High-Performance Fiber Optic, Ring Laser Gyro and MEMS Inertial Sensors & Navigation Systems
PNU & UPNU High-precision pointing and position system

High-precision pointing and position system

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EMCORE’s Position & Navigation Unit (PNU) and Universal Position & Navigation Unit (UPNU) are at the forefront of advanced military navigation systems, delivering impressive performance, reliability, and precision for the Multiple Launch Rocket System (MLRS) and High-Mobility Artillery Rocket System (HIMARS) programs.

Advanced Fire Control Systems

The Improved Fire Control System (IFCS) PNU and Universal Fire Control System (UFCS) UPNU represent the pinnacle of modern military technology. These systems are designed for seamless integration and optimization across both current and future weapon systems and sensors, ensuring precision in pointing and positioning critical to mission success.

State-of-the-Art Design

The PNU and UPNU units are engineered with advanced sensors, cutting-edge electronics, sophisticated software, and integrated GPS and odometer aiding. This combination ensures high accuracy and reliability, meeting the demanding requirements of today’s Army and anticipating the needs of tomorrow.

Future-Proof Technology

Built to remain operationally effective and cost-efficient, the PNU and UPNU systems are designed for long-term support and adaptability. These units are poised to lead the future of land navigation systems, ensuring the Army maintains a tactical edge with state-of-the-art positioning and navigation capabilities.

Key Features:

  • High Performance: Superior pointing and positioning accuracy.
  • Reliability: Designed for continuous operation under rigorous conditions.
  • Quality: Built to the highest standards to support critical missions.
  • Adaptability: Easily integrated into current and future systems.
  • Advanced Technology: Utilizes modern sensors, electronics, and software.


Dimensions (L x W x H) 24.2 x 10.51 x 11.06 in
61.5 x 26.7 x 28.1 cm
Weight 74 lbs (34 kg)
Power 90W, 16-36 VDC
Initialization Time Static Align 5 mins
Accelerated Align 2 mins
Dynamic Align 15 mins
Pointing Accuracy 0.3 + 0.25 secant (latitude) mil probable error
Roll/Elevation Accuracy 0.17 mil probable error 0.25 mil RMS
Position Accuracy (GPS-Aided) 10 m Horizontal Circular Error Probable (HCEP),
10 m Vertical PE (VPE)