Official U.S. Government information about the
Global Positioning System (GPS) and related topics
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User Support for GPS Devices, Apps, and Maps
Frustrated by missing/wrong locations and directions in GPS devices and apps? The problem is in the mapping information used by the devices/apps. That information comes from the private sector (e.g., Google, Apple), not from the GPS satellites.
The U.S. government cannot correct mapping errors in consumer devices/apps, but has published instructions to help you report them to the responsible parties:
Report a mapping problemIf you experience a sudden loss of GPS satellite signals or other unusual behavior, please report it to the authorities using our GPS Service Outages & Status Reports page. Go there
Website Feedback
The National Coordination Office for Space-Based Positioning, Navigation, and Timing maintains the contents of GPS.gov in coordination with multiple federal agencies. Learn about us
We welcome your comments on how to improve this site.
- Take our website satisfaction survey
- Report a broken link, display error, usability issue, or incorrect information on GPS.gov.
- Offer a general suggestion for improving this website.
- Find out about link exchanges with GPS.gov
When reporting a display error, please specify your browser version and operating system. Including a screenshot can help. Learn how
Other Topics
Please check our Frequently Asked Questions page for answers to common questions about GPS, including:
- How do I add or correct my location in GPS devices, apps, and maps?
- I lost my mobile phone/device. Can GPS help me find it?
- How vulnerable is GPS to malicious jamming?
- Is military GPS more accurate than civilian GPS?
- More questions...
Please send all other inquiries to the National Coordination Office for Space-Based Positioning, Navigation, and Timing at pnt.office@gps.gov.
The National Coordination Office does not provide user support for GPS devices, apps, or maps.
