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 [1]
- Ta-Chi 2 Ground-Based Target Tracking Radar Model 2 - SCR-268 1.5 meter band (200 MHz) derivative built in small numbers [1]
- 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 [1]
- Ta-Chi 4 Ground-Based Target Tracking Radar Model 4 - SCR-268 1.5 meter band (200 MHz) derivative built in small numbers [1]
- 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
Land-based radar
| Designation | Type | Antenna | Wave length | Peak output | Pulse length (µS) | PRF (Hz) | Detection range single aircraft | Detection range formation | Weight | First operational | Number built |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Type 2 Mark 1 Model 1 "11" | Fixed early warning radar | Two rows of three dipoles | 3 m | 5 kW | 20 | 1,000 | 130 km | 250 km | 8,700 kg | March 1942 | 30 total (all marks) |
| Type 2 Mark 1 Model 1 Mod 1 "11-1" | Fixed early warning radar | Two rows of three dipoles | 3 m | 5 kW | 20 | 1,000 | 130 km | 250 km | 8,700 kg | May 1942 | |
| Type 2 Mark 1 Model 1 Mod 2 "11-2" | Fixed early warning radar | Two rows of three dipoles | 3 m | 20 kW | 40 | 500 | 130 km | 250 km | 8,700 kg | May 1943 | |
| Type 2 Mark 1 Model 1 Mod 3 "11-3" | Fixed early warning radar | Two rows of three dipoles | 3 m | 20 kW | 40 | 500 | 130 km | 250 km | 8,700 kg | July 1943 | |
| Type 2 Mark 1 Model 2 "12-Go" | Ground based mobile | Dipole array with a mat type reflector | 1.5 m | 5 kW | 10 | 1,000 | 50 km | 100 km | 6,000 kg | December 1942 | 50 total (all marks) |
| Type 2 Mark 1 Model 2 Mod 2 "12-Go" | Ground based mobile | Dipole array with a mat type reflector | 2 m | 5 kW | 10 | 1,000 | 50 km | 100 km | 6,000 kg | December 1943 | |
| Type 2 Mark 1 Model 2 Mod 3 "12-Go" | Ground based mobile | Dipole array with a mat type reflector | 2 m | 5 kW | 10 | 500 | 150 km effective 300 km max |
6,000 kg | January 1944 | ||
| Type 3 Mark 1 Model 1 "11-Go" | Shore based medium size radar | Two arrays of 5 dipoles | 2 m | 10 kW | 20 | 500 | 150 km effective 300 km max |
October 1943 | unknown | ||
| Type 3 Mark 1 Model 3 "13-Go" | Multi-purpose portable early warning radar. Adapted for submarine use | Dipole array with mat type reflector | 2 m | 10 kW | 10 | 500 | 50 km | 100 km | 110 kg | August 1943 | 1,000 |
| Type 3 Mark 1 Model 4 "14-Go" | Ship-borne long-Range air search | Four two element yagis | 6 m | 100 kW | 20 | 250 | 250 km | 360 km to 450 km | 30,000 kg | May 1945 | 2 to 5 |
| Type 2 Mark 4 Model 1 S3 | Anti-aircraft Fire-Control Radar (Copy of SCR-268) | 2 × 4 dipole array with mat type reflector | 1.5 m | 13 kW | 3 | 2,000 | 20 km | 40 km | 5,000 kg | August 1943 | 50 |
| Type 2 Mark 4 Model 2 S24 | Anti-aircraft Fire-Control Radar (Copy of SCR-268) | 4 Yagis | 1.5 m | 13 kW | 3 | 1,000 | 20 km | 40 km | 5,000 kg | October 1944 | 60 |
| Sources:[2][3] | |||||||||||
Airborne radar
| Designation | Type | Antenna | Wave length | Peak output | Pulse length (µS) | PRF (hz) | Detection range single aircraft | Detection range formation | Weight | First operational | Number built |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Type 3 Mark 6 Model 4 (Type H6) | Airborne radar | Yagi type | 2 m | 3 kW | 10 | 70 km | 100 km | 110 kg | August 1942 | 2,000 | |
| Type FM-1 | Air and surface search radar | Yagi Type | 2 m | 42 kW | 70 km | 100 km | 70 kg | September 1944 | Experimental only | ||
| Type N6 | Air and surface search radar | Yagi type | 1.2 m | 2 kW | 50 km | 70 km | 60 kg | October 1944 | 20 | ||
| Type FM-3 | Air and surface search radar | Yagi type | 2 m | 2 kW | 50 km | 70 km | 60 kg | June 1945 | 100 | ||
| FD-2 | Air and surface search radar | Yagi type | 0.25 m | 2 kW | <10 km | 3 km | 70 kg | August 1944 [5] | 100 |
- 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
References
- Greg Goebel. "Japanese Radar Technology at War".
- Martin Favorite. "Japanese Radar Equipment in World War II". Archived from the original on 13 April 2016.
- Yasuzo Nakagawa (1997). Japanese Radar and Related Weapons. Aegean Park Press. ISBN 0-89412-271-1.
- but not officially used during the war
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