[IGSREPORT-5100] Wk 0957 G-SINEX Comparisons
AC
AC
Thu Jul 9 17:36:45 PDT 1998
******************************************************************************
IGS Electronic Report Thu Jul 9 17:36:45 PDT 1998 Message Number 5100
******************************************************************************
Author: AC Coordinator / NRCan GSDivision
Subject: Wk 0957 G-SINEX Comparisons
Subject: Wk 0957 G-SINEX Comparisons
Comparison of GNAAC Combined SINEX Solutions - Week 0957
(MAY 10, 1998 - MAY 16, 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:
mit0957g.snx at cddis.gsfc.nasa.gov
jpl0957g.snx at cddis.gsfc.nasa.gov
ncl0957g.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))
jpl0957g.snx: BARB .000 .000 .000 .000 .000 .000 .000 .000 .000
mit0957g.snx: BARB .110 .000 .000 .128 .000 .000 .000 .000 .000
- Unresolvable (no log file)
jpl0957g.snx: INEG .000 .000 .000 .000 .000 .000 .130 .000 .000
mit0957g.snx: INEG .080 .000 .001 .079 -.001 .001 .130 .000 .000
- Unresolvable (no log file)
jpl0957g.snx: MDVO Antenna information missing .146 .000 .000
mit0957g.snx: MDVO Antenna information missing .229 .005 -.006
- MIT has wrong eccentricity. Should be .146 M. up, 0 M. north, east.
- Latest log file indicates L1/L2 offset should be 0.0692 M.
(Not listed in igs.snx.)
mit0957g.snx: CRO1 .110 .000 .000 .128 .000 .000 .061 .000 .000
jpl0957g.snx: MONP .000 .000 .000 .000 .000 .000 .119 .000 .000
jpl0957g.snx: SUTH .000 .000 .000 .000 .000 .000 .119 .000 .000
mit0957g.snx: TIDB .110 .000 .000 .128 .000 .000 .000 .000 .000
mit0957g.snx: TROM .078 .000 .000 .096 .000 .000 2.473 .000 .000
FILE ncl0957g.snx MISSING THE SITE/GPS_PHASE_CENTER BLOCK.
DEFAULTING TO KNOWN L1/L2 OFFSETS AND ECCENTRICITIES.
ANTENNA PHASE CENTRE CONFLICTS IN FILE jpl0957g.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 mit0957g.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 TIDB JPL-NCL Lat EISL MIT-NCL Lat TIDB MIT-NCL
Lon KOUR MIT-NCL Lon AREQ MIT-NCL Lon LPGS MIT-NCL
Hgt WUHN JPL-NCL Hgt CHAT MIT-NCL Hgt CAS1 MIT-NCL
Hgt MDO1 MIT-NCL Hgt WUHN MIT-NCL
51 GLOBAL STATIONS:
ALGO ASC1 AUCK BAHR BRMU COCO DAV1 DGAR DRAO FAIR
FORT GUAM HARK HOB2 IRKT KELY KERG KIT3 KOKB KOSG
KSTU KWJ1 LHAS MAC1 MALI MATE MCM4 METS MKEA NLIB
NRC1 NTUS OHIG ONSA POTS RCM6 REYK SANT STJO THU1
TSKB USNO USUD VILL WES2 WHIT WTZR YAR1 YELL ZECK
ZWEN
34 FIDUCIAL STATIONS:
ALGO BRMU DAV1 DRAO FAIR FORT GUAM HOB2 IRKT KERG
KIT3 KOKB KOSG KOUR KWJ1 LHAS MAC1 MALI MATE MDO1
NLIB OHIG ONSA POTS SANT THU1 TIDB TSKB VILL WES2
WTZR YAR1 YELL ZWEN
AVERAGE COORDINATE RMS USING ITRF96:
51 GLOBAL STATIONS 34 FIDUCIAL STATIONS
MIT-JPL MIT-NCL JPL-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
(mm) (mm) (mm) (mm) (mm) (mm)
------- ------- ------- ---------- ---------- ----------
Lat 0.7 1.4 1.3 5.3 5.4 5.7
Lon 1.4 2.1 1.9 6.5 7.2 7.5
Hgt 2.6 4.9 4.0 8.8 8.9 9.5
3D 3.0 5.5 4.6 12.2 12.7 13.4
VARIANCE FACTORS WITH ITRF96 (CHI-SQUARE / (DEGREES OF FREEDOM)):
58 GLOBAL STATIONS 34 FIDUCIAL STATIONS
JPL-NCL MIT-JPL MIT-NCL MIT-ITRF96 JPL-ITRF96 NCL-ITRF96
------- ------- ------- ---------- ---------- ----------
0.285 0.341 0.664 2.992 3.191 2.517
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 -8.1 3.0 23.5 3.0 -28.1 4.8 -0.7 0.1
MIT -10.0 2.2 10.7 2.3 -27.3 3.5 -0.9 0.1
NCL -7.2 3.8 38.4 4.2 -11.7 5.9 -0.2 0.2
REMARKS:
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM mit0957g.snx :
Stations: BRAZ HART MASP
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM jpl0957g.snx :
Stations: BRAZ
THE FOLLOWING ITRF96 FIDUCIAL STATIONS ARE MISSING FROM ncl0957g.snx :
Stations: BRAZ GODE GOLD GRAZ HART MADR MASP PERT PIE1 SHAO TROM
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
GOL1 A
30302M007 HARK A HARK A
HART A
HAR1 A
30302M004 HRAO A
13407S012 MAD2 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
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
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 BAKO A NTUS A COCO A KSTU 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 HFLK A OBER A CAGL A WSRT A TOUL A EBRE A
IERS DOMES NO COD NRC GFZ IGS NOA SIO
============= ====== ====== ====== ====== ====== ======
40499S020 RICH A RCM6 A RCM6 A RCM6 A
42202M005 AREQ A AREQ B AREQ A AREQ B AREQ A
31303M002 MASP A MASP B MAS1 A MASP B
31303M001 MASP A
12309M002 MDVO A MDVO A
12309M001 MDVO A
10317M003 NYAL A NYA1 A NYA1 A
10317M001 NYAL A NYAL A NYAL A
12353M001 YAKZ A YAKA A
YAKZ A
40405S031 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
50103M108 TIDB A TIDB A TID2 A TID2 A TIDB A TIDB A
50107M004 YAR1 A YAR1 A YAR2 A YAR1 A YAR1 A YAR1 A
30302M004 HRAO A HRAO A
30302M007 HART A HART B HARK A HARK A HART B
30302M002 HART B
10302M006 TROM A TRO1 A
10302M003 TROM A TROM A
42005M001 GALA A GALA A GALA A GALA B
22601M001 NTUS A NTUS A
22601M002 NTUS A
13407S012 MAD2 A MADR A MADR A
MISSING IERS DOMES NOS AT GFZ:
-----------------------------
BISH 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 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>]
More information about the IGSREPORT
mailing list