Multi-band tracking antenna enables EW-resiliance

Multi-band tracking antenna enables EW-resiliance

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Tracking antenna fro air-ground comms can operate on two RF bands at once, delivering improved robustness and tracking aircraft without GPS.
By Jean-Pierre Joosting

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Persistent Systems has released its new Multi-Band Tracking Antenna for improved ground-based communication with, and tracking of, friendly manned and unmanned aircraft — even in hostile RF- and GPS-denied environments.

The Multi-Band Tracking Antenna can find and follow aircraft without relying on a satellite-based tracking system like GNSS or GPS. This new capability ensures that connectivity with ISR aircraft can be maintained even when these systems are disrupted, denied, or spoofed.  

“This is a game-changer. Now connectivity is maintained even when an enemy is actively denying us access to GPS,” said Ben Wring, Senior Program Engineer at Persistent Systems. “The tracking system remains locked onto the aircraft and mission data continues to flow without disruption.”

The tracking antenna system can now mount two MPU5 MANET radios, each operating on a different RF band. When encountering interference, the system will automatically utilize the band delivering the maximum performance. This is critical given the threat of electronic warfare (EW) from near-peer adversaries.

By operating on multiple RF bands, you can communicate through adversarial interference,” added Wring. “Whether they deny GPS or attack our transmission directly, the system will maintain connectivity.”

The system comes with a single multi-band/multi-polarity antenna feed. There is no need to change the feed when changing RF bands — one single feed covers L-, S-, and C-Bands. The feed also has independent horizontal and vertically polarized inputs, enabling polarization diversity and maximizing MIMO (multiple-input, multiple-output) radio capacity.

The Multi-Band Tracking Antenna supports simultaneous use of an MPU5 with a third-party radio. The third-party radio benefits from the tracker’s ability to operate in GPS denied environments and transmits to the platform over the same multi-band antenna feed horn.

“Like its predecessor, the new antenna system is easily deployable and has a range over 120 miles,” Wring said. “The new system is currently shipping to customers, and an upgrade kit is available to customers with the existing antenna kit.”

www.persistentsystems.com

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