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AN/ALQ-153 is an airborne Pulse-doppler tail warning radar for detecting missiles, protecting B-1B Lancer and B-52H Stratofortress aircraft. It replaced the AN/ALQ-127, introducing a solid-state transmitter, frequency-agile waveform and digital processing using non-scanning antennas that have low backlobes. The ALQ-153 was originally manufactured by Westinghouse (now Northrop Grumman).
History
Installed on B-52 aircraft at Barksdale Air Force Base, ten test flights were flown in May and June 1981. During these tests, totaling 39 hours, there were four failures with a mean-time-between-failure (MTBF) rate of 9.75 hours.
Technical Description
Features
Although primarily used for missile defense, the ALQ-153 could accurately warn of aircraft threats as well providing continuous range and time-to-intercept indications on the control indicator. When a missile is detected, an audible tone is transmitted to the electronic warfare officer (EWO) allowing him/her to respond with the proper countermeasures.
Components
The ALQ-153 consists of six line replaceable units (LRUs), with a total size of 2.36 cubic feet weighing 138 pounds. The LRUs include:
- Two antennas
- Radar receiver/transmitter (RT)
- Analog Data Signal Processor (ADSP)
- Digital Data Signal Processor (DDSP)
- Control indicator
- Signal Data Converter
References
- ^ "AN/ALQ-153", Military Periscope, retrieved December 26, 2024
- Pike, John (January 9, 1999), "AN/ALQ-153 Missile Warning System", FAS Military Analysis Network, retrieved December 26, 2024
- ^ Jenkins, Capt Vincent M. (November 23, 1981), "AN/ALQ-153 Tail Warning System Follow-on Operational Test and Evaluation" (PDF), Defense Technical Information Center (DTIC), Headquarters Strategic Air Command, retrieved December 26, 2024
- ^ Skorupa, LtCol John A. (September 1989), Self-Protective Measures to Enhance Airlift Operations in Hostile Environments (PDF), Air University Press, retrieved December 26, 2024
- Patterson, Maj Göran (September 1993), An illustrated overview of ESM and ECM systems (PDF), Naval Postgraduate School, retrieved December 26, 2024