February 14, 2019

Government Researchers Working to Address GPS Vulnerabilities

Two recent reports have underscored the threats to the GPS system from space-capable adversaries. Both the Worldwide Threat Assessment, released Jan. 30 by the Senate Select Committee on Intelligence, and theDefense Intelligence Agency’s newly released Challenges to Security in Spacedetail the potential for China, Russia and others to damage the constellation or disrupt its signals.

With worries mounting about these risks, and the more mundane but still harmful prospect of regional jamming or spoofing, organizations throughout the U.S. government are working on ways to address vulnerabilities and find ways to operate without GPS.

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By Dee Ann Divis
December 15, 2017

Harris Corp. Delivers Fourth GPS III Satellite Navigation Payload; Establishing a Proven, Reliable Production Cadence

Completing the fourth delivery of 10 navigation payloads for Lockheed Martin’s GPS III satellites, Harris Corporation delivered the advanced navigation payload for the fourth GPS III Space Vehicle (SV04) to Lockheed Martin on October 29 – establishing a proven and reliable production cadence. Harris delivered two payloads in 2017 and is committed to delivering four more in 2018.

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By Inside GNSS
August 9, 2017

Harris Corp. Delivers Navigation Payload for Third Lockheed Martin GPS III Satellite

The MDU performs the primary mission of the GPS satellite, which is generation of the navigation signals and data that provide precise time information to users on a continuous basis. Photo: Harris Corp.

Harris Corporation has delivered the third of 10 advanced navigation payloads to Lockheed Martin, which will increase accuracy, signal power and jamming resistance for U.S. Air Force GPS III satellites.

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By Inside GNSS