[IGSREPORT-5010] Wk 0952 G-SINEX Comparisons
AC
AC
Tue Jun 16 09:39:15 PDT 1998
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IGS Electronic Report Tue Jun 16 9:39:15 PDT 1998 Message Number 5010
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Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0952 G-SINEX Comparisons
Subject: Wk 0952 G-SINEX Comparisons
Comparison of GNAAC Combined SINEX Solutions - Week 0952
(APR 5, 1998 - APR 11, 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:
mit0952g.snx at cddis.gsfc.nasa.gov
jpl0952g.snx at cddis.gsfc.nasa.gov
ncl0952g.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))
jpl0952g.snx: BARB .110 .000 .000 .128 .000 .000 .000 .000 .000
mit0952g.snx: BARB .110 .000 .000 .128 .000 .000 .000 .000 .000
ncl0952g.snx: BARB .000 .000 .000 .000 .000 .000 .000 .000 .000
- Unresolvable (no log file)
jpl0952g.snx: BISH .075 .002 -.001 .069 -.001 .002 .046 .000 .000
mit0952g.snx: BISH .078 .000 -.003 .074 -.003 -.001 .046 .000 .000
- Unresolvable (no log file)
jpl0952g.snx: ELAT .069 .000 .000 .068 .000 .000 -.011 .000 .000
mit0952g.snx: ELAT .078 .000 -.003 .074 -.003 -.001 -.011 .000 .000
- Unresolvable (no log file)
jpl0952g.snx: KATZ .069 .000 .000 .068 .000 .000 -.012 .000 .000
mit0952g.snx: KATZ .078 .000 -.003 .074 -.003 -.001 -.012 .000 .000
- Unresolvable (no log file)
jpl0952g.snx: TELA .069 .000 .000 .068 .000 .000 .000 .000 .000
mit0952g.snx: TELA .078 .000 -.003 .074 -.003 -.001 .000 .000 .000
- Unresolvable (no log file)
jpl0952g.snx: HARK .110 .000 .000 .128 .000 .000 9.754 .000 .000
jpl0952g.snx: HART .110 .000 .000 .128 .000 .000 9.754 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity 9.803 M.
jpl0952g.snx: MALI .078 .000 .000 .096 .000 .000 .222 .000 .000
mit0952g.snx: MALI .110 .000 .000 .128 .000 .000 .170 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity .135 M.
jpl0952g.snx: MDVO .078 .000 -.003 .074 -.003 -.001 .146 .000 .000
mit0952g.snx: MDVO .078 .000 -.003 .074 -.003 -.001 .146 .000 .000
ncl0952g.snx: MDVO .000 .000 .000 .000 .000 .000 .146 .000 .000
- All 3 wrong. Should be L1/L2 offset both .069 M., eccentricity .146 M.
jpl0952g.snx: MEDI .110 .000 .000 .128 .000 .000 .146 .000 .000
mit0952g.snx: MEDI .110 .000 .000 .128 .000 .000 -.146 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity .000 M.
jpl0952g.snx: NOUM .078 .000 -.003 .074 -.003 -.001 .000 .000 .000
mit0952g.snx: NOUM .075 .002 -.001 .069 -.001 .002 .000 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity 0.000 M.
jpl0952g.snx: TROM .078 .000 .000 .096 .000 .000 2.473 .000 .000
mit0952g.snx: TROM .078 .000 .000 .096 .000 .000 2.473 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity 2.369 M.
jpl0952g.snx: CAGL .110 .000 .000 .128 .000 .000 .000 .000 .000
mit0952g.snx: CICE .110 .000 .000 .128 .000 .000 .083 .000 .000
jpl0952g.snx: EBRE .078 .000 -.003 .074 -.003 -.001 .000 .000 .000
jpl0952g.snx: GALA .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0952g.snx: HOFN .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0952g.snx: HRAO .110 .000 .000 .128 .000 .000 9.754 .000 .000
jpl0952g.snx: KOUR .078 .000 .000 .096 .000 .000 .132 .000 .000
jpl0952g.snx: LPGS .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0952g.snx: NICO .110 .000 .000 .128 .000 .000 .000 .000 .000
mit0952g.snx: NYAL .078 .000 .000 .096 .000 .000 5.216 .004 .001
jpl0952g.snx: SELE .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0952g.snx: SFER .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0952g.snx: SOFI .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0952g.snx: UPAD .078 .000 -.003 .074 -.003 -.001 1.962 .000 .000
jpl0952g.snx: WSRT .110 .000 .000 .128 .000 .000 .380 .000 .000
jpl0952g.snx: WUHN .110 .000 .000 .128 .000 .000 2.320 .000 .000
jpl0952g.snx: YAR1 .078 .000 .000 .096 .000 .000 .073 .000 .000
jpl0952g.snx: ZECK .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0952g.snx: ZIMM .069 .000 .000 .068 .000 .000 .000 .000 .000
FILE ncl0952g.snx MISSING THE SITE/GPS_PHASE_CENTER BLOCK.
DEFAULTING TO KNOWN L1/L2 OFFSETS AND ECCENTRICITIES.
CONFIDENCE LEVEL FOR OUTLIER DETECTION (ITRF96): 99%
OUTLIERS REJECTED (COORD/STATION/GNAACs):
Lat RCM6 MIT-JPL Lat MCM4 MIT-JPL Lon TAHI MIT-JPL
Lon DGAR MIT-JPL Lon SANT MIT-JPL Lon TAHI MIT-NCL
Lon SANT MIT-NCL Lon AREQ MIT-NCL Hgt NTUS MIT-JPL
Hgt COCO MIT-JPL Hgt AREQ MIT-JPL Hgt DGAR MIT-JPL
Hgt NTUS MIT-NCL Hgt AREQ MIT-NCL
60 GLOBAL STATIONS:
ALBH ALGO ANKR ASC1 AUCK BAHR BOGT BRMU CAS1 CHAT
CRO1 DAV1 DRAO EISL FAIR FORT GODE GOLD GRAZ GUAM
HOB2 IRKT KELY KERG KIRU KIT3 KOKB KOSG KSTU KWJ1
LHAS MAC1 MADR MAG0 MATE MDO1 MKEA NLIB NRC1 ONSA
PERT PETR PIE1 POL2 POTS REYK SHAO STJO TAEJ TIDB
TROM TSKB USNO USUD WES2 WHIT WTZR YAR1 YELL ZWEN
37 FIDUCIAL STATIONS:
ALGO BRMU DAV1 DRAO FAIR FORT GODE GOLD GRAZ GUAM
HOB2 IRKT KERG KIT3 KOKB KOSG KWJ1 LHAS MAC1 MADR
MATE MDO1 NLIB ONSA PERT PIE1 POTS SANT SHAO TIDB
TROM TSKB WES2 WTZR YAR1 YELL ZWEN
AVERAGE COORDINATE RMS USING ITRF96:
60 GLOBAL STATIONS 37 FIDUCIAL STATIONS
MIT-JPL MIT-NCL JPL-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
(mm) (mm) (mm) (mm) (mm) (mm)
------- ------- ------- ---------- ---------- ----------
Lat 1.0 0.9 0.5 5.3 5.5 5.6
Lon 1.3 1.0 0.8 5.8 6.4 6.1
Hgt 2.0 2.0 1.3 9.5 9.3 9.2
3D 2.6 2.4 1.6 12.3 12.5 12.3
VARIANCE FACTORS WITH ITRF96 (CHI-SQUARE / (DEGREES OF FREEDOM)):
68 GLOBAL STATIONS 37 FIDUCIAL STATIONS
JPL-NCL MIT-JPL MIT-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
------- ------- ------- ---------- ---------- ----------
0.043 0.216 0.142 3.253 3.738 2.600
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 -10.8 3.1 19.2 3.1 -15.8 5.0 -0.6 0.1
MIT -7.8 2.4 11.9 2.5 -10.1 3.7 -0.5 0.1
NCL -8.0 3.1 17.7 3.4 -9.6 5.1 -0.4 0.2
REMARKS:
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM mit0952g.snx :
Stations: BRAZ MASP OHIG VILL
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM jpl0952g.snx :
Stations: BRAZ OHIG VILL
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM ncl0952g.snx :
Stations: BRAZ HART MASP OHIG THU1 VILL
IERS DOMES NO JPL MIT NCL
============= ====== ====== ======
42202M005 AREQ A AREQ A AREQ A
ARE1 A
40400M007 CICE A CICE A
JPLM A JPLM A
40451M123 GODE A GODE A GODE A
40451S003 USNO A
40405S031 GOL2 A GOL2 A GOLD A
GOL1 A GOLD A
GOLD A
30302M002 HART A
HARK A
HAR1 A
HRAO A
30302M007 HART B HARK A
30302M004 HRAO A
22306M001 IISC A
22306M002 IISC A
13407S012 MADR A MADR A MADR A
MAD2 A
31303M002 MAS1 A
31303M001 MASP A MAS1 A
12309M002 MDVO A MDVO A
12309M001 MDVO A
40499S018 RICH A
40499S020 RICH A RCM6 A
50103M108 TIDB A TIDB A TIDB A
TID2 A TID2 A
50107M004 YAR1 A YAR1 A YAR1 A
YAR2 A
MISSING IERS DOMES NOS AT JPL:
-----------------------------
AOML A ASC1 A BAHR A BISH A CHUR A COCO A DGAR A EBRE A ELAT A FLIN A
HFLK A HOLB A KATZ A KWJ1 A MAG0 A MEDI A MKEA A NANO A NOTO A NOUM A
PETR A LPGS A NICO A GALA A SFER A ZECK A HOFN A CAGL A PRDS A RCM6 A
RIOG A SELE A SOFI A SOL1 A SCH2 A TELA A TOUL A UCLU A USNA A USNO A
WHIT A WSLR A XIAN A YAKA A YAKZ 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 PRDS A WILL A WSLR A
NANO A UCLU A HOLB A WHIT A TAHI A MKEA A KWJ1 A NOUM A PETR A MAG0 A
YAKZ A YAKA A WUHN A XIAN A NTUS A COCO A KSTU A SELE A BISH A DGAR A
BAHR A ZECK A KATZ A ELAT A TELA A NICO A HARK A HRAO A SOFI A NOTO A
MEDI A HFLK A OBER A CAGL A WSRT A TOUL A EBRE A
IERS DOMES NO COD NRC ESA GFZ JPL NOA SIO
============= ====== ====== ====== ====== ====== ====== ======
30302M004 HRAO A HRAO A
30302M007 HART A HART B HART B HARK A HART B
30302M002 HART B HARK A
22601M001 NTUS A NTUS A NTUS A NTUS A
22601M002 NTUS A
31303M002 MASP A MASP B MASP B MAS1 A MASP B
31303M001 MASP A
42202M005 AREQ A AREQ B AREQ B AREQ A AREQ A AREQ B AREQ A
12309M002 MDVO A MDVO A
12309M001 MDVO A
40451S003 USNO A USNO A USNO A
40451M123 GODE A GODE A GODE A GODE A
40405S031 GOLD A GOLD A GOLD A GOL2 A GOL2 A GOLD B GOLD A
40499S020 RICH A RCM6 A RCM6 A RCM6 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
13407S012 MADR A MAD2 A MADR A MADR A
40400M007 JPLM A CICE A JPLM A
MISSING IERS DOMES NOS AT GFZ:
-----------------------------
BISH A RIOG A
MISSING IERS DOMES NOS AT JPL:
-----------------------------
ASC1 A BAHR A COCO A DGAR A KWJ1 A MAG0 A MKEA A NOTO A PETR A NICO A
GALA A ZECK A RCM6 A USNO A WSLR A
MISSING IERS DOMES NOS AT NOA:
-----------------------------
MKEA 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 PRDS A WILL A WSLR A NANO A
UCLU A HOLB A WHIT A TAHI A MKEA A KWJ1 A NOUM A PETR A MAG0 A YAKA A
YAKZ A WUHN A XIAN A NTUS A COCO A KSTU A SELE A DGAR A BAHR A ZECK A
KATZ A ELAT A TELA A NICO A HARK A HRAO A SOFI 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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