[IGSREPORT-2417] Wk 0838 MIT T2 Analysis Report
Thomas
Thomas
Fri Feb 16 20:48:55 PST 1996
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IGS Electronic Report Fri Feb 16 20:48:55 PST 1996 Message Number 2417
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Author: Thomas Herring
Subject: Wk 0838 MIT T2 Analysis Report
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MIT ANALYSIS REPORT GPS-WEEK 0838 Dates: 96jan14 to 96jan20
********************************************************************************
MIT (Massachusetts Institute of Technology)
Room 54-618
77 Massachusetts Avenue,
Cambridge, MA 02139
e-mail: tah at mtglas.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
MIT0838T.SNX Combined sinex file from all available analysis centers
MIT0838T.SUM Name of this summary file
0.0 IMPORTANT NOTE:
We continue to apply the height adjustments reported in Week 0830 (corrected)
because some centers are not using the station log height values (IISC is
the one exception where the station log is incorrect). THU1 has been
corrected by SIO and this change is no longer needed.
1.0 Analysis Procedures:
(1) Each centers sinex solutions are de-constrained before
combination. Due to numerical stability different new constraints
are applied to different centers (see center report below):
(2) 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 ITRF1993
coordinates of the 13 core 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
Sig N Sig E Sig U
(m) (m) (m)
TROM 0.004 0.004 0.004
MADR 0.003 0.003 0.003
KOSG 0.003 0.003 0.005
WETT 0.002 0.002 0.003
HART 0.004 0.004 0.004
ALGO 0.003 0.003 0.003
YELL 0.003 0.003 0.004
GOLD 0.004 0.004 0.005
FAIR 0.003 0.003 0.003
KOKB 0.003 0.003 0.003
SANT 0.004 0.004 0.004
TIDB 0.004 0.004 0.004
YAR1 0.004 0.004 0.005
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) Individual Center comments:
EMR: (a) Constraints loosened to +-5 m for positions
JPL: (a) Constraints not changed. No constraints given SINEX file but
appear to be about 1 meter of the core sites.
(b) JPL files still continue have the leading zero's missing from
their dates. This problem has to be manually fixed each week.
GFZ: (a) Constraints loosened to +-5 m for positions.
COD: (a) Constraints loosened to +-5 m for positions.
SIO: (a) Constraints not changed since the center's constraints are
extremely weak.
NGS: (a) Constraints loosened to +-0.1 m for positions: Looser constraints
generate non-positive definite covariance matrices.
(b) NGS is mapping EISL to someother location. The UNE corrections
given the sinex are NOT correct (These never seem to be computed
correctly for any station with a horizontal displacement. We
have changed the position of the site by X 32.016 m, Y 12.485 m,
and Z -37.088 m. These values are for localtab.dat at the igscb.
(5) When the combined and center solutions are compared to ITRF93, the
heights are given a variance 10 times larger than the horizontal coordinates.
The same variance ratio is used when the RMS to ITRF93 core sites is
computed.
(6) 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.
(7) 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 ITRF93, 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 ITRF93.
The result of this is that the combined solution has the same center
of mass position and scale as ITRF93, and therefore when each of the
centers are compared to the combined solution, they generate very similar
translations and scales as they do the ITRF93. 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.
(8) HART has not been used in the core transformation becuase of poor
performance. KOSG was not used by any of the analyses centers this
week.
2.0 COMBINED FIT TO ITRF 1993
Transformation of loose solution COMBINED to ITRF93
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 6.3 mm COMBINED wrt ITRF93
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
13.6 3.1 8.4 3.1 -1.4 3.2 -0.851 0.959 COMBINED
Adjustments to core site positions for COMBINED
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR -6.3 0.9 3.8 1.0 20.4 3.7 COMBINED wrt ITRF93
SANT -0.6 1.5 7.0 2.0 25.8 4.2 COMBINED wrt ITRF93
ALGO 1.6 0.8 -6.6 1.0 -42.8 2.9 COMBINED wrt ITRF93
YELL -0.4 0.7 6.0 0.7 7.3 3.1 COMBINED wrt ITRF93
GOLD 6.7 0.7 -11.9 1.1 3.2 3.9 COMBINED wrt ITRF93
FAIR 8.2 0.8 -0.5 0.9 -7.1 4.0 COMBINED wrt ITRF93
KOKB -7.7 1.1 -6.5 2.0 -15.9 4.5 COMBINED wrt ITRF93
TIDB -5.9 0.9 14.9 1.6 -14.4 4.2 COMBINED wrt ITRF93
YAR1 10.2 0.9 -0.6 1.6 3.9 4.6 COMBINED wrt ITRF93
TROM 11.9 0.9 -14.3 0.9 7.6 4.0 COMBINED wrt ITRF93
WETT -5.8 0.8 3.6 0.9 12.0 3.5 COMBINED wrt ITRF93
Core sites NOT used
KOSG 3.1 37255.7 0.1 37255.7 4.0 37255.7 COMBINED wrt ITRF93
HART 25.9 4.1 7.0 10.7 -3.0 20.8 COMBINED wrt ITRF93
Additional Sites
FORT 3.6 1.6 13.7 2.7 -4.2 5.9 COMBINED wrt ITRF93
AREQ 11.9 1.3 4.3 2.2 3.9 4.5 COMBINED wrt ITRF93
MCM4 -11.3 2.1 1.1 2.4 -2.8 6.5 COMBINED wrt ITRF93
GUAM -7.1 1.4 10.1 3.3 -2.6 5.0 COMBINED wrt ITRF93
KIT3 6.3 1.5 -6.1 2.4 -3.0 3.9 COMBINED wrt ITRF93
3.0 CENTER FITS TO ITRF 1993
CENTER EMR
-------------------
VARIANCE RESCALING FACTOR FOR EMR 64.4674
Transformation of loose solution EMR to ITRF93
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 8.1 mm EMR wrt ITRF93
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
-54.8 3.9 163.2 3.9 26.4 4.1 0.630 1.235 EMR
Adjustments to core site positions for EMR
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR -2.4 6.2 3.0 9.2 16.5 22.6 EMR wrt ITRF93
SANT -7.2 10.5 8.3 13.9 3.9 26.2 EMR wrt ITRF93
ALGO 9.1 5.6 -12.8 9.9 -44.7 17.3 EMR wrt ITRF93
YELL 2.7 5.3 10.8 7.6 4.3 17.8 EMR wrt ITRF93
GOLD 11.0 5.0 -9.4 9.8 -6.2 22.2 EMR wrt ITRF93
FAIR 14.2 6.2 -6.7 10.0 -20.9 23.7 EMR wrt ITRF93
KOKB -2.7 7.6 1.3 13.6 -32.4 31.1 EMR wrt ITRF93
TIDB -12.2 6.2 16.5 10.5 31.9 26.3 EMR wrt ITRF93
YAR1 8.3 5.8 0.3 10.9 44.7 27.4 EMR wrt ITRF93
TROM 16.6 6.3 -28.7 9.1 -6.1 23.2 EMR wrt ITRF93
WETT -2.9 5.9 0.6 8.4 9.2 21.8 EMR wrt ITRF93
Core sites NOT used
KOSG 3.1 37255.7 0.1 37255.7 4.0 37255.7 EMR wrt ITRF93
HART 25.9 20.0 27.4 44.8 32.3 86.8 EMR wrt ITRF93
Additional Sites
FORT 13.1 10.1 -0.1 19.7 -48.4 43.6 EMR wrt ITRF93
AREQ 14.9 8.9 3.4 17.0 -37.5 28.6 EMR wrt ITRF93
MCM4 -3.7 12.2 -35.5 14.3 46.6 34.5 EMR wrt ITRF93
GUAM -12.1 10.0 -13.4 22.9 -2.9 34.3 EMR wrt ITRF93
KIT3 12.0 11.0 -18.1 17.3 -4.2 26.7 EMR wrt ITRF93
CENTER JPL
-------------------
VARIANCE RESCALING FACTOR FOR JPL 18.8148
Transformation of loose solution JPL to ITRF93
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 7.9 mm JPL wrt ITRF93
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
6.5 3.9 -21.2 3.8 3.8 4.0 -1.596 1.209 JPL
Adjustments to core site positions for JPL
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR -3.2 2.3 -2.2 3.8 -2.4 9.0 JPL wrt ITRF93
SANT -9.3 3.7 7.1 5.4 48.3 9.8 JPL wrt ITRF93
ALGO 4.8 2.2 5.3 4.0 -45.4 7.1 JPL wrt ITRF93
YELL 4.6 2.1 6.8 3.0 3.9 7.4 JPL wrt ITRF93
GOLD 10.9 2.0 -11.2 4.2 40.6 9.9 JPL wrt ITRF93
FAIR 10.3 2.2 -4.2 3.3 -4.4 8.5 JPL wrt ITRF93
KOKB -9.8 2.5 -8.7 4.8 -18.5 9.2 JPL wrt ITRF93
TIDB -10.0 2.2 13.3 4.2 -13.3 9.3 JPL wrt ITRF93
YAR1 10.6 2.2 2.0 4.3 -8.5 10.0 JPL wrt ITRF93
TROM 17.4 2.7 -17.8 4.0 -2.3 11.0 JPL wrt ITRF93
WETT -2.7 2.4 2.4 4.0 2.0 10.7 JPL wrt ITRF93
Core sites NOT used
HART 30.3 8.0 -16.4 19.0 -29.6 36.6 JPL wrt ITRF93
Additional Sites
FORT -2.8 4.5 18.7 9.7 -1.5 22.4 JPL wrt ITRF93
AREQ 5.1 3.1 15.0 6.6 3.6 10.3 JPL wrt ITRF93
GUAM -5.8 3.5 20.8 7.8 -9.0 10.5 JPL wrt ITRF93
KIT3 16.2 4.0 -3.5 6.7 -12.7 10.3 JPL wrt ITRF93
CENTER GFZ
-------------------
VARIANCE RESCALING FACTOR FOR GFZ 44.6216
Transformation of loose solution GFZ to ITRF93
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 6.5 mm GFZ wrt ITRF93
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
83.6 3.2 60.5 3.2 -6.6 3.3 -0.772 1.000 GFZ
Adjustments to core site positions for GFZ
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR -1.8 3.4 0.3 5.5 29.3 15.6 GFZ wrt ITRF93
SANT -0.6 5.2 2.7 7.2 15.8 17.1 GFZ wrt ITRF93
ALGO 3.9 3.2 -4.0 5.9 -54.4 14.9 GFZ wrt ITRF93
YELL 0.2 3.1 9.2 5.5 5.1 16.0 GFZ wrt ITRF93
GOLD 5.6 2.9 -10.2 6.6 -9.3 16.8 GFZ wrt ITRF93
FAIR 12.3 3.5 -1.4 5.2 -0.8 16.9 GFZ wrt ITRF93
KOKB -12.2 4.0 -7.0 7.6 -43.9 20.8 GFZ wrt ITRF93
TIDB -7.5 3.3 16.1 6.2 10.4 19.3 GFZ wrt ITRF93
YAR1 10.4 3.2 2.3 6.3 11.5 19.6 GFZ wrt ITRF93
TROM 11.4 3.5 -17.0 4.9 13.4 17.4 GFZ wrt ITRF93
WETT -3.4 3.4 3.4 4.9 23.0 15.4 GFZ wrt ITRF93
Core sites NOT used
Additional Sites
FORT 13.2 5.0 8.8 10.3 -38.7 24.5 GFZ wrt ITRF93
AREQ 14.0 4.5 6.1 10.0 -32.2 20.2 GFZ wrt ITRF93
MCM4 -22.3 6.2 -14.6 7.7 -5.2 27.9 GFZ wrt ITRF93
GUAM -12.9 5.1 -5.2 12.6 -21.8 20.7 GFZ wrt ITRF93
KIT3 11.3 5.6 -25.9 9.6 8.2 18.2 GFZ wrt ITRF93
CENTER COD
-------------------
VARIANCE RESCALING FACTOR FOR COD 17.2338
Transformation of loose solution COD to ITRF93
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 6.8 mm COD wrt ITRF93
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
1.8 3.3 -8.1 3.3 -2.5 3.5 -0.917 1.041 COD
Adjustments to core site positions for COD
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR -8.8 1.4 6.2 1.5 26.3 5.7 COD wrt ITRF93
SANT 2.7 2.6 6.4 3.5 16.3 6.7 COD wrt ITRF93
ALGO -1.3 1.1 -8.7 1.6 -48.2 5.1 COD wrt ITRF93
YELL -2.2 1.1 5.1 1.0 14.2 5.1 COD wrt ITRF93
GOLD 4.6 1.1 -14.4 1.6 -3.5 5.7 COD wrt ITRF93
FAIR 6.0 1.2 -0.3 1.3 -7.7 6.1 COD wrt ITRF93
KOKB -7.2 1.9 -4.1 3.2 -8.3 8.9 COD wrt ITRF93
TIDB -4.0 1.4 15.1 2.5 -21.4 6.9 COD wrt ITRF93
YAR1 10.2 1.4 -2.6 2.5 -4.6 7.6 COD wrt ITRF93
TROM 10.3 1.3 -11.9 1.3 18.9 6.4 COD wrt ITRF93
WETT -8.3 1.2 5.2 1.5 17.8 5.7 COD wrt ITRF93
Core sites NOT used
HART 20.0 7.0 -39.6 18.9 -30.2 33.8 COD wrt ITRF93
Additional Sites
FORT 5.5 2.6 17.4 4.7 -12.7 10.1 COD wrt ITRF93
AREQ 13.6 2.1 3.2 3.8 6.1 7.3 COD wrt ITRF93
MCM4 -9.1 3.9 14.0 4.0 4.4 10.3 COD wrt ITRF93
GUAM -7.2 2.5 4.6 5.2 5.5 9.3 COD wrt ITRF93
KIT3 1.7 2.4 -5.6 3.7 -5.5 6.9 COD wrt ITRF93
CENTER SIO
-------------------
VARIANCE RESCALING FACTOR FOR SIO 2.63349
Transformation of loose solution SIO to ITRF93
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 7.8 mm SIO wrt ITRF93
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
17.9 3.8 10.7 3.8 0.4 4.0 -1.641 1.193 SIO
Adjustments to core site positions for SIO
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR -5.7 1.9 -3.0 3.0 27.2 8.7 SIO wrt ITRF93
SANT -2.2 3.1 13.8 4.0 29.7 9.6 SIO wrt ITRF93
ALGO 3.8 1.7 -0.4 3.1 -36.8 5.6 SIO wrt ITRF93
YELL 0.7 1.7 6.8 2.4 5.8 6.0 SIO wrt ITRF93
GOLD 8.5 1.6 -11.3 3.4 -4.5 8.9 SIO wrt ITRF93
FAIR 7.1 1.9 -7.1 2.9 -3.0 9.4 SIO wrt ITRF93
KOKB -11.7 2.3 -15.9 3.8 -24.4 7.3 SIO wrt ITRF93
TIDB -6.4 1.8 21.5 3.3 -17.2 9.3 SIO wrt ITRF93
YAR1 13.1 1.9 4.3 3.5 10.2 10.5 SIO wrt ITRF93
TROM 11.3 1.9 -19.1 2.6 5.3 7.6 SIO wrt ITRF93
WETT -5.2 1.8 0.2 2.5 7.6 6.6 SIO wrt ITRF93
Core sites NOT used
HART 24.5 8.4 115.2 22.2 67.5 45.7 SIO wrt ITRF93
Additional Sites
FORT 1.4 3.3 17.3 5.2 12.6 8.8 SIO wrt ITRF93
AREQ 10.9 2.7 22.7 5.1 14.9 8.5 SIO wrt ITRF93
MCM4 -14.2 3.7 0.1 4.2 -11.9 10.1 SIO wrt ITRF93
GUAM -7.1 2.9 23.5 6.5 -1.3 8.6 SIO wrt ITRF93
KIT3 12.6 3.3 -4.7 4.9 -0.7 6.3 SIO wrt ITRF93
CENTER NGS
-------------------
VARIANCE RESCALING FACTOR FOR NGS 823.65
Transformation of loose solution NGS to ITRF93
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 11.6 mm NGS wrt ITRF93
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
-69.4 5.7 208.5 5.6 206.3 5.9 11.572 1.773 NGS
Adjustments to core site positions for NGS
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR -4.0 9.4 -2.1 13.3 19.5 23.4 NGS wrt ITRF93
SANT -53.7 23.9 8.7 29.1 -11.1 31.2 NGS wrt ITRF93
ALGO -4.6 8.3 -10.0 12.4 -13.7 11.8 NGS wrt ITRF93
YELL 15.2 9.0 14.3 11.2 17.0 17.3 NGS wrt ITRF93
GOLD 15.7 7.3 -9.0 13.1 -4.4 19.5 NGS wrt ITRF93
FAIR 29.9 11.6 -12.9 12.4 4.7 21.7 NGS wrt ITRF93
KOKB 3.5 12.0 -10.9 21.2 -11.6 30.7 NGS wrt ITRF93
TIDB -17.5 11.8 63.5 19.1 -22.5 34.6 NGS wrt ITRF93
YAR1 -2.1 10.9 -33.4 19.9 -21.9 38.3 NGS wrt ITRF93
TROM 39.6 10.8 -22.0 13.8 15.0 23.6 NGS wrt ITRF93
WETT 9.3 9.4 4.1 13.2 29.4 22.9 NGS wrt ITRF93
Core sites NOT used
HART 106.2 87.6 58.3 200.0 -75.2 734.2 NGS wrt ITRF93
Additional Sites
FORT -14.1 14.3 26.8 27.3 -16.6 39.7 NGS wrt ITRF93
AREQ -16.6 15.9 1.3 25.1 -17.8 31.4 NGS wrt ITRF93
MCM4 -47.1 31.9 78.9 38.9 16.6 31.1 NGS wrt ITRF93
GUAM 22.0 28.7 9.5 34.5 96.9 39.2 NGS wrt ITRF93
KIT3 20.2 19.2 22.2 23.5 49.0 28.3 NGS wrt ITRF93
4.0 CENTER FITS TO COMBINED SOLUTION
CENTER EMR
-------------------
VARIANCE RESCALING FACTOR FOR EMR 64.4674
Transformation of loose solution EMR to COMB
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 4.6 mm EMR wrt COMB
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
-54.8 2.3 163.1 2.3 26.4 2.4 0.629 0.711 EMR
Adjustments to core site positions for EMR
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR 3.9 6.2 -0.7 9.2 -3.9 22.6 EMR wrt COMB
SANT -6.6 10.5 1.3 13.9 -21.9 26.2 EMR wrt COMB
ALGO 7.6 5.6 -6.2 9.9 -1.9 17.3 EMR wrt COMB
YELL 3.2 5.3 4.7 7.6 -2.9 17.8 EMR wrt COMB
GOLD 4.3 5.0 2.5 9.8 -9.4 22.2 EMR wrt COMB
FAIR 6.0 6.2 -6.3 10.0 -13.8 23.7 EMR wrt COMB
KOKB 5.1 7.6 7.8 13.6 -16.6 31.1 EMR wrt COMB
TIDB -6.4 6.2 1.6 10.5 46.3 26.3 EMR wrt COMB
YAR1 -1.9 5.8 0.8 10.9 40.8 27.4 EMR wrt COMB
TROM 4.6 6.3 -14.4 9.1 -13.7 23.2 EMR wrt COMB
WETT 2.9 5.9 -3.0 8.4 -2.8 21.8 EMR wrt COMB
Core sites NOT used
KOSG 0.0 37255.7 0.0 37255.7 0.0 37255.7 EMR wrt COMB
HART 0.0 20.0 20.4 44.8 35.3 86.8 EMR wrt COMB
Additional Sites
FORT 9.5 10.1 -13.8 19.7 -44.2 43.6 EMR wrt COMB
AREQ 3.0 8.9 -0.9 17.0 -41.4 28.6 EMR wrt COMB
MCM4 7.6 12.2 -36.6 14.3 49.5 34.5 EMR wrt COMB
GUAM -5.0 10.0 -23.6 22.9 -0.3 34.3 EMR wrt COMB
KIT3 5.7 11.0 -12.0 17.3 -1.2 26.7 EMR wrt COMB
CENTER JPL
-------------------
VARIANCE RESCALING FACTOR FOR JPL 18.8148
Transformation of loose solution JPL to COMB
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 4.4 mm JPL wrt COMB
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
6.5 2.1 -21.2 2.1 3.8 2.2 -1.597 0.673 JPL
Adjustments to core site positions for JPL
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR 3.1 2.3 -6.0 3.8 -22.8 9.0 JPL wrt COMB
SANT -8.7 3.7 0.1 5.4 22.5 9.8 JPL wrt COMB
ALGO 3.3 2.2 11.8 4.0 -2.6 7.1 JPL wrt COMB
YELL 5.1 2.1 0.7 3.0 -3.3 7.4 JPL wrt COMB
GOLD 4.1 2.0 0.7 4.2 37.4 9.9 JPL wrt COMB
FAIR 2.0 2.2 -3.7 3.3 2.7 8.5 JPL wrt COMB
KOKB -2.0 2.5 -2.2 4.8 -2.7 9.2 JPL wrt COMB
TIDB -4.2 2.2 -1.6 4.2 1.1 9.3 JPL wrt COMB
YAR1 0.4 2.2 2.6 4.3 -12.3 10.0 JPL wrt COMB
TROM 5.4 2.7 -3.5 4.0 -9.9 11.0 JPL wrt COMB
WETT 3.1 2.4 -1.2 4.0 -10.0 10.7 JPL wrt COMB
Core sites NOT used
HART 4.4 8.0 -23.4 19.0 -26.6 36.6 JPL wrt COMB
Additional Sites
FORT -6.4 4.5 5.0 9.7 2.7 22.4 JPL wrt COMB
AREQ -6.9 3.1 10.8 6.6 -0.3 10.3 JPL wrt COMB
GUAM 1.3 3.5 10.6 7.8 -6.4 10.5 JPL wrt COMB
KIT3 9.9 4.0 2.6 6.7 -9.7 10.3 JPL wrt COMB
CENTER GFZ
-------------------
VARIANCE RESCALING FACTOR FOR GFZ 44.6216
Transformation of loose solution GFZ to COMB
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 2.3 mm GFZ wrt COMB
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
83.6 1.1 60.5 1.1 -6.6 1.2 -0.774 0.357 GFZ
Adjustments to core site positions for GFZ
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR 4.5 3.4 -3.5 5.5 8.9 15.6 GFZ wrt COMB
SANT 0.0 5.2 -4.2 7.2 -10.0 17.1 GFZ wrt COMB
ALGO 2.3 3.2 2.6 5.9 -11.5 14.9 GFZ wrt COMB
YELL 0.7 3.1 3.1 5.5 -2.2 16.0 GFZ wrt COMB
GOLD -1.1 2.9 1.7 6.6 -12.5 16.8 GFZ wrt COMB
FAIR 4.0 3.5 -0.9 5.2 6.3 16.9 GFZ wrt COMB
KOKB -4.5 4.0 -0.6 7.6 -28.1 20.8 GFZ wrt COMB
TIDB -1.7 3.3 1.3 6.2 24.8 19.3 GFZ wrt COMB
YAR1 0.3 3.2 2.8 6.3 7.6 19.6 GFZ wrt COMB
TROM -0.5 3.5 -2.7 4.9 5.8 17.4 GFZ wrt COMB
WETT 2.4 3.4 -0.2 4.9 11.0 15.4 GFZ wrt COMB
Core sites NOT used
Additional Sites
FORT 9.6 5.0 -4.9 10.3 -34.5 24.5 GFZ wrt COMB
AREQ 2.1 4.5 1.8 10.0 -36.1 20.2 GFZ wrt COMB
MCM4 -11.0 6.2 -15.7 7.7 -2.3 27.9 GFZ wrt COMB
GUAM -5.8 5.1 -15.3 12.6 -19.2 20.7 GFZ wrt COMB
KIT3 4.9 5.6 -19.8 9.6 11.2 18.2 GFZ wrt COMB
CENTER COD
-------------------
VARIANCE RESCALING FACTOR FOR COD 17.2338
Transformation of loose solution COD to COMB
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 2.1 mm COD wrt COMB
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
1.8 1.0 -8.1 1.0 -2.5 1.1 -0.919 0.319 COD
Adjustments to core site positions for COD
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR -2.5 1.4 2.4 1.5 5.9 5.7 COD wrt COMB
SANT 3.3 2.6 -0.5 3.5 -9.5 6.7 COD wrt COMB
ALGO -2.9 1.1 -2.2 1.6 -5.4 5.1 COD wrt COMB
YELL -1.7 1.1 -0.9 1.0 6.9 5.1 COD wrt COMB
GOLD -2.1 1.1 -2.4 1.6 -6.7 5.7 COD wrt COMB
FAIR -2.3 1.2 0.2 1.3 -0.6 6.1 COD wrt COMB
KOKB 0.6 1.9 2.3 3.2 7.6 8.9 COD wrt COMB
TIDB 1.9 1.4 0.2 2.5 -6.9 6.9 COD wrt COMB
YAR1 0.1 1.4 -2.0 2.5 -8.4 7.6 COD wrt COMB
TROM -1.6 1.3 2.4 1.3 11.2 6.4 COD wrt COMB
WETT -2.5 1.2 1.6 1.5 5.8 5.7 COD wrt COMB
Core sites NOT used
HART -5.9 7.0 -46.6 18.9 -27.2 33.8 COD wrt COMB
Additional Sites
FORT 1.9 2.6 3.7 4.7 -8.5 10.1 COD wrt COMB
AREQ 1.7 2.1 -1.1 3.8 2.2 7.3 COD wrt COMB
MCM4 2.3 3.9 12.9 4.0 7.2 10.3 COD wrt COMB
GUAM -0.1 2.5 -5.5 5.2 8.1 9.3 COD wrt COMB
KIT3 -4.6 2.4 0.5 3.7 -2.5 6.9 COD wrt COMB
CENTER SIO
-------------------
VARIANCE RESCALING FACTOR FOR SIO 2.63349
Transformation of loose solution SIO to COMB
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 3.4 mm SIO wrt COMB
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
17.9 1.7 10.6 1.6 0.4 1.7 -1.643 0.519 SIO
Adjustments to core site positions for SIO
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR 0.6 1.9 -6.8 3.0 6.8 8.7 SIO wrt COMB
SANT -1.6 3.1 6.8 4.0 3.9 9.6 SIO wrt COMB
ALGO 2.3 1.7 6.2 3.1 6.1 5.6 SIO wrt COMB
YELL 1.2 1.7 0.7 2.4 -1.5 6.0 SIO wrt COMB
GOLD 1.8 1.6 0.6 3.4 -7.7 8.9 SIO wrt COMB
FAIR -1.2 1.9 -6.7 2.9 4.1 9.4 SIO wrt COMB
KOKB -4.0 2.3 -9.4 3.8 -8.5 7.3 SIO wrt COMB
TIDB -0.6 1.8 6.7 3.3 -2.7 9.3 SIO wrt COMB
YAR1 3.0 1.9 4.9 3.5 6.4 10.5 SIO wrt COMB
TROM -0.7 1.9 -4.8 2.6 -2.4 7.6 SIO wrt COMB
WETT 0.6 1.8 -3.4 2.5 -4.5 6.6 SIO wrt COMB
Core sites NOT used
HART -1.5 8.4 108.2 22.2 70.4 45.7 SIO wrt COMB
Additional Sites
FORT -2.2 3.3 3.6 5.2 16.8 8.8 SIO wrt COMB
AREQ -1.0 2.7 18.4 5.1 11.0 8.5 SIO wrt COMB
MCM4 -2.9 3.7 -1.0 4.2 -9.0 10.1 SIO wrt COMB
GUAM 0.0 2.9 13.4 6.5 1.4 8.6 SIO wrt COMB
KIT3 6.2 3.3 1.3 4.9 2.3 6.3 SIO wrt COMB
CENTER NGS
-------------------
VARIANCE RESCALING FACTOR FOR NGS 823.65
Transformation of loose solution NGS to COMB
-----------------------------------------------
For 11 Sites, RMS after 7 parameter transformation 9.6 mm NGS wrt COMB
X-tran +- Y-tran +- Z-tran +- Scale +-
(mm) (mm) (mm) (mm) (mm) (mm) (ppb) (ppb)
-69.4 4.7 208.5 4.7 206.3 4.9 11.570 1.469 NGS
Adjustments to core site positions for NGS
SITE dNorth +- dEast +- dUp +-
(mm) (mm) (mm) (mm) (mm) (mm)
MADR 2.3 9.4 -5.8 13.3 -0.8 23.4 NGS wrt COMB
SANT -53.1 23.9 1.8 29.1 -36.9 31.2 NGS wrt COMB
ALGO -6.2 8.3 -3.5 12.4 29.2 11.8 NGS wrt COMB
YELL 15.7 9.0 8.2 11.2 9.8 17.3 NGS wrt COMB
GOLD 9.0 7.3 3.0 13.1 -7.6 19.5 NGS wrt COMB
FAIR 21.6 11.6 -12.4 12.4 11.8 21.7 NGS wrt COMB
KOKB 11.2 12.0 -4.5 21.2 4.2 30.7 NGS wrt COMB
TIDB -11.7 11.8 48.6 19.1 -8.0 34.6 NGS wrt COMB
YAR1 -12.3 10.9 -32.8 19.9 -25.8 38.3 NGS wrt COMB
TROM 27.7 10.8 -7.7 13.8 7.4 23.6 NGS wrt COMB
WETT 15.1 9.4 0.5 13.2 17.3 22.9 NGS wrt COMB
Core sites NOT used
HART 80.3 87.6 51.3 200.0 -72.2 734.2 NGS wrt COMB
Additional Sites
FORT -17.7 14.3 13.1 27.3 -12.3 39.7 NGS wrt COMB
AREQ -28.5 15.9 -2.9 25.1 -21.7 31.4 NGS wrt COMB
MCM4 -35.8 31.9 77.8 38.9 19.5 31.1 NGS wrt COMB
GUAM 29.1 28.7 -0.7 34.5 99.5 39.2 NGS wrt COMB
KIT3 13.8 19.2 28.3 23.5 52.0 28.3 NGS wrt COMB
[Mailed From: Tom Herring <tah at mtglas.mit.edu>]
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