Boeing

              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.

              Milestones

              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

              GPS IIF

              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

              Customer

              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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