Block IIF satellite

Artist's rendering of GPS IIF satellite. (Image: U.S. Air Force )

January 3, 2022

Boeing awarded contract to support GPS Block IIF operations

By Tracy Cozzens

Source: Peter Steigenberger, André Hauschild, Steffen Thoelert and Richard B. Langley

April 1, 2017

U.S. Air Force puts more power into GPS Block IIR-M C/A-code

By GPS World Staff

February 8, 2016

Air Force successfully launches GPS IIF-12 satellite

By GPS World Staff

April 15, 2015

GPS Glitch Two Years Older than First Stated

By GPS World Staff

March 23, 2015

GPS IIF-9 Launches Wednesday

By GPS World Staff

March 23, 2015

Air Force Working on Glitch for GPS IIF Satellites

By GPS World Staff

March 19, 2015

CNAV Performance ‘Matches or Slightly Outperforms’ Legacy Signals

By GPS World Staff

August 1, 2010

The System: Three’s the Challenge

By GPS World Staff

May 26, 2009

Parkinson Prescribes Remedy for GAO Report Alarm

By GPS World Staff

May 12, 2009

GPS at Risk: Doomsday 2010

By GPS World Staff

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