Subject: [Sirgas-Mail] No.3217: IBGE SIRGAS combination report for week 2145 From: Sonia Maria Alves Costa 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2145S.SNX covariance matrix loosely constrained weekly combination ibg21P2145.snx covariance matrix constrained weekly combination IBG2145S.SUM summary of combination (text file) ibg21P2145.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- None -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- MANA ECU RIOP ECU SALU ECU OHI3 GNA RIOB URY MZAL USC -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- OSOR 41722M001 GNA Large residuals in Up: -34.71 mm PASM 48063M001 INE Large residuals in East: 21.13 mm -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 93 1.65 0.68 1.471 DGF 216 1.62 0.66 1.515 ECU 115 1.58 0.62 1.613 GNA 113 0.12 0.01 100.000 IBG 203 1.66 0.69 1.449 IGA 109 1.51 0.57 1.754 INE 49 0.16 0.01 100.000 URY 99 1.70 0.72 1.389 USC 91 1.56 0.61 1.639 -------------------------------------------------------------------------------------------------- COMBINATION 374 1.62 0.66 ----- * A posteriori RMS of unit weight 6)RMS WITH RESPECT TO SOLUTION in mm -------------------------------------------------------------------------------------------------- Solution. N E U -------------------------------------------------------------------------------------------------- IGS14 core stations (24) 1.17 0.99 0.70 All IGS stations (71) 1.20 1.20 3.40 LARGE Residuals All IGS in mm N E U --------------------------------------------------------- NEIA 41620M002 1.04 -0.76 -22.41 7)RMS WITH RESPECT TO IBG21P2144 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (372) 1.06 1.09 3.32 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00165 -0.0074 -0.0063 -0.0048 0.0000 0.0001 -0.0003 -0.00033 DGF 0.00111 0.0006 0.0012 0.0002 0.0000 0.0000 0.0000 0.00015 ECU 0.00125 -0.0024 -0.0013 -0.0070 0.0002 0.0001 -0.0001 0.00038 GNA 0.00270 -0.0065 -0.0046 0.0039 -0.0002 0.0000 -0.0002 -0.00007 IBG 0.00140 -0.0083 -0.0048 -0.0030 0.0001 0.0001 -0.0003 -0.00005 IGA 0.00082 0.0013 -0.0030 0.0027 0.0000 0.0000 0.0001 -0.00018 INE 0.00434 -0.0106 0.0029 0.0181 -0.0007 -0.0002 -0.0003 -0.00231 URY 0.00121 -0.0061 -0.0027 0.0009 -0.0001 0.0000 -0.0002 -0.00001 USC 0.00164 0.0065 -0.0026 0.0007 -0.0001 -0.0001 0.0001 -0.00038 -------------------------------------------------------------------------------------------------- 9)RESIDUALS EXCEEDING SPECIFIED THRESHOLD / NOTIFICATION OF DETECTED OUTLIERS -------------------------------------------------------------------------------------------------- Station name Sol Com Residual (mm) From To ------------------------------------------------------------------------------------------- AMTE 48091M001 7 E 13.42 2021-02-14 00:00:00 2021-02-20 23:59:30 MECO 41526M001 1 E -10.77 2021-02-15 00:00:00 2021-02-17 13:59:30 ================================================ Sonia Costa Coordenao de Geodsia - CGED Instituto Brasileiro de Geografia e Estatstica - IBGE Tel: 21 21424985 / 21 21424986

 

1)RESULT FILES

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IBG2145S.SNX        covariance matrix loosely constrained weekly combination

ibg21P2145.snx      covariance matrix constrained weekly combination

IBG2145S.SUM        summary of combination (text file)

ibg21P2145.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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MANA          ECU

RIOP          ECU

SALU          ECU

OHI3          GNA

RIOB          URY

MZAL          USC

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4)EXCLUDED STATIONS

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Station             PC        Comments

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OSOR 41722M001     GNA        Large residuals in Up:  -34.71 mm

PASM 48063M001     INE        Large residuals in East: 21.13 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          93       1.65         0.68         1.471

 DGF         216       1.62         0.66         1.515

 ECU         115       1.58         0.62         1.613

 GNA         113       0.12         0.01         100.000

 IBG         203       1.66         0.69         1.449

 IGA         109       1.51         0.57         1.754

 INE          49       0.16         0.01         100.000

 URY          99       1.70         0.72         1.389

 USC          91       1.56         0.61         1.639

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COMBINATION  374       1.62         0.66         -----

 

*  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) 1.17      0.99      0.70

All IGS stations     (71) 1.20      1.20      3.40

 

LARGE Residuals All IGS in mm  N         E         U

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NEIA 41620M002                1.04     -0.76    -22.41

 

 

7)RMS WITH RESPECT TO IBG21P2144 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (372) 1.06      1.09      3.32

 

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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)

  -----------------------------------------------------------------------------

   CHL   0.00165   -0.0074 -0.0063 -0.0048    0.0000  0.0001 -0.0003   -0.00033

   DGF   0.00111    0.0006  0.0012  0.0002    0.0000  0.0000  0.0000    0.00015

   ECU   0.00125   -0.0024 -0.0013 -0.0070    0.0002  0.0001 -0.0001    0.00038

   GNA   0.00270   -0.0065 -0.0046  0.0039   -0.0002  0.0000 -0.0002   -0.00007

   IBG   0.00140   -0.0083 -0.0048 -0.0030    0.0001  0.0001 -0.0003   -0.00005

   IGA   0.00082    0.0013 -0.0030  0.0027    0.0000  0.0000  0.0001   -0.00018

   INE   0.00434   -0.0106  0.0029  0.0181   -0.0007 -0.0002 -0.0003   -0.00231

   URY   0.00121   -0.0061 -0.0027  0.0009   -0.0001  0.0000 -0.0002   -0.00001

   USC   0.00164    0.0065 -0.0026  0.0007   -0.0001 -0.0001  0.0001   -0.00038

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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

  -------------------------------------------------------------------------------------------

  AMTE 48091M001           7   E      13.42          2021-02-14 00:00:00  2021-02-20 23:59:30

  MECO 41526M001           1   E     -10.77          2021-02-15 00:00:00  2021-02-17 13:59:30

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

Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986