Subject: [Sirgas-Mail] No.3241: IBGE SIRGAS combination report for week 2148 From: Sonia Maria Alves Costa RESULTS -------------------------------------------------------------------------------------------------- 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2148S.SNX covariance matrix loosely constrained weekly combination ibg21P2148.snx covariance matrix constrained weekly combination IBG2148S.SUM summary of combination (text file) ibg21P2148.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- None -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- MANA ECU -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- AMTE 48091M001 INE Large residuals in East: 15.29 mm PASM 48063M001 INE Large residuals in North:13.64 mm PASM 48063M001 INE Large residuals in East: 26.17 mm -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 90 1.61 0.65 1.538 DGF 221 1.64 0.67 1.493 ECU 117 1.59 0.64 1.563 GNA 114 0.12 0.01 100.000 IBG 208 1.67 0.70 1.429 IGA 109 1.52 0.58 1.724 INE 48 0.15 0.01 100.000 URY 102 1.67 0.70 1.429 USC 94 1.54 0.59 1.695 -------------------------------------------------------------------------------------------------- COMBINATION 378 1.62 0.66 ----- * A posteriori RMS of unit weight 6)RMS WITH RESPECT TO SOLUTION in mm -------------------------------------------------------------------------------------------------- Solution. N E U -------------------------------------------------------------------------------------------------- IGS14 core stations (25) 0.80 0.60 0.84 All IGS stations (75) 1.05 1.10 3.43 7)RMS WITH RESPECT TO IBG21P2147 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (374) 0.95 1.01 3.03 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00133 0.0013 -0.0043 -0.0016 0.0000 0.0000 0.0000 -0.00028 DGF 0.00103 -0.0001 0.0009 0.0002 0.0000 0.0000 0.0000 0.00012 ECU 0.00125 -0.0046 -0.0045 -0.0021 0.0000 0.0001 -0.0002 -0.00019 GNA 0.00272 -0.0024 -0.0012 -0.0032 0.0000 0.0001 -0.0001 0.00003 IBG 0.00164 -0.0012 -0.0003 -0.0068 0.0002 0.0001 0.0000 -0.00005 IGA 0.00095 0.0027 -0.0039 -0.0007 0.0001 0.0000 0.0001 -0.00003 INE 0.00516 -0.0048 0.0021 0.0194 -0.0006 -0.0003 -0.0001 -0.00236 URY 0.00130 -0.0034 -0.0013 0.0134 -0.0003 -0.0003 -0.0001 0.00021 USC 0.00192 0.0046 -0.0002 -0.0007 0.0000 -0.0001 0.0001 -0.00006 ================================================ Sonia Costa Coordenao de Geodsia - CGED Instituto Brasileiro de Geografia e Estatstica - IBGE Tel: 21 21424985 / 21 21424986

RESULTS

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1)RESULT FILES

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IBG2148S.SNX        covariance matrix loosely constrained weekly combination

ibg21P2148.snx      covariance matrix constrained weekly combination

IBG2148S.SUM        summary of combination (text file)

ibg21P2148.crd      coordinates from week combination

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2)EQUIPMENT INCONSISTENCIES

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Station             PC        Comments

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None

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3)MISSING STATIONS

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Station        PC          Comments

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MANA          ECU

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4)EXCLUDED STATIONS

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Station             PC        Comments

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AMTE 48091M001     INE        Large residuals in East: 15.29 mm

PASM 48063M001     INE        Large residuals in North:13.64 mm 

PASM 48063M001     INE        Large residuals in East: 26.17 mm

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5)STATISTICS OF COMBINATION

Sol   No. STATIONS  Rms (mm)*  Chi**2/DOF  1/(Chi**2/DOF)

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CHL          90       1.61         0.65         1.538

 DGF         221       1.64         0.67         1.493

 ECU         117       1.59         0.64         1.563

 GNA         114       0.12         0.01         100.000

 IBG         208       1.67         0.70         1.429

 IGA         109       1.52         0.58         1.724

 INE          48       0.15         0.01         100.000

 URY         102       1.67         0.70         1.429

 USC          94       1.54         0.59         1.695

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COMBINATION  378       1.62         0.66         -----

 

*  A posteriori RMS of unit weight

 

6)RMS WITH RESPECT TO  SOLUTION in mm

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Solution.                  N         E         U

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IGS14 core stations  (25) 0.80      0.60      0.84

All IGS stations     (75) 1.05      1.10      3.43

 

 

7)RMS WITH RESPECT TO IBG21P2147 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (374) 0.95      1.01      3.03

 

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8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION

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                    Translation (m)             Rotation (")

 

   Sol   Rms  (m)      X       Y       Z         X       Y       Z     Scale (ppm)

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   CHL   0.00133    0.0013 -0.0043 -0.0016    0.0000  0.0000  0.0000   -0.00028

   DGF   0.00103   -0.0001  0.0009  0.0002    0.0000  0.0000  0.0000    0.00012

   ECU   0.00125   -0.0046 -0.0045 -0.0021    0.0000  0.0001 -0.0002   -0.00019

   GNA   0.00272   -0.0024 -0.0012 -0.0032    0.0000  0.0001 -0.0001    0.00003

   IBG   0.00164   -0.0012 -0.0003 -0.0068    0.0002  0.0001  0.0000   -0.00005

   IGA   0.00095    0.0027 -0.0039 -0.0007    0.0001  0.0000  0.0001   -0.00003

   INE   0.00516   -0.0048  0.0021  0.0194   -0.0006 -0.0003 -0.0001   -0.00236

   URY   0.00130   -0.0034 -0.0013  0.0134   -0.0003 -0.0003 -0.0001    0.00021

   USC   0.00192    0.0046 -0.0002 -0.0007    0.0000 -0.0001  0.0001   -0.00006

 

 

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Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986