Subject: [Sirgas-Mail] No.3113: IBGE SIRGAS combination report for week 2132 From: Sonia Maria Alves Costa RESULTS -------------------------------------------------------------------------------------------------- 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2132S.SNX covariance matrix loosely constrained weekly combination ibg20P2132.snx covariance matrix constrained weekly combination IBG2132S.SUM summary of combination (text file) ibg20P2132.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- None -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- MECO CHL PPTE GNA AMCR IGA PIE1 INE -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- ABMF 97103M001 INE Large residuals in Up:-29.99 mm ABPW 41940M001 INE Large residuals in Up: 48.88 mm -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 86 1.59 0.63 1.587 DGF 221 1.59 0.63 1.587 ECU --------------------------------------------------- GNA 112 0.28 0.02 50.000 IBG 199 1.62 0.65 1.538 IGA 109 1.48 0.55 1.818 INE 50 3.74 3.49 0.287 URY 101 1.62 0.65 1.538 USC 95 1.55 0.60 1.667 -------------------------------------------------------------------------------------------------- COMBINATION 374 1.58 0.63 ----- * A posteriori RMS of unit weight 6)RMS WITH RESPECT TO SOLUTION in mm -------------------------------------------------------------------------------------------------- Solution. N E U -------------------------------------------------------------------------------------------------- IGS14 core stations (25) 1.03 0.70 0.98 All IGS stations (78) 1.07 0.91 2.84 7)RMS WITH RESPECT TO IBG20P2131 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (370) 0.89 1.11 3.21 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00146 0.0042 -0.0009 -0.0031 0.0000 0.0000 0.0001 -0.00031 DGF 0.00112 -0.0002 0.0006 0.0009 0.0000 0.0000 0.0000 0.00018 ECU ----------------------------------------------------------------------- GNA 0.00241 0.0041 0.0057 -0.0049 0.0002 0.0000 0.0002 0.00026 IBG 0.00156 -0.0015 -0.0036 -0.0028 0.0001 0.0001 -0.0001 -0.00033 IGA 0.00092 0.0046 -0.0045 0.0038 0.0000 0.0000 0.0002 -0.00034 INE 0.00681 -0.0253 0.0132 0.0347 -0.0011 -0.0002 -0.0007 -0.00002 URY 0.00124 0.0001 0.0008 0.0069 -0.0002 -0.0002 0.0000 0.00023 USC 0.00216 -0.0004 -0.0033 -0.0010 -0.0001 0.0000 0.0000 -0.00002 ================================================ 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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IBG2132S.SNX        covariance matrix loosely constrained weekly combination

ibg20P2132.snx      covariance matrix constrained weekly combination

IBG2132S.SUM        summary of combination (text file)

ibg20P2132.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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MECO          CHL

PPTE          GNA

AMCR          IGA

PIE1          INE

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4)EXCLUDED STATIONS

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Station             PC        Comments

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ABMF 97103M001      INE       Large residuals in Up:-29.99 mm

ABPW 41940M001      INE       Large residuals in Up: 48.88 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          86       1.59         0.63         1.587

 DGF         221       1.59         0.63         1.587

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

GNA         112       0.28         0.02         50.000

 IBG         199       1.62         0.65         1.538

 IGA         109       1.48         0.55         1.818

 INE          50       3.74         3.49         0.287

 URY         101       1.62         0.65         1.538

 USC          95       1.55         0.60         1.667

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COMBINATION  374       1.58         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  (25) 1.03      0.70      0.98

All IGS stations     (78) 1.07      0.91      2.84

 

 

7)RMS WITH RESPECT TO IBG20P2131 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (370) 0.89      1.11      3.21

 

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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   0.00146    0.0042 -0.0009 -0.0031    0.0000  0.0000  0.0001   -0.00031

   DGF   0.00112   -0.0002  0.0006  0.0009    0.0000  0.0000  0.0000    0.00018

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

   GNA   0.00241    0.0041  0.0057 -0.0049    0.0002  0.0000  0.0002    0.00026

   IBG   0.00156   -0.0015 -0.0036 -0.0028    0.0001  0.0001 -0.0001   -0.00033

   IGA   0.00092    0.0046 -0.0045  0.0038    0.0000  0.0000  0.0002   -0.00034

   INE   0.00681   -0.0253  0.0132  0.0347   -0.0011 -0.0002 -0.0007   -0.00002

   URY   0.00124    0.0001  0.0008  0.0069   -0.0002 -0.0002  0.0000    0.00023

   USC   0.00216   -0.0004 -0.0033 -0.0010   -0.0001  0.0000  0.0000   -0.00002

 

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Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986