GPS.gov: Space Segment
Jun 28, 2022 · The GPS space segment consists of a constellation of satellites transmitting radio signals to users. The United States is committed to maintaining the availability of at least 24 operational GPS satellites, 95% of the time.
Global Positioning System - Wikipedia
Built on a flexible architecture that can rapidly adapt to the changing needs of today's and future GPS users allowing immediate access to GPS data and constellation status through secure, accurate and reliable information.
GPS Constellation | Navigation Center
6 days ago · A depiction of the GPS constellation of satellites with slot and plane designations is provided here as an easy-to-read graphic which will be updated as satellites enter or leave the constellation.
List of GPS satellites - Wikipedia
The constellation requires a minimum of 24 operational satellites, and allows for up to 32; typically, 31 are operational at any one time. A GPS receiver needs four satellites to work out its position in three dimensions.
Satellite constellation - Wikipedia
A satellite constellation is a group of artificial satellites working together as a system. Unlike a single satellite, a constellation can provide permanent global or near-global coverage, such that at any time everywhere on Earth at least one satellite is visible.
GPS - NASA
Sep 25, 2023 · Today the GPS satellite constellation (the space segment) consists of over 30 operational satellites, each equipped with redundant atomic clocks and tracked by a ground control network (the control segment).
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 Delta 8, located at Schriever Air Force Base, Colo.