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Proceedings Paper

An evaluation of geodetic positioning error simulated using a mesocale nonhydrostatic model
Author(s): Ryuichi Ichikawa; Hiromu Seko; Michael Bevis
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Paper Abstract

We simultaneously calculate atmospheric parameters (zenith wet delay and a gradient vector) and positioning errors estimated from tropospheric slant delays using ray tracing technique through a one epoch data set of the mesoscale non-hydrostatic numerical model. In this numerical calculation both isotropic and anistropic mapping functions are evaluated. We find that the positioning errors are not reduced by an anisotropic mapping function, with the exception of the north-south component. Elevation weighting is more important than mapping function type for reducing horizontal errors with the present specific data set. Large horizontal and vertical positioning errors associated with topography and mountain lee wave effect are indicated.

Paper Details

Date Published: 22 December 2004
PDF: 9 pages
Proc. SPIE 5661, Remote Sensing Applications of the Global Positioning System, (22 December 2004); doi: 10.1117/12.578647
Show Author Affiliations
Ryuichi Ichikawa, National Institute of Information and Communications Technology (Japan)
Hiromu Seko, Meteorological Research Institute/JMA (Japan)
Michael Bevis, The Ohio State Univ. (United States)


Published in SPIE Proceedings Vol. 5661:
Remote Sensing Applications of the Global Positioning System
Michael Bevis; Yoshinori Shoji; Steven Businger, Editor(s)

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