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Integridade no posicionamento RTK e RTK em rede

DOI: 10.1590/S1982-21702010000400007

Keywords: rtk, network rtk, integrity.

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Abstract:

technological advances in positioning methods have enabled the development of methodologies that allow its use in a great variety of applications. one method of gnss (global navigation satellite system) positioning of high performance is the rtk (real time kinematic) whose basic principle takes advantage of the high correlation of the errors caused by ionosphere, troposphere and satellite orbit in a reference station and a nearby station of interest, besides requiring a radio link or other communication system to transmit the data from the base to the user. but as the distances increase, the correlation decreases and the performance is reduced. to reduce this problem, the concept of network stations (rtk network) was developed. such approach uses the infrastructure of a network of reference stations to provide corrections to the network users. the rtk and rtk network allows introducing the concept of integrity, widely used in navigation, in the context of geodesy. in this article, we present the concept of integrity and its use for evaluating the integrity on rtk and rtk network in the context of s?o paulo state gnss network. results showed that to guarantee the integrity displayed by hpl

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