TAG: Air Force

The System: Two More Threes for Space

January 1, 2014By

A December 12 contract modification provided Air Force funding to Lockheed Martin to complete the fifth and sixth GPS III space vehicles (SV 05-06). Lockheeed originally received funding to procure long-lead parts for satellites five through eight (SV 05-08) in February 2013. read more

GPS III Prototype Proves Compatibility with Existing Constellation

November 21, 2013By
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The Lockheed Martin prototype of the next-generation GPS satellite, the GPS III, has proven that it is backwardly compatible with the existing GPS satellite constellation in orbit. During tests that concluded on October 17, Lockheed Martin’s GPS III testbed successfully communicated via cross-links to Air Force simulators of the current GPS constellation in orbit. The current GPS constellation includes GPS... read more

GPS IIF-5 Launch Delayed

October 22, 2013By

The scheduled October 23 launch of GPS IIF-5, the fifth in the current “follow-on” generation of GPS satellites, has been postponed in order to complete a review of an adjustment made to the rocket’s upper stage engine. A fuel leak in that engine of the Delta 4 rocket during a GPS launch in October of last year created some worries... read more

The System: Ground Control Readied for GPS III

October 1, 2013By
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Raytheon Company reached several milestones recently in its development of the GPS Next -Generation Operational Control System (GPS OCX). Lockheed Martin’s GPS III Non-flight Satellite Testbed (GNST) — a full-sized, functional satellite prototype currently residing at Cape Canaveral Air Force Station — successfully established remote connectivity and communicated with OCX during pre-flight tests. GNST proved that it could connect with... read more

U.S. Navy Conducts Anti-Jam Tests

July 7, 2013By

In July, the Communications and GPS Navigation Program Office mounted a Small Antenna System on an Aerostar unmanned aircraft, then placed the small UAV in a room lined with signal-absorbent material, where it was subjected to GPS jamming signals. Read more about the tests here.   read more

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Col. Bernie Gruber: Farewell Perspective on GPS Program

June 11, 2013By

This week’s Defense PNT newsletter by GPS World contributing editor Don Jewell carries an exit interview with Col. Bernard “Bernie” Gruber, who is leaving his post as director of the GPS Directorate after more than three and a half years in that position, and concluding his 26-year U.S. Air Force career. Look for the full interview later this week on... read more

Air Force Video Explains GPS Role in Daily Life

June 5, 2013By
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All of us in the GPS industry know someone who only thinks of GPS as a feature of their smartphone. You might direct them to a new YouTube video presented by the U.S. Air Force, which summarizes the worldwide role of GPS. It also touches on the GPS modernization program and new signals. The seven-minute video explains in simple terms... read more

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