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Radar & radio location

Follow the evolution of radar technology, a vital system for detection and location from World War 2 through to the late 20th Century.

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AI-24 Foxhunter Radar

AI-24 Foxhunter Radar

1970-1990

H2S Radar

H2S Radar

1945-1955

AI23 Airpass Radar

AI23 Airpass Radar

1955-1965

Ferranti Blue Parrot aircraft radar visual display unit

Ferranti Blue Parrot aircraft radar visual display unit

Decca airfield radar

Decca airfield radar

1950

ASV (Air-to-Surface-Vessel radar) Mk XI for detection of vessels at sea

ASV (Air-to-Surface-Vessel radar) Mk XI for detection of vessels at sea

Eureka beacon

Eureka beacon

Decca windfinding radar

Decca windfinding radar

1956

Ferranti aircraft radar visual display unit

Ferranti aircraft radar visual display unit

Ferranti type DU2191 display unit

Ferranti type DU2191 display unit

"Walter" or emergency beacon transmitter

"Walter" or emergency beacon transmitter

Plessey Mk 5 radar display, with trolley, c. 1968

Plessey Mk 5 radar display, with trolley, c. 1968

Transmitter, Type T1131K

Transmitter, Type T1131K

1945-1950

Gee Mark 2 cathode ray tube

Gee Mark 2 cathode ray tube

Phasing unit, type 266 no. 394277

Phasing unit, type 266 no. 394277

Ferranti radar rack connector

Ferranti radar rack connector

1953-1954

Frequency-Scanned Planar-Array Microwave Antenna

Frequency-Scanned Planar-Array Microwave Antenna

1956-1960

Doppler Radar Sensor

Doppler Radar Sensor

Marine Radar Equipment Component

Marine Radar Equipment Component

Radar optical shroud

Radar optical shroud

Hilger & Watts radar information reader

Hilger & Watts radar information reader

circa 1958

Latitude data converter type K-310-A/2

Latitude data converter type K-310-A/2

1966

German emergency dinghy transmitter type N.S.4

German emergency dinghy transmitter type N.S.4

Wurzburg radar aerial, folding, trolley-mounted, German, 1939-45

Wurzburg radar aerial

1939-1945

Decca ASMI (Airport Surface Movement Indicating Radar) used at Heathrow from 1967-1989. The object was used to give air-traffic controllers a high-definition picture of the entire airfield. The object was situated on top of the control tower. By giving controllers a pin-point picture of the airfield, including even individual aircraft and vehicles, the airfield could operate in darkness and fog. The high resolution resulted from the very short wavelength used- 8mm.

ASMI (Airport Surface Movement Indicating Radar) used at Heathrow airport

1967

Lorenz standard 'blind approach' radar equipment, including mains and marker beacon receivers (R1124/ R1125) and accessories

Lorenz standard 'blind approach' radar receivers R1124 and R1125 and accessories

Main components of Naval Radar type 293Q, c. 1945 but including display JCB1P of later date

Main components of Naval Radar type 293Q

1945

Doppler radar type 72 - antenna electric unit (Dummy)

Dummy Doppler radar type 72, antenna electric unit

Type 268 marine radar wheelhouse indicator. The full Type 268 radar set consisted of: "cheese antenna" type antenna assembly with waveguide and horn; wheelhouse indicator (this object); power supply; and main console. The antenna was of the “Cheese antenna” type, 30-inches wide × 6.25-inches high, fed by waveguide and horn, not stabilized against pitch and roll. The transmitter used a magnetron of type 725A.

Type 268 marine radar wheelhouse indicator

1944-1952

RadioTransmitter, BC-640-B

RadioTransmitter, BC-640-B

1945-1950

Cossor secondary surveillance radar, type SSR5G, s/n 001, c. 1963

Cossor secondary surveillance radar

1963

Aerial phase shifter from German Freya type early warning radars, c. 1939-1945. As used in hoarding (Mammut) and chimney (Wassermann)

Aerial phase shifter from German Freya type early warning radars

1939-1945

Items from Marconi automatic direction-finder, type AD370 (1967) comprising: a) Receiver ( space model) dismantled into one part chassis and eleven printed circuit boards. b) Loop aerial assembly c) Duplicate ferrite loop - aerial unit as contained in (b). d) Controller, type AA 3702 - 2

Items from Marconi automatic direction-finder

Cossor ACR 6 primary radar, c. 1952 (less scanner and turning gear)

Cossor ACR 6 Primary Radar

1952

Small portable radar torch (Sprat) in exploded form for exhibition

Small portable radar torch

2K25 Reflex Klystron valve, manufactured by Raytheon, USA, c1950. Type JAN-CRP/ E70201.

2K25 Reflex Klystron valve

circa 1950

Radar, AA No. 3 mk VIII, in trailer adapted for display, 1939-45

Radar, AA No. 3 mk VIII

German 'Wurzburg' radar equipment, incomplete (3 items).

German 'Wurzburg' radar equipment

Radar station model. Model of early radar station made by Metropolitan Vickers Mark 37 Director, with instruction booklet date c 1944. Model has receiving unit at the bottom with twin direction dishes at the top, painted grey.

Radar station model. Model of early radar station made by Metropolitan Vickers Mark 37 Director

circa 1944

Oscillator type number 37, probably used no earlier than 1941, as a signal source to test the Chain Home receivers.

Radar oscillator used to test Chain Home receivers

circa 1941

Disc Seal Triode ( Lighthouse Triode) valve, made by General Electric, USA, c 1950. Type GL 464A

Disc Seal Triode ( Lighthouse Triode) valve

circa 1950

Reflex Klystron, later development of the 2K25, type CV2494 KB/Q, serial no. 7248. Manufactured by English Electric Valve Co. Ltd. , c1960.

Reflex Klystron

circa 1960

Portable CVOR - Conventional Very High Frequency Omni Directional Range. Large trailer mounted unit for use in airfields, to guide the landing approach of aircraft through the use of radio direction finding.

Portable CVOR - Conventional Very High Frequency Omni Directional Range

2 x radar V.D.U indicator type 95 ref no. 10Q/16, used for approach radar at British Aerospace, Woodford Listed on transfrer of title form as : CR01 Display Unit TX lock Unit CRe 1023 Radar Oscilliograph 1042A Klystron Power Unit 372T

radar part

Gee Mark 2 display unit

Gee Mark 2 display unit

Eureka equipment comprising:- Transponder vibrator pack. Requires aerials and batteries

Eureka equipment

Synthetic Aperture Radar (SAR), 1989-1990, - forerunner of the ASTOR radar system.

Synthetic Aperture Radar (SAR)

1989-1990

Decca HD516 radar equipment, scanning unit, type 4703 mounted on turning unit, type 651130B

Decca HD516 radar equipment

Collection of objects and archives relating to Ferranti Cathode Ray Tubes and Display Equipment.

collection of objects and archives

External Anode air cooled triode, type VT90 Serial no. P9864, manufactured by NEC Corporation, c1950.

External Anode air cooled triode

circa 1950

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