combined solution to translate, rotate and scale it
to the ITRF97, the constraints are actually applied using the full 
covariance matrix of the combined solution (rather than simply directly
applying the transformations to the coordinates).  The approach we use
constrains the center of mass to have zero variance relative to ITRF97.
The result of this is that the combined solution has the same center
of mass position and scale as ITRF97, and therefore when each of the
centers are compared to the combined solution, they generate very similar
translations and scales as they do the ITRF97.  Had we simply applied
the transformations to the coordinates, the translations and scale would
have been the difference between the combined translations and scale and
the individual center's translations and scale.
This new section is numbered 4.0.

(7) Starting Week 868, we updated the coordinates of sites not included
in the ITRF94 coordinate files.  This introduces a discontinuity in the
the adjustments to some of the "isolated" sites shown below.

 
 2.0 COMBINED FIT TO IGb00 
 Transformation of loose solution COMBINED to IGb00
 -----------------------------------------------
 For   88 Sites, RMS after 7 parameter transformation   2.6 mm  COMBINED wrt IGb00 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
   -7.6    3.2     -2.4    3.4    -10.3    5.0  -2.235  0.117  COMBINED  CoM
RMS Fits of COMBINED to IGb00
WRMS NEU   3.03   3.01   7.90 mm, NRMS   2.29   1.95   1.61 Num  85 COMBINED IGb00
 
 Adjustments to core site positions for COMBINED
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL     2.4    1.7    1.4    1.6    1.2    5.9  COMBINED wrt IGb00
 SFER     7.1    1.7   -7.3    2.3    1.6    5.9  COMBINED wrt IGb00
 HOFN    -3.1    1.1    5.2    1.1   18.2    4.1  COMBINED wrt IGb00
 MAS1    -1.0    1.2    0.3    1.8   -5.7    4.8  COMBINED wrt IGb00
 STJO     0.9    1.2    0.7    1.3   -4.4    4.2  COMBINED wrt IGb00
 KOUR     0.9    1.5    0.7    2.5  -10.8    6.6  COMBINED wrt IGb00
 OHI2     7.8    2.3   -8.3    2.4   18.4    8.6  COMBINED wrt IGb00
 LPGS    -1.9    1.9    2.0    2.2    3.4    8.1  COMBINED wrt IGb00
 CRO1    -1.7    2.0    2.5    2.8    3.9   10.7  COMBINED wrt IGb00
 UNSA    -4.3    1.8   -0.5    2.2   -0.1    7.0  COMBINED wrt IGb00
 SCH2    -5.9    1.3   -1.5    1.3   -5.7    4.2  COMBINED wrt IGb00
 RIOG    -3.5    1.8    0.9    1.6   -1.3    4.9  COMBINED wrt IGb00
 THU3    -2.2    1.2   -0.2    1.1   19.3    5.6  COMBINED wrt IGb00
 SANT    -1.0    1.7    1.5    1.7    1.8    5.2  COMBINED wrt IGb00
 WES2    -1.1    2.2   -0.9    2.4  -15.9    8.1  COMBINED wrt IGb00
 NRC1    -0.7    1.2   -0.6    1.4   -5.8    4.3  COMBINED wrt IGb00
 GODE    -3.2    1.2   -3.7    1.7  -16.4    4.7  COMBINED wrt IGb00
 ALGO    -2.6    1.1   -0.3    1.1   -7.7    4.1  COMBINED wrt IGb00
 NLIB    -0.9    1.9   -0.0    2.1   -8.6    6.8  COMBINED wrt IGb00
 CHUR    -2.6    1.4    0.6    1.6    1.7    5.0  COMBINED wrt IGb00
 DUBO    -4.8    1.9   -0.0    1.8    4.8    5.9  COMBINED wrt IGb00
 FLIN    -2.3    1.3   -0.6    1.5   -0.7    4.5  COMBINED wrt IGb00
 MDO1     1.6    1.4   -1.6    1.9    3.7    6.0  COMBINED wrt IGb00
 PIE1     3.8    1.5   -2.0    2.0   -6.5    5.8  COMBINED wrt IGb00
 YELL    -1.1    1.3    0.8    1.3    7.0    4.4  COMBINED wrt IGb00
 GOLD     0.6    2.3    1.6    2.0   -3.0    8.0  COMBINED wrt IGb00
 DRAO    -2.8    1.0   -0.4    1.2   -4.7    3.0  COMBINED wrt IGb00
 THTI     5.1    1.4    0.5    1.9    3.9    5.4  COMBINED wrt IGb00
 MKEA     2.5    1.5   -0.8    2.0  -13.7    5.6  COMBINED wrt IGb00
 CHAT     0.7    1.3    4.5    1.5   -1.1    4.4  COMBINED wrt IGb00
 AUCK     2.3    1.1    4.0    1.4   -2.4    3.9  COMBINED wrt IGb00
 MCM4    -0.2    1.7    2.0    1.7    6.1    6.7  COMBINED wrt IGb00
 NOUM    -3.3    1.5    4.6    2.4   -7.7    6.8  COMBINED wrt IGb00
 MAC1     2.6    1.2    2.4    1.2   -9.1    3.9  COMBINED wrt IGb00
 PETP     2.9    1.6   -4.6    2.1   -6.5    5.8  COMBINED wrt IGb00
 MAG0    -0.8    1.9   -6.8    1.7    9.8    5.3  COMBINED wrt IGb00
 TIDB    -0.3    1.2   -2.4    1.7   -2.6    5.1  COMBINED wrt IGb00
 HOB2     0.4    1.1   -1.2    1.3  -14.9    4.0  COMBINED wrt IGb00
 TOW2     1.8    1.0   -1.5    1.4   -0.6    4.2  COMBINED wrt IGb00
 GUAM     0.7    1.5    2.9    1.8   -5.6    6.4  COMBINED wrt IGb00
 YSSK   -14.8    1.6    1.1    1.3    4.3    4.4  COMBINED wrt IGb00
 TSKB    -3.9    1.3   -4.0    1.5   -2.3    4.4  COMBINED wrt IGb00
 ALIC     2.1    0.9   -0.4    1.4   -4.8    4.3  COMBINED wrt IGb00
 CEDU     1.3    0.9   -0.5    1.3    5.3    3.9  COMBINED wrt IGb00
 JAB1     7.0    1.1   -3.7    1.6  -11.5    5.0  COMBINED wrt IGb00
 DARW     2.4    1.0   -0.8    1.6   -0.4    4.9  COMBINED wrt IGb00
 YAKT    -0.7    1.4   -5.5    1.4  -10.9    4.8  COMBINED wrt IGb00
 TIXI    -0.2    1.3   -3.4    1.2   10.0    4.6  COMBINED wrt IGb00
 KARR     2.5    0.9   -1.7    1.5   -9.3    4.3  COMBINED wrt IGb00
 PERT    -4.9    1.0   -1.4    1.3  -14.1    4.1  COMBINED wrt IGb00
 CAS1    -0.1    1.4   -2.9    1.3    0.2    4.6  COMBINED wrt IGb00
 IRKT    -0.8    2.1    0.0    2.7   -7.6   10.2  COMBINED wrt IGb00
 NTUS     3.0    1.4    1.1    2.2    0.6    6.3  COMBINED wrt IGb00
 COCO     0.8    1.0    0.4    1.5    3.0    4.4  COMBINED wrt IGb00
 LHAS    -6.3    1.5    1.9    2.6   -0.8    7.2  COMBINED wrt IGb00
 URUM    -4.0    1.5    5.1    1.5    2.7    4.7  COMBINED wrt IGb00
 DAV1     0.6    1.4   -2.0    1.5   -2.1    4.5  COMBINED wrt IGb00
 IISC     0.4    1.1    7.0    1.7   -1.4    4.9  COMBINED wrt IGb00
 POL2    -0.1    1.1    1.9    1.5    0.1    4.0  COMBINED wrt IGb00
 DGAR    -3.4    1.1    0.8    1.6   -6.7    4.5  COMBINED wrt IGb00
 KERG     1.4    1.3   -1.7    1.5   -4.3    4.1  COMBINED wrt IGb00
 KIT3    -0.9    1.2    3.2    1.6   -3.7    4.3  COMBINED wrt IGb00
 MAW1     1.6    1.6   -1.1    1.9    2.6    5.4  COMBINED wrt IGb00
 ARTU    -0.9    1.3    1.7    1.2    9.2    4.2  COMBINED wrt IGb00
 BAHR    -2.7    1.2    2.4    1.6   -0.8    5.2  COMBINED wrt IGb00
 TRAB     1.1    1.4    1.9    1.8    0.2    6.5  COMBINED wrt IGb00
 SYOG     2.3    2.4   -1.0    2.3   -2.4    9.0  COMBINED wrt IGb00
 GLSV     1.3    1.3    2.6    1.8    5.2    5.0  COMBINED wrt IGb00
 HRAO    -3.5    1.5    0.3    1.9   -1.1    5.2  COMBINED wrt IGb00
 JOZE     2.8    2.4   -3.2    2.0   15.2    7.5  COMBINED wrt IGb00
 LAMA     1.6    1.1    2.8    1.3   16.5    4.3  COMBINED wrt IGb00
 TRO1    -5.9    1.3  -11.6    1.2   15.7    4.4  COMBINED wrt IGb00
 BOR1    -0.7    1.7    0.5    1.4    4.9    5.4  COMBINED wrt IGb00
 MATE    -0.6    1.2   -1.6    1.4   -0.5    4.5  COMBINED wrt IGb00
 GRAZ     2.2    1.8    1.3    1.9    4.1    6.8  COMBINED wrt IGb00
 POTS     0.3    1.0    1.0    1.1    7.6    3.7  COMBINED wrt IGb00
 WTZR    -0.9    1.0    1.0    1.1    0.2    3.7  COMBINED wrt IGb00
 ONSA    -2.5    1.1   -1.0    1.1    6.2    3.9  COMBINED wrt IGb00
 NYAL     0.5    1.4   -4.0    1.5   13.8    6.2  COMBINED wrt IGb00
 NKLG    -2.3    1.8    2.1    2.8   -7.6    7.7  COMBINED wrt IGb00
 ZIMM     0.5    1.4   -1.9    1.4   14.8    5.0  COMBINED wrt IGb00
 GRAS    -2.4    1.5    3.0    1.3    2.7    4.9  COMBINED wrt IGb00
 WSRT     2.6    1.1   -1.0    1.2   -7.3    4.0  COMBINED wrt IGb00
 BRUS     3.7    1.2   -2.5    1.3   -4.7    4.7  COMBINED wrt IGb00
 Reference sites NOT used 
 NICO    -0.8    2.9    1.3    2.4    2.0   11.2  COMBINED wrt IGb00
 
 
 3.0 CENTER FITS TO IGb00
 CENTER COD
 -------------------
 VARIANCE RESCALING FACTOR FOR COD 1602.90
 
 Transformation of loose solution COD to IGb00
 -----------------------------------------------
 For   69 Sites, RMS after 7 parameter transformation   2.6 mm  COD wrt IGb00 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
  -14.9    7.9    -11.5    8.3    -14.8   11.0  -2.322  0.298  COD  CoM
RMS Fits of COD to IGb00
WRMS NEU   3.33   3.13   8.63 mm, NRMS   0.90   0.99   0.70 Num  67 COD IGb00
 
 Adjustments to core site positions for COD
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL     2.5    4.0    1.3    3.3   -3.8   12.4  COD wrt IGb00
 HOFN    -3.3    3.9    5.4    2.8   17.1   12.0  COD wrt IGb00
 MAS1    -1.6    3.7    1.0    3.8   -0.0   16.0  COD wrt IGb00
 STJO     0.8    3.8    0.5    3.1   -6.0   11.5  COD wrt IGb00
 CRO1     0.1    4.8    2.0    5.7   -5.4   26.2  COD wrt IGb00
 UNSA    -1.6    5.2   -0.3    4.5    0.8   16.3  COD wrt IGb00
 SCH2    -7.1    4.2   -2.4    2.9   -6.1   11.6  COD wrt IGb00
 RIOG    -0.5    5.5    1.9    3.5   -2.0   12.5  COD wrt IGb00
 SANT    -0.4    4.5    2.8    3.6    3.6   10.9  COD wrt IGb00
 WES2    -0.9    4.9   -1.1    4.1  -17.7   17.9  COD wrt IGb00
 NRC1     0.4    4.5   -1.0    3.4   -4.7   14.4  COD wrt IGb00
 ALGO    -2.2    4.2   -1.1    3.2   -4.7   13.2  COD wrt IGb00
 NLIB    -0.1    4.2   -0.8    3.8  -15.0   16.2  COD wrt IGb00
 CHUR    -3.6    3.8    0.4    2.7    0.2   11.1  COD wrt IGb00
 DUBO    -5.2    4.6    0.1    3.4   -2.5   14.7  COD wrt IGb00
 FLIN    -3.2    3.5   -0.0    2.6   -2.7    9.9  COD wrt IGb00
 MDO1     2.3    4.2   -2.4    4.0    5.3   16.8  COD wrt IGb00
 PIE1     3.9    3.9   -4.0    3.6   -7.1   14.3  COD wrt IGb00
 YELL    -2.4    4.7   -0.0    3.2    0.6   14.8  COD wrt IGb00
 GOLD     1.1    3.4    0.3    3.1   -2.9   10.7  COD wrt IGb00
 DRAO    -2.0    3.6   -1.9    2.8   -4.3   10.6  COD wrt IGb00
 THTI     1.9    3.9    0.7    4.7    1.1   14.4  COD wrt IGb00
 MKEA     2.7    4.4   -1.6    4.3  -12.9   15.7  COD wrt IGb00
 CHAT    -0.9    3.9    4.6    3.5   -9.0   14.0  COD wrt IGb00
 AUCK     1.2    3.3    3.5    3.2   -1.4   11.0  COD wrt IGb00
 MAC1     4.3    3.9    1.8    2.9  -13.9   12.2  COD wrt IGb00
 MAG0    -1.6    3.9   -6.4    3.1   12.0   10.1  COD wrt IGb00
 HOB2     1.2    3.4   -2.0    2.8  -10.0   11.7  COD wrt IGb00
 TOW2    -1.0    2.8   -1.7    3.0    5.1   10.9  COD wrt IGb00
 GUAM     3.5    3.6    4.1    3.5   -7.1   15.5  COD wrt IGb00
 YSSK   -16.1    3.4    1.5    2.6   10.6    8.7  COD wrt IGb00
 TSKB    -4.9    5.8   -3.7    4.7    5.8   20.3  COD wrt IGb00
 ALIC     1.2    3.0    1.1    2.9   -9.4   12.6  COD wrt IGb00
 CEDU    -0.7    2.9   -0.5    2.6   -0.0   11.2  COD wrt IGb00
 JAB1     4.8    3.0   -3.3    3.2  -10.4   13.3  COD wrt IGb00
 DARW     0.7    3.4    0.2    3.6   -9.4   15.7  COD wrt IGb00
 YAKT    -0.0    4.3   -7.8    3.0   -3.2   11.9  COD wrt IGb00
 TIXI    -0.6    4.1   -1.7    3.0   12.8   13.3  COD wrt IGb00
 KARR     0.2    2.7   -0.1    3.0   -8.1   10.8  COD wrt IGb00
 PERT    -5.8    3.2    0.1    3.1  -15.9   13.6  COD wrt IGb00
 CAS1    -0.0    3.9   -3.0    2.7   -4.6   12.4  COD wrt IGb00
 NTUS     4.3    3.1    3.2    3.3    5.7   11.4  COD wrt IGb00
 COCO    -0.4    2.7    1.6    2.9   -2.7    9.6  COD wrt IGb00
 URUM    -4.6    3.0    4.8    2.5   12.5    8.3  COD wrt IGb00
 IISC     3.2    3.2    6.6    3.7    4.0   13.0  COD wrt IGb00
 POL2     0.3    3.6    1.5    2.9   12.6   11.1  COD wrt IGb00
 DGAR    -1.7    3.0   -1.1    3.6    0.5   11.7  COD wrt IGb00
 KERG    -0.3    4.2   -1.0    3.4  -13.2   13.2  COD wrt IGb00
 KIT3    -0.5    4.4    2.2    4.0    3.2   17.1  COD wrt IGb00
 MAW1     0.8    4.2   -0.8    3.4   -2.1   13.2  COD wrt IGb00
 ARTU    -0.5    3.6    1.5    2.7    5.2   11.4  COD wrt IGb00
 BAHR     0.0    3.6    1.1    3.5   -6.6   14.9  COD wrt IGb00
 MALI    -4.2    4.5    0.5    4.9   -0.5   18.0  COD wrt IGb00
 NICO     0.5    3.6   -0.2    3.1    5.6   13.8  COD wrt IGb00
 GLSV     2.1    3.6    0.5    2.7    8.5   10.9  COD wrt IGb00
 HRAO    -5.3    5.0   -1.2    4.9    0.3   19.2  COD wrt IGb00
 LAMA     2.4    3.9    1.5    2.9   18.6   11.7  COD wrt IGb00
 TRO1    -5.2    3.4  -12.1    2.5   18.9   12.1  COD wrt IGb00
 BOR1     0.1    3.9   -1.1    2.9    7.8   12.6  COD wrt IGb00
 POTS     0.1    3.4   -0.3    2.6   11.3    9.9  COD wrt IGb00
 WTZR    -1.3    3.4   -0.3    2.7    8.4   10.2  COD wrt IGb00
 ONSA    -1.1    3.0   -1.2    2.4   10.4    8.8  COD wrt IGb00
 NKLG    -2.0    4.2   -1.6    4.8   -7.0   16.1  COD wrt IGb00
 ZIMM     0.0    4.3   -3.3    3.3   12.7   14.7  COD wrt IGb00
 GRAS    -2.5    3.8    1.7    3.0    5.7   12.2  COD wrt IGb00
 WSRT     1.9    3.4   -2.1    2.6   -2.1    9.3  COD wrt IGb00
 BRUS     2.8    3.7   -2.4    3.0   -2.1   12.1  COD wrt IGb00
 Reference sites NOT used 
 GRAZ    -0.1    7.4    0.4    5.5    7.9   25.2  COD wrt IGb00
 SYOG     1.5    7.4   -1.5    5.3    0.1   26.5  COD wrt IGb00
 
 CENTER EMR
 -------------------
 VARIANCE RESCALING FACTOR FOR EMR 92.05
 
 Transformation of loose solution EMR to IGb00
 -----------------------------------------------
 For   31 Sites, RMS after 7 parameter transformation   2.8 mm  EMR wrt IGb00 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
    4.2   17.5     -7.2   19.1      5.9   20.1  -3.486  0.477  EMR  CoM
RMS Fits of EMR to IGb00
WRMS NEU   3.95   2.63   8.96 mm, NRMS   0.99   0.75   0.61 Num  28 EMR IGb00
 
 Adjustments to core site positions for EMR
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 HOFN    -6.1    4.2    3.6    3.2    9.8   14.2  EMR wrt IGb00
 STJO    -0.1    3.8   -0.2    3.1   -2.2   12.8  EMR wrt IGb00
 KOUR     2.1    4.8    0.2    5.5   -9.0   20.4  EMR wrt IGb00
 THU3    -4.9    3.5   -1.4    2.8   12.8   17.0  EMR wrt IGb00
 NRC1    -0.8    3.6   -0.1    2.9   -6.3   12.8  EMR wrt IGb00
 ALGO    -3.1    3.6    0.5    2.9  -10.1   12.7  EMR wrt IGb00
 MDO1     1.9    3.5   -2.5    3.7    3.4   15.0  EMR wrt IGb00
 YELL    -2.5    4.4    0.5    3.1    4.4   14.0  EMR wrt IGb00
 DRAO    -2.8    3.9   -2.2    3.0   -7.4   12.3  EMR wrt IGb00
 THTI     4.3    4.0    0.4    4.3    6.1   15.6  EMR wrt IGb00
 MKEA     1.1    3.8   -1.2    4.0   -6.4   15.4  EMR wrt IGb00
 AUCK     3.9    3.7    5.0    3.8    0.8   14.4  EMR wrt IGb00
 MAC1     6.1    4.2    2.4    3.6  -12.1   14.8  EMR wrt IGb00
 GUAM     0.7    4.5    2.4    5.0  -10.9   19.6  EMR wrt IGb00
 YSSK   -13.1    4.4    2.9    3.3    8.1   13.2  EMR wrt IGb00
 JAB1     4.7    3.4   -1.8    3.6   -7.1   14.6  EMR wrt IGb00
 TIXI     0.7    4.0   -1.4    3.0   16.6   15.0  EMR wrt IGb00
 PERT    -5.7    3.3   -2.2    3.2  -10.2   13.6  EMR wrt IGb00
 CAS1     0.2    4.9   -6.5    3.9   -5.6   17.2  EMR wrt IGb00
 COCO    -2.3    3.5   -4.4    3.8   13.9   14.1  EMR wrt IGb00
 IISC     3.7    4.4    4.9    4.8   -3.0   18.6  EMR wrt IGb00
 POL2    -0.1    4.0    1.2    3.2    9.7   13.0  EMR wrt IGb00
 KERG     4.2    4.7   -4.1    4.5    5.6   15.7  EMR wrt IGb00
 ARTU    -2.0    4.2    3.3    2.9   14.8   12.6  EMR wrt IGb00
 TRAB    -1.8    4.1    1.6    3.5  -10.5   14.7  EMR wrt IGb00
 HRAO     0.1    5.3    2.8    5.5    5.2   19.7  EMR wrt IGb00
 MATE    -1.8    4.0   -3.1    3.7   -8.6   14.0  EMR wrt IGb00
 ONSA    -3.1    3.9   -2.3    3.1   -4.0   13.2  EMR wrt IGb00
 Reference sites NOT used 
 SYOG     5.3    8.1    0.5    7.1   -4.7   26.5  EMR wrt IGb00
 
 CENTER JPL
 -------------------
 VARIANCE RESCALING FACTOR FOR JPL 109.70
 
 Transformation of loose solution JPL to IGb00
 -----------------------------------------------
 For   46 Sites, RMS after 7 parameter transformation   3.0 mm  JPL wrt IGb00 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
   -0.1   13.5     -4.1   14.1      1.8   14.3  -1.356  0.394  JPL  CoM
RMS Fits of JPL to IGb00
WRMS NEU   3.77   3.10  10.26 mm, NRMS   0.93   0.88   0.67 Num  45 JPL IGb00
 
 Adjustments to core site positions for JPL
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL     4.7    4.6    0.2    4.1    0.3   17.2  JPL wrt IGb00
 MAS1    -1.6    4.9    0.3    5.1   -6.2   21.8  JPL wrt IGb00
 STJO    -0.2    3.9   -0.8    2.8  -13.6   12.4  JPL wrt IGb00
 KOUR    -0.0    4.3   -3.5    5.3   -0.2   21.2  JPL wrt IGb00
 LPGS    -1.1    5.2    1.0    4.5   19.2   23.2  JPL wrt IGb00
 CRO1    -3.5    4.0    1.8    4.5   12.5   20.3  JPL wrt IGb00
 SCH2    -7.3    4.1   -2.7    2.8  -12.8   12.9  JPL wrt IGb00
 RIOG    -0.6    4.9    1.5    3.4    4.5   13.7  JPL wrt IGb00
 SANT     0.1    4.1    3.6    3.4   14.4   13.9  JPL wrt IGb00
 ALGO    -4.2    3.8   -0.8    2.9  -10.2   13.0  JPL wrt IGb00
 DUBO    -5.8    4.4   -0.7    3.3    4.2   14.2  JPL wrt IGb00
 YELL    -1.3    4.5   -0.0    3.2    5.4   14.4  JPL wrt IGb00
 THTI     3.1    3.5   -2.7    4.3   10.4   15.2  JPL wrt IGb00
 CHAT     4.1    4.0    4.4    3.4    0.7   13.8  JPL wrt IGb00
 AUCK     4.3    3.7    6.3    3.3    2.5   13.9  JPL wrt IGb00
 NOUM     0.1    4.7    7.0    4.9   22.4   20.5  JPL wrt IGb00
 MAC1     6.4    4.2    3.0    2.9  -12.6   13.3  JPL wrt IGb00
 HOB2     4.0    3.6   -1.7    2.9  -21.1   12.6  JPL wrt IGb00
 TOW2     2.1    3.0   -1.3    3.1  -10.7   13.3  JPL wrt IGb00
 GUAM     0.0    3.5    0.6    3.8   -8.7   16.2  JPL wrt IGb00
 YSSK   -15.1    4.3   -0.3    3.1    2.6   13.3  JPL wrt IGb00
 TSKB    -3.4    3.7   -6.0    3.0    3.3   13.4  JPL wrt IGb00
 ALIC     2.6    3.6   -0.1    3.6  -12.5   16.3  JPL wrt IGb00
 CEDU     1.6    5.9   -0.5    5.4    4.8   24.8  JPL wrt IGb00
 DARW     4.8    3.1   -1.6    3.3   -6.6   14.0  JPL wrt IGb00
 YAKT     0.9    4.5   -7.9    3.0   -4.0   14.2  JPL wrt IGb00
 TIXI    -0.8    5.1   -2.9    3.5   15.3   19.9  JPL wrt IGb00
 KARR     5.4    3.0   -1.2    3.3  -19.5   13.8  JPL wrt IGb00
 PERT    -3.8    3.3   -1.6    3.2   -3.7   13.5  JPL wrt IGb00
 CAS1     0.0    4.8   -4.0    3.5   -7.4   16.7  JPL wrt IGb00
 COCO     1.0    3.0   -0.9    3.4    7.0   13.3  JPL wrt IGb00
 LHAS    -5.0    6.3    2.0    5.8   13.8   27.3  JPL wrt IGb00
 URUM    -5.1    5.7    6.0    4.3   12.4   18.7  JPL wrt IGb00
 DAV1    -0.2    4.3   -4.3    3.4  -10.2   15.6  JPL wrt IGb00
 DGAR     0.2    3.2    0.7    3.7    1.7   13.3  JPL wrt IGb00
 KERG     1.2    4.5   -3.3    3.7   -0.3   15.1  JPL wrt IGb00
 KIT3     0.0    3.9    3.4    3.4    3.9   14.5  JPL wrt IGb00
 ARTU    -1.4    4.1    3.4    2.9   18.9   12.4  JPL wrt IGb00
 TRAB     0.9    4.9    0.7    4.0   -5.3   17.8  JPL wrt IGb00
 SYOG     2.2    6.8   -3.2    5.2   -2.8   24.8  JPL wrt IGb00
 HRAO    -0.3    4.1   -1.6    4.3    4.5   17.7  JPL wrt IGb00
 WTZR    -0.4    3.8   -0.5    3.0  -10.2   12.4  JPL wrt IGb00
 ONSA    -2.7    3.9   -0.5    3.0    4.0   13.0  JPL wrt IGb00
 NKLG    -0.7    4.1    3.0    5.7   -1.0   17.6  JPL wrt IGb00
 Reference sites NOT used 
 MATE     0.3   10.1   -2.7    8.4   -8.9   35.0  JPL wrt IGb00
 
 CENTER MIT
 -------------------
 VARIANCE RESCALING FACTOR FOR MIT 16.20
 
 Transformation of loose solution MIT to IGb00
 -----------------------------------------------
 For   68 Sites, RMS after 7 parameter transformation   2.9 mm  MIT wrt IGb00 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
    1.5    7.0     -7.1    7.7     -4.8   14.0  -4.153  0.265  MIT  CoM
RMS Fits of MIT to IGb00
WRMS NEU   3.20   3.19   9.85 mm, NRMS   1.02   0.99   0.94 Num  68 MIT IGb00
 
 Adjustments to core site positions for MIT
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 SFER     5.5    3.7   -7.0    4.5    2.4   12.3  MIT wrt IGb00
 MAS1    -1.5    3.2    1.8    4.7    0.4   12.1  MIT wrt IGb00
 FORT    -0.8    3.1    0.2    4.0   11.2   15.5  MIT wrt IGb00
 STJO     0.2    3.2    1.7    3.0   -5.2    9.1  MIT wrt IGb00
 KOUR     1.5    3.3    1.2    4.2  -10.4   14.5  MIT wrt IGb00
 OHI2     7.2    4.2  -10.9    3.0   21.7   11.1  MIT wrt IGb00
 LPGS    -3.8    3.9   -0.8    3.7    6.3   19.2  MIT wrt IGb00
 CRO1    -2.8    3.3    4.1    3.9    4.5   18.9  MIT wrt IGb00
 UNSA    -6.3    4.3   -3.7    4.3    5.6   16.5  MIT wrt IGb00
 SCH2    -5.8    3.2   -1.5    2.8   -5.7    8.1  MIT wrt IGb00
 RIOG    -4.2    4.1   -0.2    3.1    6.9   10.3  MIT wrt IGb00
 THU3    -1.4    3.2   -0.7    2.7   14.4   10.0  MIT wrt IGb00
 SANT    -2.5    4.1   -1.6    3.7   -0.8   13.2  MIT wrt IGb00
 WES2    -2.8    3.5   -1.0    3.3  -13.6   13.2  MIT wrt IGb00
 NRC1    -0.6    3.1    0.5    2.8   -6.1    9.0  MIT wrt IGb00
 GODE    -3.3    3.2   -1.5    3.1  -16.5   11.0  MIT wrt IGb00
 ALGO    -2.3    2.4    0.7    2.1   -4.5    7.3  MIT wrt IGb00
 NLIB    -0.8    3.2   -1.3    3.2  -14.1   10.6  MIT wrt IGb00
 CHUR    -2.0    2.1    0.9    1.8    2.6    5.9  MIT wrt IGb00
 PIE1     2.5    3.3   -4.9    3.7  -11.4   11.9  MIT wrt IGb00
 YELL    -0.6    3.5    0.1    3.2    9.5    9.9  MIT wrt IGb00
 DRAO    -2.4    3.3   -1.0    3.3   -7.2    9.6  MIT wrt IGb00
 THTI     5.1    3.7   -1.7    4.8   11.2   13.7  MIT wrt IGb00
 MKEA     0.0    3.8    0.9    5.5  -15.2   15.7  MIT wrt IGb00
 CHAT     0.9    2.9    5.3    3.1    6.6    9.4  MIT wrt IGb00
 AUCK     2.1    2.7    5.2    3.2    6.0    8.9  MIT wrt IGb00
 MCM4    -3.8    2.9    3.9    2.7   -5.6   12.6  MIT wrt IGb00
 MAC1     1.0    2.8    2.3    2.5   -6.3    8.0  MIT wrt IGb00
 TIDB    -1.2    2.4   -1.1    2.7  -11.4    8.7  MIT wrt IGb00
 HOB2    -1.1    3.1   -1.0    2.9  -10.6   10.8  MIT wrt IGb00
 TOW2     0.4    2.4    0.1    2.9   -4.7    9.6  MIT wrt IGb00
 GUAM     5.0    4.2    5.0    4.9   -1.6   16.3  MIT wrt IGb00
 YSSK   -14.0    4.2   -0.9    4.1   12.6   10.4  MIT wrt IGb00
 TSKB    -5.3    4.4   -5.2    4.6   11.2   14.3  MIT wrt IGb00
 ALIC     1.3    2.2    0.1    2.4   -7.4    9.3  MIT wrt IGb00
 CEDU     0.4    2.3   -1.0    2.3    1.0    8.8  MIT wrt IGb00
 JAB1     7.5    2.5   -3.0    3.0  -11.5   11.3  MIT wrt IGb00
 DARW     1.8    2.6    0.4    3.0   -1.7   11.8  MIT wrt IGb00
 YAKT    -1.8    4.7   -7.6    4.2   -3.6   12.3  MIT wrt IGb00
 TIXI    -1.6    4.3   -4.1    3.8   16.7   11.0  MIT wrt IGb00
 KARR     1.9    2.4   -2.4    2.8   -9.7   10.2  MIT wrt IGb00
 PERT    -5.0    1.6   -2.6    1.6  -19.5    5.7  MIT wrt IGb00
 CAS1    -1.1    2.8   -4.0    2.3   -3.9    8.1  MIT wrt IGb00
 IRKT    -0.7    5.0   -0.8    3.9   -3.2   25.9  MIT wrt IGb00
 NTUS     5.8    3.8    0.9    4.6    3.5   16.9  MIT wrt IGb00
 COCO     2.2    1.8   -1.2    2.2   -8.2    6.3  MIT wrt IGb00
 LHAS    -3.6    4.0    2.1    3.8   13.1   13.6  MIT wrt IGb00
 DAV1     0.0    2.9   -5.7    2.7   -7.6    8.9  MIT wrt IGb00
 IISC     2.3    3.3    4.5    3.9    4.7   13.6  MIT wrt IGb00
 POL2     1.8    4.3    2.6    3.5   16.2    9.8  MIT wrt IGb00
 DGAR    -1.3    3.5   -1.8    3.9   -1.6   12.5  MIT wrt IGb00
 KERG     1.5    3.4   -4.0    3.3  -13.9   11.8  MIT wrt IGb00
 KIT3     2.0    4.2    2.4    3.8    7.1   13.5  MIT wrt IGb00
 MAW1     1.7    3.5   -2.6    3.6    1.6   10.4  MIT wrt IGb00
 ARTU    -0.5    4.2    4.0    4.1    1.0   10.2  MIT wrt IGb00
 BAHR    -2.1    3.5    5.6    4.5    3.9   12.2  MIT wrt IGb00
 MALI    -1.5    4.9    8.1    7.6   -4.7   25.5  MIT wrt IGb00
 HRAO    -2.6    4.0    2.7    5.3    1.7   15.3  MIT wrt IGb00
 JOZE     2.7    4.0    1.5    4.4   18.9   12.7  MIT wrt IGb00
 TRO1    -5.2    3.2   -9.2    3.7   16.0    9.7  MIT wrt IGb00
 BOR1    -1.8    3.4    1.5    3.5    6.8    9.8  MIT wrt IGb00
 MATE     0.4    3.9    1.2    4.7    6.5   13.0  MIT wrt IGb00
 WTZR    -2.0    3.5    2.8    3.7    5.0    9.7  MIT wrt IGb00
 ONSA    -1.5    3.9    1.2    4.3    7.7   10.5  MIT wrt IGb00
 NYAL     0.2    2.8   -1.4    3.3   15.6   10.4  MIT wrt IGb00
 NKLG    -2.0    4.3    4.7    7.2   -4.1   21.2  MIT wrt IGb00
 WSRT     2.6    4.2    1.7    4.8   -3.9   12.3  MIT wrt IGb00
 BRUS     2.3    3.5    0.6    3.8   -3.7   10.9  MIT wrt IGb00
 Reference sites NOT used 
 
 CENTER GFZ
 -------------------
 VARIANCE RESCALING FACTOR FOR GFZ 284.00
 
 Transformation of loose solution GFZ to IGb00
 -----------------------------------------------
 For   85 Sites, RMS after 7 parameter transformation   2.7 mm  GFZ wrt IGb00 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
   -0.1 8599.9     -0.5 8599.9      0.8 8599.9  -1.764  0.262  GFZ  CoM
RMS Fits of GFZ to IGb00
WRMS NEU   3.06   3.32   8.87 mm, NRMS   0.85   1.03   0.69 Num  85 GFZ IGb00
 
 Adjustments to core site positions for GFZ
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL     4.2    4.0    0.9    3.4    7.3   15.2  GFZ wrt IGb00
 SFER     5.7    4.6   -8.0    4.4   -4.8   16.2  GFZ wrt IGb00
 HOFN    -3.5    2.2    5.1    1.8   16.2    7.4  GFZ wrt IGb00
 MAS1    -1.1    3.7    1.9    4.0   -5.2   16.4  GFZ wrt IGb00
 FORT    -2.1    4.5    1.4    5.7    2.2   21.7  GFZ wrt IGb00
 STJO     1.5    4.2    0.6    3.2   -7.9   13.0  GFZ wrt IGb00
 KOUR     1.2    3.8    2.0    5.0  -10.8   20.2  GFZ wrt IGb00
 OHI2     8.3    4.5   -9.2    3.2   20.6   13.9  GFZ wrt IGb00
 LPGS    -2.0    5.9    1.5    5.2   10.2   25.2  GFZ wrt IGb00
 CRO1    -1.1    4.8    2.3    5.7   -4.5   25.3  GFZ wrt IGb00
 UNSA    -3.7    4.1    0.3    3.9    8.3   15.4  GFZ wrt IGb00
 SCH2    -6.3    4.6   -1.9    3.3   -8.0   13.8  GFZ wrt IGb00
 RIOG    -1.4    5.1    2.6    3.6    5.6   14.3  GFZ wrt IGb00
 THU3    -1.5    2.0   -1.2    1.7   17.4    8.8  GFZ wrt IGb00
 SANT    -0.7    4.1    3.0    3.4   14.8   12.8  GFZ wrt IGb00
 WES2    -1.2    4.9   -1.5    4.0  -15.7   18.2  GFZ wrt IGb00
 NRC1     0.4    3.1   -0.4    2.6   -6.9   10.2  GFZ wrt IGb00
 GODE    -1.9    3.8   -3.7    3.6  -13.7   13.5  GFZ wrt IGb00
 ALGO    -2.0    2.5   -0.5    2.0   -5.0    7.6  GFZ wrt IGb00
 MANA     2.4    5.2   -0.3    5.4  -12.0   20.6  GFZ wrt IGb00
 NLIB     0.3    4.4   -0.2    3.9  -15.2   16.2  GFZ wrt IGb00
 CHUR    -3.1    4.5   -0.1    3.3    2.2   13.5  GFZ wrt IGb00
 DUBO    -3.7    4.7   -0.9    3.5    1.2   14.6  GFZ wrt IGb00
 FLIN    -2.4    4.0   -0.4    3.0   -4.2   11.8  GFZ wrt IGb00
 MDO1     2.0    4.1   -3.8    4.0   -3.6   16.5  GFZ wrt IGb00
 PIE1     3.4    4.4   -4.3    4.0   -8.8   15.5  GFZ wrt IGb00
 YELL    -1.9    4.4   -1.2    3.1    1.5   13.9  GFZ wrt IGb00
 GOLD     0.5    3.6    1.0    3.3   -7.2   13.1  GFZ wrt IGb00
 DRAO    -2.9    3.9   -1.7    3.0  -12.1   11.4  GFZ wrt IGb00
 THTI     6.1    2.9   -0.7    3.8    8.4   11.3  GFZ wrt IGb00
 MKEA     0.9    3.8    2.5    4.4   12.6   15.2  GFZ wrt IGb00
 CHAT     2.0    2.6    4.5    2.5    3.7    7.9  GFZ wrt IGb00
 AUCK     3.4    2.9    4.8    2.8    2.3    9.8  GFZ wrt IGb00
 MCM4    -0.9    4.6    1.0    3.8   -5.4   24.7  GFZ wrt IGb00
 NOUM    -2.0    4.2    6.2    4.3   -5.9   16.8  GFZ wrt IGb00
 MAC1     3.3    2.7    2.0    2.0  -11.8    7.5  GFZ wrt IGb00
 PETP     0.3    4.1   -2.3    3.2    7.6   12.2  GFZ wrt IGb00
 MAG0     0.4    4.0   -5.6    2.9   13.1   11.8  GFZ wrt IGb00
 TIDB     0.4    2.8   -2.8    2.4   -5.4    9.4  GFZ wrt IGb00
 HOB2     1.0    3.7   -1.3    2.9   -9.5   11.6  GFZ wrt IGb00
 TOW2     1.1    3.1   -0.7    3.1    4.5   12.4  GFZ wrt IGb00
 GUAM     1.6    3.2    4.8    3.5   -5.7   14.2  GFZ wrt IGb00
 YSSK   -14.3    3.9    1.3    3.0    6.0   11.4  GFZ wrt IGb00
 TSKB    -4.7    4.0   -2.5    3.4   -3.7   14.4  GFZ wrt IGb00
 ALIC     1.1    3.2   -0.8    3.2    4.7   13.1  GFZ wrt IGb00
 CEDU     1.6    3.3   -2.6    3.0    8.8   12.7  GFZ wrt IGb00
 JAB1     6.6    3.3   -4.0    3.6   -0.8   13.8  GFZ wrt IGb00
 DARW     2.1    3.3   -1.1    3.7   -4.2   15.0  GFZ wrt IGb00
 YAKT     1.9    4.2   -7.8    2.9   -8.1   12.4  GFZ wrt IGb00
 TIXI    -0.3    3.6   -1.8    2.9    7.2   13.8  GFZ wrt IGb00
 KARR     1.0    3.3   -2.0    3.5   -4.5   13.7  GFZ wrt IGb00
 PERT    -4.2    3.7   -1.0    3.6  -15.6   14.6  GFZ wrt IGb00
 CAS1    -0.8    3.9   -1.8    3.0    4.0   13.3  GFZ wrt IGb00
 IRKT     2.0    9.2    0.2    6.1   -6.8   34.0  GFZ wrt IGb00
 NTUS     4.4    3.2   -0.4    3.7   -6.1   13.2  GFZ wrt IGb00
 COCO     1.4    3.0   -1.0    3.5   -0.5   12.1  GFZ wrt IGb00
 LHAS    -4.3    4.3    1.4    4.0   14.4   18.4  GFZ wrt IGb00
 URUM    -2.4    3.7    2.5    2.9    6.4   11.2  GFZ wrt IGb00
 DAV1    -0.3    3.7   -4.7    3.1   -4.0   13.0  GFZ wrt IGb00
 IISC     2.7    2.1    6.0    2.6   -3.3    8.7  GFZ wrt IGb00
 DGAR    -1.7    2.1   -0.5    2.5   -8.1    8.1  GFZ wrt IGb00
 KERG     0.4    4.7   -3.4    3.8  -17.3   14.5  GFZ wrt IGb00
 KIT3    -0.9    4.8    2.4    4.2   -0.7   18.3  GFZ wrt IGb00
 MAW1     4.5    6.3   -4.1    8.2   -0.2   17.1  GFZ wrt IGb00
 ARTU    -0.6    3.9    0.7    2.9   -3.0   12.3  GFZ wrt IGb00
 BAHR    -1.7    2.3    1.9    2.3    0.9    8.8  GFZ wrt IGb00
 MALI    -3.1    4.1    4.8    4.7   -0.3   17.9  GFZ wrt IGb00
 TRAB    -0.5    4.3    0.4    3.5   -2.4   14.4  GFZ wrt IGb00
 SYOG     4.3    7.8   -1.2    5.6   -6.2   29.8  GFZ wrt IGb00
 NICO    -1.2    4.8    2.1    4.1   -0.3   19.1  GFZ wrt IGb00
 HRAO    -3.4    4.7    4.9    6.0   16.2   19.6  GFZ wrt IGb00
 JOZE     5.5    4.9   -3.2    5.7   13.5   15.3  GFZ wrt IGb00
 TRO1    -5.9    3.5  -11.2    2.7   13.7   13.0  GFZ wrt IGb00
 BOR1    -1.7    4.7    2.0    5.5    1.1   14.7  GFZ wrt IGb00
 MATE    -0.1    3.7   -1.3    3.2   -0.5   12.3  GFZ wrt IGb00
 POTS    -0.3    3.7    1.0    2.9    1.7   11.1  GFZ wrt IGb00
 WTZR    -1.0    3.6    1.1    2.9   -1.5   10.9  GFZ wrt IGb00
 ONSA    -1.8    3.8    0.1    2.9    1.3   11.7  GFZ wrt IGb00
 NYAL     1.1    3.1   -2.5    2.7   13.2   16.7  GFZ wrt IGb00
 NKLG    -0.3    4.0    3.6    5.1  -10.5   17.7  GFZ wrt IGb00
 ZIMM    -0.2    3.9   -1.5    3.2   17.4   11.6  GFZ wrt IGb00
 GRAS    -2.3    3.9    3.1    3.3    3.2   12.2  GFZ wrt IGb00
 WSRT     1.8    4.0   -0.6    3.1   -8.1   12.2  GFZ wrt IGb00
 BRUS     1.8    4.2   -1.7    3.4   -4.4   13.9  GFZ wrt IGb00
 Reference sites NOT used 
 GLSV    -1.0   16.4    5.2   27.6    9.1   30.7  GFZ wrt IGb00
 GRAZ    -4.6   34.2    2.3   56.8   31.8   74.5  GFZ wrt IGb00
 
 CENTER SIO
 -------------------
 VARIANCE RESCALING FACTOR FOR SIO 9.80
 
 Transformation of loose solution SIO to IGb00
 -----------------------------------------------
 For   85 Sites, RMS after 7 parameter transformation   3.1 mm  SIO wrt IGb00 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
  -12.6    7.2     -0.7    7.2    -28.7   14.7  -2.521  0.277  SIO  CoM
RMS Fits of SIO to IGb00
WRMS NEU   3.58   3.72   8.29 mm, NRMS   1.31   1.04   1.01 Num  85 SIO IGb00
 
 Adjustments to core site positions for SIO
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL     1.3    6.1    1.6    6.3    3.3   15.0  SIO wrt IGb00
 VILL     4.3    6.3    0.3    7.5  -52.7  128.7  SIO wrt IGb00
 SFER     8.0    2.1   -6.8    3.0    5.1    6.7  SIO wrt IGb00
 HOFN    -3.6    2.8    3.2    4.0   22.2    8.2  SIO wrt IGb00
 MAS1     1.5    1.8   -0.1    3.2   -2.2    6.5  SIO wrt IGb00
 FORT     1.9    3.2    2.1    5.9    8.9   12.5  SIO wrt IGb00
 STJO     0.9    2.6   -0.5    3.6    4.6    7.5  SIO wrt IGb00
 KOUR     3.1    2.5    2.3    4.7  -10.1    9.5  SIO wrt IGb00
 LPGS    -3.2    5.4    1.4    7.7  -11.0   16.6  SIO wrt IGb00
 CRO1    -0.6    3.5    2.6    7.6    2.2   17.8  SIO wrt IGb00
 UNSA    -3.2    5.0   -3.1    8.6   -4.9   15.1  SIO wrt IGb00
 SCH2    -7.0    2.5   -3.0    3.2   -0.3    7.0  SIO wrt IGb00
 RIOG    -3.4    5.2   -2.0    6.6   -5.0   10.7  SIO wrt IGb00
 THU3    -4.6    6.7   -2.4    7.3   16.6   22.8  SIO wrt IGb00
 SANT     1.1    5.1    1.0    7.1  -13.7   12.4  SIO wrt IGb00
 WES2    -1.0    3.1   -1.1    4.9  -10.2   10.7  SIO wrt IGb00
 NRC1    -0.1    2.5   -2.4    3.7    0.0    7.6  SIO wrt IGb00
 GODE    -3.0    2.2   -4.7    3.1   -9.7    6.5  SIO wrt IGb00
 ALGO    -3.1    3.3    0.3    4.3  -10.3   10.4  SIO wrt IGb00
 MANA     5.4    4.7    6.1    9.9    0.2   19.5  SIO wrt IGb00
 NLIB    -1.6    2.9    1.6    4.3   -1.1    9.1  SIO wrt IGb00
 CHUR    -5.4    3.1    0.1    4.4    7.6    8.6  SIO wrt IGb00
 DUBO    -6.3    3.1   -0.7    4.9    9.9    8.9  SIO wrt IGb00
 FLIN    -4.9    3.0    0.2    4.0    3.1    8.0  SIO wrt IGb00
 MDO1     1.5    3.4    2.2    5.1   13.1   11.6  SIO wrt IGb00
 PIE1     2.2    2.9    0.9    4.7   -2.9    9.3  SIO wrt IGb00
 YELL    -3.7    3.2    3.3    3.6   12.6    8.1  SIO wrt IGb00
 DRAO    -3.5    1.8    3.0    2.3    0.5    4.3  SIO wrt IGb00
 THTI     7.9    3.6    4.5    7.2   -2.4   11.1  SIO wrt IGb00
 MKEA     4.8    2.9    1.5    5.0  -16.7    8.6  SIO wrt IGb00
 CHAT     2.4    4.5    1.2    6.2   -3.8   10.2  SIO wrt IGb00
 AUCK     4.2    2.5    0.5    3.9   -2.6    6.7  SIO wrt IGb00
 MCM4     1.0    2.9    0.9    3.1    0.6    9.7  SIO wrt IGb00
 NOUM    -1.2    3.4    3.3    6.2  -13.7   12.1  SIO wrt IGb00
 MAC1     4.0    3.8    2.0    4.7   -6.3    8.6  SIO wrt IGb00
 PETP     0.4    3.9   -6.7    5.2   -4.9   10.2  SIO wrt IGb00
 MAG0    -1.7    3.3  -10.4    4.1    7.4    8.0  SIO wrt IGb00
 TIDB     0.2    4.2   -1.8    5.6   -8.7    9.9  SIO wrt IGb00
 HOB2     3.3    2.5   -0.6    3.2  -10.3    6.9  SIO wrt IGb00
 TOW2     1.9    2.1   -1.0    3.5    1.8    6.8  SIO wrt IGb00
 GUAM     0.2    4.4    3.8    9.1   -5.3   16.4  SIO wrt IGb00
 YSSK   -15.7    3.1   -1.7    4.4    1.3    8.1  SIO wrt IGb00
 TSKB    -4.9    2.3   -4.7    3.4   -4.9    6.5  SIO wrt IGb00
 ALIC     1.0    2.0   -0.3    3.3   -4.8    6.8  SIO wrt IGb00
 CEDU     1.3    1.9    0.9    2.9    9.8    5.8  SIO wrt IGb00
 JAB1     6.8    2.3   -4.0    3.8  -12.5    8.0  SIO wrt IGb00
 DARW     1.4    2.2   -0.5    3.8    1.8    8.2  SIO wrt IGb00
 YAKT    -1.5    3.7   -1.0    4.7  -14.6    9.5  SIO wrt IGb00
 TIXI    -2.4    3.3   -4.4    3.6    5.4    8.3  SIO wrt IGb00
 KARR     0.5    2.1   -2.2    3.8   -6.0    7.1  SIO wrt IGb00
 PERT    -5.6    2.0   -1.1    3.2  -11.5    6.5  SIO wrt IGb00
 CAS1     2.5    3.2   -4.0    4.0    4.1    8.5  SIO wrt IGb00
 IRKT    -0.7    5.6   -4.0    8.0  -16.4   22.9  SIO wrt IGb00
 NTUS     1.1    4.1   -2.3    8.4    0.7   16.7  SIO wrt IGb00
 COCO    -1.1    2.9    3.0    6.0   -2.7   10.5  SIO wrt IGb00
 LHAS    -8.2    3.7   -0.2    7.5   -3.1   13.0  SIO wrt IGb00
 URUM    -5.6    3.1   11.4    5.0   -9.3    8.7  SIO wrt IGb00
 DAV1     2.1    2.9   -0.3    3.5    3.2    6.8  SIO wrt IGb00
 IISC    -0.8    3.1    5.2    5.8   -5.6   11.6  SIO wrt IGb00
 POL2    -2.0    2.2    2.5    3.2   -2.2    5.9  SIO wrt IGb00
 DGAR    -3.7    3.0    1.6    6.2  -11.2   11.4  SIO wrt IGb00
 KERG     0.3    2.2   -2.2    3.3    0.9    6.1  SIO wrt IGb00
 KIT3    -1.9    1.8    3.0    2.6   -5.7    5.6  SIO wrt IGb00
 MAW1     3.4    3.8   -3.1    5.2    6.9    9.3  SIO wrt IGb00
 ARTU    -1.5    3.2    0.6    4.4   -1.8    8.8  SIO wrt IGb00
 BAHR    -3.2    3.1    4.1    5.6    2.3   10.5  SIO wrt IGb00
 SYOG    -0.2    6.4   -0.9    7.5    1.4   20.4  SIO wrt IGb00
 GLSV     0.0    3.1    3.1    4.1    4.0    8.9  SIO wrt IGb00
 HRAO    -3.4    2.6   -3.2    3.8   -3.1    7.3  SIO wrt IGb00
 JOZE     1.6    2.9   -2.5    2.6   16.4    8.9  SIO wrt IGb00
 LAMA     1.1    2.1    3.5    2.0   15.3    6.1  SIO wrt IGb00
 TRO1    -6.1    1.9  -12.6    2.0   16.0    5.4  SIO wrt IGb00
 BOR1    -0.7    2.3    0.9    2.1    7.0    7.0  SIO wrt IGb00
 MATE    -0.1    2.0   -1.1    2.4    2.2    6.6  SIO wrt IGb00
 GRAZ     0.5    2.7    1.8    2.6    5.3    8.4  SIO wrt IGb00
 POTS     0.2    1.9    1.2    1.9    8.7    5.5  SIO wrt IGb00
 WTZR    -0.8    1.9    1.0    2.0    2.8    5.8  SIO wrt IGb00
 ONSA    -2.9    3.0   -0.7    3.2    6.1    8.3  SIO wrt IGb00
 NYAL    -0.3    3.2   -3.1    3.4   14.8    9.1  SIO wrt IGb00
 NKLG     0.9    4.9    1.5    9.4  -12.4   20.1  SIO wrt IGb00
 ZIMM     0.7    2.3   -1.2    2.3   16.3    7.0  SIO wrt IGb00
 GRAS    -2.0    2.0    3.4    2.2    4.6    6.4  SIO wrt IGb00
 WSRT     1.7    2.1   -0.9    2.1   -5.0    6.2  SIO wrt IGb00
 BRUS     3.5    2.4   -1.7    2.3   -1.9    7.7  SIO wrt IGb00
 Reference sites NOT used 
 
 CENTER NGS
 -------------------
 VARIANCE RESCALING FACTOR FOR NGS 649.00
 
 Transformation of loose solution NGS to IGb00
 -----------------------------------------------
 For   72 Sites, RMS after 7 parameter transformation   4.3 mm  NGS wrt IGb00 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
  -10.8   12.8    -17.9   12.3     27.3   40.3  -2.221  0.454  NGS  CoM
RMS Fits of NGS to IGb00
WRMS NEU   4.21   5.68  11.18 mm, NRMS   1.31   1.24   1.05 Num  67 NGS IGb00
 
 Adjustments to core site positions for NGS
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL    -2.8    4.5    0.4    4.8    5.1   12.3  NGS wrt IGb00
 HOFN    -2.1    2.3    2.2    3.7   22.7    9.3  NGS wrt IGb00
 MAS1    -3.0    4.6   -7.4    6.6  -15.6   13.8  NGS wrt IGb00
 STJO    -0.7    3.0    6.5    5.0   -4.0   10.1  NGS wrt IGb00
 OHI2     2.7    5.3  -10.2    5.4   18.3   13.2  NGS wrt IGb00
 LPGS    -7.8    5.9   -4.6    7.5   -1.5   16.8  NGS wrt IGb00
 UNSA    -9.8    6.2   -9.2    8.4  -16.1   16.0  NGS wrt IGb00
 SCH2    -5.8    2.7    4.7    4.2   -4.5    9.2  NGS wrt IGb00
 RIOG    -9.3    5.4   -5.7    5.8   -0.1   11.9  NGS wrt IGb00
 THU3    -3.6    2.6    1.3    2.9   23.7   10.2  NGS wrt IGb00
 SANT    -5.8    6.0  -11.5    7.1  -10.0   13.3  NGS wrt IGb00
 NRC1    -0.3    3.1    5.3    4.5   -4.5    9.8  NGS wrt IGb00
 GODE    -2.0    3.5    1.8    5.0  -20.9   10.9  NGS wrt IGb00
 ALGO    -1.2    3.1    4.0    4.5   -8.8   10.0  NGS wrt IGb00
 CHUR     1.1    3.0    6.7    4.2    1.1   10.4  NGS wrt IGb00
 FLIN     2.7    3.1    3.1    4.0    2.6    9.9  NGS wrt IGb00
 MDO1     8.2    4.9    8.2    6.7    2.2   13.9  NGS wrt IGb00
 PIE1    11.8    4.6    8.4    6.2   -5.0   13.6  NGS wrt IGb00
 YELL     4.1    3.1    4.7    3.8    8.2   10.2  NGS wrt IGb00
 DRAO     4.1    3.6    5.7    4.9   -5.2   10.8  NGS wrt IGb00
 CHAT    -3.1    3.9    4.4    5.9   -7.8   10.3  NGS wrt IGb00
 AUCK    -1.1    4.0   -0.7    5.6   -6.6   11.3  NGS wrt IGb00
 MCM4    -1.6    3.6    5.6    4.3   25.5   13.3  NGS wrt IGb00
 NOUM    -4.9    4.7   -1.9    6.1  -16.4   13.5  NGS wrt IGb00
 MAC1    -1.7    2.7    3.0    3.9   -7.2    9.1  NGS wrt IGb00
 PETP     7.6    4.0   -5.7    5.5  -13.2   11.1  NGS wrt IGb00
 TIDB    -2.4    2.9   -6.3    3.7    1.5    9.5  NGS wrt IGb00
 HOB2    -3.9    2.6   -2.6    3.5  -20.6    8.9  NGS wrt IGb00
 TOW2     2.1    3.7   -9.0    4.5   -6.7   10.7  NGS wrt IGb00
 TSKB     0.3    4.9   -3.8    6.6   -2.4   12.1  NGS wrt IGb00
 ALIC     1.5    2.9   -7.8    4.1   -2.3    9.8  NGS wrt IGb00
 CEDU    -0.2    2.6   -4.1    3.9    3.4    9.4  NGS wrt IGb00
 JAB1     7.3    3.7  -10.8    5.8   -9.1   13.3  NGS wrt IGb00
 DARW     2.2    3.5   -9.5    5.0    5.2   10.6  NGS wrt IGb00
 YAKT     2.4    3.6    0.9    4.3  -17.5   10.1  NGS wrt IGb00
 TIXI     3.7    3.4   -3.8    3.7   12.7   10.5  NGS wrt IGb00
 KARR     1.5    2.8   -7.7    4.8   -7.4    9.2  NGS wrt IGb00
 PERT    -6.9    2.7   -6.7    4.9  -12.0    9.8  NGS wrt IGb00
 CAS1    -3.7    3.3   -1.1    4.1    7.2   10.4  NGS wrt IGb00
 IRKT     0.4    3.6    4.2    6.3   -7.5   14.9  NGS wrt IGb00
 NTUS    -0.2    3.6    0.3    8.7    1.5   12.0  NGS wrt IGb00
 COCO    -2.5    3.3    4.8    6.0   13.5    9.1  NGS wrt IGb00
 LHAS    -8.3    3.2    8.3    6.2  -12.6   11.4  NGS wrt IGb00
 URUM    -1.8    3.6   14.1    7.2   -7.0   14.9  NGS wrt IGb00
 DAV1    -3.1    3.6    0.0    4.0    0.3   10.2  NGS wrt IGb00
 IISC    -5.5    3.5   12.9    5.8   -4.5   10.3  NGS wrt IGb00
 POL2     0.9    2.9    8.0    4.6   -6.1    8.8  NGS wrt IGb00
 DGAR   -11.8    4.1    8.3    7.4  -12.6   10.5  NGS wrt IGb00
 KERG    -1.3    4.0   -0.8    5.1    4.1   12.2  NGS wrt IGb00
 KIT3    -1.4    3.4    7.9    6.4   -6.3   14.2  NGS wrt IGb00
 MAW1    -2.8    3.7    0.6    4.2   10.2   10.4  NGS wrt IGb00
 ARTU     2.6    2.7    2.7    4.4   18.2    8.9  NGS wrt IGb00
 BAHR    -4.6    3.8    8.4    5.7  -10.3   11.2  NGS wrt IGb00
 TRAB     3.7    3.0    9.8    4.8    1.6   10.3  NGS wrt IGb00
 SYOG    -1.1    4.7   -1.0    6.1    6.6   16.7  NGS wrt IGb00
 GLSV     5.3    2.5    4.9    3.8    4.6    8.4  NGS wrt IGb00
 LAMA     5.6    2.2    1.6    3.4   20.3    8.2  NGS wrt IGb00
 MATE     1.9    3.2   -1.3    4.7   -3.3   10.8  NGS wrt IGb00
 GRAZ     7.6    3.3   -0.6    5.7    2.8   14.7  NGS wrt IGb00
 POTS     3.9    2.3   -0.3    3.5    8.7    8.3  NGS wrt IGb00
 WTZR     2.7    2.5    0.6    3.6   -5.8    8.6  NGS wrt IGb00
 ONSA     0.8    2.2   -6.2    3.4   10.4    8.4  NGS wrt IGb00
 NYAL     2.0    2.5   -8.7    2.9   19.1   10.7  NGS wrt IGb00
 ZIMM     3.5    3.4   -7.1    6.0   15.9   15.1  NGS wrt IGb00
 WSRT     6.5    2.4   -4.1    3.8  -10.6    9.1  NGS wrt IGb00
 BRUS     7.0    2.4   -9.5    3.8   -7.3    9.1  NGS wrt IGb00
 Reference sites NOT used 
 HRAO   -10.8   12.4    7.9   21.6  -15.8   22.9  NGS wrt IGb00
 NKLG    -7.2    7.8   -0.1   18.3  -18.0   19.9  NGS wrt IGb00
 
 
 4.0 CENTER FITS TO COMBINED SOLUTION 
 CENTER COD
 -------------------
 VARIANCE RESCALING FACTOR FOR COD 1602.90
 
 Transformation of loose solution COD to COMB
 -----------------------------------------------
 For   69 Sites, RMS after 7 parameter transformation   1.2 mm  COD wrt COMB 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
  -14.7    7.9    -12.1    8.3    -14.5   11.0  -2.231  0.298  COD  CoM
RMS Fits of COD to COMB
WRMS NEU   1.29   1.00   4.88 mm, NRMS   0.35   0.32   0.40 Num  67 COD COMB
 
 Adjustments to core site positions for COD
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL    -0.6    4.0    0.9    3.3   -5.4   12.4  COD wrt COMB
 HOFN    -0.4    3.9    0.7    2.8   -2.1   12.0  COD wrt COMB
 MAS1    -1.2    3.7    1.5    3.8    4.6   16.0  COD wrt COMB
 STJO    -0.3    3.8    0.4    3.1   -2.8   11.5  COD wrt COMB
 CRO1     1.4    4.8    0.0    5.7  -10.6   26.2  COD wrt COMB
 UNSA     1.8    5.2    0.5    4.5   -0.1   16.3  COD wrt COMB
 SCH2    -1.3    4.2   -0.4    2.9   -1.6   11.6  COD wrt COMB
 RIOG     1.9    5.5    1.1    3.5   -1.5   12.5  COD wrt COMB
 SANT    -0.4    4.5    1.4    3.6    0.8   10.9  COD wrt COMB
 WES2    -0.0    4.9    0.3    4.1   -3.0   17.9  COD wrt COMB
 NRC1     1.0    4.5    0.1    3.4   -0.1   14.4  COD wrt COMB
 ALGO     0.3    4.2   -0.3    3.2    1.7   13.2  COD wrt COMB
 NLIB     0.7    4.2   -0.5    3.8   -7.7   16.2  COD wrt COMB
 CHUR    -0.9    3.8    0.2    2.7   -2.6   11.1  COD wrt COMB
 DUBO    -0.3    4.6    0.5    3.4   -8.6   14.7  COD wrt COMB
 FLIN    -0.7    3.5    0.9    2.6   -3.2    9.9  COD wrt COMB
 MDO1     0.6    4.2   -0.5    4.0    0.4   16.8  COD wrt COMB
 PIE1     0.0    3.9   -1.8    3.6   -1.8   14.3  COD wrt COMB
 YELL    -0.9    4.7   -0.6    3.2   -7.5   14.8  COD wrt COMB
 GOLD     0.6    3.4   -1.2    3.1   -1.0   10.7  COD wrt COMB
 DRAO     1.0    3.6   -1.4    2.8   -0.7   10.6  COD wrt COMB
 THTI    -3.3    3.9   -0.1    4.7   -3.5   14.4  COD wrt COMB
 MKEA     0.1    4.4   -0.9    4.3    0.1   15.7  COD wrt COMB
 CHAT    -1.4    3.9   -0.5    3.5   -8.3   14.0  COD wrt COMB
 AUCK    -0.8    3.3   -0.9    3.2    0.7   11.0  COD wrt COMB
 MAC1     2.2    3.9   -0.9    2.9   -4.9   12.2  COD wrt COMB
 MAG0    -0.8    3.9    0.1    3.1    1.6   10.1  COD wrt COMB
 HOB2     1.3    3.4   -1.0    2.8    4.9   11.7  COD wrt COMB
 TOW2    -2.5    2.8   -0.3    3.0    5.6   10.9  COD wrt COMB
 GUAM     2.9    3.6    1.2    3.5   -1.6   15.5  COD wrt COMB
 YSSK    -1.3    3.4    0.2    2.6    5.9    8.7  COD wrt COMB
 TSKB    -1.1    5.8    0.2    4.7    7.8   20.3  COD wrt COMB
 ALIC    -0.5    3.0    1.5    2.9   -4.6   12.6  COD wrt COMB
 CEDU    -1.6    2.9    0.1    2.6   -5.3   11.2  COD wrt COMB
 JAB1    -2.0    3.0    0.4    3.2    1.1   13.3  COD wrt COMB
 DARW    -1.4    3.4    1.1    3.6   -8.9   15.7  COD wrt COMB
 YAKT     0.5    4.3   -2.6    3.0    7.1   11.9  COD wrt COMB
 TIXI    -0.5    4.1    1.4    3.0    2.2   13.3  COD wrt COMB
 KARR    -1.9    2.7    1.8    3.0    1.3   10.8  COD wrt COMB
 PERT    -0.4    3.2    1.7    3.1   -1.6   13.6  COD wrt COMB
 CAS1     1.1    3.9    0.3    2.7   -4.9   12.4  COD wrt COMB
 NTUS     1.4    3.1    2.5    3.3    5.1   11.4  COD wrt COMB
 COCO    -1.1    2.7    1.6    2.9   -5.6    9.6  COD wrt COMB
 URUM    -1.0    3.0   -0.2    2.5    9.5    8.3  COD wrt COMB
 IISC     2.5    3.2    0.1    3.7    5.3   13.0  COD wrt COMB
 POL2    -0.0    3.6   -0.1    2.9   12.2   11.1  COD wrt COMB
 DGAR     1.5    3.0   -1.2    3.6    7.2   11.7  COD wrt COMB
 KERG    -1.4    4.2    1.7    3.4   -9.0   13.2  COD wrt COMB
 KIT3    -0.1    4.4   -0.6    4.0    6.6   17.1  COD wrt COMB
 MAW1    -0.3    4.2    1.3    3.4   -4.8   13.2  COD wrt COMB
 ARTU    -0.1    3.6    0.0    2.7   -4.5   11.4  COD wrt COMB
 BAHR     2.3    3.6   -0.7    3.5   -6.1   14.9  COD wrt COMB
 MALI    -0.3    4.5   -1.1    4.9    5.2   18.0  COD wrt COMB
 NICO     0.7    3.6   -0.8    3.1    3.1   13.8  COD wrt COMB
 GLSV     0.2    3.6   -1.6    2.7    2.6   10.9  COD wrt COMB
 HRAO    -2.2    5.0   -0.3    4.9    1.1   19.2  COD wrt COMB
 LAMA     0.2    3.9   -0.8    2.9    1.4   11.7  COD wrt COMB
 TRO1     0.2    3.4   -0.0    2.5    2.5   12.1  COD wrt COMB
 BOR1     0.2    3.9   -1.0    2.9    2.1   12.6  COD wrt COMB
 POTS    -0.7    3.4   -0.7    2.6    3.0    9.9  COD wrt COMB
 WTZR    -0.9    3.4   -0.6    2.7    7.4   10.2  COD wrt COMB
 ONSA     0.9    3.0    0.3    2.4    3.5    8.8  COD wrt COMB
 NKLG    -0.4    4.2   -2.7    4.8   -0.0   16.1  COD wrt COMB
 ZIMM    -1.0    4.3   -0.8    3.3   -3.0   14.7  COD wrt COMB
 GRAS    -0.6    3.8   -0.6    3.0    2.1   12.2  COD wrt COMB
 WSRT    -1.2    3.4   -0.5    2.6    4.4    9.3  COD wrt COMB
 BRUS    -1.4    3.7    0.8    3.0    1.7   12.1  COD wrt COMB
 Reference sites NOT used 
 GRAZ    -2.8    7.4   -0.2    5.5    3.0   25.2  COD wrt COMB
 SYOG    -0.8    7.4    0.7    5.3    2.2   26.5  COD wrt COMB
 
 CENTER EMR
 -------------------
 VARIANCE RESCALING FACTOR FOR EMR 92.05
 
 Transformation of loose solution EMR to COMB
 -----------------------------------------------
 For   31 Sites, RMS after 7 parameter transformation   1.6 mm  EMR wrt COMB 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
    4.5   17.5     -7.2   19.1      5.4   20.1  -3.412  0.477  EMR  CoM
RMS Fits of EMR to COMB
WRMS NEU   1.81   1.51   6.09 mm, NRMS   0.46   0.43   0.42 Num  28 EMR COMB
 
 Adjustments to core site positions for EMR
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 HOFN    -2.5    4.2   -1.0    3.2   -8.6   14.2  EMR wrt COMB
 STJO    -0.2    3.8   -0.5    3.1    1.9   12.8  EMR wrt COMB
 KOUR     2.0    4.8   -0.3    5.5    1.2   20.4  EMR wrt COMB
 THU3    -1.9    3.5   -0.9    2.8   -6.6   17.0  EMR wrt COMB
 NRC1     0.8    3.6    0.7    2.9   -0.7   12.8  EMR wrt COMB
 ALGO     0.4    3.6    1.0    2.9   -2.5   12.7  EMR wrt COMB
 MDO1     1.3    3.5   -0.8    3.7   -0.5   15.0  EMR wrt COMB
 YELL    -0.6    4.4   -0.4    3.1   -2.5   14.0  EMR wrt COMB
 DRAO     0.9    3.9   -1.9    3.0   -2.6   12.3  EMR wrt COMB
 THTI     0.3    4.0    0.4    4.3    1.9   15.6  EMR wrt COMB
 MKEA    -0.7    3.8   -0.1    4.0    7.3   15.4  EMR wrt COMB
 AUCK     2.3    3.7    1.8    3.8    2.8   14.4  EMR wrt COMB
 MAC1     3.9    4.2    1.0    3.6   -3.7   14.8  EMR wrt COMB
 GUAM     0.2    4.5   -0.0    5.0   -5.4   19.6  EMR wrt COMB
 YSSK     1.7    4.4    1.8    3.3    3.8   13.2  EMR wrt COMB
 JAB1    -2.2    3.4    2.7    3.6    4.0   14.6  EMR wrt COMB
 TIXI     0.6    4.0    1.9    3.0    6.8   15.0  EMR wrt COMB
 PERT    -0.8    3.3    0.0    3.2    3.3   13.6  EMR wrt COMB
 CAS1     0.2    4.9   -2.7    3.9   -6.7   17.2  EMR wrt COMB
 COCO    -3.3    3.5   -4.1    3.8   10.3   14.1  EMR wrt COMB
 IISC     3.1    4.4   -1.4    4.8   -2.0   18.6  EMR wrt COMB
 POL2    -0.2    4.0   -0.1    3.2    9.4   13.0  EMR wrt COMB
 KERG     2.4    4.7   -1.7    4.5    8.9   15.7  EMR wrt COMB
 ARTU    -1.3    4.2    2.1    2.9    5.5   12.6  EMR wrt COMB
 TRAB    -3.0    4.1    0.4    3.5  -11.1   14.7  EMR wrt COMB
 HRAO     3.4    5.3    2.8    5.5    5.4   19.7  EMR wrt COMB
 MATE    -1.0    4.0   -0.8    3.7   -8.5   14.0  EMR wrt COMB
 ONSA    -0.4    3.9   -0.6    3.1  -10.4   13.2  EMR wrt COMB
 Reference sites NOT used 
 SYOG     2.4    8.1    1.6    7.1   -3.4   26.5  EMR wrt COMB
 
 CENTER JPL
 -------------------
 VARIANCE RESCALING FACTOR FOR JPL 109.70
 
 Transformation of loose solution JPL to COMB
 -----------------------------------------------
 For   46 Sites, RMS after 7 parameter transformation   1.8 mm  JPL wrt COMB 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
   -0.1   13.5     -4.5   14.1      2.4   14.3  -1.099  0.394  JPL  CoM
RMS Fits of JPL to COMB
WRMS NEU   1.59   1.35   7.86 mm, NRMS   0.39   0.38   0.52 Num  45 JPL COMB
 
 Adjustments to core site positions for JPL
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL     2.2    4.6   -0.8    4.1   -1.9   17.2  JPL wrt COMB
 MAS1    -1.1    4.9    1.0    5.1   -2.6   21.8  JPL wrt COMB
 STJO    -1.2    3.9   -0.8    2.8  -11.5   12.4  JPL wrt COMB
 KOUR    -1.4    4.3   -3.3    5.3    8.6   21.2  JPL wrt COMB
 LPGS     0.3    5.2   -0.2    4.5   14.3   23.2  JPL wrt COMB
 CRO1    -2.2    4.0    0.1    4.5    6.4   20.3  JPL wrt COMB
 SCH2    -1.4    4.1   -0.7    2.8   -9.6   12.9  JPL wrt COMB
 RIOG     2.4    4.9    1.3    3.4    4.4   13.7  JPL wrt COMB
 SANT     0.5    4.1    2.8    3.4   11.0   13.9  JPL wrt COMB
 ALGO    -1.7    3.8   -0.0    2.9   -5.0   13.0  JPL wrt COMB
 DUBO    -1.0    4.4   -0.3    3.3   -3.0   14.2  JPL wrt COMB
 YELL    -0.1    4.5   -0.7    3.2   -4.1   14.4  JPL wrt COMB
 THTI    -2.7    3.5   -2.7    4.3    4.9   15.2  JPL wrt COMB
 CHAT     2.7    4.0    0.2    3.4    0.6   13.8  JPL wrt COMB
 AUCK     1.3    3.7    2.6    3.3    3.8   13.9  JPL wrt COMB
 NOUM     2.5    4.7    2.7    4.9   28.8   20.5  JPL wrt COMB
 MAC1     3.3    4.2    0.9    2.9   -4.5   13.3  JPL wrt COMB
 HOB2     3.0    3.6   -0.2    2.9   -7.2   12.6  JPL wrt COMB
 TOW2    -0.5    3.0    0.6    3.1  -11.3   13.3  JPL wrt COMB
 GUAM    -1.6    3.5   -1.9    3.8   -4.6   16.2  JPL wrt COMB
 YSSK    -1.1    4.3   -1.4    3.1   -3.8   13.3  JPL wrt COMB
 TSKB    -0.5    3.7   -1.7    3.0    3.7   13.4  JPL wrt COMB
 ALIC    -0.3    3.6    0.6    3.6   -8.8   16.3  JPL wrt COMB
 CEDU    -0.5    5.9    0.4    5.4   -1.6   24.8  JPL wrt COMB
 DARW     1.5    3.1   -0.4    3.3   -7.4   14.0  JPL wrt COMB
 YAKT     0.8    4.5   -2.4    3.0    4.8   14.2  JPL wrt COMB
 TIXI    -1.3    5.1    0.5    3.5    3.1   19.9  JPL wrt COMB
 KARR     2.1    3.0    0.9    3.3  -11.3   13.8  JPL wrt COMB
 PERT     0.5    3.3    0.1    3.2    9.4   13.5  JPL wrt COMB
 CAS1    -0.0    4.8   -1.1    3.5   -8.4   16.7  JPL wrt COMB
 COCO    -0.8    3.0   -0.8    3.4    2.9   13.3  JPL wrt COMB
 LHAS     0.4    6.3    0.7    5.8   13.0   27.3  JPL wrt COMB
 URUM    -2.0    5.7    1.4    4.3    7.8   18.7  JPL wrt COMB
 DAV1    -0.9    4.3   -2.1    3.4   -8.9   15.6  JPL wrt COMB
 DGAR     2.7    3.2    0.6    3.7    7.2   13.3  JPL wrt COMB
 KERG    -0.4    4.5   -1.1    3.7    3.1   15.1  JPL wrt COMB
 KIT3     0.0    3.9    1.0    3.4    5.8   14.5  JPL wrt COMB
 ARTU    -1.3    4.1    2.3    2.9    7.7   12.4  JPL wrt COMB
 TRAB    -0.9    4.9   -0.3    4.0   -7.5   17.8  JPL wrt COMB
 SYOG    -0.1    6.8   -1.8    5.2   -1.3   24.8  JPL wrt COMB
 HRAO     2.6    4.1   -1.0    4.3    4.4   17.7  JPL wrt COMB
 WTZR     0.0    3.8   -0.6    3.0  -12.5   12.4  JPL wrt COMB
 ONSA    -0.6    3.9    1.3    3.0   -4.3   13.0  JPL wrt COMB
 NKLG     0.9    4.1    1.9    5.7    5.0   17.6  JPL wrt COMB
 Reference sites NOT used 
 MATE     0.3   10.1   -0.2    8.4  -10.5   35.0  JPL wrt COMB
 
 CENTER MIT
 -------------------
 VARIANCE RESCALING FACTOR FOR MIT 16.20
 
 Transformation of loose solution MIT to COMB
 -----------------------------------------------
 For   68 Sites, RMS after 7 parameter transformation   1.5 mm  MIT wrt COMB 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
    1.7    7.0     -6.8    7.7     -4.6   14.0  -3.956  0.265  MIT  CoM
RMS Fits of MIT to COMB
WRMS NEU   1.26   1.61   5.88 mm, NRMS   0.40   0.50   0.56 Num  68 MIT COMB
 
 Adjustments to core site positions for MIT
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 SFER    -2.0    3.7   -0.4    4.5   -0.7   12.3  MIT wrt COMB
 MAS1    -1.0    3.2    0.8    4.7    4.6   12.1  MIT wrt COMB
 FORT    -0.2    3.1   -0.5    4.0    5.4   15.5  MIT wrt COMB
 STJO    -1.3    3.2    0.6    3.0   -2.1    9.1  MIT wrt COMB
 KOUR    -0.0    3.3   -0.1    4.2   -0.8   14.5  MIT wrt COMB
 OHI2    -0.9    4.2   -3.2    3.0    2.2   11.1  MIT wrt COMB
 LPGS    -2.4    3.9   -3.4    3.7    1.8   19.2  MIT wrt COMB
 CRO1    -1.6    3.3    1.1    3.9   -0.6   18.9  MIT wrt COMB
 UNSA    -2.5    4.3   -3.9    4.3    4.7   16.5  MIT wrt COMB
 SCH2    -0.5    3.2   -0.3    2.8   -1.4    8.1  MIT wrt COMB
 RIOG    -0.9    4.1   -1.7    3.1    7.2   10.3  MIT wrt COMB
 THU3     0.2    3.2   -0.6    2.7   -6.3   10.0  MIT wrt COMB
 SANT    -1.9    4.1   -3.9    3.7   -3.6   13.2  MIT wrt COMB
 WES2    -2.3    3.5   -0.4    3.3    1.1   13.2  MIT wrt COMB
 NRC1    -0.5    3.1    0.8    2.8   -1.6    9.0  MIT wrt COMB
 GODE    -0.6    3.2    1.9    3.1   -1.3   11.0  MIT wrt COMB
 ALGO    -0.3    2.4    0.7    2.1    1.9    7.3  MIT wrt COMB
 NLIB    -0.5    3.2   -1.4    3.2   -6.7   10.6  MIT wrt COMB
 CHUR     0.0    2.1    0.3    1.8   -0.4    5.9  MIT wrt COMB
 PIE1    -1.7    3.3   -3.0    3.7   -6.0   11.9  MIT wrt COMB
 YELL     0.0    3.5   -0.5    3.2    1.2    9.9  MIT wrt COMB
 DRAO     0.0    3.3   -0.6    3.3   -3.6    9.6  MIT wrt COMB
 THTI     0.1    3.7   -2.3    4.8    6.5   13.7  MIT wrt COMB
 MKEA    -2.6    3.8    1.9    5.5   -2.5   15.7  MIT wrt COMB
 CHAT     0.4    2.9    0.8    3.1    6.8    9.4  MIT wrt COMB
 AUCK    -0.0    2.7    1.3    3.2    7.4    8.9  MIT wrt COMB
 MCM4    -3.0    2.9    2.0    2.7  -12.8   12.6  MIT wrt COMB
 MAC1    -1.4    2.8    0.1    2.5    1.8    8.0  MIT wrt COMB
 TIDB    -0.8    2.4    1.4    2.7   -9.9    8.7  MIT wrt COMB
 HOB2    -1.4    3.1    0.4    2.9    3.2   10.8  MIT wrt COMB
 TOW2    -1.3    2.4    1.7    2.9   -5.3    9.6  MIT wrt COMB
 GUAM     4.5    4.2    2.3    4.9    2.7   16.3  MIT wrt COMB
 YSSK     1.1    4.2   -1.8    4.1    6.8   10.4  MIT wrt COMB
 TSKB    -1.2    4.4   -1.1    4.6   12.1   14.3  MIT wrt COMB
 ALIC    -0.7    2.2    0.6    2.4   -3.8    9.3  MIT wrt COMB
 CEDU    -0.9    2.3   -0.4    2.3   -5.5    8.8  MIT wrt COMB
 JAB1     0.6    2.5    0.8    3.0   -1.2   11.3  MIT wrt COMB
 DARW    -0.6    2.6    1.3    3.0   -2.6   11.8  MIT wrt COMB
 YAKT    -0.8    4.7   -2.0    4.2    5.8   12.3  MIT wrt COMB
 TIXI    -1.0    4.3   -0.6    3.8    5.3   11.0  MIT wrt COMB
 KARR    -0.6    2.4   -0.6    2.8   -1.8   10.2  MIT wrt COMB
 PERT    -0.1    1.6   -1.1    1.6   -6.7    5.7  MIT wrt COMB
 CAS1    -0.9    2.8   -0.8    2.3   -5.3    8.1  MIT wrt COMB
 IRKT     0.5    5.0   -1.0    3.9    2.9   25.9  MIT wrt COMB
 NTUS     2.8    3.8   -0.2    4.6    1.4   16.9  MIT wrt COMB
 COCO     1.3    1.8   -1.6    2.2  -12.7    6.3  MIT wrt COMB
 LHAS     2.9    4.0    0.0    3.8   12.3   13.6  MIT wrt COMB
 DAV1    -0.8    2.9   -3.2    2.7   -6.7    8.9  MIT wrt COMB
 IISC     1.8    3.3   -2.7    3.9    4.5   13.6  MIT wrt COMB
 POL2     2.1    4.3    0.4    3.5   14.4    9.8  MIT wrt COMB
 DGAR     1.9    3.5   -2.7    3.9    3.5   12.5  MIT wrt COMB
 KERG    -0.1    3.4   -2.0    3.3  -10.9   11.8  MIT wrt COMB
 KIT3     3.0    4.2   -1.2    3.8    9.1   13.5  MIT wrt COMB
 MAW1    -0.2    3.5   -1.2    3.6   -2.2   10.4  MIT wrt COMB
 ARTU     0.6    4.2    1.9    4.1   -9.8   10.2  MIT wrt COMB
 BAHR     0.6    3.5    2.8    4.5    3.0   12.2  MIT wrt COMB
 MALI     2.6    4.9    5.2    7.6   -0.3   25.5  MIT wrt COMB
 HRAO     0.4    4.0    2.1    5.3    1.3   15.3  MIT wrt COMB
 JOZE    -0.2    4.0    4.1    4.4    2.1   12.7  MIT wrt COMB
 TRO1     0.7    3.2    1.8    3.7   -1.2    9.7  MIT wrt COMB
 BOR1    -1.3    3.4    0.4    3.5    0.3    9.8  MIT wrt COMB
 MATE     0.7    3.9    2.1    4.7    5.3   13.0  MIT wrt COMB
 WTZR    -1.4    3.5    1.2    3.7    3.2    9.7  MIT wrt COMB
 ONSA     0.9    3.9    1.5    4.3   -0.0   10.5  MIT wrt COMB
 NYAL    -0.3    2.8    2.0    3.3    0.2   10.4  MIT wrt COMB
 NKLG    -0.3    4.3    2.0    7.2    2.0   21.2  MIT wrt COMB
 WSRT    -0.2    4.2    2.1    4.8    1.8   12.3  MIT wrt COMB
 BRUS    -1.6    3.5    2.5    3.8   -0.6   10.9  MIT wrt COMB
 Reference sites NOT used 
 
 CENTER GFZ
 -------------------
 VARIANCE RESCALING FACTOR FOR GFZ 284.00
 
 Transformation of loose solution GFZ to COMB
 -----------------------------------------------
 For   85 Sites, RMS after 7 parameter transformation   1.4 mm  GFZ wrt COMB 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
   -0.1 8599.9     -0.5 8599.9      0.8 8599.9  -1.718  0.262  GFZ  CoM
RMS Fits of GFZ to COMB
WRMS NEU   1.07   1.15   5.59 mm, NRMS   0.30   0.36   0.44 Num  85 GFZ COMB
 
 Adjustments to core site positions for GFZ
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL     1.4    4.0   -0.7    3.4    5.9   15.2  GFZ wrt COMB
 SFER    -1.8    4.6   -0.7    4.4   -6.8   16.2  GFZ wrt COMB
 HOFN    -0.6    2.2   -0.1    1.8   -2.5    7.4  GFZ wrt COMB
 MAS1    -0.5    3.7    1.5    4.0    0.0   16.4  GFZ wrt COMB
 FORT    -1.2    4.5    1.2    5.7   -2.6   21.7  GFZ wrt COMB
 STJO     0.4    4.2   -0.0    3.2   -3.9   13.0  GFZ wrt COMB
 KOUR     0.1    3.8    1.2    5.0   -0.3   20.2  GFZ wrt COMB
 OHI2     0.5    4.5   -1.3    3.2    2.0   13.9  GFZ wrt COMB
 LPGS    -0.2    5.9   -0.8    5.2    6.5   25.2  GFZ wrt COMB
 CRO1     0.5    4.8   -0.2    5.7   -8.7   25.3  GFZ wrt COMB
 UNSA     0.6    4.1    0.6    3.9    8.2   15.4  GFZ wrt COMB
 SCH2    -0.6    4.6   -0.2    3.3   -2.7   13.8  GFZ wrt COMB
 RIOG     2.1    5.1    1.3    3.6    6.7   14.3  GFZ wrt COMB
 THU3     0.7    2.0   -0.7    1.7   -2.3    8.8  GFZ wrt COMB
 SANT     0.3    4.1    1.2    3.4   12.8   12.8  GFZ wrt COMB
 WES2    -0.2    4.9   -0.4    4.0   -0.2   18.2  GFZ wrt COMB
 NRC1     1.0    3.1    0.3    2.6   -1.5   10.2  GFZ wrt COMB
 GODE     1.3    3.8    0.1    3.6    2.4   13.5  GFZ wrt COMB
 ALGO     0.6    2.5   -0.1    2.0    2.3    7.6  GFZ wrt COMB
 MANA    -0.1    5.2   -1.8    5.4   -5.9   20.6  GFZ wrt COMB
 NLIB     1.2    4.4   -0.0    3.9   -7.0   16.2  GFZ wrt COMB
 CHUR    -0.4    4.5   -0.5    3.3    0.2   13.5  GFZ wrt COMB
 DUBO     1.1    4.7   -0.7    3.5   -3.9   14.6  GFZ wrt COMB
 FLIN    -0.0    4.0    0.3    3.0   -3.9   11.8  GFZ wrt COMB
 MDO1     0.4    4.1   -2.1    4.0   -7.6   16.5  GFZ wrt COMB
 PIE1    -0.4    4.4   -2.3    4.0   -2.6   15.5  GFZ wrt COMB
 YELL    -0.7    4.4   -1.8    3.1   -5.9   13.9  GFZ wrt COMB
 GOLD     0.0    3.6   -0.6    3.3   -4.5   13.1  GFZ wrt COMB
 DRAO    -0.0    3.9   -1.2    3.0   -7.7   11.4  GFZ wrt COMB
 THTI     1.2    2.9   -1.1    3.8    4.4   11.3  GFZ wrt COMB
 MKEA    -1.5    3.8    3.4    4.4   26.1   15.2  GFZ wrt COMB
 CHAT     1.6    2.6    0.1    2.5    4.6    7.9  GFZ wrt COMB
 AUCK     1.2    2.9    1.0    2.8    4.6    9.8  GFZ wrt COMB
 MCM4    -0.4    4.6   -0.8    3.8  -11.6   24.7  GFZ wrt COMB
 NOUM     1.3    4.2    1.7    4.3    1.6   16.8  GFZ wrt COMB
 MAC1     0.8    2.7   -0.1    2.0   -2.8    7.5  GFZ wrt COMB
 PETP    -2.4    4.1    2.3    3.2   13.7   12.2  GFZ wrt COMB
 MAG0     1.4    4.0    1.1    2.9    2.9   11.8  GFZ wrt COMB
 TIDB     0.7    2.8   -0.1    2.4   -2.9    9.4  GFZ wrt COMB
 HOB2     0.6    3.7    0.2    2.9    5.2   11.6  GFZ wrt COMB
 TOW2    -0.7    3.1    1.0    3.1    4.8   12.4  GFZ wrt COMB
 GUAM     0.9    3.2    2.0    3.5   -0.3   14.2  GFZ wrt COMB
 YSSK     0.5    3.9    0.1    3.0    1.3   11.4  GFZ wrt COMB
 TSKB    -0.8    4.0    1.4    3.4   -1.7   14.4  GFZ wrt COMB
 ALIC    -1.1    3.2   -0.3    3.2    9.2   13.1  GFZ wrt COMB
 CEDU     0.2    3.3   -1.9    3.0    3.2   12.7  GFZ wrt COMB
 JAB1    -0.5    3.3   -0.3    3.6   10.4   13.8  GFZ wrt COMB
 DARW    -0.4    3.3   -0.2    3.7   -4.0   15.0  GFZ wrt COMB
 YAKT     2.6    4.2   -2.5    2.9    2.4   12.4  GFZ wrt COMB
 TIXI    -0.0    3.6    1.4    2.9   -3.2   13.8  GFZ wrt COMB
 KARR    -1.7    3.3   -0.1    3.5    4.5   13.7  GFZ wrt COMB
 PERT     0.5    3.7    0.6    3.6   -1.8   14.6  GFZ wrt COMB
 CAS1    -0.8    3.9    1.5    3.0    3.6   13.3  GFZ wrt COMB
 IRKT     2.8    9.2   -0.0    6.1    0.4   34.0  GFZ wrt COMB
 NTUS     1.2    3.2   -1.4    3.7   -7.1   13.2  GFZ wrt COMB
 COCO     0.2    3.0   -1.4    3.5   -3.9   12.1  GFZ wrt COMB
 LHAS     1.8    4.3   -0.7    4.0   14.8   18.4  GFZ wrt COMB
 URUM     1.4    3.7   -2.8    2.9    3.2   11.2  GFZ wrt COMB
 DAV1    -1.2    3.7   -2.4    3.1   -2.1   13.0  GFZ wrt COMB
 IISC     2.0    2.1   -1.1    2.6   -2.3    8.7  GFZ wrt COMB
 DGAR     1.3    2.1   -1.2    2.5   -1.8    8.1  GFZ wrt COMB
 KERG    -1.3    4.7   -1.5    3.8  -13.3   14.5  GFZ wrt COMB
 KIT3    -0.3    4.8   -1.0    4.2    2.5   18.3  GFZ wrt COMB
 MAW1     2.6    6.3   -2.8    8.2   -3.0   17.1  GFZ wrt COMB
 ARTU     0.1    3.9   -1.2    2.9  -12.7   12.3  GFZ wrt COMB
 BAHR     0.6    2.3   -0.6    2.3    1.3    8.8  GFZ wrt COMB
 MALI     0.8    4.1    2.2    4.7    5.3   17.9  GFZ wrt COMB
 TRAB    -2.0    4.3   -1.6    3.5   -3.1   14.4  GFZ wrt COMB
 SYOG     1.6    7.8   -0.1    5.6   -4.1   29.8  GFZ wrt COMB
 NICO    -0.8    4.8    0.7    4.1   -2.8   19.1  GFZ wrt COMB
 HRAO    -0.3    4.7    4.5    6.0   17.0   19.6  GFZ wrt COMB
 JOZE     2.4    4.9   -0.1    5.7   -2.2   15.3  GFZ wrt COMB
 TRO1    -0.2    3.5    0.3    2.7   -2.4   13.0  GFZ wrt COMB
 BOR1    -1.3    4.7    1.4    5.5   -4.2   14.7  GFZ wrt COMB
 MATE     0.1    3.7    0.1    3.2   -0.5   12.3  GFZ wrt COMB
 POTS    -0.9    3.7   -0.1    2.9   -6.3   11.1  GFZ wrt COMB
 WTZR    -0.5    3.6    0.1    2.9   -2.1   10.9  GFZ wrt COMB
 ONSA     0.5    3.8    1.0    2.9   -5.3   11.7  GFZ wrt COMB
 NYAL     0.4    3.1    1.6    2.7   -1.1   16.7  GFZ wrt COMB
 NKLG     1.5    4.0    1.3    5.1   -3.3   17.7  GFZ wrt COMB
 ZIMM    -1.0    3.9    0.3    3.2    2.1   11.6  GFZ wrt COMB
 GRAS    -0.3    3.9    0.1    3.3    0.1   12.2  GFZ wrt COMB
 WSRT    -1.1    4.0    0.4    3.1   -1.2   12.2  GFZ wrt COMB
 BRUS    -2.2    4.2    0.8    3.4   -0.2   13.9  GFZ wrt COMB
 Reference sites NOT used 
 GLSV    -2.6   16.4    2.5   27.6    3.5   30.7  GFZ wrt COMB
 GRAZ    -7.1   34.2    0.9   56.8   27.2   74.5  GFZ wrt COMB
 
 CENTER SIO
 -------------------
 VARIANCE RESCALING FACTOR FOR SIO 9.80
 
 Transformation of loose solution SIO to COMB
 -----------------------------------------------
 For   85 Sites, RMS after 7 parameter transformation   1.4 mm  SIO wrt COMB 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
  -12.6    7.2     -0.9    7.2    -28.7   14.7  -2.423  0.277  SIO  CoM
RMS Fits of SIO to COMB
WRMS NEU   1.34   1.52   4.16 mm, NRMS   0.49   0.43   0.51 Num  85 SIO COMB
 
 Adjustments to core site positions for SIO
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL    -1.1    6.1    0.6    6.3    1.4   15.0  SIO wrt COMB
 VILL     0.8    6.3    0.3    7.5    4.3  128.7  SIO wrt COMB
 SFER     1.0    2.1    0.5    3.0    2.8    6.7  SIO wrt COMB
 HOFN    -0.3    2.8   -2.1    4.0    3.2    8.2  SIO wrt COMB
 MAS1     2.5    1.8   -0.4    3.2    2.8    6.5  SIO wrt COMB
 FORT     3.0    3.2    2.1    5.9    3.6   12.5  SIO wrt COMB
 STJO     0.0    2.6   -1.3    3.6    8.2    7.5  SIO wrt COMB
 KOUR     2.1    2.5    1.6    4.7   -0.1    9.5  SIO wrt COMB
 LPGS    -1.5    5.4   -0.4    7.7  -15.2   16.6  SIO wrt COMB
 CRO1     1.0    3.5   -0.0    7.6   -2.5   17.8  SIO wrt COMB
 UNSA     0.8    5.0   -2.6    8.6   -5.6   15.1  SIO wrt COMB
 SCH2    -1.1    2.5   -1.7    3.2    4.6    7.0  SIO wrt COMB
 RIOG    -0.3    5.2   -2.8    6.6   -4.5   10.7  SIO wrt COMB
 THU3    -2.3    6.7   -2.3    7.3   -3.4   22.8  SIO wrt COMB
 SANT     1.8    5.1   -0.5    7.1  -16.4   12.4  SIO wrt COMB
 WES2     0.1    3.1   -0.3    4.9    4.9   10.7  SIO wrt COMB
 NRC1     0.5    2.5   -2.0    3.7    5.0    7.6  SIO wrt COMB
 GODE     0.1    2.2   -1.1    3.1    5.9    6.5  SIO wrt COMB
 ALGO    -0.5    3.3    0.5    4.3   -3.4   10.4  SIO wrt COMB
 MANA     2.8    4.7    4.5    9.9    5.7   19.5  SIO wrt COMB
 NLIB    -0.8    2.9    1.4    4.3    6.7    9.1  SIO wrt COMB
 CHUR    -2.9    3.1   -0.6    4.4    5.1    8.6  SIO wrt COMB
 DUBO    -1.5    3.1   -0.8    4.9    4.3    8.9  SIO wrt COMB
 FLIN    -2.6    3.0    0.6    4.0    3.0    8.0  SIO wrt COMB
 MDO1    -0.3    3.4    3.6    5.1    8.6   11.6  SIO wrt COMB
 PIE1    -1.7    2.9    2.6    4.7    2.9    9.3  SIO wrt COMB
 YELL    -2.7    3.2    2.4    3.6    4.9    8.1  SIO wrt COMB
 DRAO    -0.8    1.8    3.1    2.3    4.5    4.3  SIO wrt COMB
 THTI     2.5    3.6    3.7    7.2   -6.9   11.1  SIO wrt COMB
 MKEA     2.1    2.9    2.2    5.0   -3.6    8.6  SIO wrt COMB
 CHAT     1.5    4.5   -3.6    6.2   -3.3   10.2  SIO wrt COMB
 AUCK     1.8    2.5   -3.9    3.9   -0.7    6.7  SIO wrt COMB
 MCM4     1.3    2.9   -1.6    3.1   -6.1    9.7  SIO wrt COMB
 NOUM     2.0    3.4   -1.6    6.2   -6.5   12.1  SIO wrt COMB
 MAC1     1.4    3.8   -0.8    4.7    2.3    8.6  SIO wrt COMB
 PETP    -2.6    3.9   -2.1    5.2    1.0   10.2  SIO wrt COMB
 MAG0    -1.0    3.3   -3.7    4.1   -3.0    8.0  SIO wrt COMB
 TIDB     0.5    4.2    0.2    5.6   -6.5    9.9  SIO wrt COMB
 HOB2     2.9    2.5    0.2    3.2    4.1    6.9  SIO wrt COMB
 TOW2     0.0    2.1    0.1    3.5    1.9    6.8  SIO wrt COMB
 GUAM    -0.5    4.4    0.8    9.1   -0.2   16.4  SIO wrt COMB
 YSSK    -1.0    3.1   -2.9    4.4   -3.6    8.1  SIO wrt COMB
 TSKB    -1.1    2.3   -0.7    3.4   -3.0    6.5  SIO wrt COMB
 ALIC    -1.1    2.0   -0.3    3.3   -0.4    6.8  SIO wrt COMB
 CEDU    -0.0    1.9    1.1    2.9    4.0    5.8  SIO wrt COMB
 JAB1    -0.2    2.3   -0.6    3.8   -1.4    8.0  SIO wrt COMB
 DARW    -0.9    2.2    0.0    3.8    1.8    8.2  SIO wrt COMB
 YAKT    -0.9    3.7    4.5    4.7   -4.3    9.5  SIO wrt COMB
 TIXI    -2.2    3.3   -0.9    3.6   -5.2    8.3  SIO wrt COMB
 KARR    -1.9    2.1   -0.8    3.8    2.8    7.1  SIO wrt COMB
 PERT    -0.5    2.0    0.0    3.2    2.2    6.5  SIO wrt COMB
 CAS1     3.0    3.2   -1.4    4.0    3.3    8.5  SIO wrt COMB
 IRKT     0.2    5.6   -4.0    8.0   -9.2   22.9  SIO wrt COMB
 NTUS    -1.8    4.1   -3.5    8.4   -0.3   16.7  SIO wrt COMB
 COCO    -1.8    2.9    2.4    6.0   -6.1   10.5  SIO wrt COMB
 LHAS    -1.8    3.7   -2.1    7.5   -2.7   13.0  SIO wrt COMB
 URUM    -1.5    3.1    6.3    5.0  -12.5    8.7  SIO wrt COMB
 DAV1     2.0    2.9    1.7    3.5    4.8    6.8  SIO wrt COMB
 IISC    -1.1    3.1   -1.8    5.8   -4.7   11.6  SIO wrt COMB
 POL2    -1.8    2.2    0.6    3.2   -2.8    5.9  SIO wrt COMB
 DGAR    -0.1    3.0    0.8    6.2   -4.9   11.4  SIO wrt COMB
 KERG    -0.7    2.2   -0.4    3.3    4.6    6.1  SIO wrt COMB
 KIT3    -0.9    1.8   -0.1    2.6   -2.5    5.6  SIO wrt COMB
 MAW1     2.2    3.8   -1.9    5.2    3.8    9.3  SIO wrt COMB
 ARTU    -0.5    3.2   -1.0    4.4  -11.5    8.8  SIO wrt COMB
 BAHR    -0.3    3.1    1.8    5.6    2.6   10.5  SIO wrt COMB
 SYOG    -2.2    6.4    0.4    7.5    3.2   20.4  SIO wrt COMB
 GLSV    -1.2    3.1    0.5    4.1   -1.7    8.9  SIO wrt COMB
 HRAO     0.3    2.6   -3.3    3.8   -2.6    7.3  SIO wrt COMB
 JOZE    -1.1    2.9    0.7    2.6    0.6    8.9  SIO wrt COMB
 LAMA    -0.4    2.1    0.7    2.0   -1.8    6.1  SIO wrt COMB
 TRO1    -0.0    1.9   -0.9    2.0   -0.3    5.4  SIO wrt COMB
 BOR1     0.1    2.3    0.4    2.1    1.5    7.0  SIO wrt COMB
 MATE     0.6    2.0    0.4    2.4    2.0    6.6  SIO wrt COMB
 GRAZ    -1.6    2.7    0.5    2.6    0.5    8.4  SIO wrt COMB
 POTS     0.1    1.9    0.1    1.9    0.5    5.5  SIO wrt COMB
 WTZR     0.2    1.9    0.0    2.0    2.0    5.8  SIO wrt COMB
 ONSA    -0.2    3.0    0.2    3.2   -0.7    8.3  SIO wrt COMB
 NYAL    -0.7    3.2    1.0    3.4    0.3    9.1  SIO wrt COMB
 NKLG     3.3    4.9   -0.6    9.4   -5.5   20.1  SIO wrt COMB
 ZIMM     0.3    2.3    0.7    2.3    0.8    7.0  SIO wrt COMB
 GRAS     0.5    2.0    0.4    2.2    1.3    6.4  SIO wrt COMB
 WSRT    -0.8    2.1    0.1    2.1    1.7    6.2  SIO wrt COMB
 BRUS    -0.0    2.4    0.8    2.3    2.1    7.7  SIO wrt COMB
 Reference sites NOT used 
 
 CENTER NGS
 -------------------
 VARIANCE RESCALING FACTOR FOR NGS 649.00
 
 Transformation of loose solution NGS to COMB
 -----------------------------------------------
 For   72 Sites, RMS after 7 parameter transformation   3.3 mm  NGS wrt COMB 
   X-tran  +-      Y-tran  +-      Z-tran   +-   Scale   +-
   (mm)   (mm)     (mm)   (mm)      (mm)   (mm)  (ppb)  (ppb)
  -10.9   12.8    -17.9   12.3     27.0   40.3  -2.226  0.454  NGS  CoM
RMS Fits of NGS to COMB
WRMS NEU   3.45   4.70   5.43 mm, NRMS   1.08   1.02   0.51 Num  67 NGS COMB
 
 Adjustments to core site positions for NGS
 SITE    dNorth  +-     dEast   +-    dUp    +- 
          (mm)  (mm)    (mm)   (mm)   (mm)  (mm)
 VESL    -4.8    4.5   -1.0    4.8    3.7   12.3  NGS wrt COMB
 HOFN     1.2    2.3   -3.0    3.7    4.8    9.3  NGS wrt COMB
 MAS1    -1.7    4.6   -7.6    6.6   -9.7   13.8  NGS wrt COMB
 STJO    -1.3    3.0    5.9    5.0    0.6   10.1  NGS wrt COMB
 OHI2    -4.8    5.3   -1.7    5.4   -0.3   13.2  NGS wrt COMB
 LPGS    -5.6    5.9   -6.3    7.5   -5.0   16.8  NGS wrt COMB
 UNSA    -5.2    6.2   -8.4    8.4  -16.1   16.0  NGS wrt COMB
 SCH2     0.2    2.7    6.2    4.2    1.4    9.2  NGS wrt COMB
 RIOG    -5.5    5.4   -6.2    5.8    1.0   11.9  NGS wrt COMB
 THU3    -1.2    2.6    1.6    2.9    4.7   10.2  NGS wrt COMB
 SANT    -4.5    6.0  -12.8    7.1  -11.9   13.3  NGS wrt COMB
 NRC1     0.7    3.1    6.0    4.5    1.5    9.8  NGS wrt COMB
 GODE     1.5    3.5    5.6    5.0   -4.3   10.9  NGS wrt COMB
 ALGO     1.6    3.1    4.4    4.5   -0.9   10.0  NGS wrt COMB
 CHUR     3.9    3.0    6.2    4.2   -0.3   10.4  NGS wrt COMB
 FLIN     5.2    3.1    3.7    4.0    3.5    9.9  NGS wrt COMB
 MDO1     6.8    4.9    9.9    6.7   -1.4   13.9  NGS wrt COMB
 PIE1     8.2    4.6   10.5    6.2    1.6   13.6  NGS wrt COMB
 YELL     5.3    3.1    4.0    3.8    1.4   10.2  NGS wrt COMB
 DRAO     7.1    3.6    6.1    4.9   -0.3   10.8  NGS wrt COMB
 CHAT    -3.9    3.9    0.0    5.9   -6.9   10.3  NGS wrt COMB
 AUCK    -3.5    4.0   -4.6    5.6   -4.4   11.3  NGS wrt COMB
 MCM4    -1.6    3.6    3.5    4.3   19.1   13.3  NGS wrt COMB
 NOUM    -1.6    4.7   -6.4    6.1   -8.9   13.5  NGS wrt COMB
 MAC1    -4.5    2.7    0.6    3.9    1.6    9.1  NGS wrt COMB
 PETP     4.8    4.0   -1.0    5.5   -6.5   11.1  NGS wrt COMB
 TIDB    -2.2    2.9   -3.9    3.7    4.0    9.5  NGS wrt COMB
 HOB2    -4.5    2.6   -1.5    3.5   -5.8    8.9  NGS wrt COMB
 TOW2     0.3    3.7   -7.5    4.5   -6.3   10.7  NGS wrt COMB
 TSKB     4.3    4.9    0.3    6.6    0.1   12.1  NGS wrt COMB
 ALIC    -0.6    2.9   -7.5    4.1    2.4    9.8  NGS wrt COMB
 CEDU    -1.6    2.6   -3.6    3.9   -2.1    9.4  NGS wrt COMB
 JAB1     0.3    3.7   -7.1    5.8    2.4   13.3  NGS wrt COMB
 DARW    -0.2    3.5   -8.8    5.0    5.6   10.6  NGS wrt COMB
 YAKT     3.1    3.6    6.4    4.3   -6.4   10.1  NGS wrt COMB
 TIXI     4.0    3.4   -0.3    3.7    3.0   10.5  NGS wrt COMB
 KARR    -0.9    2.8   -6.1    4.8    1.8    9.2  NGS wrt COMB
 PERT    -1.9    2.7   -5.5    4.9    1.9    9.8  NGS wrt COMB
 CAS1    -3.5    3.3    1.6    4.1    6.7   10.4  NGS wrt COMB
 IRKT     1.3    3.6    4.2    6.3    0.4   14.9  NGS wrt COMB
 NTUS    -3.0    3.6   -0.7    8.7    0.9   12.0  NGS wrt COMB
 COCO    -3.2    3.3    4.3    6.0   10.5    9.1  NGS wrt COMB
 LHAS    -1.7    3.2    6.5    6.2  -11.6   11.4  NGS wrt COMB
 URUM     2.4    3.6    9.1    7.2   -9.5   14.9  NGS wrt COMB
 DAV1    -3.5    3.6    1.8    4.0    2.2   10.2  NGS wrt COMB
 IISC    -5.7    3.5    6.0    5.8   -3.0   10.3  NGS wrt COMB
 POL2     1.2    2.9    6.2    4.6   -6.0    8.8  NGS wrt COMB
 DGAR    -8.2    4.1    7.5    7.4   -5.8   10.5  NGS wrt COMB
 KERG    -2.4    4.0    0.8    5.1    8.3   12.2  NGS wrt COMB
 KIT3    -0.3    3.4    4.8    6.4   -2.4   14.2  NGS wrt COMB
 MAW1    -4.1    3.7    1.5    4.2    7.5   10.4  NGS wrt COMB
 ARTU     3.7    2.7    1.1    4.4    9.3    8.9  NGS wrt COMB
 BAHR    -1.6    3.8    6.1    5.7   -9.3   11.2  NGS wrt COMB
 TRAB     2.9    3.0    8.0    4.8    1.7   10.3  NGS wrt COMB
 SYOG    -3.1    4.7   -0.1    6.1    8.8   16.7  NGS wrt COMB
 GLSV     4.3    2.5    2.4    3.8   -0.3    8.4  NGS wrt COMB
 LAMA     4.2    2.2   -1.1    3.4    4.1    8.2  NGS wrt COMB
 MATE     2.8    3.2    0.3    4.7   -2.5   10.8  NGS wrt COMB
 GRAZ     5.6    3.3   -1.8    5.7   -1.1   14.7  NGS wrt COMB
 POTS     3.9    2.3   -1.3    3.5    1.5    8.3  NGS wrt COMB
 WTZR     3.8    2.5   -0.3    3.6   -5.7    8.6  NGS wrt COMB
 ONSA     3.6    2.2   -5.1    3.4    4.5    8.4  NGS wrt COMB
 NYAL     1.6    2.5   -4.6    2.9    5.5   10.7  NGS wrt COMB
 ZIMM     3.3    3.4   -5.1    6.0    1.4   15.1  NGS wrt COMB
 WSRT     4.2    2.4   -3.0    3.8   -2.9    9.1  NGS wrt COMB
 BRUS     3.6    2.4   -6.9    3.8   -2.3    9.1  NGS wrt COMB
 Reference sites NOT used 
 HRAO    -6.8   12.4    7.5   21.6  -14.7   22.9  NGS wrt COMB
 NKLG    -4.5    7.8   -2.2   18.3  -10.3   19.9  NGS wrt COMB
 
 
 5.0 EOP ESIMATES FROM THE CONSTRAINED COMBINED SOLUTION
 
  MJD      Xpole   Ypole  UT1-UTC    LOD  Xsig  Ysig   UTsig  LODsig  Nr Nf Nt    Xrt    Yrt  Xrtsig  Yrtsig XYcorr XUTcor YUTcor
             (10**-6")       (0.1 usec)    (10**-6")     (0.1 usec)              (10**-6"/d)    (10**-6"/d)
53267.50  187169  455824 -45127046665623    87    95    9672     327 144  0  0   1419  -2313    154    164    0.009  0.000  0.000
53268.50  188778  453455 -45117896665622    81    88    9735     386 144  0  0   1809  -2402    125    131   -0.021  0.000  0.000
53269.50  190676  451137 -45091426665622    79    86    9812     439 144  0  0   1955  -2200    123    131   -0.015  0.000  0.000
53270.50  192560  449116 -45057236665622    80    86    9907     488 144  0  0   1766  -1841    122    127   -0.002  0.000  0.000
53271.50  194215  447497 -45029306665622    79    85   10025     531 144  0  0   1494  -1441    123    129   -0.014  0.000  0.000
53272.50  195286  445899 -45019346665623    77    85   10168     571 144  0  0    647  -1784    121    127   -0.015  0.000  0.000
53273.50  195710  443986 -45037106665623    78    82   10340     611 144  0  0    263  -2024    142    154    0.017 -0.000  0.000



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