Subject: [Sirgas-Mail] No.3151: IBGE SIRGAS combination report for week 2137 From: Sonia Maria Alves Costa RESULTS -------------------------------------------------------------------------------------------------- 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2137S.SNX covariance matrix loosely constrained weekly combination ibg20P2137.snx covariance matrix constrained weekly combination IBG2137S.SUM summary of combination (text file) ibg20P2137.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- BCAR 41539M001 URY Rec. name: TRIMBLE NETR5 -> TRIMBLE ALLOY BCAR 41539M001 USC Rec. name: TRIMBLE NETR5 -> TRIMBLE ALLOY -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- CRLP DGF MTJI DGF WIND DGF CIQE ECU GLPS ECU GQEC ECU GUAT ECU ICEC ECU LIBE ECU LIMN ECU LMMF ECU MANA ECU MHEC ECU NEIL ECU NYCO ECU PUNT ECU QUI3 ECU RIDC ECU SAGE ECU SSIA ECU BSUC GNA CRO1 IBG PMB1 IBG SRZN IBG CRLP IGA MHEC IGA GUAT INE -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- None -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 87 1.61 0.65 1.538 DGF 203 1.61 0.65 1.538 ECU 93 1.55 0.60 1.667 GNA 112 0.37 0.03 33.333 IBG 189 1.63 0.66 1.515 IGA 103 1.47 0.54 1.852 INE 49 2.26 1.28 0.781 URY 97 1.63 0.66 1.515 USC 91 1.53 0.58 1.724 -------------------------------------------------------------------------------------------------- COMBINATION 358 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 (25) 1.01 0.67 0.92 All IGS stations (72) 1.23 1.06 3.08 7)RMS WITH RESPECT TO IBG20P2136 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (354) 0.97 1.19 3.08 LARGE Residuals in mm N E U --------------------------------------------------------- LIMN 40605M001 -0.92 -12.86 20.40 SAGE 40610M001 -5.11 0.43 27.96 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00175 -0.0077 -0.0070 -0.0026 -0.0001 0.0001 -0.0003 -0.00029 DGF 0.00106 -0.0001 0.0004 -0.0003 0.0000 0.0000 0.0000 0.00009 ECU 0.00131 -0.0011 -0.0076 -0.0023 0.0001 0.0001 -0.0002 -0.00001 GNA 0.00269 -0.0131 -0.0017 -0.0012 -0.0001 0.0003 -0.0003 0.00095 IBG 0.00172 -0.0014 -0.0049 0.0006 -0.0001 0.0000 -0.0001 0.00018 IGA 0.00112 0.0034 -0.0033 0.0046 -0.0001 0.0000 0.0001 -0.00027 INE 0.00208 -0.0008 0.0011 0.0006 0.0000 0.0000 -0.0001 0.00035 URY 0.00142 0.0023 0.0084 0.0074 -0.0001 -0.0002 0.0002 0.00039 USC 0.00183 -0.0002 -0.0012 -0.0007 -0.0001 0.0000 0.0000 0.00008 -------------------------------------------------------------------------------------------------- 9)RESIDUALS EXCEEDING SPECIFIED THRESHOLD / NOTIFICATION OF DETECTED OUTLIERS -------------------------------------------------------------------------------------------------- Station name Sol Com Residual (mm) From To ------------------------------------------------------------------------------------------- MECO 41526M001 1 E -13.46 2020-12-20 00:00:00 2020-12-23 23:59:30 OSOR 41722M001 4 U -24.94 2020-12-22 00:00:00 2020-12-22 23:59:30 ================================================ 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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IBG2137S.SNX        covariance matrix loosely constrained weekly combination

ibg20P2137.snx      covariance matrix constrained weekly combination

IBG2137S.SUM        summary of combination (text file)

ibg20P2137.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      

BCAR 41539M001     USC        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

MTJI          DGF

WIND          DGF

CIQE          ECU

GLPS          ECU

GQEC          ECU

GUAT          ECU

ICEC          ECU

LIBE          ECU

LIMN          ECU

LMMF          ECU

MANA          ECU

MHEC          ECU

NEIL          ECU

NYCO          ECU

PUNT          ECU

QUI3          ECU

RIDC          ECU

SAGE          ECU

SSIA          ECU

BSUC          GNA

CRO1          IBG

PMB1          IBG

SRZN          IBG

CRLP          IGA

MHEC          IGA

GUAT          INE

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4)EXCLUDED STATIONS

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Station             PC        Comments

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None

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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       1.61         0.65         1.538

 DGF         203       1.61         0.65         1.538

 ECU          93       1.55         0.60         1.667

 GNA         112       0.37         0.03         33.333

 IBG         189       1.63         0.66         1.515

 IGA         103       1.47         0.54         1.852

 INE          49       2.26         1.28         0.781

 URY          97       1.63         0.66         1.515

 USC          91       1.53         0.58         1.724

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COMBINATION  358       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  (25) 1.01      0.67      0.92

All IGS stations     (72) 1.23      1.06      3.08

 

 

7)RMS WITH RESPECT TO IBG20P2136 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (354) 0.97      1.19      3.08

 

LARGE Residuals in mm          N         E         U

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LIMN 40605M001               -0.92    -12.86     20.40

SAGE 40610M001               -5.11      0.43     27.96

 

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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   0.00175   -0.0077 -0.0070 -0.0026   -0.0001  0.0001 -0.0003   -0.00029

   DGF   0.00106   -0.0001  0.0004 -0.0003    0.0000  0.0000  0.0000    0.00009

   ECU   0.00131   -0.0011 -0.0076 -0.0023    0.0001  0.0001 -0.0002   -0.00001

   GNA   0.00269   -0.0131 -0.0017 -0.0012   -0.0001  0.0003 -0.0003    0.00095

   IBG   0.00172   -0.0014 -0.0049  0.0006   -0.0001  0.0000 -0.0001    0.00018

   IGA   0.00112    0.0034 -0.0033  0.0046   -0.0001  0.0000  0.0001   -0.00027

   INE   0.00208   -0.0008  0.0011  0.0006    0.0000  0.0000 -0.0001    0.00035

   URY   0.00142    0.0023  0.0084  0.0074   -0.0001 -0.0002  0.0002    0.00039

   USC   0.00183   -0.0002 -0.0012 -0.0007   -0.0001  0.0000  0.0000    0.00008

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9)RESIDUALS EXCEEDING SPECIFIED THRESHOLD / NOTIFICATION OF DETECTED OUTLIERS

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  Station name           Sol   Com  Residual (mm)               From                 To

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  MECO 41526M001           1   E     -13.46          2020-12-20 00:00:00  2020-12-23 23:59:30

  OSOR 41722M001           4   U     -24.94          2020-12-22 00:00:00  2020-12-22 23:59:30

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

Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986