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GAJT mitigates interference by creating nulls in the antenna gain pattern in the direction of jammers, providing significant anti-jam protection even in dynamic multi-jammer scenarios. Photo courtesy of BAE. (Click image to enlarge.)

NovAtel's GPS Anti-Jam Technology Chosen for the UK’s Type 26 Frigate Vessels

November 30, 2017

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NovAtel announced Wednesday that its GPS Anti-Jam Technology (GAJT) has been selected for the United Kingdom's Type 26 Frigates to meet a requirement as part of a protected navigation system. These vessels are 21st Century warships that will replace the Type 23 Frigate as the workhorse of the British Fleet, undertaking the Royal Navy's three core roles - warfighting, maritime security and international engagement - on the world stage.

GAJT protects GPS-based navigation and precise timing receivers from intentional jamming and accidental interference, ensuring that the satellite signals necessary to compute position and time are always available. It is a Commercial Off-the-Shelf (COTS) product, and comes in versions suitable for land, sea, fixed installations and smaller platforms such as Unmanned Aerial Vehicles (UAVs). Warships, military vehicles and platforms, networks and timing infrastructure can all benefit from the protection that GAJT provides. There is no need to replace GPS receivers already installed, as GAJT works with civil and military receivers including SAASM and M-Code.

"The selection of GAJT for the Type 26 Frigates is the result of cooperation between Drumgrange, with its proven track record for rapid realization of demanding defense design tasks, and Forsberg Services, an established navigation systems company and NovAtel dealer whose high quality manufacturing was instrumental to the project," said Peter Soar, business development manager, military and defense of NovAtel. "GAJT is in use operationally and has been shipped to 16 allied nations around the globe. We are grateful for the rigorous technology selection process conducted which led to this choice."

NovAtel's commitment to precise, assured positioning and timing is central to the design of the GAJT antenna. Lean manufacturing techniques and quality processes mean that it can ramp up quickly to meet volume requirements, and according to the company, reliability is assured by NovAtel's industry-best low return rate.

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