Subject: [Sirgas-Mail] No.3227: IBGE SIRGAS combination report for week 2146 From: Sonia Maria Alves Costa RESULTS -------------------------------------------------------------------------------------------------- 1)RESULT FILES -------------------------------------------------------------------------------------------------- IBG2146S.SNX covariance matrix loosely constrained weekly combination ibg21P2146.snx covariance matrix constrained weekly combination IBG2146S.SUM summary of combination (text file) ibg21P2146.crd coordinates from week combination -------------------------------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- QUI1 42003S003 ECU Ant. name: TRM159900.00 SCIS -> since day 52 QUI1 42003S003 USC Ant. name: TRM159900.00 SCIS -> since day 52 QUI1 42003S003 ECU Rec. name: TRIMBLE ALLOY -> since day 52 QUI1 42003S003 USC Rec. name: TRIMBLE ALLOY -> since day 52 ARCA 41909S001 INE,IGA Rec. name: TPS GB-1000 -> until day 55 -------------------------------------------------------------------------------------------------- 3)MISSING STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- MANA ECU OHI3 GNA CHEP IGA -------------------------------------------------------------------------------------------------- 4)EXCLUDED STATIONS -------------------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------------------- QUI1 42003S003 ECU Ant. name: TRM159900.00 SCIS -> since day 52 QUI1 42003S003 USC Ant. name: TRM159900.00 SCIS -> since day 52 CHEP 41308M001 INE Large residuals in Up: 22.15 mm PASM 48063M001 INE Large residuals in North: 12.90 mm PASM 48063M001 INE Large residuals in East: 24.22 mm AMTE 48091M001 INE Large residuals in East: 14.25 mm -------------------------------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) -------------------------------------------------------------------------------------------------- CHL 91 1.65 0.68 1.471 DGF 217 1.62 0.66 1.515 ECU 117 1.55 0.60 1.667 GNA 113 0.19 0.01 100.000 IBG 205 1.67 0.70 1.429 IGA 109 1.46 0.54 1.852 INE 47 0.14 0.01 100.000 URY 101 1.68 0.71 1.408 USC 94 1.57 0.61 1.639 -------------------------------------------------------------------------------------------------- COMBINATION 376 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) 0.80 0.76 0.54 All IGS stations (69) 1.00 1.43 3.08 7)RMS WITH RESPECT TO IBG21P2145 SOLUTION in mm -------------------------------------------------------------------------------------------------- Sol. N E U -------------------------------------------------------------------------------------------------- All stations (370) 0.89 1.05 3.56 LARGE Residuals in mm N E U --------------------------------------------------------- SM01 42221M001 11.47 -7.29 0.84 -------------------------------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION -------------------------------------------------------------------------------------------------- Translation (m) Rotation (”) Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00150 -0.0058 -0.0017 -0.0091 0.0002 0.0002 -0.0002 -0.00034 DGF 0.00112 -0.0002 0.0009 0.0005 0.0000 0.0000 0.0000 0.00016 ECU 0.00127 -0.0013 -0.0024 -0.0098 0.0003 0.0002 -0.0001 0.00003 GNA 0.00241 -0.0019 0.0059 -0.0077 0.0004 -0.0001 -0.0001 0.00031 IBG 0.00136 0.0009 0.0002 -0.0004 0.0000 0.0000 0.0000 0.00011 IGA 0.00103 0.0034 -0.0083 -0.0014 0.0002 0.0000 0.0001 -0.00037 INE 0.00479 0.0066 0.0048 0.0221 -0.0007 -0.0001 0.0002 -0.00256 URY 0.00145 0.0001 0.0002 0.0063 -0.0001 -0.0002 0.0000 0.00012 USC 0.00208 0.0047 -0.0001 0.0012 -0.0001 0.0000 0.0002 -0.00008 -------------------------------------------------------------------------------------------------- 9)RESIDUALS EXCEEDING SPECIFIED THRESHOLD / NOTIFICATION OF DETECTED OUTLIERS -------------------------------------------------------------------------------------------------- Station name Sol Com Residual (mm) From To ------------------------------------------------------------------------------------------- ABMF 97103M001 7 E 10.74 2021-02-21 00:00:00 2021-02-25 23:59:30 GLPS 42005M002 7 U -20.94 2021-02-21 00:00:00 2021-02-27 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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IBG2146S.SNX        covariance matrix loosely constrained weekly combination

ibg21P2146.snx      covariance matrix constrained weekly combination

IBG2146S.SUM        summary of combination (text file)

ibg21P2146.crd      coordinates from week combination

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2)EQUIPMENT INCONSISTENCIES

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Station             PC        Comments

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QUI1 42003S003     ECU       Ant. name: TRM159900.00    SCIS -> since day 52

QUI1 42003S003     USC       Ant. name: TRM159900.00    SCIS -> since day 52

QUI1 42003S003     ECU       Rec. name: TRIMBLE ALLOY        -> since day 52

QUI1 42003S003     USC       Rec. name: TRIMBLE ALLOY        -> since day 52

ARCA 41909S001     INE,IGA   Rec. name: TPS GB-1000          -> until day 55

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3)MISSING STATIONS

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Station        PC          Comments

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MANA          ECU

OHI3          GNA

CHEP          IGA

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4)EXCLUDED STATIONS

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Station             PC        Comments

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QUI1 42003S003      ECU       Ant. name: TRM159900.00    SCIS -> since day 52

QUI1 42003S003      USC       Ant. name: TRM159900.00    SCIS -> since day 52

CHEP 41308M001      INE       Large residuals in Up: 22.15 mm    

PASM 48063M001      INE       Large residuals in North: 12.90 mm    

PASM 48063M001      INE       Large residuals in East: 24.22 mm   

AMTE 48091M001      INE       Large residuals in East: 14.25 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          91       1.65         0.68         1.471

 DGF         217       1.62         0.66         1.515

 ECU         117       1.55         0.60         1.667

 GNA         113       0.19         0.01         100.000

 IBG         205       1.67         0.70         1.429

 IGA         109       1.46         0.54         1.852

 INE          47       0.14         0.01         100.000

 URY         101       1.68         0.71         1.408

 USC          94       1.57         0.61         1.639

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COMBINATION  376       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) 0.80      0.76      0.54

All IGS stations     (69) 1.00      1.43      3.08

 

 

7)RMS WITH RESPECT TO IBG21P2145 SOLUTION in mm

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Sol.                        N         E         U

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All stations         (370) 0.89      1.05      3.56

 

LARGE Residuals in mm           N         E         U

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 SM01 42221M001               11.47     -7.29      0.84

 

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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   0.00150   -0.0058 -0.0017 -0.0091    0.0002  0.0002 -0.0002   -0.00034

   DGF   0.00112   -0.0002  0.0009  0.0005    0.0000  0.0000  0.0000    0.00016

   ECU   0.00127   -0.0013 -0.0024 -0.0098    0.0003  0.0002 -0.0001    0.00003

   GNA   0.00241   -0.0019  0.0059 -0.0077    0.0004 -0.0001 -0.0001    0.00031

   IBG   0.00136    0.0009  0.0002 -0.0004    0.0000  0.0000  0.0000    0.00011

   IGA   0.00103    0.0034 -0.0083 -0.0014    0.0002  0.0000  0.0001   -0.00037

   INE   0.00479    0.0066  0.0048  0.0221   -0.0007 -0.0001  0.0002   -0.00256

   URY   0.00145    0.0001  0.0002  0.0063   -0.0001 -0.0002  0.0000    0.00012

   USC   0.00208    0.0047 -0.0001  0.0012   -0.0001  0.0000  0.0002   -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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  ABMF 97103M001           7   E      10.74          2021-02-21 00:00:00  2021-02-25 23:59:30

  GLPS 42005M002           7   U     -20.94          2021-02-21 00:00:00  2021-02-27 23:59:30

 

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

Sonia Costa

Coordenao de Geodsia - CGED

Instituto Brasileiro de Geografia e Estatstica - IBGE

Tel: 21 21424985 / 21 21424986