Upgrading GPS Networks

May 30, 2024

Upgrading GPS Networks

Introduction

  • Sponsored by Air Force Collaboratory.
  • Importance of GPS in daily life.

New GPS Satellite Launch

  • Air Force launching GPS tf5, the fifth upgraded satellite.
  • Goals: Make GPS faster, more accurate, more efficient.

History of GPS

  • 1973: First generation GPS by Air Force for locating soldiers, missile launches.
  • 1989: Launch of first GPS 2 satellite.
  • 2000: GPS network opened to public.

GPS Functionality

  • Network: 24 operational satellites, extras for backup.
  • Trilateration: Uses location/distance of at least 3 satellites to pinpoint user's location.
  • Timing: Critical for accuracy, relies on atomic and quartz clocks.

Uses of GPS

  • Positioning and navigation.
  • Timekeeping (stock market, ATMs).

Upgrades and Future Plans

  • Type 2F Satellites: Interim upgrades, 12-year lifespan, improved clocks, new signals.
  • Type 3 Satellites: Planned for 2020, more accurate clocks, increased signal strength.

Call to Action

  • Air Force collaboratory seeking public input on satellite positioning.
  • Encourages participation and innovative ideas.

Additional Resources