Global Positioning System IIF in factory

Global Positioning System

Boeing’s Global Positioning System IIF enables customers to know and track where they are anywhere on the globe via a satellite link.

Precision location, timing

The Global Positioning System IIF is a current iteration of the GPS satellite, which Boeing began building in 1978. The company has constructed more than 40 GPS satellites that cumulatively have provided more than 540 years of on-orbit service. GPS satellites orbit some 12,000 miles above the Earth and comprise a worldwide timing and navigation system.


Global Positioning System Technical Specifications

Position Accuracy Requirement 3-meter (on orbit performance exceeding next generation specification)
Mass at Launch 3,600 lbs (1,633 kg)
Power 1952 W, end of life
Solar Cells High efficiency Gallium Arsenide
Dimensions 99 in by 81 in by 71 in (251 cm by 206 cm by 180 cm)
New L5 Signal 1176.45 MHz
Autonomous Operations Up to 60 days

Feature Stories


4th Boeing GPS IIF Space Vehicle Arrives at Florida Launch Site

February 28, 2013 in Space

GPS satellites circle Earth at a distance of 11,000 nautical miles. But one of the most important steps they take can be measured in single numbers.

Learn More
Boeing illustration

Building A Better GPS

January 10, 2013 in Space

Bringing innovations from Boeing’s airplane assembly lines to GPS satellite production, Boeing is helping to make GPS service available wherever whenever you need it.

Learn More


U.S. flag

Boeing has been a proud mission partner to the U.S. Air Force for more than four decades since initial GPS development and operations. GPS IIF satellites are on orbit, meeting mission requirements and delivering improved accuracy over heritage satellites.

GPS IIF Quick Facts

  • An on-orbit, reprogrammable processor receives software uploads for improved system operation.
  • Innovative pulse-line manufacturing approach delivered IIF fleet of 12 to meet constellation sustainment schedule.
  • Twelve-year design life provides long-term service and reduced operating costs.
  • New L5 signal for safety-of-life transportation applications.
  • GPS IIF satellites have increased signal power for civil applications.
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