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The Global Positioning System (GPS), originally Navstar GPS, [2] is a satellite-based radio navigation system owned by the United States Space Force and operated by Mission Delta 31. [ 3 ] [ 4 ] It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near the ...
A GPS tracking unit, geotracking unit, satellite tracking unit, or simply tracker is a navigation device normally on a vehicle, asset, person or animal that uses satellite navigation to determine its movement and determine its WGS84 UTM geographic position (geotracking) to determine its location. [1]
GPS encodes this information into the navigation message and modulates it onto both the C/A and P(Y) ranging codes at 50 bit/s. The navigation message format described in this section is called LNAV data (for legacy navigation). The navigation message conveys information of three types: The GPS date and time, and the satellite's status.
The United States' Global Positioning System (GPS) consists of up to 32 medium Earth orbit satellites in six different orbital planes. The exact number of satellites varies as older satellites are retired and replaced. Operational since 1978 and globally available since 1994, GPS is the world's most utilized satellite navigation system.
Samples of three GPS satellites' orbits over a five-year period (2013 to 2018) USA-242 · USA-239 · USA-151 · Earth As of 22 January 2025, 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 3 are in reserve or testing, 43 are retired, 2 were lost during launch, and 1 prototype was never launched. 3 Block III satellites have completed ...
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The Romanian Wikipedia (abr. ro.wiki or ro.wp; [1] Romanian: Wikipedia în limba română) is the Romanian language edition of Wikipedia, the free encyclopedia.Started on 12 July 2003, as of 29 January 2025 this edition has 510,175 articles and is the 30th largest Wikipedia edition. [2]
Fareed Zakaria GPS (Global Public Square), a CNN television show; Geometrical Products Specification, an international standard for geometric dimensioning and tolerancing; Genealogical Proof Standard (see also Cluster genealogy) "GPS" (song), a song by Maluma "Var är jag", renamed to "GPS", a song by Basshunter from his LOL <(^^,)> album