Subject: [Sirgas-Mail] No.3161: IBGE SIRGAS combination report for week 2138 From: Sonia Maria Alves Costa RESULTS -------------------------------------------------------------------------------------------------- 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2138S.SNX covariance matrix loosely constrained weekly combination ibg20P2138.snx covariance matrix constrained weekly combination IBG2138S.SUM summary of combination (text file) ibg20P2138.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- BCAR 41539M001 URY Rec. name: TRIMBLE NETR5 -> TRIMBLE ALLOY -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- CRLP DGF QUI3 ECU CRO1 IBG PMB1 IBG SRZN IBG CRLP INE OHI3 USC -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- PASM 48063M001 INE Large residuals in East: 15.95 mm -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 87 1.63 0.67 1.493 DGF 202 1.59 0.63 1.587 ECU 108 1.54 0.59 1.695 GNA 113 0.30 0.02 50.000 IBG 188 1.63 0.67 1.493 IGA 106 1.43 0.51 1.961 INE 47 0.07 0.01 100.000 URY 97 1.67 0.70 1.429 USC 91 1.54 0.59 1.695 -------------------------------------------------------------------------------------------------- COMBINATION 357 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 (24) 1.20 0.87 1.12 All IGS stations (71) 1.37 1.13 3.49 7)RMS WITH RESPECT TO IBG20P2137 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (354) 0.88 0.99 3.00 LARGE Residuals in mm N E U --------------------------------------------------------- OSOR 41722M001 -1.49 6.00 -25.34 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00160 -0.0042 -0.0041 -0.0069 0.0001 0.0001 -0.0001 -0.00039 DGF 0.00105 -0.0004 0.0008 0.0002 0.0000 0.0000 0.0000 0.00016 ECU 0.00151 -0.0047 -0.0106 -0.0115 0.0004 0.0002 -0.0003 -0.00015 GNA 0.00250 -0.0018 0.0042 -0.0004 0.0001 0.0000 0.0001 0.00118 IBG 0.00149 -0.0025 -0.0095 0.0008 -0.0001 0.0000 -0.0002 -0.00013 IGA 0.00101 0.0038 -0.0046 0.0028 0.0000 0.0000 0.0001 -0.00023 INE 0.00520 0.0132 0.0021 0.0173 -0.0006 0.0000 0.0004 -0.00239 URY 0.00133 0.0047 0.0097 0.0008 0.0000 -0.0001 0.0003 0.00003 USC 0.00246 -0.0011 -0.0109 0.0067 -0.0003 -0.0001 -0.0002 -0.00042 ================================================ 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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IBG2138S.SNX        covariance matrix loosely constrained weekly combination

ibg20P2138.snx      covariance matrix constrained weekly combination

IBG2138S.SUM        summary of combination (text file)

ibg20P2138.crd      coordinates from week combination

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2)EQUIPMENT INCONSISTENCIES

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Station             PC        Comments

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BCAR 41539M001     URY       Rec. name: TRIMBLE NETR5        -> TRIMBLE ALLOY             

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3)MISSING STATIONS

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Station        PC          Comments

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CRLP          DGF

QUI3          ECU

CRO1          IBG

PMB1          IBG

SRZN          IBG

CRLP          INE

OHI3          USC

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4)EXCLUDED STATIONS

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Station             PC        Comments

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PASM 48063M001    INE       Large residuals in East: 15.95 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       1.63         0.67         1.493

 DGF         202       1.59         0.63         1.587

 ECU         108       1.54         0.59         1.695

 GNA         113       0.30         0.02         50.000

 IBG         188       1.63         0.67         1.493

 IGA         106       1.43         0.51         1.961

 INE          47       0.07         0.01         100.000

 URY          97       1.67         0.70         1.429

 USC          91       1.54         0.59         1.695

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COMBINATION  357       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  (24) 1.20      0.87      1.12

All IGS stations     (71) 1.37      1.13      3.49

 

 

7)RMS WITH RESPECT TO IBG20P2137 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (354) 0.88      0.99      3.00

 

LARGE Residuals in mm          N         E         U

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OSOR 41722M001               -1.49      6.00    -25.34

 

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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   0.00160   -0.0042 -0.0041 -0.0069    0.0001  0.0001 -0.0001   -0.00039

   DGF   0.00105   -0.0004  0.0008  0.0002    0.0000  0.0000  0.0000    0.00016

   ECU   0.00151   -0.0047 -0.0106 -0.0115    0.0004  0.0002 -0.0003   -0.00015

   GNA   0.00250   -0.0018  0.0042 -0.0004    0.0001  0.0000  0.0001    0.00118

   IBG   0.00149   -0.0025 -0.0095  0.0008   -0.0001  0.0000 -0.0002   -0.00013

   IGA   0.00101    0.0038 -0.0046  0.0028    0.0000  0.0000  0.0001   -0.00023

   INE   0.00520    0.0132  0.0021  0.0173   -0.0006  0.0000  0.0004   -0.00239

   URY   0.00133    0.0047  0.0097  0.0008    0.0000 -0.0001  0.0003    0.00003

   USC   0.00246   -0.0011 -0.0109  0.0067   -0.0003 -0.0001 -0.0002   -0.00042

 

 

================================================

Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986