Type 279 radar

Type 279

Country of origin	United Kingdom
Introduced	1940
Type	Early-warning radar
Frequency	43 MHz
PRF	50 per second
Pulsewidth	7–30 μs
Range	50 nautical miles (93 km; 58 mi)
Power	70 kW

The Type 279 radar was a British naval early-warning radar developed during World War II from the Type 79^[1] metric early-warning set. It initially had separate transmitting and receiving antennas that were later combined in the Type 279M to single-antenna operation. This set also had a secondary surface-search mode with surface and aerial gunnery capability and used a Precision Ranging Panel, which passed accurate radar ranges directly to the HACS table (analog computer).^[2][3]

Specifications

Type	Aerial outfit	Peak power (kW)	Frequency (MHz)	Wavelength (mm)	In service
279		70	39.9	7,450	1940
279M		70	39.9	7,450	1941

Notes

1. Friedman, p. 190
2. Howse, Radar at Sea: The Royal Navy in World War II
3. "RADAR IN THE RN AT THE END OF WW2" (PDF). Archived from the original (PDF) on 2015-09-24. Retrieved 2013-01-28.

Bibliography

• Brown, Louis (1999). A Radar History of World War II: Technological and Military Imperatives. Bristol and Philadelphia: Institute of Physics Publishing. ISBN 0-7503-0659-9.
• Friedman, Norman (1981). Naval Radar. London: Conway Maritime Press. ISBN 0-85177-238-2.
• Swords, Sean S. (1986). Technical History of the Beginnings of Radar. London: IEE/Peter Peregrinus. ISBN 0-86341-043-X.
• 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.

External links

• The RN Radar and Communications Museum