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The AN/ALR-67 Radar Warning Receiver is designed to warn an aircraft's crew of potentially hostile radar activity. It is an airborne threat warning and countermeasures control system built to be successor to the United States Navy's AN/ALR-45. Northrop Grumman Corporation's Electronic Systems sector (Rolling Meadows, Illinois) was the main contractor for the AN/ALR-67(V) and (V)2. Raytheon Electronic Warfare Systems (Goleta, California) was the main contractor for the AN/ALR-67(V)3. == Northrop Grumman AN/ALR-67(V) and AN/ALR-67(V)2 == The AN/ALR-67 countermeasures warning and control system is the standard threat warning system for tactical aircraft and was specifically designed for the A-6E/SWIP, AV-8B, F-14B, F-14D and F/A-18. The system detects, identifies and displays radars and radar-guided weapon systems in the C to J frequency range (about 0.5 to 20 GHz). The system also coordinates its operation with onboard fire-control radars, datalinks, jammers, missile detection systems and anti-radiation missiles. The AN/ALR-67(V)2 comprises the following units: * four small spiral high-band antennas to provide 360° azimuth RF coverage * four wideband, high-band quadrant receivers * a low-band array plus receiver to provide 360° azimuth low-band coverage * a narrowband superheterodyne receiver for signal analysis functions * twin CPU * an azimuth display unit (ADU) * control unit. The AN/ALR-67(V)2 in turn has been given a significant enhancement in capability, through Engineering Change Procedure ECP-510 to the AN/ALR-67E(V)2 standard. The AN/ALR-67E(V)2 provides additional enhancements including a 10-fold improvement in detection ranges when in the presence of a wingman's radar signals; it also incorporates Inertial guidance system (INS) stabilisation for accurate display in high ''g'' manoeuvres and during high roll maneuvers. The designation ALR-67B(V)2 is in connection with the ALR-67 systems fitted to Spain's EF-18 and Canadian's CF-18 aircraft. Over 1,600 AN/ALR-67(V) and AN/ALR-67(V)2 systems have been sold. The AN/ALR-67(V) has been supplied to the U.S. Navy and U.S. Marine Corps and the air forces of Australia, Canada, Finland, Kuwait, Malaysia, Spain and Switzerland. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「ALR-67 Radar Warning Receiver」の詳細全文を読む スポンサード リンク
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