[IGSREPORT-5103] Wk 0960 G-SINEX Comparisons
AC
AC
Thu Jul 9 17:46:01 PDT 1998
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IGS Electronic Report Thu Jul 9 17:46:01 PDT 1998 Message Number 5103
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Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0960 G-SINEX Comparisons
Subject: Wk 0960 G-SINEX Comparisons
Comparison of GNAAC Combined SINEX Solutions - Week 0960
(MAY 31, 1998 - JUN 6, 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:
mit0960g.snx at cddis.gsfc.nasa.gov
jpl0960g.snx at cddis.gsfc.nasa.gov
ncl0960g.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))
jpl0960g.snx: INEG .000 .000 .000 .000 .000 .000 .130 .000 .000
mit0960g.snx: INEG .080 .000 .001 .079 -.001 .001 .130 .000 .000
- Unresolvable. No log file.
jpl0960g.snx: MDVO .000 .000 .000 .000 .000 .000 .146 .000 .000
mit0960g.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.)
jpl0960g.snx: HFLK .078 .000 .000 .096 .000 .000 .000 .000 .000
mit0960g.snx: HFLK .078 .000 .000 .096 .000 .000 .011 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity -.020 M.
jpl0960g.snx: MONP .000 .000 .000 .000 .000 .000 .119 .000 .000
jpl0960g.snx: SFER .075 .002 -.001 .069 -.001 .002 1.626 .000 .000
jpl0960g.snx: SUTH .000 .000 .000 .000 .000 .000 .119 .000 .000
mit0960g.snx: TROM .078 .000 .000 .096 .000 .000 2.475 .000 .000
ncl0960g.snx: HRAO .110 .000 .000 .128 .000 .000 .000 .000 .000
FILE ncl0960g.snx MISSING THE SITE/GPS_PHASE_CENTER BLOCK.
DEFAULTING TO KNOWN L1/L2 OFFSETS AND ECCENTRICITIES.
ANTENNA PHASE CENTRE CONFLICTS IN FILE jpl0960g.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 mit0960g.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 DGAR MIT-NCL Lon SHAO MIT-JPL Lon MKEA MIT-NCL
Lon EISL MIT-NCL Lon FORT MIT-NCL Lon SHAO MIT-NCL
Lon KOUR MIT-NCL Lon LPGS MIT-NCL Hgt COCO JPL-NCL
Hgt HOB2 MIT-JPL Hgt COCO MIT-NCL Hgt CAS1 MIT-NCL
55 GLOBAL STATIONS:
ALBH ALGO AREQ ASC1 AUCK BAHR BOGT BRMU CHAT DAV1
DRAO FAIR GOLD GUAM HARK IRKT KELY KERG KIT3 KOKB
KOSG KWJ1 LHAS MAC1 MADR MALI MATE MCM4 MDO1 METS
NLIB NRC1 NTUS OHIG ONSA PERT POL2 POTS RCM6 REYK
SANT STJO THU1 TIDB TROM TSKB USNO USUD VILL WES2
WHIT WTZR YAR1 YELL ZWEN
39 FIDUCIAL STATIONS:
ALGO BRMU DAV1 DRAO FAIR FORT GOLD GUAM HOB2 IRKT
KERG KIT3 KOKB KOSG KOUR KWJ1 LHAS MAC1 MADR MALI
MATE MDO1 NLIB OHIG ONSA PERT POTS SANT SHAO THU1
TIDB TROM TSKB VILL WES2 WTZR YAR1 YELL ZWEN
AVERAGE COORDINATE RMS USING ITRF96:
55 GLOBAL STATIONS 39 FIDUCIAL STATIONS
MIT-JPL MIT-NCL JPL-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
(mm) (mm) (mm) (mm) (mm) (mm)
------- ------- ------- ---------- ---------- ----------
Lat 1.3 1.9 1.1 4.6 5.2 5.4
Lon 1.4 2.1 1.7 6.3 6.2 6.3
Hgt 3.9 5.4 3.9 11.9 11.0 10.6
3D 4.4 6.1 4.4 14.3 13.7 13.4
VARIANCE FACTORS WITH ITRF96 (CHI-SQUARE / (DEGREES OF FREEDOM)):
64 GLOBAL STATIONS 39 FIDUCIAL STATIONS
JPL-NCL MIT-JPL MIT-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
------- ------- ------- ---------- ---------- ----------
0.328 0.813 0.853 4.406 4.189 2.874
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 -3.4 2.7 11.7 2.8 -16.1 4.5 -0.5 0.1
MIT -7.0 1.9 6.4 1.9 -17.0 3.0 -0.9 0.1
NCL 2.0 3.2 13.6 3.5 -10.4 5.7 0.0 0.2
REMARKS:
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM mit0960g.snx :
Stations: BRAZ MASP
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM jpl0960g.snx :
Stations: BRAZ
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM ncl0960g.snx :
Stations: BRAZ GODE GRAZ HART MASP PIE1
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
40451S003 USNO A USNO A
40405S031 GOL2 A GOL2 A GOLD A
GOLD A GOLD A
GOL1 A
30302M007 HARK A HART B HARK A
HART A
HAR1 A
30302M004 HRAO A HRAO A
22306M002 IISC A IISC B IISC A
IIS1 A
22306M001 IISC A
13407S012 MAD2 A MADR A MADR A
MADR A
31303M002 MAS1 A
MASP A
31303M001 MAS1 A
12309M002 MDVO A
MDV1 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:
-----------------------------
MAD2 A SFER A ASC1 A HOFN A LPGS A CRO1 A SCH2 A RIOG 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 MKEA A KWJ1 A NOUM A PETR A MAG0 A
YAKZ A YAKA A SUWN A WUHN A BAKO A NTUS A COCO A KSTU A URUM A SELE A
BISH 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
IERS DOMES NO COD NRC ESA GFZ IGS NOA SIO
============= ====== ====== ====== ====== ====== ====== ======
50107M004 YAR1 A YAR1 A YAR1 A YAR2 A YAR1 A YAR1 A YAR1 A
31303M002 MASP A MASP B MASP B MAS1 A MAS1 A MASP B
31303M001 MASP A
42005M001 GALA A GALA A GALA A GALA B
10317M003 NYAL A NYA1 A NYA1 A
10317M001 NYAL A NYAL A NYAL A NYAL A
12309M002 MDVO A MDVO B
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
40499S020 RICH A RCM6 A RCM6 A RCM6 A
42202M005 AREQ A AREQ B AREQ B AREQ A AREQ A AREQ B AREQ A
50103M108 TIDB A TIDB A TIDB A TID2 A TID2 A TIDB A TIDB A
30302M004 HRAO A HRAO A HRAO A
30302M007 HART A HART B HART B HARK A HARK A HART B
30302M002 HART B
22601M001 NTUS A NTUS A NTUS A NTUS A
22601M002 NTUS A
12353M001 YAKZ A YAKA A
YAKZ A
22306M002 IISC A IISC B IISC A IISC A IISC B
22306M001 IISC A
10302M006 TROM A TRO1 A
10302M003 TROM A TROM A TROM A
92201M006 TAHI A
92201M009 THTI 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 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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