GPS

GPS or Global Positioning System is a location system designed to triangulate any point on the planetary surface, or in the skies above it.

It works via a receiver unit at the position to be checked, which has an internal clock, and a microwave receiver to receive signals from orbiting satellite or stratellite systems. The user does not have to transmit anything to the satellite and the satellite does not know the user is there.

The precise time delay for the clock tick of the microwave signal sent gives the distance to each satellite, with an error based on the accuracy of the receiver's clock.

By determining the position of, and distance to, at least three satellites, the receiver can compute its position using triangulation between them.

Below, we offer a selection of links from our resource databases which may match this term.

Acquisition Time ADS-B Cold Start DGPS Differential GPS EGNOS EPE Estimated Position Error Geolocation Global Navigation Satellite System Global Positioning System GLONASS GNSS GPS IMU

Inertial Measurement Unit Intelligent Speed Adaption ISA LAAS LBS Lifelog Lifelogging Local Area Augmentation Systems Location Based Search Location Based Services Location Based System MSAS Multiplexing Receiver

Pictorial Format Avionics Simultaneous Localisation And Mapping SLAM Synthetic Vision System WAAS Wide Area Augmentation System Wide area ground Reference Station Wide area Master Station WMS WRS

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