Definition
GPS . Global Positioning System, the US-operated Global Navigation Satellite System (GNSS) that can be used to determine a user’s position, in terms of latitude, longitude, and height coordinates, anywhere on the globe with a clear view of the sky.
Reference system. A conventionally adopted system that specifies precisely the meaning of a user’s position.
Essential Concepts
GPS consists of three segments: (1) the space segment of typically 30 satellites that transmit microwave ranging signals and signals containing information on satellite positions and satellite atomic clock time; (2) the control segment of globally distributed stations that monitor, control, and upload data to the space segment; and (3) the user segment consisting of anybody with a GPS receiver who uses the space segment to find their position (Hofmann-Wellenhof et al., 2008).
Geodetic coordinates, such as those obtained by GPS measurements, are generally defined with respect to some reference system that...
Keywords
- Reference Frame
- Global Navigation Satellite System
- Global Navigation Satellite System
- Reference System
- Very Long Baseline Interferometry
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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References and Reading
Altamimi, Z., Collilieux, X., and Métivier, L., 2011. ITRF2008: an improved solution of the international terrestrial reference frame. Journal of Geodesy, 85(8), 457–473, doi:10.1007/s00190-011-0444-4.
BIPM, 1998. The International System of Units (SI), 7th edn. Paris: International Bureau of Weights and Measures.
IERS Conventions, 2010. In Petit, G., and Luzum, B. (eds.), IERS Technical Note 36. Frankfurt am Main: Verlag des Bundesamts für Kartographie und Geodäsie. 179 pp., ISBN 3-89888-989-6 (print version) http://www.iers.org/IERS/EN/Publications/TechnicalNotes/tn36.html
Hofmann-Wellenhof, B., Lichtenegger, H., and Wasle, E., 2008. GNSS- Global Navigation Satellite Systems: GPS, GLONASS, Galileo, and More. Wein/New York: Springer. ISBN 978-3-211-73012-6.
Moritz, H., 1980. Geodetic reference system 1980. Bulletin Géodésique, 54(3), 395–405.
National Research Council, 2010. Precise Geodetic Infrastructure: National Requirements for a Shared Resource. Washington, DC: The National Academies Press.
Plag, H.-P., and Pearlman, M., 2009. Global Geodetic Observing System. Berlin: Springer.
Torge, W., 2003. Geodesy. Berlin: Walter de Gruyter.
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Blewitt, G. (2016). GPS, Reference Systems. In: Grafarend, E. (eds) Encyclopedia of Geodesy. Springer, Cham. https://doi.org/10.1007/978-3-319-02370-0_92-1
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DOI: https://doi.org/10.1007/978-3-319-02370-0_92-1
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