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 …
GPS | GPS.gov
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 …
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 …
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 …
The GPS Directorate (SMC/GP) is the necessary authority to make this IS effective. SMC/GP administers approvals under the auspices of the Configuration Control Board (CCB), which is …
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 …
GPS Service Outage & Status Reports
The GPSOC, part of U.S. Space Force Space Operations Command, provides DOD and allied GPS users worldwide with anomaly reports and other information 24 hours a day, seven days …
GPS Accuracy | GPS.gov
How accurate is GPS for speed measurement? As with positioning, the speed accuracy of GPS depends on many factors. The government provides the GPS signal in space with a global …
GPS.gov: GPS Week Number Rollover - April 2019
To provide the current date, the Global Positioning System (GPS) keeps an internal count of the number of weeks since January 5, 1980. The main civil GPS signal (C/A code) broadcasts the …
Support | GPS.gov
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.