Addressing Threats to GPS/GNSS

The potential vulnerabilities of the military’s dependence on Global Positioning System (GPS) and Global Navigation Satellite System (GNSS) data are driving demand for new deployed approaches for detecting threats. In GPS/GNSS-denied environments, ensuring accurate Position, Navigation and Timing (PNT) information is delivered to the warfighter is absolutely critical.

Curtiss-Wright is developing rugged subsystems that deliver A-PNT services, designed to compensate for the loss of GPS/GNSS data and provide an alternative resource that enables GPS data to be trusted if an adversary attempts to deliver spoofed PNT data. With data derived from the combination of a Ground Based GPS Receiver Application Module (GB-GRAM), Inertial Navigation System (INS), Chip Scale Atomic Clock (CSAC), and other Complementary PNT services, Curtiss-Wright A-PNT solutions help enable the warfighter to establish “Assured PNT truth.”

 

Proven Technology for Trusted PNT

Curtiss-Wright’s A-PNT solutions are designed to provide ground vehicles with access to trusted PNT information while operating in conditions with limited, impeded, or denied GPS/GNSS. Curtiss-Wright’s A-PNT solutions are cost effective, simple to configure, and rapidly deployable, as well as size, weight and power (SWaP)-optimized for both combat and tactical wheeled vehicle platforms to ease the integration of software and hardware elements required by the warfighter to effectively conduct operations in a GPS/GNSS-denied environment.

By distributing the best available PNT data simultaneously to multiple platform applications that require GPS/GNSS data, Curtiss-Wright A-PNT solutions eliminate the need for a ground vehicle to support multiple GPS/GNSS receivers or antennas. Curtiss-Wright’s A-PNT solutions meet legacy GPS/GNSS distribution requirements and are compatible with standard accessories, such as antennas, configuration cables, and all serial interface cables. They are designed to support both legacy and future technology, including interfacing to mission equipment, as well as Anti-Jam Antenna and tactical communications

 

DBH-670A Digital Beachhead Ethernet Switch and Vehicle Management Computer

Curtiss-Wright’s DBH-670A Digital Beachhead combines an Ethernet switch with a powerful Vehicle Management Computer to provide essential network services to ground vehicles. The DBH-670A is available with pre-integrated VICTORY software, providing VICTORY Data Bus and Platform services, including Management, Access Control, Data Protection, and network distribution of GPS/IMU data such as time, position, orientation, heading, speed, etc. An optional internal GPS receiver provides additional SWaP savings.

Housed in a small and lightweight rugged chassis, the DBH-670A also features a multi-core Arm-based Vetronics computer, with flexible interfaces to monitor and control essential vehicle systems. A large number of vetronics interfaces combined with a powerful software framework simplifies the integration of the DBH-670A into new and legacy vehicles.

 

VPX3-673 Central Timing Module

Curtiss-Wright is now developing a family of COTS-based modules and LRU solutions designed for “Five Eyes” system integrators who are seeking to rapidly and cost-effectively deploy A-PNT services to ground vehicles operating in GPS/GNSS-denied environments. All Curtiss-Wright infrastructure switch products are designed to support the US Army’s VICTORY architecture and the UK MoD’s Generic Vehicle Architecture (GVA) Def-Stan 23-09.

Curtiss-Wright is currently developing the new, rugged VPX3-673 A-PNT Central Timing Module per the CMOSS and OpenVPX Timing module standard. The high-performance VPX3-673 will speed and ease the integration of Complementary PNT sources on ground vehicles, delivering state-of-the-art technology services, including a GPS/GNSS Receiver, Chip Scale Atomic Clock (CSAC), and an on-board Inertial Measurement Unit (IMU). With its innovative SWaP-optimized design, this module will eliminate the need for multiple in-platform boxes or the use of “bolt-on” technologies in order to field new Navigation Warfare (NAVWAR) capabilities.

 

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