Subject: [Sirgas-Mail] No.3215: IBGE SIRGAS combination report for week 2144 From: Sonia Maria Alves Costa RESULTS -------------------------------------------------------------------------------------------------- 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2144S.SNX covariance matrix loosely constrained weekly combination ibg21P2144.snx covariance matrix constrained weekly combination IBG2144S.SUM summary of combination (text file) ibg21P2144.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- None -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- BOAV ECU CN41 ECU MANA ECU RIOP ECU CRLP INE -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- CBMB 41807M001 IBG Large residuals in Up: -28.28 mm EMIB 41805M002 IBG Large residuals in Up: -33.03 mm PASM 48063M001 INE Large residuals in North: 12.29 mm PASM 48063M001 INE Large residuals in East: 19.25 mm -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 92 1.64 0.68 1.471 DGF 218 1.62 0.66 1.515 ECU 114 1.58 0.63 1.587 GNA 115 0.10 0.01 100.000 IBG 201 1.64 0.67 1.493 IGA 110 1.50 0.56 1.786 INE 49 0.15 0.01 100.000 URY 99 1.67 0.70 1.429 USC 93 1.56 0.61 1.639 -------------------------------------------------------------------------------------------------- COMBINATION 375 1.61 0.65 ----- * A posteriori RMS of unit weight 6)RMS WITH RESPECT TO SOLUTION in mm -------------------------------------------------------------------------------------------------- Solution. N E U -------------------------------------------------------------------------------------------------- IGS14 core stations (24) 0.99 0.71 0.71 All IGS stations (67) 0.90 1.23 2.97 7)RMS WITH RESPECT TO IBG21P2143 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (362) 0.98 1.14 3.23 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00190 -0.0066 -0.0051 -0.0069 0.0001 0.0002 -0.0002 -0.00034 DGF 0.00110 0.0001 0.0011 0.0004 0.0000 0.0000 0.0000 0.00012 ECU 0.00110 -0.0020 -0.0039 -0.0036 0.0001 0.0001 -0.0001 0.00013 GNA 0.00257 -0.0091 -0.0052 -0.0031 -0.0001 0.0002 -0.0002 -0.00006 IBG 0.00152 -0.0045 -0.0036 -0.0046 0.0001 0.0001 -0.0002 0.00002 IGA 0.00092 0.0003 -0.0047 -0.0010 0.0001 0.0000 0.0001 -0.00025 INE 0.00545 0.0127 0.0062 0.0188 -0.0007 0.0001 0.0003 -0.00250 URY 0.00133 -0.0038 -0.0015 0.0008 0.0000 0.0000 -0.0001 -0.00004 USC 0.00229 0.0122 -0.0008 -0.0006 0.0000 -0.0001 0.0003 -0.00067 -------------------------------------------------------------------------------------------------- 9)RESIDUALS EXCEEDING SPECIFIED THRESHOLD / NOTIFICATION OF DETECTED OUTLIERS -------------------------------------------------------------------------------------------------- Station name Sol Com Residual (mm) From To ------------------------------------------------------------------------------------------- ABMF 97103M001 7 E 10.08 2021-02-07 00:00:00 2021-02-13 23:59:30 AMTE 48091M001 7 E 12.40 2021-02-07 00:00:00 2021-02-13 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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IBG2144S.SNX        covariance matrix loosely constrained weekly combination

ibg21P2144.snx      covariance matrix constrained weekly combination

IBG2144S.SUM        summary of combination (text file)

ibg21P2144.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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BOAV          ECU

CN41          ECU

MANA          ECU

RIOP          ECU

CRLP          INE

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4)EXCLUDED STATIONS

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Station             PC        Comments

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CBMB 41807M001      IBG       Large residuals in Up: -28.28 mm    

EMIB 41805M002      IBG       Large residuals in Up: -33.03 mm 

PASM 48063M001      INE       Large residuals in North: 12.29 mm

PASM 48063M001      INE       Large residuals in East:  19.25 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          92       1.64         0.68         1.471

 DGF         218       1.62         0.66         1.515

 ECU         114       1.58         0.63         1.587

 GNA         115       0.10         0.01         100.000

 IBG         201       1.64         0.67         1.493

 IGA         110       1.50         0.56         1.786

 INE          49       0.15         0.01         100.000

 URY          99       1.67         0.70         1.429

 USC          93       1.56         0.61         1.639

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COMBINATION  375       1.61         0.65         -----

 

*  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) 0.99      0.71      0.71

All IGS stations     (67) 0.90      1.23      2.97

 

 

7)RMS WITH RESPECT TO IBG21P2143 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (362) 0.98      1.14      3.23

 

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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   0.00190   -0.0066 -0.0051 -0.0069    0.0001  0.0002 -0.0002   -0.00034

   DGF   0.00110    0.0001  0.0011  0.0004    0.0000  0.0000  0.0000    0.00012

   ECU   0.00110   -0.0020 -0.0039 -0.0036    0.0001  0.0001 -0.0001    0.00013

   GNA   0.00257   -0.0091 -0.0052 -0.0031   -0.0001  0.0002 -0.0002   -0.00006

   IBG   0.00152   -0.0045 -0.0036 -0.0046    0.0001  0.0001 -0.0002    0.00002

   IGA   0.00092    0.0003 -0.0047 -0.0010    0.0001  0.0000  0.0001   -0.00025

   INE   0.00545    0.0127  0.0062  0.0188   -0.0007  0.0001  0.0003   -0.00250

   URY   0.00133   -0.0038 -0.0015  0.0008    0.0000  0.0000 -0.0001   -0.00004

   USC   0.00229    0.0122 -0.0008 -0.0006    0.0000 -0.0001  0.0003   -0.00067

 

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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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  ABMF 97103M001           7   E      10.08          2021-02-07 00:00:00  2021-02-13 23:59:30

  AMTE 48091M001           7   E      12.40          2021-02-07 00:00:00  2021-02-13 23:59:30

 

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

Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986