TAG: anti-jam

Cobham launches next-generation GPS anti-jam system at Paris Air Show

June 19, 2017By

Cobham Antenna Systems has launched its next-generation anti-jam GPS system. The system provides significant immunity to jamming compared with a conventional GPS antenna, allowing the platform to operate over 100 times closer to the jammer whilst maintaining its GPS reception, the company said. The system will be available to view on Cobham’s stand, hall 2b, stand E156, at the International Paris... read more

Anti-jam systems: Which one works for you?

June 14, 2017By

In my April column, I introduced the basic concepts behind GPS anti-jam technology, along with a bit of history around its evolution. I knew this was a popular topic, but I didn’t anticipate the enormous amount of positive correspondence I’ve received since, including many inquiries about where to buy this technology and who is entitled to have it. So this... read more

Anti-jam technology: Demystifying the CRPA

April 12, 2017By

Controlled reception pattern antennas (CRPAs, pronounced “serpers”), adaptive antennas, null-steering antennas, beamforming antennas… You’ve probably heard of at least one of those terms in any discussion around GPS anti-jam technology for defense. Because they are all terms that describe essentially the same thing: a specialized antenna that helps protect GPS receivers from interference and jamming. But what exactly are they? Where... read more

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Raytheon, US Air Force upgrade navigation in decoy-jammer vehicle

March 1, 2017By

Raytheon Company and the U.S. Air Force validated performance of an upgraded navigation system for the Miniature Air Launched Decoy-Jammer (MALD-J) in six flight tests from B-52 and F-16 aircraft at White Sands Missile Range, New Mexico. The system upgrade, designated as GAINS II (GPS-Aided Inertial Navigation System), includes an enhanced multi-element GPS-controlled antenna assembly. The new technology improves MALD-J... read more

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New system designed to protect avionics from GPS jamming

January 31, 2017By

Israel Aerospace Industries (IAI) has unveiled ADA — an advanced system that protects avionic systems from GPS jamming. ADA has already been integrated into several systems and platforms operating both in Israel and abroad. The system recently won a tender from Israel’s Ministry of Defense for integration into one of the main platforms of the Israel Air Force. ADA was developed... read more

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Mayflower selected for submarine antenna anti-jam upgrade

October 31, 2016By

An antenna upgrade for U.S. Navy submarines is being provided to improve GPS anti-jamming capabilities. Mayflower Communications Company, subcontractor to Lockheed Martin Sippican, is applying its Submarine Anti-Jam GPS Enhancement (SAGE) capability to the U.S. Navy Multifunction Mast Antenna System (OE-538B) upgrade to improve submarine communications and meet Navigation Warfare (NAVWAR) requirements. The Mayflower SAGE — a variant of Small Antenna System (SAS)... read more

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US Naval Observatory chooses NovAtel GPS anti-jam technology

October 10, 2016By

The United States Naval Observatory (USNO) has selected NovAtel’s GPS Anti-Jam Technology (GAJT) to satisfy a requirement for a controlled reception pattern antenna capability at sites throughout the Department of Defense Information Network (DoDIN). The DoDIN is the core global enterprise network of the United States military and is depended upon for secure and sensitive voice, data, video and bandwidth services.... read more

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Canadian Army to Test NovAtel GPS Anti-Jam Antenna

July 6, 2015By

Public Works and Government Services Canada (PWGSC) has selected NovAtel’s GAJT-AE antenna electronics for testing on Canadian Army platforms. The GAJT-AE, developed in Calgary at NovAtel’s global headquarters, is a GPS anti-jam solution suitable for small and weight constrained applications. The testing is being conducted through PWGSC’s Build in Canada Innovation Program (BCIP). PWGSC will procure a number of GAJT-AE’s on... read more

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