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PNU & UPNU

PNU & UPNU

Region

United States
United States

Category

Ammunition, Missiles and precision weapons
Ammunition, Missiles and precision weapons

The EMCORE PNU (Position and Navigation Unit) and UPNU (Universal Position and Navigation Unit) are advanced fire control navigation systems designed for the Multiple Launch Rocket System and High-Mobility Artillery Rocket System programs. They integrate precision inertial sensors, advanced electronics, and GPS and odometer aiding to deliver the pointing and positioning accuracy required for indirect fire mission execution on current and future Army platforms. The IFCS PNU and UFCS UPNU variants are engineered for

seamless integration into modern fire control architectures and are designed to remain operationally effective and cost-efficient over long service lives. Their combination of high-accuracy inertial navigation with GPS aiding makes them appropriate for artillery positioning, gun laying, and weapon system orientation in both GPS-supported and GPS-degraded operational environments.
Tech Specs
Dimensions (L x W x H)24.2 x 10.51 x 11.06 in, 61.5 x 26.7 x 28.1 cm
Weight74 lbs (34 kg)
Power90W, 16-36 VDC
Initialization TimeStatic Align 5 mins, Accelerated Align 2 mins, Dynamic Align 15 mins
Pointing Accuracy0.3 + 0.25 secant (latitude) mil probable error
Roll/Elevation Accuracy0.17 mil probable error, 0.25 mil RMS
Position Accuracy (GPS-Aided)10 m Horizontal Circular Error Probable (HCEP),, 10 m Vertical PE (VPE)
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