[IGSREPORT-22708] Wk 1783 MIT T2 RNAAC Analyis Report
Tom Herring
tah at chandler.mit.edu
Wed May 7 00:02:39 PDT 2014
Author: Thomas Herring
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MIT R/GNAAC ANALYSIS REPORT GPS-WEEK 1783 Dates: 14mar09 to 14mar15
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MIT (Massachusetts Institute of Technology)
Room 54-820A
77 Massachusetts Avenue,
Cambridge, MA 02139
e-mail: tah at mit.edu
tel: (617)253-5941 (Tom Herring)
fax: (617)253-1699
PRODUCTS GENERATED:
The following products are generated and uploaded into CDDIS @ NASA/GSFC
MIT1783p.SNX RNAAC combination sinex file from all available analysis centers
with the GNAAC sinex files.
MIT1783p.SUM Name of this summary file
0.0 Starting Week 1395, adopted IGS05 for reference frame. The combination
is now minimum constraint.
0.1 Starting Week 1239 we adopted IGb00 reference system (given in
IGS03P33_RS99.snx)
0.2 Starting Week 1016 we starting using ITRF97
0.3 Starting Week 0939 we starting using ITRF96 and its reference site list.
0.4 Starting Week 0901 we started using a new apriori file not Non-ITRF94 coordinates
based on the analysis of week 0822-0900 sinex files. This change will
effect the corrdinate corrections given in this summary.
1.0 Analysis Procedures:
(1) Each centers sinex solutions are de-constrained before
combination. When center constraints are available, the
constraints are loosened to +-1 meters.
(2) Covariance matrices from each center are re-scaled based
on the change in chi**2 when the RNAAC's sinex file is
combined with the loose combination of the GNAAC's
sinex files. To generate reasonable sigmas, the scale factor
is set at 0.3 times the chi**2/degree of freedom increment.
(3) Reference frame is defined translation, rotation to the IGS05
reference frame defined with the following sites:
vesl vill madr sfer rabt asc1 hofn mas1 reyk pdel chpi qaq1 braz
kely stjo ohi2 ohi3 lpgs alrt hlfx cord cro1 unsa sch2 riog thu3
sant wes2 conz nrc1 scub gode usno algo mana glps nlib chur dubo
flin mdo1 amc2 pie1 ispa yell gold holm drao quin will whit thti
mkea hnlc kokb aspa chat mcm4 bili noum mac1 petp tidb hob2 tow2
lae1 guam yssk tskb alic cedu jab1 darw tixi daej pimo karr bjfs
pert yar1 wuhn cas1 ulab irkt kunm coco lhaz nril guao novj hyde
dav1 iisc pol2 dgar kerg kit3 maw1 artu reun sey1 bahr mali trab
syog mdvj ramo polv nico mbar glsv harb hrao mets joze suth tro1
trom bor1 mate not1 pots wtzr onsa nya1 nyal nklg cagl zimm gras
wsrt brus
Earth rotation parameters are estimated for each center (even when not given
in the original SINEX files. In this case the partial derivatives are
computed from the station coordinates).
(4) The summary below gives
(a) The RMS difference between the GNAAC loose analysis and
the GNAAC+RNAAC loose analysis. If this RMS is small then the
RNAAC combination is not effecting the global coordinates solution
significiantly.
(b) For each RNAAC Center we give:
(b.1) the VARIANCE rescaling factors used (determined as
discussed above) and
(b.2) the adjustment to the apriori coordinates
of the sites for each RNAAC which are not included in the GNAAC
analyses. The apriori coordinates are based on the analysis
of the first five weeks of RNAAC sinex files. When an RNAAC
has no unique sites, the adjustments are given for all sites
in the center based on the analysis from that center alone.
SUMMARY OF POSITIONS FOR WEEK 1783
IMPACT OF RNAACs on GNAAC Loose solution
CENTER RESULTS
For Center NCL VARIANCE FACTOR 1
Site dN +- dE +- dU +- Center
(mm) (mm) (mm) (mm) (mm) (mm)
ABMF 7.4 0.9 21.2 0.7 5.5 1.2 Center NCL
ADIS -9.9 0.9 2.7 0.7 -13.6 1.1 Center NCL
AJAC 40.2 0.8 71.2 0.7 -15.3 1.2 Center NCL
ALRT 3.7 0.7 -8.5 0.7 10.7 1.4 Center NCL
ARTU -3.4 0.8 6.6 0.7 -12.7 1.0 Center NCL
BADG 3.8 0.9 17.2 0.8 -15.0 1.5 Center NCL
BAKO 0.6 0.9 -3.8 0.8 -11.3 1.4 Center NCL
BJCO -10.5 0.9 -4.2 0.7 -8.5 0.9 Center NCL
BJNM -46.0 0.8 98.6 0.7 -32.2 1.2 Center NCL
BOGI -0.6 1.0 3.1 0.9 -12.7 2.2 Center NCL
BREW -8.3 0.8 -1.3 0.7 -6.3 1.0 Center NCL
BRUX -6.7 0.8 13.1 0.7 -9.6 1.0 Center NCL
BSHM -0.9 0.9 7.7 0.8 -25.1 1.7 Center NCL
CCJ2 13.5 0.9 -32.3 0.7 -18.4 1.4 Center NCL
CEDU -4.1 0.8 5.3 0.7 5.5 0.9 Center NCL
CGGN -21.4 0.9 8.3 0.7 0.8 1.1 Center NCL
CHAN -6.2 0.9 17.6 0.7 1.5 1.5 Center NCL
CHPI 28.4 0.9 -8.0 0.7 12.0 1.1 Center NCL
CHTI -3.9 0.8 3.1 0.7 4.5 1.0 Center NCL
CKIS -6.6 0.9 1.8 0.7 5.5 1.4 Center NCL
CNMR -7.8 0.9 8.4 0.7 -8.1 1.4 Center NCL
CRAO -6.2 0.9 5.7 0.8 -8.8 1.9 Center NCL
CUSV -6.3 0.9 2.1 0.7 -1.8 1.3 Center NCL
DGAV -12.0 0.9 -5.4 0.7 5.6 1.2 Center NCL
DRAG -7.3 0.8 5.0 0.7 -12.6 1.1 Center NCL
FAA1 -6.1 0.9 1.2 0.7 -21.2 1.2 Center NCL
FALE -6.7 0.9 46.2 0.8 -10.7 1.7 Center NCL
FALK 0.8 0.8 -2.1 0.7 7.2 1.2 Center NCL
FLRS 7.3 0.8 -71.0 0.7 -19.6 1.1 Center NCL
FRDN -6.9 0.8 -0.1 0.7 -8.4 1.4 Center NCL
GOPE -1.8 0.8 1.9 0.7 -12.2 1.2 Center NCL
GUAO -8.1 0.8 11.8 0.7 -9.8 1.2 Center NCL
HLFX -2.0 0.8 -4.0 0.7 -9.4 1.0 Center NCL
HNLC -7.9 0.9 3.8 0.7 5.2 1.3 Center NCL
HNPT -2.6 0.8 1.1 0.7 -3.4 1.1 Center NCL
HOLM -45.6 0.7 -56.7 0.7 1.2 1.4 Center NCL
IENG -3.9 0.8 1.8 0.7 -4.0 1.0 Center NCL
IISC -19.1 0.9 31.8 0.7 -13.2 1.3 Center NCL
INEG -11.8 0.9 -28.0 0.7 -70.7 1.2 Center NCL
IQAL -4.7 0.8 -0.4 0.7 6.6 1.2 Center NCL
IRKJ -5.5 0.8 11.7 0.7 -14.9 1.0 Center NCL
IRKM -4.6 0.8 3.7 0.7 2.1 1.4 Center NCL
ISBA 27.2 0.9 3.4 0.8 -26.2 1.7 Center NCL
KARR -0.7 0.9 4.6 0.7 1.4 1.0 Center NCL
KAT1 5.5 0.9 22.0 0.8 -35.2 1.5 Center NCL
KELY 4.2 0.7 -3.9 0.7 31.8 1.1 Center NCL
KIR0 -0.1 0.8 2.0 0.7 -8.2 1.5 Center NCL
KIRI -6.6 1.1 5.2 1.0 5.9 3.2 Center NCL
KIRU 41.7 0.7 49.6 0.7 -2.7 1.3 Center NCL
KIT3 -9.2 0.8 -5.4 0.7 -11.9 1.1 Center NCL
KOKV -5.7 0.9 3.3 0.7 1.7 1.1 Center NCL
KOUR -3.9 0.9 6.2 0.7 0.3 1.1 Center NCL
LAMA -4.1 0.8 1.9 0.7 -11.7 1.1 Center NCL
LCKI 45.2 1.0 57.9 0.8 -21.0 2.0 Center NCL
LEIJ -0.8 0.9 2.4 0.8 -11.8 1.8 Center NCL
LPAL -2.0 0.9 -3.2 0.7 -14.8 1.4 Center NCL
MAG0 10.4 0.8 -20.3 0.7 10.4 1.2 Center NCL
MAR6 -2.1 0.8 2.2 0.7 -10.6 1.2 Center NCL
MAUI -4.8 0.9 3.5 0.7 9.8 1.1 Center NCL
MAW1 -3.1 0.7 1.2 0.7 5.1 1.1 Center NCL
MDVJ -2.9 0.8 2.9 0.7 -13.2 1.1 Center NCL
MGUE 6.9 0.9 -23.6 0.7 17.8 1.2 Center NCL
MIZU -9.1 0.8 7.6 0.7 -13.4 1.1 Center NCL
MOBK 6.8 1.0 4.2 0.8 -34.1 2.1 Center NCL
MOBS -10.9 0.8 1.6 0.7 7.9 1.1 Center NCL
MORP 0.8 0.8 0.7 0.7 -13.7 1.2 Center NCL
NAIN -2.5 0.8 -2.1 0.7 -7.6 1.2 Center NCL
NAUR -4.2 0.9 -7.5 0.8 5.6 1.5 Center NCL
NIUM -6.0 0.9 5.0 0.8 18.9 1.7 Center NCL
NNOR -6.8 0.9 2.6 0.7 -20.4 1.6 Center NCL
NOT1 -3.7 0.8 2.0 0.7 -21.6 1.1 Center NCL
NOVM -5.7 0.8 12.4 0.7 -44.6 1.3 Center NCL
NRIL -4.0 0.7 9.0 0.7 -1.3 1.1 Center NCL
NTUS -27.9 0.9 97.1 0.7 -3.7 1.2 Center NCL
NURK -15.9 0.9 6.4 0.7 -16.0 1.3 Center NCL
OPMT -2.4 0.8 0.4 0.7 -20.7 1.6 Center NCL
PARK 149.7 0.9 62.3 0.7 9.1 1.5 Center NCL
PBRI 27.0 0.9 -36.7 0.8 56.0 1.5 Center NCL
PENC -2.4 0.9 1.7 0.8 -15.4 2.1 Center NCL
PETS -3.4 0.8 0.9 0.7 -3.2 1.2 Center NCL
POLV -1.0 0.8 2.1 0.7 -37.3 1.1 Center NCL
POVE -2.2 0.9 2.0 0.7 -4.5 1.1 Center NCL
PTBB -4.4 0.8 2.9 0.7 -10.6 1.3 Center NCL
QIKI -3.4 0.7 -2.7 0.7 -0.1 1.2 Center NCL
RABT -2.6 0.8 3.3 0.7 -18.6 0.9 Center NCL
RCMN -16.3 1.1 9.9 1.0 -12.4 2.6 Center NCL
RECF -6.2 0.9 -7.3 0.7 7.7 1.3 Center NCL
RESO -3.3 0.7 -2.4 0.7 8.7 1.5 Center NCL
REYK -1.9 0.7 -1.5 0.7 -28.2 1.1 Center NCL
RIO2 -5.3 0.8 -7.4 0.7 -27.0 1.2 Center NCL
RIOP 33.3 0.9 40.5 0.7 -32.3 1.2 Center NCL
ROTH 27.7 0.8 41.3 0.7 23.1 1.3 Center NCL
SALU -0.5 0.9 8.8 0.7 16.2 1.5 Center NCL
SAVO -5.1 0.9 3.6 0.7 -1.7 1.4 Center NCL
SCOR 1.4 0.7 -0.7 0.7 -9.9 1.1 Center NCL
SEY1 -10.3 0.9 -4.6 0.8 -4.3 1.8 Center NCL
SOLA 1.4 0.9 10.6 0.7 -8.6 1.6 Center NCL
SPT0 39.6 0.8 49.9 0.7 -3.9 1.1 Center NCL
STHL -8.9 0.9 -6.8 0.7 6.6 1.1 Center NCL
STK2 -38.0 0.9 4.1 0.7 -19.5 1.4 Center NCL
STR1 -3.6 1.0 5.7 0.8 7.5 2.0 Center NCL
STR2 -5.9 0.9 5.2 0.8 13.8 1.6 Center NCL
SUTV -8.9 0.8 2.1 0.7 3.6 1.1 Center NCL
SVTL 7.3 0.9 4.7 0.7 23.2 1.7 Center NCL
SYDN 151.7 0.8 58.9 0.7 4.5 1.3 Center NCL
SYOG -5.4 0.7 1.9 0.7 -1.0 1.0 Center NCL
TAH1 -4.2 1.0 4.1 0.9 -9.8 2.2 Center NCL
TASH 35.4 0.8 11.0 0.7 -24.2 1.2 Center NCL
TCMS 1.6 0.9 13.8 0.8 -11.4 1.7 Center NCL
TEHN -3.1 0.8 8.4 0.7 -19.7 1.1 Center NCL
THU2 12.0 0.7 -68.6 0.7 16.7 1.4 Center NCL
THU3 -0.6 0.7 -4.1 0.7 11.5 1.3 Center NCL
TNML 1.7 0.9 14.7 0.7 -10.3 1.5 Center NCL
TONG -26.3 1.1 270.9 1.0 17.7 3.2 Center NCL
TUVA 88.1 1.0 -180.2 0.9 10.2 2.0 Center NCL
UFPR -5.1 0.9 0.9 0.7 10.3 1.3 Center NCL
USN3 -4.9 0.8 -8.3 0.7 -4.5 1.1 Center NCL
USNO -7.9 1.1 -3.1 1.0 -8.8 4.2 Center NCL
USUD 0.2 0.9 58.8 0.8 9.3 2.0 Center NCL
VACS -9.5 1.1 5.8 1.0 -1.0 3.0 Center NCL
VALD -6.7 0.8 -11.2 0.7 14.1 1.4 Center NCL
VIS0 1.2 0.9 2.6 0.8 -8.9 1.7 Center NCL
WAB2 42.6 0.8 57.9 0.7 -17.1 1.0 Center NCL
WILL -9.0 0.8 -5.0 0.7 -8.5 1.0 Center NCL
WROC 40.8 1.0 59.0 0.8 -24.2 2.0 Center NCL
WSRT -2.6 0.8 2.4 0.7 -15.7 0.9 Center NCL
YAKT -22.0 0.8 22.2 0.7 -1.2 1.2 Center NCL
YAR2 162.3 0.9 118.2 0.7 -3.3 1.2 Center NCL
YAR3 -5.4 0.9 7.0 0.8 0.9 1.8 Center NCL
YARR -2.3 0.8 6.9 0.7 -3.1 1.1 Center NCL
YEBE -3.7 0.8 1.8 0.7 -27.1 1.4 Center NCL
YSSK -10.6 0.8 -8.3 0.7 -2.7 1.1 Center NCL
ZAMB -8.0 0.9 -0.2 0.7 -17.6 1.0 Center NCL
ZWE2 -5.5 0.8 0.2 0.7 5.5 1.5 Center NCL
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