GPS (global positioning system)

GPS (global positioning system)

Of or referring to a space based navigation system that provides location, time, and weather conditions on earth.

Industry: Telecommunications

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GPS (global positioning system)

Real time kinematic (RTK)

Telecommunications; GPS (global positioning system)

The Relative Positioning procedure whereby carrier phase measurements (or corrections) are transmitted in real-time from a Reference or Base Station to the user's roving receiver. Centimetre accuracy ...

Real-time DGPS

Telecommunications; GPS (global positioning system)

A Base Station computes, formats, and transmits pseudo-range corrections via some sort of data communication link (e.g., VHF or UHF radio, cellular telephone, FM radio sub-carrier or satellite com ...

Differential GPS (DGPS)

Telecommunications; GPS (global positioning system)

An extension of the GPS system that uses land-based radio beacons to transmit position corrections to GPS receivers. DGPS reduces the effect of selective availability, propagation delay, etc. and can ...

Dilution of precision (DOP)

Telecommunications; GPS (global positioning system)

A measure of the GPS receiver/satellite geometry. A low DOP value indicates better relative geometry and higher corresponding accuracy. The DOP indicators are GDOP (geometric DOP), PDOP (position ...

Ephemeris (plural: ephemerides)

Telecommunications; GPS (global positioning system)

The file of values from which a satellite's position and velocity (the so-called "satellite state vector") at any instant in time can be obtained. The "Broadcast Ephemeris (or Ephemerides)" for a ...