TAG: jamming

Expert Opinions: OEM R&D budget for mitigation of jamming

August 8, 2016By

Q: What percent of a GNSS designer or manufacturer’s R&D budget should be devoted to mitigation of jamming? A: Solving for jamming, intentional or unintentional, in the design of any GNSS technology platform is no longer an option. How much any one company spends is largely a function of how much is spent on engineering overall and of how much... read more

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FAA issues GPS interference flight advisory

June 9, 2016By
GPS Interference testing this June on the West Coast of the United States.

[[Editor’s note: After this story was posted, and after the Navigate! enewsletter containing it was sent out to 27,128 subscribers, GPS World received notice that in fact the U.S. Navy  canceled plans to jam GPS signals in the vicinity of the China Lake, California, Naval Air Weapons Station. The Aircraft Owners and Pilots Association (AOPA) had raised concerns about the... read more

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GNSS jam-proof test range ready for customer testing

May 25, 2016By
Locatalite transceiver installation in the White Sands Missile Range Ultra High-Accuracy Reference System, provided by the U.S. Air Force for testing equipment under conditions of GPS jamming.

A new dimension in real-world PNT testing has arrived. One of the most critical things to predict for chips, receivers and devices using alternative or back-up PNT technologies is how they will actually perform without GPS. Filling this need, the U.S. Air Force 746th Test Squadron has declared Initial Operational Capability (IOC) for its new truth reference, the Ultra High-Accuracy... read more

Air Force jam-proof reference system ready to support testing

May 24, 2016By
Locatalite transceiver installation in the White Sands Missile Range Ultra High-Accuracy Reference System, provided by the U.S. Air Force for testing equipment under conditions of GPS jamming.

The U.S. Air Force 746th Test Squadron has declared Initial Operational Capability (IOC) for its new truth reference, the Ultra High-Accuracy Reference System (UHARS), which employs LocataLite transceivers. Even when GPS is being completely jammed, UHARS provides extremely accurate positioning, navigation and time (PNT) over the large area of White Sands Missile Range (WSMR) in New Mexico that the system was designed to cover.... read more

AF Space Command holds wargame focused on resilience

May 24, 2016By

Air Force Space Command began its 10th Schriever Wargame May 19 at Maxwell AFB, Montgomery, Ala. The Schriever Wargame (SW 16), set in the year 2026, explores critical space issues and investigates the integration activities of multiple agencies associated with space systems and services. The objectives of SW 16 center on identifying ways to increase the resilience of space that includes our intelligence community, civil, commercial... read more

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Congress yanks funding for OCX

May 17, 2016By

The U.S. Senate Armed Services Committee withheld the full amount requested by the Pentagon for Fiscal Year (FY) 2017 for OCX, the Next-Generation Operational Control System (ground control) for GPS, heretofore deemed necessary to operate the next generation of satellites, GPS III. The Pentagon had asked for $394 million in the upcoming funding cycle, to enable Raytheon to continue work... read more

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South Korea to build eLoran system after jamming incident

May 3, 2016By
SouthKorea-Seoul

South Korea will award a contract this month to secure technology required to build an eLoran system as an alternative to GPS, reports the Australian Broadcasting Company (ABC). The announcement follows South Korea pointing the finger at North Korea for jamming its GPS signal reception in late March. The South Korean eLoran plan envisions setting up coastal transmitters by the end... read more

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GNSS has bad days, too

April 27, 2016By
(courtesy Ursanav)

“Even the best technology has a bad day,” Charles Schue told the New York Stock Exchange (NYSE), which relies very heavily on the best technology to keep the world’s financial edifice afloat. Vulnerabilities in the stock market were pointed up during a demonstration on April 19, showcasing how one positioning, navigation and timing (PNT) system can cover the chinks in... read more

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