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SUBDAILY ALIAS AND DRACONITIC ERRORS IN THE IGS ORBITS Harmonics of 351 d evident in all IGS products origin still unknown: local multipath or GPS orbits ?
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NOAA/National Geodetic Survey ... quasar structure models (VLBI) ? new subdaily EOP tide model ? better handling of parameter constraints ? modern ...
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GNSS Observations of Earth Orientation 1. Polar motion observability using GNSS concepts, complications, & error sources subdaily considerations
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Introduction (1 of 2) The first order ionospheric term ... Juan, Sanz & Orus gAGE Research group of Astronomy and GEomatics ION-GNSS 2006, Fort Worth, TX, ...
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... 4 12.7 1.5 1.6 1.3 1.2 Orbit errors double when prediction interval increases by x4 IGA total err only ~40% worse than IGRs (but 175% worse for RZ) 08 Ultra ...
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... subsets are likely to be located on different subsets of the tectonic plates. Errors in modeling tectonic plate motions, and hence motions of stations located ...
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Rotational Errors in IGS Orbit & ERP Products Systematic rotations are a leading IGS error they affect all core products except probably clocks
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Not a New Idea. The requirements of future reanalysis. GCOS ... P. Thorne (UK Met Office) S. Uppala (ECMWF) J. Woollen (NCEP) S. Worley (NCAR) C. Zou (NESDIS) ...
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Soc. 80, 551 554. Wilson CR, Chen JL (1996) Discrete polar motion equations for high frequencies. J. Geod. 70, 581 585. Thanks for your attention!
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1Institut for Astronomical and Physical Geodesy. Technische Universit t M nchen ... Spectra of coordinate time series of IGS stationen ...
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Start with homogeneous data. Multiple surrogate and synthetic realisations ... Deadline for the return of the homogeneous data. Questions. Ideas for a better benchmark ...
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OVERVIEW OF IGS PRODUCTS & ANALYSIS CENTER MODELING Status of core products focus on Ultra-rapid predicted orbits issues with current products Comparisons of AC ...
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nutation estimated as one offset and rate ... nutation fixed to IAU2000. 2. Results 2b : 1 h EOP, ... nutation daily. combination works well. Xp, Yp, ...
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The early monsoon years are characterized by warmer land over the Southwest US ... The late monsoon years show a reverse differential thermal contrast, with a ...
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Do Annual Geopotential Variations Affect IGS Products ? Test effect of GRACE RL05 annual model fits from CSR consider terms (2,0), (2,1), (2,2), & (3,1)
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0123456789:; = ?@ABCDEFx ... 456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz GpSs tFTO ...
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The overall I2 effect (orbit displacement dynamical integration) produces a ... (3) the I2 effect on satellites clocks and orbits is significant and should be ...
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At present no quasar coordinates are available yet: ICRF not included in the combination ... Quasar coordinates (ICRF) Troposphere zenith delays and gradients ...
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Randall M. Dole, NOAA. Co-Chair, Climate Variability and Change IWG ... Ohio State U. Byrd Polar Research Center. Proudman Oceanographic Laboratory ...
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H12A-0919: SENSITIVITY OF SURFACE HYDROLOGIC FLUXES PREDICTED BY A MACROSCALE ... the west to the Appalachians in the east. The majority of the 145 cells in Area 2 is ...
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