[IGSREPORT-5011] Wk 0953 G-SINEX Comparisons
AC
AC
Tue Jun 16 09:40:22 PDT 1998
******************************************************************************
IGS Electronic Report Tue Jun 16 9:40:22 PDT 1998 Message Number 5011
******************************************************************************
Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0953 G-SINEX Comparisons
Subject: Wk 0953 G-SINEX Comparisons
Comparison of GNAAC Combined SINEX Solutions - Week 0953
(APR 12, 1998 - APR 18, 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:
mit0953g.snx at cddis.gsfc.nasa.gov
jpl0953g.snx at cddis.gsfc.nasa.gov
ncl0953g.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))
jpl0953g.snx: BARB .110 .000 .000 .128 .000 .000 .000 .000 .000
mit0953g.snx: BARB .110 .000 .000 .128 .000 .000 .000 .000 .000
ncl0953g.snx: BARB .000 .000 .000 .000 .000 .000 .000 .000 .000
- Unresolvable (no log file)
jpl0953g.snx: BISH .075 .002 -.001 .069 -.001 .002 .046 .000 .000
mit0953g.snx: BISH .078 .000 -.003 .074 -.003 -.001 .046 .000 .000
- Unresolvable (no log file)
jpl0953g.snx: ELAT .069 .000 .000 .068 .000 .000 -.011 .000 .000
mit0953g.snx: ELAT .078 .000 -.003 .074 -.003 -.001 -.011 .000 .000
- Unresolvable (no log file)
jpl0953g.snx: HARK .110 .000 .000 .128 .000 .000 9.754 .000 .000
jpl0953g.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.
jpl0953g.snx: HRAO .110 .000 .000 .128 .000 .000 9.754 .000 .000
ncl0953g.snx: HRAO .110 .000 .000 .128 .000 .000 .000 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity .081 M.
jpl0953g.snx: KATZ .069 .000 .000 .068 .000 .000 -.012 .000 .000
mit0953g.snx: KATZ .078 .000 -.003 .074 -.003 -.001 -.012 .000 .000
- Unresolvable (no log file)
jpl0953g.snx: MALI .078 .000 .000 .096 .000 .000 .222 .000 .000
mit0953g.snx: MALI .110 .000 .000 .128 .000 .000 .170 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity .135 M.
jpl0953g.snx: MDVO .078 .000 -.003 .074 -.003 -.001 .146 .000 .000
mit0953g.snx: MDVO .078 .000 -.003 .074 -.003 -.001 .146 .000 .000
ncl0953g.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.
jpl0953g.snx: NOUM .078 .000 -.003 .074 -.003 -.001 .000 .000 .000
mit0953g.snx: NOUM .075 .002 -.001 .069 -.001 .002 -.002 -.005 .006
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity 0.000 M.
jpl0953g.snx: NYA1 .078 .000 .000 .096 .000 .000 5.216 .000 .000
mit0953g.snx: NYA1 .078 .000 .000 .096 .000 .000 .033 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity .000 M.
jpl0953g.snx: TELA .069 .000 .000 .068 .000 .000 .000 .000 .000
mit0953g.snx: TELA .078 .000 -.003 .074 -.003 -.001 .000 .000 .000
- Unresolvable (no log file)
jpl0953g.snx: TROM .078 .000 .000 .096 .000 .000 2.473 .000 .000
mit0953g.snx: TROM .110 .000 .000 .128 .000 .000 2.334 .000 .000
- Both wrong. Should be L1/L2 offset .110, .128 M., eccentricity 2.369 M.
jpl0953g.snx: CAGL .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0953g.snx: EBRE .078 .000 -.003 .074 -.003 -.001 .000 .000 .000
jpl0953g.snx: GALA .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0953g.snx: HOFN .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0953g.snx: HOLB .078 .000 .000 .096 .000 .000 .129 .000 .000
jpl0953g.snx: KOUR .078 .000 .000 .096 .000 .000 .132 .000 .000
jpl0953g.snx: LPGS .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0953g.snx: MEDI .110 .000 .000 .128 .000 .000 .146 .000 .000
jpl0953g.snx: NICO .110 .000 .000 .128 .000 .000 .000 .000 .000
mit0953g.snx: NYAL .078 .000 .000 .096 .000 .000 5.216 .004 .001
jpl0953g.snx: SELE .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0953g.snx: SFER .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0953g.snx: SOFI .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0953g.snx: UPAD .078 .000 -.003 .074 -.003 -.001 1.962 .000 .000
jpl0953g.snx: WSRT .110 .000 .000 .128 .000 .000 .380 .000 .000
jpl0953g.snx: WUHN .110 .000 .000 .128 .000 .000 2.320 .000 .000
jpl0953g.snx: YAR1 .078 .000 .000 .096 .000 .000 .073 .000 .000
jpl0953g.snx: ZECK .110 .000 .000 .128 .000 .000 .000 .000 .000
jpl0953g.snx: ZIMM .069 .000 .000 .068 .000 .000 .000 .000 .000
FILE ncl0953g.snx MISSING THE SITE/GPS_PHASE_CENTER BLOCK.
DEFAULTING TO KNOWN L1/L2 OFFSETS AND ECCENTRICITIES.
ANTENNA PHASE CENTRE CONFLICTS IN FILE mit0953g.snx
GALA Multiple Sites
SITES AFFECTED BY ABOVE CONFLICTS, NON-FIDUCIAL SITES SUBSEQUENTLY EXCLUDED:
Stations: GALA
CONFIDENCE LEVEL FOR OUTLIER DETECTION (ITRF96): 99%
OUTLIERS REJECTED (COORD/STATION/GNAACs):
Lat BOGT MIT-JPL Lat RCM6 MIT-JPL Lat EISL MIT-JPL
Lat BOGT MIT-NCL Lon NTUS MIT-JPL Lon FORT MIT-JPL
Lon FORT MIT-NCL Hgt AREQ MIT-JPL Hgt BAHR MIT-JPL
Hgt WHIT MIT-JPL Hgt MDO1 MIT-JPL Hgt AREQ MIT-NCL
Hgt GOLD MIT-NCL
57 GLOBAL STATIONS:
ALBH ALGO ANKR AUCK BRMU CHAT COCO CRO1 DAV1 DGAR
DRAO GODE GRAZ GUAM HOB2 IRKT KELY KERG KIRU KIT3
KOKB KOSG KSTU KWJ1 LHAS MAC1 MADR MATE MCM4 METS
MKEA NLIB NRC1 OHIG ONSA PERT PETR PIE1 POL2 POTS
REYK SANT SHAO STJO TAEJ TAHI THU1 TIDB TROM TSKB
USNO USUD VILL WES2 WTZR YAR1 YELL
38 FIDUCIAL STATIONS:
ALGO BRMU DAV1 DRAO FORT GODE GOLD GRAZ GUAM HOB2
IRKT KERG KIT3 KOKB KOSG KWJ1 LHAS MAC1 MADR MATE
MDO1 NLIB OHIG ONSA PERT PIE1 POTS SANT SHAO THU1
TIDB TROM TSKB VILL WES2 WTZR YAR1 YELL
AVERAGE COORDINATE RMS USING ITRF96:
57 GLOBAL STATIONS 38 FIDUCIAL STATIONS
MIT-JPL MIT-NCL JPL-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
(mm) (mm) (mm) (mm) (mm) (mm)
------- ------- ------- ---------- ---------- ----------
Lat 1.1 0.9 0.6 5.7 6.1 6.0
Lon 1.5 1.2 1.0 6.9 7.7 7.3
Hgt 2.8 3.0 1.9 10.7 9.9 10.0
3D 3.3 3.4 2.2 13.9 14.0 13.8
VARIANCE FACTORS WITH ITRF96 (CHI-SQUARE / (DEGREES OF FREEDOM)):
67 GLOBAL STATIONS 38 FIDUCIAL STATIONS
JPL-NCL MIT-JPL MIT-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
------- ------- ------- ---------- ---------- ----------
0.072 0.380 0.253 4.257 3.936 2.947
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 -3.7 3.1 22.2 3.2 -15.2 5.0 -0.5 0.1
MIT -5.2 2.0 9.6 2.1 -11.3 3.3 -0.7 0.1
NCL -2.3 3.1 20.2 3.4 -11.0 5.1 -0.5 0.2
REMARKS:
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM mit0953g.snx :
Stations: BRAZ FAIR MASP
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM jpl0953g.snx :
Stations: BRAZ FAIR
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM ncl0953g.snx :
Stations: BRAZ FAIR HART MASP ZWEN
IERS DOMES NO JPL MIT NCL
============= ====== ====== ======
42202M005 AREQ A AREQ A AREQ A
ARE1 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
13407S012 MADR A MADR A MADR A
MAD2 A
31303M002 MAS1 A
31303M001 MASP A MAS1 A
12309M002 MDVO A MDVO A
MDV1 A
12309M001 MDVO A
10317M001 NYAL A NYA1 A NYAL A
NYA1 A NYAL 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
42005M001 GALA A GALA A
GALA B
MISSING IERS DOMES NOS AT JPL:
-----------------------------
AOML A BAHR A BISH A CHUR A COCO A DGAR A EBRE A ELAT A FLIN A HOLB A
KATZ A KWJ1 A MAG0 A MEDI A MKEA A NANO A NOTO A NOUM A NSSP A PETR A
LPGS A NICO A GALA A GAL1 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 URUM A USNA A
USNO A WHIT A WSLR A XIAN A YAKA A
MISSING IERS DOMES NOS AT MIT:
-----------------------------
MAD2 A SFER 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 YAKA A
WUHN A XIAN 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 SOFI A NOTO A
MEDI A OBER A CAGL A WSRT A TOUL A EBRE A
IERS DOMES NO COD NRC ESA GFZ JPL NOA SIO
============= ====== ====== ====== ====== ====== ====== ======
50107M004 YAR1 A YAR1 A YAR1 A YAR2 A YAR1 A YAR1 A YAR1 A
42202M005 AREQ A AREQ B AREQ B AREQ A AREQ A AREQ B AREQ A
30302M004 HRAO A HRAO A
30302M007 HART A HART B HART B HARK A HART B
30302M002 HART B HARK A
31303M002 MASP A MASP B MASP B MAS1 A MASP B
31303M001 MASP A
12309M002 MDVO A MDVO B 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
40451M123 GODE A GODE A GODE 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
10317M001 NYAL A NYAL A NYAL A NYAL A NYAL A NYAL A
NYA1 A
13407S012 MADR A MAD2 A MADR A MADR A
42005M001 GALA A GALA B
MISSING IERS DOMES NOS AT GFZ:
-----------------------------
BISH A URUM A RIOG A
MISSING IERS DOMES NOS AT JPL:
-----------------------------
BAHR A COCO A DGAR A KWJ1 A MAG0 A MKEA A NOTO A NOUM A PETR A GALA A
ZECK A RCM6 A USNO A WSLR A YAKA A
MISSING IERS DOMES NOS AT SIO:
-----------------------------
MAD2 A SFER 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 YAKA A WUHN A XIAN 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 SOFI A NOTO A MEDI 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>]
More information about the IGSREPORT
mailing list