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GPS jammer: GPS navigation steering system

Publiée le 08/10/2020 par blocker

In the Raytheon Technologies anechoic chamber, a Raytheon UK engineer aligns a broadband antenna in preparation for a frequency response test on the Landshield Plus unit. The room is designed to both absorb reflections of electromagnetic waves and prevent the ingress of outside waves so that a detector can receive the RF energy directly.This anti-jam technology keeps GPS navigation clear
The military also depends on GPS
GPS navigation is critical to today's battlefield use. It enables the precise location of military assets in real time. So if enemy forces try to turn off military GPS navigation, that is serious.
Raytheon UK has developed a new, compact cheap GPS jammer system that protects its signal within the electromagnetic spectrum. With the one-box system Landshield Plus, the GPS devices can be used against a large number of jammers.
https://www.jammer-mart.com/
"Unfortunately, GPS signals are relatively easy to disrupt," said Alex Rose-Parfitt, Raytheon UK technical director. "This improved anti-jamming technology is helping to fix a weak point on the modern battlefield."
Weighing in at just 2.9 kilograms, Landshield Plus is the newest member of the Landshield GPS Anti-Jam product family. It is an inexpensive and low-power technology that can be used with standalone GPS receivers. The system also works in communication, inertial navigation, sight, vehicle or weapon target systems.
Landshield Plus not only protects GPS against electronic war attacks, but also alerts the user to interfering signals. By locating the source of interference - in terms of direction, type and number - Landshield Plus can help ward off further interference.
"In unprotected systems, power from a signal jammer can flood satellite signals and antennas, resulting in a complete loss of GPS navigation," said Ian Wallis, program engineer at Raytheon UK. "Landshield Plus removes the jamming effect by simply adjusting the gain profile of the antenna and reconnecting the GPS to the available satellites."
https://www.jammer-mart.com/portable-gps-blockers-jammers.html
The user receives information about the jamming signal and its direction, which, according to Wallis, can be reported back to commanders and operators on the battlefield. This data helps commanders make faster, more informed decisions.
The system was developed for existing and future land-based military vehicles and is currently being tested worldwide.
For the past decade, Raytheon UK has focused on small form factor handheld jammer for land platforms. And as the demand for GPS protection grows on smaller, lighter platforms, the technology could support unmanned aerial systems or systems carried by soldiers. Research is ongoing to find the right balance between flexible, lightweight materials and high frequency performance, said Roland Wright, manager of business development at Raytheon UK's Global Sensors.
"An anti-jam solution is no longer limited to high-value assets like naval ships and military aircraft," he said. "Future technologies in this area will eventually take shape for a truly portable system."

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GPS jammer: GPS navigation steering system
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