AN/ALQ-135

The AN/ALQ-135 is an electronic countermeasure (ECM) jamming system produced by Northrop Grumman for the Tactical Electronic Warfare Suite (TEWS) on F-15 Eagle and F-15E Strike Eagle aircraft. The system can jam and track multiple anti-aircraft missiles in addition to other threats.[1] During the Gulf War, the AN/ALQ-135 logged more than 6,600 hours of combat, yet no aircraft were lost to a threat the system protects against.[2]

Development

Since the 1970s, the AN/ALQ-135 system has been a component of F-15 aircraft. The system has been continually upgraded. These upgrades include processor upgrades, durability upgrades, and weight reduction. Now the system is installed on more than 500 F-15s. The band 3 system was first installed in 1988. The band 1.5 system was first installed in F-15s in 2000.[2]

System Information

The modern system consists of five components of band 1.5 and band 3 equipment to cover the full spectrum of threats. The AN/ALQ-135 (v) system consists of the B3 RF Amplifier, B3 Control/Oscillator, B1.5 RF Amplifier, B1.5 Control/Oscillator, and the LRU-14.

The band 1.5 and band 3 equipment share 70% of their hardware. This means that logistics and maintenance are more easily performed. The band 1.5 and band 3 systems can jam both high band and low band threats.

Size Specifications[2]
Component Weight Volume Dimensions
B3 RF Amplifier 97 lbs (44 kg) 2030 in³ (.033m³) 11.8 X 8 X 21.5 in (30 X 20.3 X 54.6 cm)
B3 Control/Oscillator 116 lbs (52.7 kg) 2408 in³ (.039 m³) 14 X 8 X 21.5 in (35.6 X 20.3 X 54.6 cm)
B1.5 RF Amplifier 95 lbs (43.2 kg) 2030 in³(.033 m³) 11.8 X 8 X 21.5 in (30 X 20.3 X 54.6 cm)
B1.5 Control/Oscillator 100 lbs (45.5 kg) 2408 in³ (.039 m³) 14 X 8 X 21.5 in (35.6 X 20.3 X 54.6 cm)
LRU-14 10.5 lbs (4.8 kg) 195 in³ (.0032 m³) 3.5 X 8.25 X 6.75 in (8.9 X 21 X 17.1 cm)

Variants

AN/ALQ-135D

Used by F-15E

AN/ALQ-135M

Used by F-15K[1]
gollark: Encryption keys of some sort for DRM? Those are subject to some bits of the DMCA IIRC.
gollark: I don't know if it's ever come up, but it's an interesting question.
gollark: https://bitcoin.stackexchange.com/questions/39347/how-to-store-data-on-the-blockchain
gollark: Transactions can be (ab?)used to store data, I think.
gollark: I mean, it would be replicated to all the blockchain nodes, so are *they* breaking the law?

See also

References
  1. http://www.globalsecurity.org/military/systems/aircraft/systems/an-alq-135.htm
  2. "Archived copy" (PDF). Archived from the original (PDF) on 2011-01-04. Retrieved 2011-01-19.CS1 maint: archived copy as title (link)
  • AN/ALQ-135 globalsecurity.org
  • AN/ALQ-135 (V) northrorgrumman.com
  • AN/ALQ-135M northroprumman.com
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