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GPS.GOV
Official U.S. government information about the Global Positioning System (GPS)
and related topics
 * Home
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GPS: THE GLOBAL POSITIONING SYSTEM

A global public service brought to you by the U.S. government
Information for the General Public


HOW TO CORRECT YOUR ADDRESS IN GPS DEVICES, APPS, & ONLINE MAPS



Do GPS devices show your home or business in the wrong place? The problem is not
GPS! It's the mapping software.

Report your issue to the software providers


COMMON QUESTIONS

 * How do I add or correct my address in GPS devices, apps, and maps?
 * What can I do about trucks driving through my neighborhood?
 * How do I report GPS service outages?
 * Can GPS help me find my lost phone?
 * How does GPS work?
 * How accurate is GPS?
 * How vulnerable is GPS to malicious jamming?


FEATURED CONTENT

 * What is GPS?
 * How GPS Works
 * Truckers: Don't Use Consumer GPS Devices!
 * GPS Jamming is Illegal

For GPS Professionals


WHAT'S HOT FOR PROS

 * 2020 GPS SPS performance analysis
 * Recent presentations
   * Multi-GNSS Asia, Mar 9-10
   * Munich Summit, Mar 7
   * Open PNT Industry Alliance, Feb 9
   * Nepal GNSS training, Jan 11-14
 * Technical documentation
   * 2021 ICWG meeting minutes
   * ICD updates for 2021
   * PRN assignments, Jun 2021
 * Ligado Networks and GPS
 * U.S. Space-Based PNT Policy of 2021
 * Funding & legislation
   * FY22 GPS funding & NDAA


NEWS ITEMS

   
 * Feb 15: FCC, NTIA establish spectrum coordination initiative
   
 * Dec 6: December 2021 PNT advisory board meeting agenda
   
 * Nov 29: NIST recommends steps to boost resilience of U.S. timekeeping
   
 * Nov 19: PNT advisory board to meet Dec 9-10


NEW ADDITIONS TO GPS.GOV

   
 * Mar 14: 2021 ICWG minutes
   
 * Mar 9: Multi-GNSS Asia 2022 presentation
   
 * Mar 7: Munich Summit 2022 presentation
   
 * Mar 2: 2020 GPS performance report


RESILIENCE THROUGH RESPONSIBLE USE OF PNT

Information and resources for improving positioning, navigation, and timing
resilience, especially in critical infrastructure


REPORT/LOOKUP GPS
SERVICE DISRUPTIONS

Other Audiences
 * For Legislative Staff
 * For Students & Teachers

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 * 中文
 * عربي

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