Global Positioning System - Wikipedia
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] 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 Earth where ...
GPS - NASA
2023年9月25日 · The Global Positioning System (GPS) is a space-based radio-navigation system, owned by the U.S. Government and operated by the United States Air Force (USAF). It can pinpoint a three dimensional position to meter-level accuracy and time to the 10-nanosecond level, worldwide and 24/7.
GPS | Definition, Types, Uses, & Facts | Britannica
GPS, space-based radio-navigation system that broadcasts highly accurate navigation pulses to users on or near Earth. In the United States’ Navstar GPS, 24 main satellites in 6 orbits circle Earth every 12 hours.
GPS.gov: GPS Overview - GPS: The Global Positioning System
2021年2月22日 · The Global Positioning System (GPS) is a U.S.-owned utility that provides users with positioning, navigation, and timing (PNT) services. This system consists of three segments: the space segment, the control segment, and the user segment.
Satellite Navigation - Global Positioning System (GPS)
The Global Positioning System (GPS) is a space-based radio-navigation system consisting of a constellation of satellites broadcasting navigation signals and a network of ground stations and satellite control stations used for monitoring and control.
GPS: What is it and how does it work? | Space
2022年12月6日 · GPS stands for Global Positioning System. We use this technology every day but how does it work and why was it invented? Here we explore this vital technology.
How Does GPS Work? | NASA Space Place – NASA Science for Kids
2024年11月8日 · Today, all we need is a simple hand-held GPS (short for Global Positioning System) receiver to figure out exactly where we are anywhere in the world. But we still need objects high in the sky to figure out where we are and how we get to other places. Instead of stars, we use satellites.
Global Positioning System - United States Space Force
The Global Positioning System (GPS) is a constellation of orbiting satellites that provides position, navigation, and timing data to military and civilian users globally. The system is operated and controlled by Space Delta 8, located at Schriever Air Force Base, Colo.
What Is GPS and How Does It Work? - Lifewire
2020年6月21日 · The Global Positioning System (GPS) is a navigation system owned by the United States government that's made up of three main segments: The Space Segment is a navigation system of at least 31 satellites, 24 (or more) …
GPS: The Global Positioning System
5 天之前 · Official U.S. government information about the Global Positioning System (GPS) and related topics