The Type 285 radar was a British naval anti-aircraft gunnery radar developed during the Second World War. The prototype was tested at sea aboard the escort destroyer HMS Southdown in August 1940.[1]
Type 285 radar| Country of origin | United Kingdom |
|---|
| Introduced | 1940 |
|---|
| Type | Fire-control radar |
|---|
| Frequency | 600 MHz |
|---|
| Beamwidth |
- 18° (horizontal)
- 43° (vertical)
|
|---|
| Pulsewidth | 2 μs |
|---|
| Range | 18,000 yd (16,000 m) |
|---|
| Altitude | 15,000 ft (4,600 m) |
|---|
| Precision | 150 yd (140 m) |
|---|
| Power | 25 kW |
|---|
| Type
|
Aerial outfit
|
Peak power (kW)
|
Frequency (MHz)
|
Wavelength (cm)
|
In service
|
| 285
|
|
25
|
600
|
50
|
1941
|
| 285M
|
|
150
|
600
|
50
|
1941
|
| 285P
|
|
150
|
600
|
50
|
1942
|
- Campbell, John (1985). Naval Weapons of World War II. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-459-2.
- Friedman, Norman (1981). Naval Radar. London: Conway Maritime Press. ISBN 0-85177-238-2.
- Watson, Raymond C. Jr. (2009). Radar Origins Worldwide: History of Its Evolution in 13 Nations Through World War II. Trafford. ISBN 978-1-4269-2111-7.
