GPS precise point positioning with kinematic data

Tuchband, Tamás (2011) GPS precise point positioning with kinematic data. Pollack Periodica, 6 (3). pp. 73-82. ISSN 1788-1994

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Abstract

Nowadays most of the users needing geodetic accuracy use the Global Positioning System (GPS) with static measurements or with RTK (Real Time Kinematic) measurements. Few seconds are available to measure a detail point, therefore only the RTK method can satisfy the expectations. In this case (called observation space) the users require corrections from a base station. These corrections are available from the user’s own base station or they can be downloaded from the Internet if active permanent network is available in the area. There are many locations where kinematic data is recorded and have to be processed without owned base stations or without active permanent networks. For example, LEO (Low-Earth Orbit) satellite’s GPS receivers, ocean surface monitoring with GPS buoys or archaeological exploration in countries without geodetic base. This paper investigates the possibility of PPP (Precise Point Positioning) method processing kinematic data. It is known that the accuracy of this technique is enough in GIS (Geographic Information System) applications. To increase the accuracy and reach geodetic precision final orbits, clock data from the GPS satellites and receiver’s antenna calibration data are needed besides several additional parameters (called state space). The attainable accuracy will be determined after the examination of the results.

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