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DRU-H-R Dynamic Reference Unit-Hybrid Replacement Precision navigation system providing accurate position & attitude data
DRU-H-R Dynamic Reference Unit-Hybrid Replacement

Precision navigation system providing accurate position & attitude data

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DRU-H-R Dynamic Reference Unit-Hybrid Replacement

The DRU-H-R (Dynamic Reference Unit-Hybrid Replacement) delivers high-precision mission-critical position and attitude data for vehicle navigation and platform pointing and positioning. Ideal for unmanned vehicles and naval environments, the combat-proven system has been utilized in U.S. Army artillery systems and counter-artillery radars.

The DRU-H-R can be optionally enhanced with an embedded Selective Availability Anti-Spoofing Module (SAASM) GPS with M-code capability.

Specifications:

Dimensions (W x D x H): 13.25 x 10.75 x 8.85 in
33.7 x 27.3 x 22.5 cm
Weight: 21.82 kg (48.1 lb)
Power: 90W, 16 – 36 VDC
Initialization Time: Static Align 5-15 mins programmable
Accelerated Align 1 min
Dynamic Align 15 mins
Azimuth: 0.67 mil Probable Error (PE), 0 ° to 65 ° N/S latitude
0.283 secant (latitude) mil PE 65 °S to 80 ° S & 65 ° N to 80 ° N latitude
Roll/Elevation Accuracy: 0.34 mil PE
Position Accuracy (Inertial): 18 m HCEP, ≤ 27 km DT
10 m VPE, ≤ 35 km DT with 4 minute ZUPTs
Position Accuracy (GPS-Aided): 10 m Horizontal Circular Error Probable (HCEP),
10m Vertical PE (VPE)
No Zero Velocity Updates (ZUPTs) necessary