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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/6641
Title: 
Atmospheric Models Applied to DGPS and RTK Network in Brazil: Preliminary Results
Author(s): 
Institution: 
Universidade Estadual Paulista (UNESP)
Abstract: 
Several positioning techniques have been developed to explore the GPS capability to provide precise coordinates in real time. However, a significant problem to all techniques is the ionosphere effect and the troposphere refraction. Recent researches in Brazil, at São Paulo State University (UNESP), have been trying to tackle these problems. In relation to the ionosphere effects it has been developed a model named Mod_Ion. Concerning tropospheric refraction, a model of Numerical Weather Prediction(NWP) has been used to compute the zenithal tropospheric delay (ZTD). These two models have been integrated with two positioning methods: DGPS (Differential GPS) and network RTK (Real Time Kinematic). These two positioning techniques are being investigated at São Paulo State University (UNESP), Brazil. The in-house DGPS software was already finalized and has provided very good results. The network RTK software is still under development. Therefore, only preliminary results from this method using the VRS (Virtual Reference Station) concept are presented.
Issue Date: 
1-Jan-2006
Citation: 
Proceedings of the 19th International Technical Meeting of the Satellite Division of the Institute of Navigation (ion Gnss 2006). Washington: Inst Navigation, p. 1151-1158, 2006.
Time Duration: 
1151-1158
Publisher: 
Inst Navigation
URI: 
http://hdl.handle.net/11449/6641
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/6641
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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