The Global Positioning System (GPS) is a U.S.-owned satellite-based radio-navigation system that provides positioning, navigation, and timing (PNT) services. Operated by the U.S. Space Force, it consists of a constellation of satellites orbiting the Earth, broadcasting signals to GPS receivers enabling them to calculate their three-dimensional location and time. GPS is used globally in various applications, including civilian and military navigation, surveying, and timing synchronization.
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GRITSS captures Global Positioning System signals onboard, upconverts them in real time to S-band and X-band frequencies, and broadcasts them back to Earth.
Losing access to the global positioning system could cost the Canadian economy $1 billion every day.
The contract modification authorizes Lockheed Martin Space to begin production on Global Positioning System IIIF Space Vehicles 23 and 24.
The Apogee contract targets modernization of Global Positioning System capabilities for U.S. military operations, allied forces, and critical infrastructure worldwide.
The Apogee task order targets modernization of Global Positioning System capabilities for U.S. military operations, allied forces, and critical infrastructure worldwide.
The task order targets modernization of Global Positioning System capabilities for U.S. military operations, allied forces, and critical infrastructure worldwide.
The Global Positioning System constellation reached its highest level of capability early Tuesday with the launch of GPS III Space Vehicle 10 (SV10).
The United States Space Force deployed the final GPS III satellite on April 21, 2026, completing the initial ten-satellite modernization phase for the Global Positioning System.
The Defense Acquisition Executive canceled the Global Positioning System Next Generation Operational Control System (OCX) on April 17 on the recommendation of the acting military acquisition chief.
The Global Navigation Satellite System and Global Positioning System layer provides positioning infrastructure for variable-rate applications and automated field navigation in precision agriculture.
GPS III SV-09 is the ninth satellite in the U.S. Space Force’s Block III Global Positioning System.
The anomaly from the USSF-87 mission is being evaluated for potential manufacturing defects that could delay the next Global Positioning System III satellite launch scheduled for March 2026.
Dr. Gladys West’s calculations of the Earth’s shape provided a foundational mathematical basis for the Global Positioning System.
The U.S. Space Force’s Space Systems Command and Combat Forces Command confirmed the upcoming launch of the ninth Global Positioning System (GPS) III satellite.
Variability in air density directly impacts satellite drag and the reliability of Global Positioning System (GPS) transmissions.
Diego Garcia houses a Monitor Station and Ground Antenna for the Global Positioning System (GPS), enabling navigation message corrections to the GPS constellation.
The 'Quasi-Zenith Satellite System' operates alongside other global positioning systems, including the US-developed Global Positioning System.
Japan aims to achieve a complete geolocation system to ensure uninterrupted services and eliminate reliance on foreign systems like the U.S. Global Positioning System (GPS).
The seven-satellite system ensures that at least one satellite is always above Japan, allowing positioning without reliance on the Global Positioning System (GPS) operated by the U.S. military.
System Delta 831 has direct report System Program Managers focused on developing and fielding integrated Global Positioning System satellites and user equipment.