[IGSREPORT-5105] Wk 0962 G-SINEX Comparisons
AC
AC
Thu Jul 9 17:49:00 PDT 1998
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IGS Electronic Report Thu Jul 9 17:49:00 PDT 1998 Message Number 5105
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Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0962 G-SINEX Comparisons
Subject: Wk 0962 G-SINEX Comparisons
Comparison of GNAAC Combined SINEX Solutions - Week 0962
(JUN 14, 1998 - JUN 20, 1998)
Contacts: J. Kouba (kouba at geod.emr.ca)
D. Hutchison (hutch at geod.emr.ca)
R. Ferland (ferland at geod.emr.ca)
COMPARISON ALGORITHM:
1. MIT and NCL GNAAC combined SINEX solutions for the week in question
were deconstrained. The JPL SINEX file is already unconstrained.
2. Any stations not present in all GNAAC combined SINEX files were de-
leted from all three combined solutions. Every solution was then sub-
jected to a 7-parameter transformation into a common reference system
(the 47 ITRF96 station positions).
3. Outliers are determined at the 99.0% confidence level for each coordin-
ate. If a station has an outlier in either latitude, longitude, or
height, it is ignored in all subsequent computations.
FILES COMPARED:
mit0962g.snx at cddis.gsfc.nasa.gov
jpl0962g.snx at cddis.gsfc.nasa.gov
ncl0962g.snx at cddis.gsfc.nasa.gov
GNAACs: MIT JPL NCL
STATIONS WITH INCONSISTENT ANTENNA ECCENTRICITY INFORMATION:
(FILE: / STATION / L1 (UNE) / L2 (UNE) / ECCENTRICITY (UNE))
(UNE = Up North East (metres))
jpl0962g.snx: BARB .000 .000 .000 .000 .000 .000 .000 .000 .000
mit0962g.snx: BARB .110 .000 .000 .128 .000 .000 .000 .000 .000
- Unresolvable. No log file.
jpl0962g.snx: INEG .000 .000 .000 .000 .000 .000 .130 .000 .000
mit0962g.snx: INEG .080 .000 .001 .079 -.001 .001 .130 .000 .000
- Unresolvable. No log file.
jpl0962g.snx: MDVO .000 .000 .000 .000 .000 .000 .146 .000 .000
mit0962g.snx: MDVO .078 .000 -.003 .074 -.003 -.001 .146 .000 .000
- Latest log file indicates L1/L2 offset should be 0.0692 M.
(Not listed in igs.snx.)
jpl0962g.snx: HFLK .078 .000 .000 .096 .000 .000 .000 .000 .000
ncl0962g.snx: HRAO .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0962g.snx: MONP .000 .000 .000 .000 .000 .000 .119 .000 .000
jpl0962g.snx: SFER .075 .002 -.001 .069 -.001 .002 1.626 .000 .000
jpl0962g.snx: SUTH .000 .000 .000 .000 .000 .000 .119 .000 .000
mit0962g.snx: TROM .078 .000 .000 .096 .000 .000 2.475 .000 .000
mit0962g.snx: WUHN .110 .000 .000 .128 .000 .000 2.320 .000 .000
FILE ncl0962g.snx MISSING THE SITE/GPS_PHASE_CENTER BLOCK.
DEFAULTING TO KNOWN L1/L2 OFFSETS AND ECCENTRICITIES.
ANTENNA PHASE CENTRE CONFLICTS IN FILE jpl0962g.snx
(MODEL / SER. NO. / L1 (UNE) / L2 (UNE))
(UNE = Up North East (metres))
DORNE MARGOLIN B ----- .078 .000 .000 .096 .000 .000
DORNE MARGOLIN B ----- .000 .000 .000 .000 .000 .000
SITES AFFECTED BY ABOVE CONFLICTS, NON-FIDUCIAL SITES SUBSEQUENTLY EXCLUDED:
Stations: NYAL
ANTENNA PHASE CENTRE CONFLICTS IN FILE mit0962g.snx
GALA Multiple Sites
IISC Multiple Sites
SITES AFFECTED BY ABOVE CONFLICTS, NON-FIDUCIAL SITES SUBSEQUENTLY EXCLUDED:
Stations: GALA IISC
CONFIDENCE LEVEL FOR OUTLIER DETECTION (ITRF96): 99%
OUTLIERS REJECTED (COORD/STATION/GNAACs):
Lat COCO JPL-NCL Lat COCO MIT-NCL Lat DGAR MIT-NCL
Lat NTUS MIT-NCL Lon KOUR JPL-NCL Lon FORT MIT-NCL
Lon EISL MIT-NCL Lon KOUR MIT-NCL Hgt COCO JPL-NCL
Hgt COCO MIT-NCL Hgt WHIT MIT-NCL
60 GLOBAL STATIONS:
ALGO AREQ ASC1 AUCK BAHR BOGT BRMU CHAT CRO1 DAV1
DRAO FAIR GODE GOLD GRAZ GUAM HARK HOB2 IRKT KELY
KERG KIT3 KOKB KOSG KSTU KWJ1 LHAS LPGS MAC1 MADR
MALI MATE MCM4 MDO1 METS MKEA NLIB NRC1 OHIG ONSA
PERT PIE1 POTS RCM6 REYK SANT SHAO STJO THU1 TIDB
TROM TSKB USNO USUD VILL WES2 WTZR YAR1 YELL ZWEN
42 FIDUCIAL STATIONS:
ALGO BRMU DAV1 DRAO FAIR FORT GODE GOLD GRAZ GUAM
HOB2 IRKT KERG KIT3 KOKB KOSG KOUR KWJ1 LHAS MAC1
MADR MALI MATE MDO1 NLIB OHIG ONSA PERT PIE1 POTS
SANT SHAO THU1 TIDB TROM TSKB VILL WES2 WTZR YAR1
YELL ZWEN
AVERAGE COORDINATE RMS USING ITRF96:
60 GLOBAL STATIONS 42 FIDUCIAL STATIONS
MIT-JPL MIT-NCL JPL-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
(mm) (mm) (mm) (mm) (mm) (mm)
------- ------- ------- ---------- ---------- ----------
Lat 1.1 1.7 0.9 4.9 5.3 5.3
Lon 1.0 2.1 1.5 7.8 8.0 8.7
Hgt 1.9 4.4 3.4 10.5 9.9 9.7
3D 2.4 5.2 3.8 13.9 13.8 14.1
VARIANCE FACTORS WITH ITRF96 (CHI-SQUARE / (DEGREES OF FREEDOM)):
60 GLOBAL STATIONS 42 FIDUCIAL STATIONS
JPL-NCL MIT-JPL MIT-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
------- ------- ------- ---------- ---------- ----------
0.213 0.299 0.625 5.377 4.698 3.519
OFFSETS AND SCALE FACTOR WRT ITRF96 (FIDUCIAL STATIONS):
(TRANSFORMATION FROM ITRF96 TO GNAAC SINEX FILES)
Tx (mm) STD(mm) Ty (mm) STD(mm) Tz (mm) STD(mm) Scale (ppb) STD(ppb)
------- ------- ------- ------- ------- ------- ----------- --------
JPL 0.7 3.0 14.0 3.0 -15.6 5.0 -0.7 0.1
MIT -0.7 1.9 3.8 1.9 -20.0 3.3 -1.2 0.1
NCL 8.5 3.6 20.9 4.0 -7.6 6.1 0.0 0.2
REMARKS:
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM mit0962g.snx :
Stations: BRAZ MASP
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM jpl0962g.snx :
Stations: BRAZ
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM ncl0962g.snx :
Stations: BRAZ HART MASP
IERS DOMES NO IGS MIT NCL
============= ====== ====== ======
42202M005 AREQ A AREQ A AREQ A
ARE1 A
42005M001 GALA A GALA A GALA A
GAL1 A GALA B
40451M123 GODE A GODE A GODE A
40451S003 USNO A USNO A USNO A
40405S031 GOL2 A GOL2 A GOLD A
GOLD A GOLD A
GOL1 A
30302M007 HARK A HARK A HARK A
HART A HART B
HAR1 A
30302M004 HRAO A HRAO A HRAO A
22306M002 IISC A IISC A IISC A
IIS1 A IISC B
13407S012 MAD2 A MAD2 A MADR A
MADR A MADR A
31303M002 MAS1 A
MASP A
31303M001 MAS1 A
12309M002 MDVO A
12309M001 MDVO A
10317M003 NYA1 A NYA1 A
10317M001 NYAL A NYAL A NYAL A
40499S020 RCM6 A RICH A RCM6 A
RICH A
50103M108 TID2 A TIDB A TIDB A
TIDB A TID2 A
10302M006 TRO1 A TRO1 A
10302M003 TROM A TROM A TROM A
12353M001 YAKA A
YAKZ A
50107M004 YAR1 A YAR1 A YAR1 A
YAR2 A
MISSING IERS DOMES NOS AT IGS:
-----------------------------
BAKO A BISH A ELAT A INEG A KATZ A RIOG A TELA A URUM A
MISSING IERS DOMES NOS AT MIT:
-----------------------------
SFER A HOFN A LPGS A SCH2 A RIOG A SOL1 A USNA A AOML A RCM6 A CHUR A
DUBO A FLIN A INEG A PRDS A WILL A WSLR A NANO A UCLU A HOLB A WHIT A
THTI A NOUM A YAKZ A YAKA A SUWN A WUHN A BAKO A URUM A SELE A BISH A
NSSP A ZECK A KATZ A ELAT A TELA A NICO A NOTO A MEDI A HFLK A OBER A
CAGL A WSRT A TOUL A EBRE A
IERS DOMES NO COD NRC ESA GFZ IGS NOA SIO
============= ====== ====== ====== ====== ====== ====== ======
22306M002 IISC A IISC B IISC A IISC A IISC B
22306M001 IISC A
30302M004 HRAO A HRAO A HRAO A
30302M007 HART A HART B HART B HARK A HARK A HART B
30302M002 HART B
31303M002 MASP A MASP B MASP B MAS1 A MAS1 A MASP B
31303M001 MASP A
10317M003 NYAL A NYA1 A NYA1 A
10317M001 NYAL A NYAL A NYAL A
10302M006 TROM A TRO1 A
10302M003 TROM A TROM A TROM A
12309M002 MDVO A MDVO A
12309M001 MDVO A
40405S031 GOLD A GOLD A GOLD A GOL2 A GOL2 A GOLD B GOLD A
40451S003 USNO A USNO A USNO A USNO A
40451M123 GODE A GODE A GODE A GODE A
40499S020 RICH A RCM6 A RCM6 A RCM6 A
42202M005 AREQ A AREQ B AREQ B AREQ A AREQ B AREQ A
50103M108 TIDB A TIDB A TIDB A TID2 A TID2 A TIDB A TIDB A
50107M004 YAR1 A YAR1 A YAR1 A YAR2 A YAR1 A YAR1 A YAR1 A
42005M001 GALA A GALA A GALA A GALA B
22601M001 NTUS A NTUS A NTUS A NTUS A
22601M002 NTUS A
13407S012 MADR A MAD2 A MADR A MADR A
MISSING IERS DOMES NOS AT GFZ:
-----------------------------
BISH A URUM A RIOG A
MISSING IERS DOMES NOS AT SIO:
-----------------------------
MAD2 A SFER A ASC1 A HOFN A LPGS A CRO1 A SCH2 A NRC1 A SOL1 A USNA A
USNO A AOML A RCM6 A CHUR A DUBO A FLIN A INEG A PRDS A WILL A WSLR A
NANO A UCLU A HOLB A WHIT A THTI A MKEA A KWJ1 A NOUM A PETR A MAG0 A
YAKA A YAKZ A SUWN A WUHN A BAKO A NTUS A COCO A KSTU A SELE A DGAR A
BAHR A NSSP A ZECK A KATZ A ELAT A TELA A NICO A HARK A HRAO A NOTO A
MEDI A HFLK A OBER A CAGL A WSRT A TOUL A EBRE A
--
David Hutchison
Geodetic Survey of Canada
Ottawa, Ontario, Canada
Internet: hutch at geod.emr.ca
[Mailed From: David Hutchison <hutch at geod.emr.ca>]
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