Mapping the spacetime metric with GNSS: a preliminary study

Details Mapping the spacetime metric with GNSS: a preliminary study Mapping the spacetime metric with GNSS: a preliminary study

2009-12-22

arxiv.org/abs/0912.4418v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, 2 figures, Proceedings of the "2nd International Colloquium - Scientific and Fundamental Aspects of the Galileo Progr

Scientific paper

In order to do relativistic gravimetry one needs to define a system of null
coordinates for a given constellation of satellites. We present here three
methods in order to find the null coordinates of an event in a Schwarzschild
geometry. We implement these three methods for the weak gravitational field of
the Earth, compare their precision and time of computation.

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