Feature Stories
Common Questions
- How do I add or correct my location in GPS devices, apps, and maps?
- What can I do about trucks being routed through my neighborhood?
- How do I report GPS service outages?
- Can GPS help me find my lost phone?
- How does GPS work?
- Where are the GPS ground control sites located?
- How accurate is GPS?
- How vulnerable is GPS to malicious jamming?
Pop Quiz
True or false? GPS satellites continuously track and record the movements of every GPS user.
TRUE FALSE GPS satellites are just beacons, like lighthouses, that a GPS device uses to determine its own position. GPS satellites cannot track anything on the ground. Learn moreVideo Message
The Air Force produced this video about its operation of GPS and other space missions.
New Additions to GPS.gov
- May 18: Advisory board presentations
- May 13: Advisory board agenda
- May 9: Baska GNSS presentation
- May 3: CGSIC Portland 2016
- May 2: American Space Renaissance Act
Official U.S. Government information about the
Global Positioning System (GPS) and related topics
Feb 5: Final GPS IIF Satellite Launched into Space

