List of Japanese World War II radars

A list of Japanese radars used during World War II.

Army radar
Radar used by the Imperial Japanese Army.

Ground-based radar

 * Ta-Chi 1 Ground-Based Target Tracking Radar Model 1 - SCR-268 1.5 meter band (200 MHz) derivative built in small numbers
 * Ta-Chi 2 Ground-Based Target Tracking Radar Model 2 - SCR-268 1.5 meter band (200 MHz) derivative built in small numbers
 * Ta-Chi 3 Ground-Based Target Tracking Radar Model 3 - (Based on British GL sets captured in Singapore) - 3.75 m (80 MHz) pw = 1 or 2 us, Power = 50 kW, PRF = 1 or 2 kHz (range 40 km), 150 built by Sumitomo Entered service early 1944. Yagi Antenna
 * Ta-Chi 4 Ground-Based Target Tracking Radar Model 4 - SCR-268 1.5 meter band (200 MHz) derivative built in small numbers
 * Type A Bi-static Doppler Interface Detector (High Frequency Warning Device "Ko")
 * Ta-Chi 6 TypeB Fixed Early Warning Device (Fixed Early Warning Device "Otsu") 1943 - 3 meter band (100 MHz) - 60 built
 * Ta-Chi 7 TypeB Mobile Early Warning Device (Mobile Early Warning Device "Otsu") Transportable version of the Ta-Chi 6
 * Ta-Chi 13 Aircraft Guidance System
 * Ta-Chi 18 TypeB Portable Early Warning Device (Portable Early Warning Device "Otsu") - 3 meter band (100 MHz) - 400 built
 * Ta-Chi 20 Fixed Early Warning Device Receiver (for Ta-Chi 6)
 * Ta-Chi 24 Mobil Anti-Aircraft Radar (Japanese-built Würzburg radar)
 * Ta-Chi 28 Aircraft Guidance Device
 * Ta-Chi 31 Ground-Based Target Tracking Radar Model 4 Modify
 * Ta-Chi 35 Height finding radar

Airborne radar

 * Ta-Ki 1 Model 1 Airborne Surveillance Radar
 * Ta-Ki 1 Model 2 Airborne Surveillance Radar
 * Ta-Ki 1 Model 3 Airborne Surveillance Radar
 * Ta-Ki 11 ECM Device
 * Ta-Ki 15 Aircraft Guidance Device Receiver (for Ta-Chi 13)

Shipborne radar

 * Ta-Se 1 Anti-Surface Radar
 * Ta-Se 2 Anti-Surface Radar

Medium bomber, with control air-to-air missile device

 * Mitsubishi Ki-67 Hiryu "Peggy" I KAI Go-IA: This experimental modification was for managed air-to-air guided missile evaluations, during 1944–1945.

Guided missiles

 * Kawasaki Ki-147 I-Go Type1 – Ko Air-to-Surface Radio Guidance Missile
 * Mitsubishi Ki-148 I-Go Type1-Otsu Air to Surface Radio Guidance
 * Missile I-Go Type 1-Hei
 * "Ke-Go" IR Guidance Air to Surface Missile

Navy radar
Radar used by the Imperial Japanese Navy

Airborne radar

 * Type 5 Model 1 Radio Location Night Vision Device

Shipborne radar

 * Type 2 Mark 2 Model 1 Air Search Radar ("21-Go" Air Search Radar)
 * Type 2 Mark 2 Model 2 Modify 3 Anti-Surface, Fire-assisting Radar for Submarine ("21-Go" Modify 3 Anti-Surface, Fire-assisting Radar)
 * Type 2 Mark 2 Model 2 Modify 4 Anti-Surface, Fire-assisting Radar for Ship ("21-Go" Modify 4 Anti-Surface, Fire-assisting Radar)
 * Type 2 Mark 3 Model 1 Anti-Surface Fire-Control Radar ("31-Go" Anti Surface Fire-Control Radar)
 * Type 2 Mark 3 Model 2 Anti-Surface Fire-Control Radar ("32-Go" Anti Surface Fire-Control Radar)
 * Type 2 Mark 3 Model 3 Anti-Surface Fire-Control Radar ("33-Go" Anti Surface Fire-Control Radar)

Radar-equipped bomber devices for maritime reconnaissance/antisubmarine patrol

 * Mitsubishi G3M3 (Model 23) "Nell": This bomber for long range capacity, in 1943, was used as a Maritime reconnaissance/Radar aircraft for long range missions and some electronic warfare work in the seas.
 * Mitsubishi G4M1 (Model 11/12) "Betty": From 1942, the G4M of this model was also used for the same purpose as the G3M bomber, for maritime long range capacities with sea radar and electronic warfare equipment.
 * Nakajima B5N2 "Kate"/Nakajima B6N1-2 Tenzan "Jill": In 1944, some torpedo bombers of mentioned types used with antisubmarine, radar detection (with finding radar equipment) and similar purposes in maritime short or medium range missions from carriers or land bases.
 * Aichi E13A1b "Jake" Mark 11B: like model 11A, added Air-Surface radar and other night conversion with radar (E13A1b-S).
 * Kawanishi H6K2,4 and 5 "Mavis" Marks 11,22 and 23: More powerful engines, for ultra long range missions, long range sea radio equipment and air-surface finding radar added.
 * Kawanishi H8K2 "Emily" Mark 12: more potent engines for ultra-long range maritime recon missions, major heavy armament; also long range sea radio equipment and air-surface search radar added
 * Kawanishi E7K2 "Alf" Mark 2: short range hydroplane, was installing magnetic detection equipment and finding surface radar for short range patrol and antisubmarine missions
 * Kyushu Q3W1 Nankai (South Sea): two place version of training aircraft Kyūshū K11W1 Shiragiku, for anti-submarine patrol - was equipped with sea-surface finding antisubmarine sonar (one prototype)
 * Kyūshū Q1W1 Tokai "Lorna": Anti-submarine patrol aircraft. Was equipped with sea-surface radar and antisubmarine equipment for escorted convoys in the East China Sea, the Yellow Sea and the Sea of Japan during short times in 1944-45.
 * Mitsubishi Q2M Taiyō: Advanced Antisubmarine patrol design, derived from Mitsubishi Ki-67 Hiryū "Peggy" Bomber. Was equipped with magnetic antisubmarine search device, air-surface radar and electronic warfare equipment.

Navy air guided missiles

 * Funryu Type1 Surface to Air Radio Guidance Missile
 * Funryu Type2 Surface to Air Radio Guidance Missile
 * Funryu Type3 Surface to Air Radio Guidance Missile
 * Funryu Type4 Surface to Air Radio Guidance Missile