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: The Global Positioning System
4 天之前 · Official U.S. government information about the Global Positioning System (GPS) and related topics.
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.
GPS | Definition, Types, Uses, & Facts | Britannica
GPS, space-based radio-navigation system. A GPS receiver operated by a user on Earth measures the time it takes radio signals to travel from four or more satellites, calculates the distance to each satellite, and from this calculation determines the user’s position.
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.
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.
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.
Satellite Navigation - GPS - How It Works - Federal Aviation …
Satellite Navigation is based on a global network of satellites that transmit radio signals from medium earth orbit. Users of Satellite Navigation are most familiar with the 31 Global Positioning System (GPS) satellites developed and operated by the United States.
What is a GPS? How does it work? | Library of Congress
The GPS, or Global Positioning System, is one of the hottest technologies around, and no wonder. Consider these diverse uses: Minnesota scientists use GPS to study movements and feeding habits of deer. Surveyors used GPS to measure how the buildings shifted after the bombing in Oklahoma City.