-------------------------------------------------------------------------------------------------- IBGE COMBINATION REPORT IBG1781S.SUM - COMBINATION OF THE SIRGAS-CON NETWORK FOR GPS WEEK 1781 -------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------- SIRGAS Combination Centre IBGE Brazilian Institute of Geography and Statistics - IBGE Rio de Janeiro - Brazil -------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------- SIRGAS-CON network: - SIRGAS-CON-C: core network with continental coverage - SIRGAS-CON-D: three densification sub-networks - North: Mexico, Central America, the Caribbean, Colombia and Venezuela - Middle: Brazil, Ecuador, Peru, Bolivia, Suriname, Guyana and French Guyana - South: Uruguay, Paraguay, Argentina, Chile and Antarctica -------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------- SIRGAS Processing Centre Solutions (PC): -------------------------------------------------------------------------------------------------- CHL - Instituto Geografico Militar (Chile) DGF - Deutsches Geodaetisches Forschungsinstitut (Germany) ECU - CEPGE, Instituto Geografico Militar (Ecuador) GNA - Instituto Geografico Nacional (Argentina) IBG - Instituto Brasileiro de Geografia e Estatistica (Brazil) IGA - Instituto Geografico Agustin Codazzi (Colombia) INE - Instituto Nacional de Estadistica y Geografia (Mexico) LUZ - CPAGS, Laboratorio de Geodesia Fisica y Satelital, Universidad del Zulia (Venezuela) UNA - CNPDG-UNA, Universidad Nacional (Costa Rica) URY - Servicio Geografico Militar (Uruguay) -------------------------------------------------------------------------------------------------- Input files: -------------------------------------------------------------------------------------------------- Loosely constrained solutions in SINEX (Software INdependent EXchange) format CHL17817.SNX DGF17817.SNX ECU17817.SNX GNA17817.SNX IBG17817.SNX INE17817.SNX UNA17817.SNX URY17817.SNX -------------------------------------------------------------------------------------------------- Combination strategy: -------------------------------------------------------------------------------------------------- 1 - Individual solutions analisis. 2 - Constrained in normal equation are removed. 3 - Individual solutions are alligned to the IGS reference frame. Stations used for DATUM: BOGT 41901M001 BRAZ 41606M001 BRFT 41602M002 CHTI 50242M001 CRO1 43201M001 GOLD 40405S031 GUAT 40901S001 MAS1 31303M002 MKEA 40477M001 NKLG 32809M002 OHI2 66008M005 PDEL 31906M004 SUTH 30314M002 THTI 92201M009 USNO 40451S003 4 - Combination of the individual solutions obtained in 3. 5 - Stations with large residuals (> 10 mm in N-E and/or > 20 mm in U) are excluded of the individual solutions. Steps 3, 4 and 5 are iterative. 6 - Determination of scaling factors 7 - Loosely constrained weekly solution (a priori position for all station are constrained to 1 meters): IBG1781S.SNX 8 - Determination of the solution aligned with the IGS Reference Frame. The Datum realization is obtained through of definition of the stations listed in (3) as constraint (1E-04 m). Are used as reference the IGS weekly coordinates (IGS14P1781.SNX). This is solutions (IBG14P1781.SNX) represent the SIRGAS-CON positions for practical applications. --------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------- Software: --------------------------------------------------------------------------------------------- Bernese V. 5.2, Windows platform. --------------------------------------------------------------------------------------------- RESULTS ----------------------------------------------------------------------------- 1)RESULT FILES ----------------------------------------------------------------------------- IBG1781S.SNX covariance matrix loosely constrained weekly combination IBG14P1781.SNX covariance matrix constrained weekly combination IBG1781S.SUM this text file ----------------------------------------------------------------------------- 2)EQUIPMENT INCONSISTENCIES -------------------------------------------------------------------------------------- Station PC Comments -------------------------------------------------------------------------------------- PREC 42035M001 : CHL Antenna TRM59800.00 SCIS -> TRM55970.00 NONE ----------------------------------------------------------------------------- 3)MISSING STATIONS --------------------------------------------------------------------------- Station PC Comments ----------------------------------------------------------------------------- CHIS 40906M001 INE Missing station in INE solution MARA 42402M001 INE Missing station in INE solution ----------------------------------------------------------------------------- 4)EXCLUDED STATIONS ---------------------------------------------------------------------------------------- Station PC Comments ---------------------------------------------------------------------------------------- CHIH 40525M001 : INE Renamed station CHI3 40525M001 -> CHIH 40525M001 PREC 42035M001 : CHL Wrong antenna applied MGVA 41626M002 : All Antenna without IGS calibration values UBER 41625M001 : All Antenna without IGS calibration values ----------------------------------------------------------------------------- 5)STATISTICS OF COMBINATION Sol No. STATIONS Rms (mm)* Chi**2/DOF 1/(Chi**2/DOF) ----------------------------------------------------------------------------- CHL 75 1.55 0.60 1.667 DGF 111 1.64 0.67 1.493 ECU 70 1.65 0.68 1.471 GNA 79 2.00 1.00 1.000 IBG 109 1.85 0.86 1.163 INE 37 2.00 1.00 1.000 UNA 52 1.65 0.68 1.471 URY 85 1.70 0.72 1.389 ---------------------------------------------------------------------------- COMBINATION 254 1.69 0.72 ----- * A posteriori RMS of unit weight 6)RMS WITH RESPECT TO IGS14P1781 SOLUTION in mm ----------------------------------------------------------------------------- ----------------------------------------------------------------------------- Solution. N E U ----------------------------------------------------------------------------- IGS08 core stations (15) 0.52 0.72 0.49 All IGS stations (69) 1.21 1.61 4.16 7)RMS WITH RESPECT TO IBG14P1780 SOLUTION in mm ----------------------------------------------------------------------------- ----------------------------------------------------------------------------- Sol. N E U ----------------------------------------------------------------------------- All stations (252) 0.90 1.42 3.41 ----------------------------------------------------------------------------- 8)HELMERT TRANSFORMATION PARAMETERS WITH RESPECT TO COMBINED SOLUTION ----------------------------------------------------------------------------- Translation (m) Rotation (") Sol Rms (m) X Y Z X Y Z Scale (ppm) ----------------------------------------------------------------------------- CHL 0.00153 0.0070 -0.0024 -0.0037 -0.0001 -0.0001 0.0001 -0.00001 DGF 0.00170 0.0004 -0.0003 -0.0002 0.0000 0.0000 0.0000 0.00005 ECU 0.00108 -0.0053 -0.0007 0.0023 0.0000 0.0000 -0.0001 0.00000 GNA 0.00257 0.0063 -0.0007 -0.0045 0.0000 0.0001 0.0002 -0.00044 IBG 0.00120 0.0004 0.0056 -0.0013 0.0001 0.0000 0.0001 0.00017 INE 0.00192 0.0003 -0.0003 -0.0045 0.0001 0.0000 0.0000 -0.00001 UNA 0.00124 -0.0005 -0.0055 -0.0026 0.0001 0.0000 -0.0001 -0.00010 URY 0.00130 -0.0074 0.0094 0.0099 -0.0001 -0.0001 0.0001 0.00052 --------------------------------------------------------------------------- 9)COMPARISON OF STATION COORDINATES BETWEEN PROCESSING CENTERS ----------------------------------------------------------------------------- (Repeatability represents the consistency between the individual solutions) PCs: (1) CHL (2) DGF (3) ECU (4) GNA (5) IBG (6) INE (7) UNA (8) URY -------------------------------------------------------------------------------- Total number of stations 254 ---------------------------------------------------- PC Repeatability (mm) Station PCs 12345678 N E U ---------------------------------------------------- ---------------------------------------------------- AACR 40612M001 2 XX 0.36 0.51 1.77 ABMF 97103M001 2 X X 0.45 0.50 2.14 ABPD 41941M001 1 X 0.04 0.10 0.00 ABPW 41940M001 2 X X 0.61 0.69 4.25 AGCA 41907M001 2 X X 0.12 0.85 0.71 ALAR 41653M001 3 X X 0.46 0.43 1.48 X ALBE 41943M001 2 X X 0.26 1.18 1.01 ALEC 42029M001 2 X X 0.22 1.20 1.38 ALUM 41535M001 3 X XX 0.88 1.11 1.99 AMCO 41696M001 2 X X 2.26 1.10 6.35 ANDS 41908S001 2 X X 1.50 0.93 2.33 ANGO 41720M001 3 XX 0.25 0.36 1.33 X ANTC 41713S001 3 XX 0.64 1.86 1.39 X APSA 41675M001 3 X X X 1.34 2.69 3.05 APTO 41933S001 2 X X 0.60 5.62 0.84 ARCA 41909S001 1 X 0.05 0.04 0.03 AREQ 42202M005 3 XX X 1.39 1.36 8.64 AREV 42202M005 1 X 0.33 0.14 1.02 AUTF 41515S001 3 XX X 0.78 0.78 2.84 AZUL 41529M001 3 X X 0.15 0.48 0.66 X BABR 41684M001 3 X X X 0.46 0.44 2.57 BAIL 48098M001 3 X X 0.47 0.86 3.35 X BAIR 41665M001 3 X X 0.13 0.20 1.55 X BATF 41666M001 3 XX 0.25 1.59 7.68 X BAVC 41669M001 3 XX 0.32 0.32 3.36 X BCAR 41539M001 3 X X 0.65 0.71 1.33 X BEJA 41947M001 1 X 0.13 0.05 0.66 BELE 41622M001 3 XX X 0.79 2.20 2.69 BERR 41910S001 2 XX 0.40 5.53 10.85 BOAV 41636M001 3 XX X 0.37 0.78 1.55 BOGA 41901M002 1 X 0.03 0.10 0.00 BOGT 41901M001 2 X X 0.08 0.62 0.65 BOMJ 41612M001 3 X X 1.15 0.71 2.71 X BRAZ 41606M001 3 X X 1.80 0.90 6.61 X BRFT 41602M002 3 XX X 0.73 1.02 2.58 BRMU 42501S004 3 X XX 1.04 0.52 4.46 BUEN 41912S001 2 XX 0.14 0.18 2.67 CALL 42205M001 3 XXX 1.00 1.31 0.86 CART 41902M001 2 XX 0.06 0.84 0.36 CATA 41534M001 3 X X 1.16 1.10 3.31 X CEEU 41602M003 2 X 0.18 0.51 1.40 X CEFE 41637M001 3 XX 0.61 1.13 3.13 X CEFT 41682M001 2 X X 0.29 0.79 2.24 CHAC 41553M001 3 X XX 0.97 0.64 0.64 CHET 40526M001 2 XX 0.16 1.05 1.45 CHIH 40525M001 3 X XX 1.20 0.51 4.09 CHIS 40906M001 1 X 0.06 0.14 0.27 CHPI 41609M003 3 XX X 1.01 0.25 4.31 CHTI 50242M001 1 X 1.18 0.02 0.16 CLEC 42031M001 2 X X 0.27 0.95 1.07 COEC 42023M001 2 X X 0.18 1.54 0.77 COL2 40524M001 2 XX 0.62 0.38 4.77 CONZ 41719M002 3 XX 0.95 0.39 4.87 X COPO 41714S001 3 XX 0.89 1.62 1.30 X CRAT 41619M001 3 X X 1.12 0.25 5.86 X CRCP 40612M002 2 XX 0.53 0.27 4.41 CRCS 42401M001 2 XX 0.89 0.94 3.43 CRO1 43201M001 3 X XX 1.25 1.17 2.83 CRUZ 41641M001 3 XX X 0.21 0.18 0.99 CSLO 41540M001 3 X X 0.76 1.70 1.23 X CUIB 41603M001 3 X X 0.90 1.32 2.67 X CULC 40529M001 2 XX 1.08 0.94 4.00 CUM3 42404M001 1 X 0.20 0.15 0.11 DAVI 41302M001 1 X 0.07 0.02 0.64 EBYP 41538M001 3 X X 0.41 1.46 2.09 X ECEC 42027M001 2 X X 0.24 0.87 1.98 EESC 41694M001 3 X X 0.48 0.99 1.03 X ELEN 40902S001 3 X XX 0.43 0.46 0.74 EREC 42037M001 2 X X 0.20 0.89 2.34 ESMR 42011M001 2 XX 0.49 2.53 3.56 ESQU 41533M001 3 XX X 0.99 1.32 3.99 ETCG 40602M001 3 XX X 0.68 0.54 1.04 EXU0 43606M001 2 X X 0.30 2.16 7.25 FALK 80602M001 3 XX X 0.62 1.30 2.38 FQNE 41936S001 2 X X 0.57 0.14 1.10 GLPS 42005M002 3 XX X 0.64 1.47 4.62 GOGY 48095M001 3 X X 0.19 0.47 1.17 X GOJA 41654M001 3 XX 1.04 0.92 1.82 X GOLD 40405S031 2 X X 1.00 0.80 2.56 GRE0 43501S001 2 X X 0.92 1.77 2.06 GTK0 43602S007 2 X X 0.37 0.98 3.72 GUAT 40901S001 3 X XX 0.89 1.00 2.46 GUAY 41549M001 3 XX 0.35 0.52 1.99 X GVAL 41623M001 3 X X 0.89 2.36 4.61 X GVRE 41949M001 1 X 0.03 0.46 0.04 GYEC 42007M001 1 X 0.08 0.05 0.39 GZEC 42032M001 2 X X 0.25 0.92 1.45 HER2 40522M001 2 X X 0.81 0.73 3.07 HUEH 40903S001 2 X X 0.07 0.20 1.57 IACR 41721M001 3 XX X 1.09 1.37 2.55 IBAG 41918S001 1 X 0.03 0.11 0.08 IBEC 42024M001 2 X X 0.15 0.98 1.11 ICAM 40514M002 3 X XX 0.38 0.38 0.93 ICEP 40531M001 2 XX 0.29 0.21 0.62 IDGO 40532M001 2 XX 0.51 0.68 5.03 IGM1 41505M003 3 X X 0.89 0.43 1.46 X ILHA 41634M001 3 X XX 0.75 0.62 4.01 IMBT 41638M001 3 X X 0.43 0.72 1.23 X IMPZ 41615M001 2 X X 1.12 0.69 1.88 INEG 40507M001 3 X XX 0.51 0.24 1.74 IPAZ 40521M002 2 X X 0.73 0.48 4.17 IQQE 41708S002 3 XX X 0.55 1.61 1.71 ISPA 41703M007 3 XX X 1.70 2.16 4.22 JBAL 41537M001 3 X X 0.82 1.53 1.37 X KOUG 97301M402 1 X 0.38 0.15 0.01 KOUR 97301M210 3 XX X 0.36 0.52 0.61 LHCL 41518S001 3 XX X 1.06 0.76 3.74 LJEC 42010M001 2 XX 0.24 0.08 0.37 LPGS 41510M001 3 X XX 1.08 1.80 3.32 MA01 41542M001 3 X X 0.52 0.82 2.12 X MABA 41642M001 3 X X 0.58 0.61 1.58 X MABS 41681M001 2 X X 0.38 0.60 1.41 MAEC 42013M001 1 X 0.08 0.05 0.36 MANA 41201S001 3 XX X 0.48 0.43 4.30 MAPA 41629M001 2 X X 0.80 2.71 5.25 MARA 42402M001 1 X 0.09 0.33 0.01 MAS1 31303M002 1 X 0.68 0.73 0.75 MCLA 41624M001 3 XX 1.03 1.05 2.96 X MEDE 41921S001 1 X 0.15 0.21 0.22 MERI 40520M001 2 X X 1.03 0.16 3.76 MEXI 40519M001 2 XX 0.50 1.00 3.38 MGBH 41667M001 3 X X 0.86 0.86 3.84 X MGIN 41647M001 3 XX 0.79 0.71 1.51 X MGMC 41624M002 3 XX 1.62 1.82 4.06 X MGRP 41680M001 3 XX 0.09 0.90 1.63 X MGUB 41652M001 3 XX 0.31 0.20 1.35 X MGUE 41558M001 3 XX X 0.39 1.68 1.81 MKEA 40477M001 1 X 1.01 0.16 0.01 MRLS 40909M001 1 X 0.07 0.14 0.38 MSCG 41649M001 3 XX 1.80 3.02 3.01 X MSDR 48096M001 3 X X 0.52 0.54 2.04 X MTBA 41663M001 3 XX 0.80 0.97 5.40 X MTCN 41687M001 3 X X 0.07 0.50 2.29 X MTCO 41670M001 3 X X 0.33 0.68 1.51 X MTSF 41655M001 3 X X 0.74 0.33 1.13 X MTSR 41689M001 3 X X 0.49 0.55 2.99 X MTVB 41690M001 3 XX 0.83 0.45 1.19 X MTY2 40518M001 2 X X 0.79 1.32 2.82 MZAC 41503M001 3 X XX 0.29 2.29 1.87 MZAE 41530M001 3 X X 0.18 1.21 1.32 X NAS0 43607S001 3 X XX 0.91 1.61 6.91 NAUS 41614M002 3 XX X 0.18 1.62 2.69 NEIA 41620M002 3 X X 0.98 1.04 1.95 X NESA 41546M001 3 X X 0.34 0.56 1.10 X NJEC 42028M001 2 X X 0.24 0.94 1.73 NKLG 32809M002 1 X 1.12 1.12 0.70 OAX2 40517M001 2 X X 0.76 0.62 4.87 OHI2 66008M005 3 XX X 1.80 1.13 4.43 ONRJ 41635M001 3 X X 0.56 0.84 3.20 X OSOR 41722M001 3 XX X 0.58 1.35 2.30 OURI 41631M001 3 XX 0.16 0.19 1.50 X PAAT 41683M001 2 X X 0.16 0.73 0.78 PAIT 41685M001 2 X 0.35 1.91 4.73 X PAMP 41944M001 1 X 0.11 0.17 0.24 PARC 41716S001 3 XX X 0.58 4.17 2.33 PAST 41695M001 2 X X 0.26 0.44 2.09 PBCG 41656M001 2 X 0.81 0.14 1.90 X PBJP 41698M001 2 X X 0.42 0.03 2.76 PDEL 31906M004 1 X 0.49 0.69 0.70 PEPE 41650M001 2 X X 0.40 0.15 2.11 PERA 41905S001 2 X X 0.19 0.86 0.91 PIE1 40456M001 3 X XX 0.94 0.42 4.51 PISR 41673M001 3 X X 0.37 0.83 1.26 X PITN 41691M001 3 X X 0.25 0.16 1.11 X PMB1 43702S001 2 X X 0.92 1.72 4.47 POAL 41616M001 3 XX 1.17 0.45 1.48 X POLI 41630M001 3 XX 1.05 0.52 3.35 X POPT 40911M001 2 X X 0.20 0.61 1.36 POVE 41628M001 4 XXXX 0.93 1.22 3.75 PPTE 41611M002 3 X XX 0.76 0.46 2.10 PRCV 48097M001 3 X X 0.19 0.36 2.13 X PRGU 41671M001 3 XX 0.57 0.21 2.43 X PRMA 41674M001 3 XX 0.16 0.93 1.84 X PRNA 41554M001 3 X X 0.28 0.77 0.58 X PSTO 41925S001 2 XX 0.20 5.26 2.53 QUEM 42020M001 1 X 0.06 0.05 0.36 QUIB 41926S001 1 X 0.02 0.08 0.01 QVEC 42012M001 1 X 0.07 0.04 0.36 RECF 41617M001 2 X X 0.40 0.55 1.79 RIO2 41507M006 3 XX X 0.72 0.63 1.97 RIOB 41645M001 3 X X 1.08 0.93 0.85 X RIOD 41608M001 3 XX 0.61 0.33 3.60 X RIOH 41927S001 1 X 0.05 0.01 0.12 RIOP 42006M001 2 XX 0.01 1.26 0.44 RJCG 41657M001 3 XX 0.14 0.69 1.70 X RNMO 41664M001 2 X X 0.40 0.59 1.30 RNNA 41668M001 2 X 0.19 0.39 1.64 X ROCD 41679M001 2 X X 0.26 0.80 1.45 ROGM 41651M001 3 X X X 1.31 1.11 5.35 ROJI 41658M001 3 X X 0.29 0.51 2.90 X ROSA 41632M001 3 XX 0.51 1.34 3.10 X RSAL 41699M001 3 XX 0.03 0.75 0.52 X SAGA 41639M001 2 X X 0.55 0.27 0.97 SALU 41640M001 3 XX X 1.72 0.81 1.76 SAMA 41928S001 1 X 0.08 0.05 0.06 SAVO 41643M001 3 XX X 0.54 1.01 2.08 SCCH 41659M001 3 X XX 0.68 0.25 0.95 SCLA 41660M001 3 XX 0.22 0.55 1.37 X SCRZ 41801M001 3 XX X 0.44 0.50 1.50 SEAJ 41697M001 2 X X 0.21 0.13 1.43 SINC 41946M001 2 X X 0.32 0.16 0.93 SJRP 41633M001 3 XX 0.29 0.84 2.73 X SL01 41543M001 3 X X 0.26 0.26 3.00 X SMAR 41621M001 3 X XX 0.56 0.54 0.81 SMRT 43102S001 2 X X 0.32 1.07 2.18 SNLR 42021M001 1 X 0.03 0.02 0.28 SPAR 41676M001 3 XX 0.89 0.18 1.47 X SPBO 41692M001 3 XX 0.46 1.21 2.09 X SPCA 41678M001 3 XX 0.45 0.62 2.93 X SRNW 43703M001 3 XX X 1.67 1.67 3.18 SRZN 43701S005 1 X 0.24 0.08 0.25 SSA1 41644M001 2 X X 0.28 0.53 3.03 SSIA 41401S001 2 X X 0.81 0.81 1.07 STHL 30606M003 3 XX 1.15 3.22 7.50 X SUTH 30314M002 1 X 1.00 0.70 0.66 SVIC 41536M001 3 X XX 0.32 0.12 2.13 TAMP 40516M001 3 X XX 0.63 0.08 2.84 TAXI 40913M001 2 X X 0.92 0.48 3.39 TEG2 41101M001 2 X X 1.19 2.87 0.84 TERO 41531M001 3 X X 1.04 1.64 2.31 X THTI 92201M009 1 X 1.09 0.27 0.14 TINT 40915M001 2 X X 0.35 0.98 0.39 TNEC 42026M001 1 X 0.07 0.04 0.39 TOGU 41661M001 2 X X 0.09 0.99 1.65 TOL2 40515M001 3 X XX 0.47 0.35 2.60 TOPL 41648M001 3 XX X 0.57 0.09 1.56 TUMA 41929S001 3 XX X 0.37 0.62 4.45 TUNA 41930S001 1 X 0.04 0.01 0.07 UBA1 41627M002 3 XX 0.21 0.48 2.91 X UCOR 41502M001 3 XX X 0.24 1.65 4.21 UFPR 41610M002 3 X XX 0.95 0.32 1.92 UGTO 40528M001 2 XX 0.53 0.22 3.03 UNPA 41550M001 3 XX X 0.81 0.53 2.29 UNRO 41525M001 3 X XX 0.73 0.45 1.59 UNSA 41514M001 4 XX XX 0.93 2.22 4.36 UNSJ 41527M001 3 X X 1.63 1.96 1.25 X URUS 41802M001 3 XX X 1.22 0.35 2.91 USLP 40530M001 2 XX 0.36 0.13 2.01 USNO 40451S003 3 X XX 0.65 0.85 2.25 UYDU 42305M001 3 XX 1.75 0.56 5.60 X UYLP 42306M001 3 X X 1.01 0.65 0.54 X UYMO 42301M001 3 X X 0.21 0.53 1.36 X UYPA 42304M001 3 X X 5.15 0.51 16.57 X UYRO 42303M001 3 X X 0.94 0.84 1.03 X UYSO 42307M001 3 X X 0.49 0.66 1.07 X UYTA 42302M001 3 X X 0.78 0.25 0.98 X VALL 41906S001 1 X 0.06 0.13 0.26 VALP 41712S001 3 XX 0.45 2.06 0.74 X VBCA 41512M001 3 XX X 0.59 6.63 4.38 VICO 41613M001 3 XX 0.77 0.93 2.53 X VIL2 40527M001 2 XX 0.14 0.34 3.48 VIVI 41931S001 1 X 0.12 0.05 0.31 YCBA 41803M001 3 X XX 1.14 0.96 2.12 ZARZ 41950M001 1 X 0.17 0.16 0.52 ---------------------------------------------------- Total 618 0.88 1.32 3.22 ----------------------------------------------------