Subject: [Sirgas-Mail] No.3180: IBGE SIRGAS combination report for week 2141 From: Sonia Maria Alves Costa RESULTS -------------------------------------------------------------------------------------------------- 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2141S.SNX covariance matrix loosely constrained weekly combination ibg21P2141.snx covariance matrix constrained weekly combination IBG2141S.SUM summary of combination (text file) ibg21P2141.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- None -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- CRLP DGF CN41 ECU GLPS ECU KOUR ECU QUI3 ECU SCUB ECU CRLP INE -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- PASM 48063M001 INE Large residuals in East : 18.24 mm -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 86 1.62 0.66 1.515 DGF 211 1.60 0.64 1.563 ECU 107 1.54 0.59 1.695 GNA 109 0.26 0.02 50.000 IBG 191 1.62 0.66 1.515 IGA 110 1.48 0.54 1.852 INE 49 0.15 0.01 100.000 URY 95 1.62 0.66 1.515 USC 91 1.53 0.58 1.724 -------------------------------------------------------------------------------------------------- COMBINATION 360 1.58 0.62 ----- * A posteriori RMS of unit weight 6)RMS WITH RESPECT TO SOLUTION in mm -------------------------------------------------------------------------------------------------- Solution. N E U -------------------------------------------------------------------------------------------------- IGS14 core stations (25) 1.00 0.79 0.91 All IGS stations (72) 1.01 1.14 2.50 7)RMS WITH RESPECT TO IBG21P2140 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (355) 1.07 0.94 3.15 LARGE Residuals in mm N E U --------------------------------------------------------- CSLO 41540M001 1.18 -13.80 3.17 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00180 -0.0016 -0.0043 -0.0033 0.0000 0.0000 -0.0001 -0.00035 DGF 0.00107 -0.0003 0.0011 -0.0008 0.0000 0.0000 0.0000 0.00021 ECU 0.00131 -0.0007 -0.0079 0.0014 0.0001 0.0001 0.0000 -0.00003 GNA 0.00311 -0.0040 0.0009 -0.0038 0.0000 0.0002 0.0000 0.00047 IBG 0.00151 -0.0019 -0.0018 -0.0008 0.0000 0.0000 -0.0001 0.00004 IGA 0.00101 0.0070 -0.0069 0.0015 0.0001 0.0001 0.0002 -0.00029 INE 0.00445 -0.0127 -0.0075 0.0089 -0.0002 -0.0005 -0.0002 -0.00252 URY 0.00123 0.0004 0.0021 0.0089 -0.0002 -0.0002 0.0001 0.00029 USC 0.00258 0.0124 -0.0066 0.0057 -0.0003 -0.0003 0.0002 -0.00067 -------------------------------------------------------------------------------------------------- 9)RESIDUALS EXCEEDING SPECIFIED THRESHOLD / NOTIFICATION OF DETECTED OUTLIERS -------------------------------------------------------------------------------------------------- Station name Sol Com Residual (mm) From To ------------------------------------------------------------------------------------------- ABPW 41940M001 7 U 21.20 2021-01-17 00:00:00 2021-01-23 23:59:30 AMTE 48091M001 7 E 10.39 2021-01-17 00:00:00 2021-01-23 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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IBG2141S.SNX        covariance matrix loosely constrained weekly combination

ibg21P2141.snx      covariance matrix constrained weekly combination

IBG2141S.SUM        summary of combination (text file)

ibg21P2141.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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CRLP          DGF

CN41          ECU

GLPS          ECU

KOUR          ECU

QUI3          ECU

SCUB          ECU

CRLP          INE

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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 : 18.24  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       1.62         0.66         1.515

 DGF         211       1.60         0.64         1.563

 ECU         107       1.54         0.59         1.695

 GNA         109       0.26         0.02         50.000

 IBG         191       1.62         0.66         1.515

 IGA         110       1.48         0.54         1.852

 INE          49       0.15         0.01         100.000

 URY          95       1.62         0.66         1.515

 USC          91       1.53         0.58         1.724

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COMBINATION  360       1.58         0.62         -----

 

*  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) 1.00      0.79      0.91

All IGS stations     (72) 1.01      1.14      2.50

 

 

7)RMS WITH RESPECT TO IBG21P2140 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (355) 1.07      0.94      3.15

 

LARGE Residuals in mm          N         E         U

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CSLO 41540M001                1.18    -13.80      3.17

 

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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   0.00180   -0.0016 -0.0043 -0.0033    0.0000  0.0000 -0.0001   -0.00035

   DGF   0.00107   -0.0003  0.0011 -0.0008    0.0000  0.0000  0.0000    0.00021

   ECU   0.00131   -0.0007 -0.0079  0.0014    0.0001  0.0001  0.0000   -0.00003

   GNA   0.00311   -0.0040  0.0009 -0.0038    0.0000  0.0002  0.0000    0.00047

   IBG   0.00151   -0.0019 -0.0018 -0.0008    0.0000  0.0000 -0.0001    0.00004

   IGA   0.00101    0.0070 -0.0069  0.0015    0.0001  0.0001  0.0002   -0.00029

   INE   0.00445   -0.0127 -0.0075  0.0089   -0.0002 -0.0005 -0.0002   -0.00252

   URY   0.00123    0.0004  0.0021  0.0089   -0.0002 -0.0002  0.0001    0.00029

   USC   0.00258    0.0124 -0.0066  0.0057   -0.0003 -0.0003  0.0002   -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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  ABPW 41940M001           7   U      21.20          2021-01-17 00:00:00  2021-01-23 23:59:30

  AMTE 48091M001           7   E      10.39          2021-01-17 00:00:00  2021-01-23 23:59:30

 

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

Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986