Home | GPS.gov
May 13, 2025 · The Global Positioning System (GPS) is an essential element of a global information infrastructure. The free, open, and dependable nature of GPS has led to the …
Systems | GPS.gov
Jan 23, 2018 · GPS is operated and maintained by the U.S. Space Force. GPS.gov is maintained by the National Coordination Office for Space-Based Positioning, Navigation, and Timing.
Interface Control Documents (ICDs) & Interface Specifications (ISs)
Information on the civil GPS signals and codes broadcast at the L1, L2, and L5 frequencies. The communication boundaries between the Global Positioning System and other systems, as well …
What Can GPS Do? | GPS.gov
GPS is an essential element of a global information infrastructure. The free, open, and dependable nature of GPS has led to the development of hundreds of applications affecting …
GPS.gov: Interface Control Documents
Feb 5, 2025 · The communication boundaries between the Global Positioning System and other systems, as well as within the GPS itself, are known as interfaces. Interface Control …
GPS and Telling Time | GPS.gov
In addition to longitude, latitude, and altitude, the Global Positioning System (GPS) provides a critical fourth dimension – time. Each GPS satellite contains multiple atomic clocks that …
Since GPS initial operational capability (IOC) was first declared in 1993, actual GPS performance has continuously met and exceeded minimum performance levels specified in the SPS PS and …
Trilateration | GPS.gov
In GPS positioning the rate is how fast the radio signal travels, which is equal to the speed of light (299,792,458 meters per second). Time is determined by how long it takes for a signal to …
Next Generation Operational Control System (OCX) | GPS.gov
OCX will command all modernized and legacy GPS satellites, manage all civil and military navigation signals, and provide improved cybersecurity and resilience for the next generation …
For Students and Educators | GPS.gov
In 2018, the U.S. government released a free curriculum that uses GPS concepts and activities to stimulate student interest in science, technology, engineering, and mathematics (STEM).