AN/APQ-181
IOC: 1988
Total Production: 20
Origin:United States of America
Contractor/s:
Raytheon
Description:
The AN/APQ-181 was developed to meet the US Air Force requirements of a low probability of intercept radar for the B-2 stealth bomber. APQ-181's physical design provides two completely redundant radar sets, each consisting of antenna, transmitter signal, signal processor, data processor and receiver/exciter. In the event of a malfunction, this design architecture will continue to provide a fully functioning radar system.
In August/September 2004, the Northrop-Grumman as prime contractor awarded Raytheon a contract to provide an active electronically scanned array (AESA) antenna that will enhance the overall performance of B-2 bombers while minimizing the probability of enemy interception of the antenna radio frequency emissions. Each AESA antenna will consist of more than 2,000 two-channel transmit/receive modules. The B-2 Radar Modernization Program (RMP) has been valued at $600 million.
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Notes
(*) lead contractor
IOC: Initial Operating Capability
FOC: Full Operating Capability
CEP: Circular Error Probable
Comm: Commissioning Date
Meters (m) Kilometers (km) Nautic Miles (nm) Inch (in) Yard (yd) Foot (ft) Millimeter (mm)
Pound (lb) Kilogram (kg) kN (KiloNewton) Ton (t)
Meters per Second (mps) Kilometers per Hour (kph) Knot (kt) Miles per Hour (mph)
Liter (l) Galon (gl)
Year (yr) Minutes (min) Second (sec)
Shaft-Horse-Power (shp)
Last Updated: Wednesday, July 02, 2008
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