New technology going up from the GPS measurements, known W0 and its possible utilization in praxis.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F13%3APU102336" target="_blank" >RIV/00216305:26110/13:PU102336 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
New technology going up from the GPS measurements, known W0 and its possible utilization in praxis.
Original language description
New height precise Earth Geopotential Model EGM08 made possible to developed the value of the geoidal geopotential W0. This value is independent on Earths tides and others disturbances, therefore it can by used as basic quantity for many applications. Value W0 represents mean sea surface. W0 was developed from data of satellite altimetry which monitores actual oceans surface. This value is the one of four fundamental geodetic constants. This value has been accepted worldwide and is included to the IERSConventions 2003, 2007. This value defines in principle parameters of level ellipsoid E0 (a,alfa) which best fit to the surface defined by W0. The body this level ellipsoid produces normal gravity. We developed then other important parameters for determination of the density deviations (VTT technology), i.e. values of normal gravity ge at the equator and gp at the pole on the elipsoid E0 and from many other parameters the value of parameter beta. All parameters above was used for develop
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DB - Geology and mineralogy
OECD FORD branch
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Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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