Subject: [Sirgas-Mail] No.3110: IBGE SIRGAS combination report for week 2131 From: Sonia Maria Alves Costa RESULTS -------------------------------------------------------------------------------------------------- 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2131S.SNX covariance matrix loosely constrained weekly combination ibg20P2131.snx covariance matrix constrained weekly combination IBG2131S.SUM summary of combination (text file) ibg20P2131.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- None -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- NAS0 IGA -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- ABPW 41940M001 INE Large residuals in Up: 29.71 mm PIFL 48078M001 USC Large residuals in East : 10.79 mm -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 87 1.59 0.63 1.587 DGF 219 1.61 0.65 1.538 ECU --------------------------------------------------- GNA 112 0.64 0.10 10.000 IBG 200 1.62 0.66 1.515 IGA 107 1.49 0.56 1.786 INE 51 2.34 1.37 0.730 URY 100 1.61 0.65 1.538 USC 94 1.54 0.59 1.695 -------------------------------------------------------------------------------------------------- COMBINATION 372 1.59 0.63 ----- * A posteriori RMS of unit weight 6)RMS WITH RESPECT TO SOLUTION in mm -------------------------------------------------------------------------------------------------- Solution. N E U -------------------------------------------------------------------------------------------------- IGS14 core stations (26) 0.85 0.71 0.79 All IGS stations (74) 0.98 0.87 3.28 7)RMS WITH RESPECT TO IBG20P2130 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (368) 1.06 1.19 3.78 LARGE Residuals in mm N E U --------------------------------------------------------- VICO 41613M001 0.50 4.21 26.96 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00126 0.0010 -0.0020 -0.0017 0.0000 0.0000 0.0000 -0.00019 DGF 0.00093 0.0000 0.0008 0.0002 0.0000 0.0000 0.0000 0.00021 ECU ----------------------------------------------------------------------- GNA 0.00216 0.0002 0.0039 -0.0058 0.0001 0.0001 0.0001 0.00025 IBG 0.00134 0.0011 -0.0031 0.0057 -0.0001 -0.0001 0.0000 0.00003 IGA 0.00062 -0.0020 -0.0070 -0.0024 0.0002 0.0000 0.0000 -0.00035 INE 0.00269 -0.0066 -0.0031 -0.0052 0.0002 -0.0001 -0.0002 0.00029 URY 0.00120 -0.0041 -0.0021 0.0007 -0.0001 0.0000 -0.0001 0.00010 USC 0.00159 0.0015 -0.0012 -0.0032 0.0000 0.0000 0.0001 -0.00032 ================================================ 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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IBG2131S.SNX        covariance matrix loosely constrained weekly combination

ibg20P2131.snx      covariance matrix constrained weekly combination

IBG2131S.SUM        summary of combination (text file)

ibg20P2131.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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NAS0          IGA

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4)EXCLUDED STATIONS

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Station             PC        Comments

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ABPW 41940M001      INE        Large residuals in Up: 29.71  mm 

PIFL 48078M001      USC        Large residuals in East : 10.79 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          87       1.59         0.63         1.587

 DGF         219       1.61         0.65         1.538

 ECU   ---------------------------------------------------

GNA         112       0.64         0.10         10.000

 IBG         200       1.62         0.66         1.515

 IGA         107       1.49         0.56         1.786

 INE          51       2.34         1.37         0.730

 URY         100       1.61         0.65         1.538

 USC          94       1.54         0.59         1.695

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COMBINATION  372       1.59         0.63         -----

 

*  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  (26) 0.85      0.71      0.79

All IGS stations     (74) 0.98      0.87      3.28

 

 

7)RMS WITH RESPECT TO IBG20P2130 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (368) 1.06      1.19      3.78

 

LARGE Residuals in mm          N         E         U

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VICO 41613M001               0.50      4.21     26.96

 

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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   0.00126    0.0010 -0.0020 -0.0017    0.0000  0.0000  0.0000   -0.00019

   DGF   0.00093    0.0000  0.0008  0.0002    0.0000  0.0000  0.0000    0.00021

   ECU   -----------------------------------------------------------------------

   GNA   0.00216    0.0002  0.0039 -0.0058    0.0001  0.0001  0.0001    0.00025

   IBG   0.00134    0.0011 -0.0031  0.0057   -0.0001 -0.0001  0.0000    0.00003

   IGA   0.00062   -0.0020 -0.0070 -0.0024    0.0002  0.0000  0.0000   -0.00035

   INE   0.00269   -0.0066 -0.0031 -0.0052    0.0002 -0.0001 -0.0002    0.00029

   URY   0.00120   -0.0041 -0.0021  0.0007   -0.0001  0.0000 -0.0001    0.00010

   USC   0.00159    0.0015 -0.0012 -0.0032    0.0000  0.0000  0.0001   -0.00032

 

 

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Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986