Author: H. Habrich ******************************************************************************* EUREF REPORT FOR GPS WEEK 1281 (DAYS 207-213, DATES 25-07-04 - 31-07-04) ******************************************************************************* Report of the combination of the European weekly GPS solutions International Association of Geodesy Commission X - Global and Regional Geodetic Networks Subcommission for Europe (EUREF) Contributing Solutions: ----------------------- Group Description Contribution ASI - Nuova Telespazio S.p.A., Space Geodesy Center, Italy SINEX BEK - International Commission for Global Geodesy of SINEX the Bavarian Academy of Sciences, Germany BKG - Bundesamt fuer Kartographie und Geodaesie, Germany SINEX COE - European solution created at CODE SINEX (Center for Orbit Determination in Europe) DEO - Delft Institute for Earth-Orientated Space Research, SINEX Delft University of Technology, Netherlands GOP - Geodetic Observatory Pecny, Czech Republic SINEX IGE - Instituto Geografico Nacional - Spain SINEX IGN - Institut Geographique National, France SINEX LPT - Bundesamt fuer Landestopographie (L+T), Switzerland SINEX NKG - Nordic Geodetic Commision SINEX OLG - Observatory Lustbuehel Graz, Austria SINEX ROB - Royal Observatory of Belgium SINEX SGO - FOMI Satellite Geodetic Observatory, Hungary SINEX SUT - Slovak University of Technology Bratislava, Slovakia SINEX UPA - Universita di Padova, Italy SINEX WUT - Warsaw University of Technology, Poland SINEX SINEX: Software independent exchange format Version 0.05 or 1.00 Submitted by: Bundesamt fuer Kartographie und Geodaesie (BKG) Frankfurt am Main, Germany Contact : Heinz Habrich (heinz.habrich@bkg.bund.de) Products are available through A) http://igs.ifag.de/root_ftp/EUREF/products/ or ftp://igs.ifag.de/EUREF/products/ B) ftp://epncb.oma.be/epncb/product/combin/ C) ftp://cddisa.gsfc.nasa.gov/gps/products/ Processing Strategy: -------------------- The weekly EUREF solution (EUR) is created from a combination of the contributing normal equations, after removing the local analysis center (LAC) specific constraints. Covariance rescaling factors are derived from the sampling rate used by each center. In fact all solutions contribute to the combined solution with the same weight. The rescaling factors of all centers are chosen, such that they give the resulting EUREF solution realistic formal errors. Contents of Table 1: To align the EUREF weekly solutions with the terrestrial reference frame the coordinates of a selected set of 'reference stations' are hold fixed. Table 1 shows the selected reference frames and stations. Contents of Table 2: List of resulting files and manual edited remarks. Contents of Table 3: Each station is processed by at least 3 LACs. This redundancy allows for outlier detection in the combination. The table shows a list of stations, which have been excluded in the combination for this week. Contents of Table 4: In order to reduce biases in the combination of the station specific troposphere parameters, which are estimated by the LACs, the solutions of all LACs have to be aligned to a common terrestrial reference frame. In fact all 'coordinate SINEX' and 'troposphere SINEX' files submitted by the LACs are aligned to a common reference frame, which yields a consistency of the combined coordinates and troposphere parameters. This table shows the residuals between the coordinates of the EUREF combined SINEX file and the SINEX files of each LAC (majority voting applied). It indicates the consistency of the reference frame alignmet of the LAC solutions. Contents of Table 5: The comparisons between each individual solution and the combined solution is done using a 7-parameter Helmert transformation. The Helmert parameters are determined using all sites of the individual solutions. In the first part of the Table unweighted rms values (for the coordinate components in the local system North-East-Up), derived from the Helmert residuals, are shown for each site. In the second part of the table an (unweighted) rms is computed for each Analysis Center. These values are derived from the Helmert residuals of all sites of a particular Analysis Center. ------------------------------------------------------------------------------- TABLE 1: REFERENCE FRAME ALIGNMENT ------------------------------------------------------------------------------- GPS WEEKS REFERENCE FRAME REFERENCE STATIONS ------------------------------------------------------------------------------- 0860-0946 ITRF94 BRUS GRAZ KOSG MATE METS ONSA WTZR ZIMM 0947-0981 ITRF96 BOR1 GRAZ KOSG MATE ONSA POTS REYK WTZR ZIMM ZWEN VILL 0982-1020 ITRF96 BOR1 GRAZ KOSG MATE ONSA POTS REYK WTZR ZIMM ZWEN VILL GRAS 1021-1056 ITRF97 BOR1 GRAZ KOSG MATE ONSA POTS REYK WTZR ZWEN VILL GRAS NYA1 TRO1 THU1 1057-1142 ITRF97 BOR1 GRAZ KOSG MATE ONSA POTS REYK WTZR VILL GRAS NYA1 TRO1 THU1 1143-1147 ITRF00 BOR1 GRAZ KOSG MATE ONSA POTS REYK WTZR VILL GRAS NYA1 TRO1 THU1 1148-1278 ITRF00 BOR1 GRAZ KOSG MATE ONSA POTS REYK WTZR VILL GRAS NYA1 TRO1 1279- ITRF00 BOR1 GRAZ KOSG MATE ONSA POTS REYK WTZR VILL GRAS NYA1 ------------------------------------------------------------------------------- TABLE 2: AVAILABLE FILES AND REMARKS: ------------------------------------------------------------------------------- EUR12817.SUM THIS TEXT FILE EUR12817.SNX COMBINED EUROPEAN SOLUTION FOR GPS WEEK 1281 ------------------------------------------------------------------------------- REMARKS: - ------------------------------------------------------------------------------- TABLE 3: EXCLUDED STATIONS ------------------------------------------------------------------------------- --> EXCLUDE STATION: 173 CASC 13909S001 TO -1 CASC SCRATCHDEO --> EXCLUDE STATION: 229 GAIA 13902M001 TO -1 GAIA SCRATCHDEO --> EXCLUDE STATION: 230 LAGO 13903M001 TO -1 LAGO SCRATCHDEO --> EXCLUDE STATION: 227 MALL 13444M001 TO -1 MALL SCRATCHDEO --> EXCLUDE STATION: 231 PDEL 31906M004 TO -1 PDEL SCRATCHDEO --> EXCLUDE STATION: 111 ONSA 10402M004 TO -1 ONSA SCRATCHGOP ------------------------------------------------------------------------------- TABLE 4: COMPARISON OF STATION COORDINATES IN SINEX FILES (IN MM): ------------------------------------------------------------------------------- ASI BEK BKG COE DEO GOP IGE IGN LPT ------------------------------------------------------------------------------- STAX MEAN 9.1 10.1 2.1 0.7 -418.8 6.0 6.5 -187.6 -0.3 STAY MEAN -0.9 -7.0 1.4 -0.4 58.8 5.5 -7.9 0.5 -5.9 STAZ MEAN 6.0 -6.3 3.3 0.9 -277.6 3.6 7.0 -148.8 0.7 ------------------------------------------------------------------------------- STAN MEAN -1.7 -10.3 0.6 -0.7 50.6 -3.0 1.1 18.1 1.2 STAE MEAN -2.2 -8.4 0.5 -0.7 24.9 2.8 -7.3 -2.0 -5.8 STAU MEAN 10.6 2.2 3.7 2.0 -496.2 6.9 9.4 -236.0 -0.1 NKG OLG ROB SGO SUT UPA WUT ----------------------------------------------------------------- STAX MEAN -2.8 6.8 5.8 -5.0 1.2 3.5 2.0 STAY MEAN -2.3 -4.9 1.2 15.5 2.2 6.7 0.3 STAZ MEAN 0.4 -10.2 7.5 -9.2 2.6 0.1 2.4 ----------------------------------------------------------------- STAN MEAN 2.9 -10.1 0.3 -6.5 1.3 -3.1 0.6 STAE MEAN -2.1 -7.0 0.8 15.8 2.1 5.7 -0.6 STAU MEAN -1.4 -4.9 9.4 -6.4 2.0 3.4 2.5 ------------------------------------------------------------------------------- TABLE 5: COMPARISON OF STATION COORDINATES AFTER HELMERT TRANSFORMATION: ------------------------------------------------------------------------------- EUREF COMBINATION WEEK 1281, FREE NETWORK CONDITION ------------------------------------------------------------------------------- PROCESSED FILES : 16 TOTAL NUMBER OF STATIONS: 152 ------------------------------------------------------------------------------- 0000000001111111 RESIDUAL RMS IN MM STATION #FILES 1234567890123456 N E U ------------------------------------------------------------------------------- ALAC 13433M001 5 MM M MM 0.5 0.5 3.4 AQUI 12757M001 4 MM M M 0.4 0.3 4.4 BELL 13431M001 4 MM M M 0.2 3.4 5.0 BZRG 12751M001B 4 MM MM 0.5 2.2 1.5 CAGL 12725M003 4 MM M M 1.4 1.5 4.8 CAME 12754M001 4 M M MM 1.6 1.1 6.0 DUBR 11901M001 5 M M M MM 0.7 0.7 5.1 EBRE 13410M001 5 MM MM M 0.5 1.2 5.9 ELBA 12721M002 3 MM M 0.6 0.1 4.0 GENO 12712M002 3 MM M 0.8 0.6 4.2 MATE 12734M008 4 NNN N 0.8 0.8 2.7 NOT1 12717M004 3 MM M 2.8 1.6 7.6 ORID 15601M001 4 M M MM 1.3 0.6 2.0 SFER 13402M004 5 MM M MM 0.6 1.3 4.9 UNPG 12752M001 3 MM M 1.3 2.9 4.3 VENE 12741M001B 4 MM M M 0.6 2.1 2.0 VILL 13406M001 5 NN NN N 1.3 0.4 5.8 WTZR 14201M010 4 N N N N 1.9 0.7 7.8 ZOUF 12763M001 5 MM M M M 0.8 1.6 3.4 CANT 13438M001 5 M M MM M 0.9 3.1 6.9 TORI 12724M002 3 MM M 0.6 0.6 2.5 MEDI 12711M003 3 MM M 0.8 0.6 4.5 PRAT 12760M001 5 MM M M M 0.5 0.9 3.7 COMO 12761M001 4 MM M M 2.0 0.4 3.3 ACOR 13434M001 5 M M MM M 1.0 2.8 4.5 AJAC 10077M005 4 M M M M 1.1 0.9 3.6 ANKR 20805M002 4 MMM M 0.6 0.5 4.1 ISTA 20807M001 4 MM M M 0.5 0.5 1.4 SOFI 11101M002 4 MM M M 0.8 0.5 2.8 CASC 13909S001 4 M M MM 0.4 1.6 4.4 LPAL 81701M001 3 M M M 1.5 2.7 3.2 CEUT 13449M001 4 M M MM 0.4 2.5 6.4 MAS1 31303M002 5 M MM MM 1.1 2.5 5.8 RABT 35001M002 4 MM M M 0.8 0.8 7.7 CREU 13432M001 5 M M MM M 0.5 1.2 7.2 RAMO 20703S001B 3 M M M 1.1 0.6 3.4 ESCO 13435M001 5 M M MM M 0.4 0.8 2.6 LLIV 13436M001 4 M MM M 0.4 1.4 3.1 GSR1 14501M001B 3 M M M 0.3 1.5 4.1 GRAS 10002M006 4 N NN N 0.3 0.4 3.6 IENG 12724S001 5 M M MM M 0.3 0.3 1.4 TUBI 20806M001 4 MM M M 0.5 0.6 1.7 NICO 14302M001 3 MM M 1.1 1.1 1.3 NSSP 12312M001 3 M M M 1.4 2.0 5.7 PADO 12750S001 4 M M M M 0.6 0.4 2.5 SJDV 10090M001 3 M M M 0.3 0.2 2.0 TLSE 10003M009 4 M M M M 0.5 1.0 5.4 CAGZ 12725M004 2 M M 0.3 0.8 4.9 MARS 10073M008 3 M M M 0.2 1.1 3.5 ALME 13437M001 5 MMM M M 0.8 0.9 6.0 YEBE 13420M001 5 M M MM M 0.7 0.4 3.8 BUCU 11401M001 4 M M M M 0.6 0.5 2.4 OSJE 11902M001 4 M M M M 0.5 0.5 2.9 BUDP 10101M003 4 M MM M 0.2 0.2 1.4 BORK 14268M001 3 M M M 0.6 0.3 2.4 NPLD 13234M003 3 MM M 0.3 0.1 3.4 BRUS 13101M004 4 M M MM 0.5 0.1 3.5 DRES 14108M001 3 M M M 0.2 0.2 1.2 GRAZ 11001M002 4 N N N N 0.5 0.6 4.8 KARL 14216M001B 3 M M M 0.3 0.1 2.0 KOSG 13504M003 4 N N N N 0.2 0.3 2.7 OBE2 14208M003 4 M M MM 0.5 0.8 3.0 PFAN 11005S002 3 M M M 0.1 0.6 2.7 POTS 14106M003 3 N N N 0.0 0.1 2.2 SMID 10114M001 3 M M M 0.2 0.1 0.9 EUSK 14258M003B 3 M M M 0.1 0.1 1.1 HERT 13212M010 3 M M M 0.5 0.3 4.3 WARN 14277M002 3 M M M 0.7 0.2 2.7 GLSV 12356M001 3 MM M 0.1 0.3 6.0 TRAB 20808M001 3 M M M 1.4 1.7 4.6 HERS 13212M007 3 M M M 0.3 0.2 2.0 HELG 14264M001 4 MM M M 0.4 0.2 2.4 HOFN 10204M002 4 MM M M 1.6 0.7 6.4 REYK 10202M001 4 NN N N 1.1 0.6 1.2 VIL0 10424M001 3 MM M 0.4 0.5 3.1 HOBU 14202M003 3 M MM 0.2 0.1 1.0 HOER 14284M001 4 M MM M 0.6 0.2 3.1 KLOP 14214M002B 4 M M M M 0.1 0.6 3.0 KIRU 10403M002B 3 MM M 0.7 0.9 3.8 WROC 12217M001 3 M M M 0.6 0.6 3.7 METS 10503S011 4 M M M M 0.5 0.4 1.4 MALL 13444M001 4 M MMM 0.9 0.5 7.7 MORP 13299S001 3 MM M 0.5 0.3 3.6 NEWL 13273M103 4 M MM M 0.6 0.1 1.8 ONSA 10402M004 3 N N N 0.2 0.5 1.5 PTBB 14234M001 4 MM MM 0.7 0.1 2.1 STAS 10330M001 4 M MM M 2.3 1.1 5.8 SASS 14281M001 3 M M M 0.1 0.2 2.1 ZECK 12351M001 3 MM M 0.9 1.1 5.8 TRDS 10331M001 3 M M M 0.7 0.6 2.5 ZWEN 12330M001 3 MM M 0.5 0.2 4.4 BRST 10004M004 4 M M M M 1.1 0.5 5.9 BOGO 12207M002 3 M M M 0.4 0.6 3.2 BOR1 12205M002 4 N N N N 0.7 0.2 3.7 DELF 13502M004 3 M M M 0.2 0.1 3.6 DOUR 13113M001 3 M M M 0.2 0.2 4.1 JOEN 10512M001 3 M M M 0.5 0.4 3.5 KELY 43005M001 3 M M M 0.6 2.5 1.9 KIR0 10422M001 3 M M M 0.2 0.5 2.9 LAMA 12209M001B 3 M M M 0.5 0.2 2.5 MAR6 10405M002 3 M M M 0.2 0.4 2.5 NYA1 10317M003 3 N N N 0.8 0.9 2.8 PDEL 31906M004 3 M M M 1.6 3.1 5.0 QAQ1 43007M001 3 M M M 1.0 2.1 11.0 SODA 10513M001 3 M MM 0.5 0.3 3.0 TERS 13534M001 3 M M M 0.3 0.2 3.8 THU3 43001M002 3 M M M 1.3 2.0 4.0 TRO1 10302M006 3 M M M 0.4 0.6 2.9 VAAS 10511M001 3 M MM 0.9 0.3 5.4 ZIMM 14001M004 4 M M M M 0.7 0.6 2.3 LROC 10023M001 4 M MM M 0.5 0.2 1.4 CACE 13447M001 3 M MM 0.2 3.6 6.6 CHIZ 10020M001 4 MM M M 0.5 0.4 1.3 VALE 13439M001 3 MMM 1.1 2.8 9.8 MANS 10091M001 4 M M M M 0.9 0.4 3.9 VIS0 10423M001 3 M MM 0.7 0.4 1.9 DRAG 20710S001 3 M M M 1.1 1.0 2.4 GANP 11515M001 4 M MM M 0.4 0.2 2.3 GOPE 11502M002 4 M M M M 0.2 0.4 4.5 KATO 12219S001 3 M M M 0.2 0.5 3.0 NYIR 11208M001 3 M M M 0.2 0.4 2.3 KRAW 12218M001 4 M M M M 0.3 0.3 2.8 MIKL 12335M001 4 M M M M 0.9 1.1 4.0 SKE0 10426M001 3 M M M 0.2 0.5 2.9 POLV 12336M001 4 M M M M 0.2 1.2 1.4 MOPI 11507M001 4 M M M M 0.6 0.6 3.0 TUBO 11503M001 4 M M MM 0.3 0.5 3.1 OSLS 10307M001 3 M M M 0.5 0.1 1.8 RIGA 12302M002 4 M M M M 1.1 1.2 1.8 SULP 12366M001 4 M MM M 0.2 0.6 3.8 SVTL 12350M001 4 M M M M 2.0 0.9 2.0 VLNS 10801M001 3 M M M 0.5 0.6 1.1 ZYWI 12220S001 4 M M M M 0.2 0.4 4.0 OROS 11207M001 4 M M MM 0.5 0.6 3.3 EIJS 13533M001 3 M M M 0.1 0.4 1.2 GAIA 13902M001 2 MM 0.7 1.5 2.0 LAGO 13903M001 2 M M 1.1 1.9 4.0 DARE 13208S001 3 M M M 0.7 1.4 2.6 DENT 13112M001 3 MM M 0.4 0.1 2.0 WARE 13114M001 3 MM M 0.4 0.3 1.0 MLVL 10092M001B 4 MM M M 0.6 0.2 3.1 WSRT 13506M005 3 MM M 0.2 0.2 0.5 REDU 13102M001 3 M M M 0.1 0.4 1.6 JOZE 12204M001 4 MM M M 0.9 0.6 3.0 SPT0 10425M001 3 M M M 0.3 0.2 1.2 SULD 10113M001 3 M M M 0.1 0.2 2.0 VARS 10322M002 3 MM M 1.8 0.7 5.5 PENC 11206M006 3 M M M 0.4 0.2 1.3 JOZ2 12204M002 3 M M M 0.7 0.8 2.5 BOGI 12207M003 2 M M 0.8 0.8 5.7 INVE 13221S001 3 M M M 0.7 0.6 5.5 OBET 14208M004 2 M M 0.3 0.5 0.7 ------------------------------------------------------------------------------- FLAGS: M: MEAN, F: FIXED, N: FREE NETWORK RESTRICTIONS 1 ------------------------------------------------------------------------------- UNWEIGHTED RMS VALUES WITH RESPECT TO THE COMBINED SOLUTION IN MM ------------------------------------------------------------------------------- PROCESSED FILES : 16 TOTAL NUMBER OF STATIONS: 152 ------------------------------------------------------------------------------- FILE GRP #SITES COV.COMP. COMPONENT RMS --------------------------------------------------- N 1.3 1 ASI 24 0.0160 E 2.2 U 5.4 --------------------------------------------------- N 0.7 2 BEK 44 0.0200 E 0.7 U 3.2 --------------------------------------------------- N 0.7 3 BKG 53 0.0200 E 0.4 U 4.0 --------------------------------------------------- N 0.6 4 COE 40 0.0200 E 0.5 U 2.5 --------------------------------------------------- N 1.0 5 DEO 21 0.0160 E 2.9 U 7.2 --------------------------------------------------- N 0.5 6 GOP 38 0.0200 E 0.6 U 2.8 --------------------------------------------------- N 0.4 7 IGE 29 0.0200 E 0.8 U 2.7 --------------------------------------------------- N 0.5 8 IGN 28 0.0200 E 0.4 U 2.4 --------------------------------------------------- N 0.2 9 LPT 21 0.0200 E 0.2 U 1.9 --------------------------------------------------- N 0.5 10 NKG 42 0.0200 E 0.5 U 2.5 --------------------------------------------------- N 0.7 11 OLG 42 0.0200 E 0.7 U 2.8 --------------------------------------------------- N 0.3 12 ROB 41 0.0200 E 0.4 U 2.0 --------------------------------------------------- N 0.3 13 SGO 21 0.0200 E 0.4 U 2.7 --------------------------------------------------- N 1.3 14 SUT 32 0.0200 E 0.9 U 4.9 --------------------------------------------------- N 0.3 15 UPA 21 0.0200 E 0.5 U 1.8 --------------------------------------------------- N 0.9 16 WUT 43 0.0200 E 1.1 U 3.5 --------------------------------------------------- N 0.7 MEAN 152 E 0.9 U 3.4