Radar and radio terms that appear in the literature of the Bomber War 1939-1945. Refer to “Bomber Command Association News Letter”, “Dresden” by David Irving, “The Other Battle” by Peter Hinchliffe, “The Bomber War” by Robin Neillands and “RAF Strategic Bombing: From Art to Science” by HC “Bill” Sykes.

 

Feb 2002

 

ABC

Royal Air Force

Air Borne Cigar Jamming device to interfere with enemy transmissions. Extremely vulnerable to being homed onto.

 

 

AI

 

Air Interception radar.

 

AIRBORNE GROCER

Royal Air Force

Used to jam Wurzburg radar but could be vulnerable to homing by fighters.

 

Arado 234

Luftwaffe

Ar 234 Blitz, The world's first jet bomber. A few were converted to night-fighters.

 

 

ASPIDISTRA

Royal Air Force

Code name for the ground transmitters operating the DARTBOARD interference system.

 

 

ASPIRIN

 

Royal Air Force

Countermeasure to Knickebien.

 

 

ASV

 

Air to Surface Vessel. Radar used to detect shipping.

 

 

AURAL MONICA

Royal Air Force

Tail warning radar device giving pips over the intercom of aircraft approaching from behind and below

 

 

BIG BEN

Royal Air Force

North Sea patrols to try to detect the guidance system of the German V2 rockets.

 

 

Blenheim,

Royal Air Force

Bristol Twin engines used as bomber, fighter and night-fighter,

 

BLOCKBUSTER

Royal Air Force

A 4,000lb bomb. First used 14 April 1941

 

 

 

BOOZER

 

Royal Air Force

Airborne device which warned that the aircraft carrying it was being monitored by Würzburg gun laying radar or Lichtenstien radars.

 

 

BRIAR

Royal Air Force

Ground transmitter used to jam enemy Würzburg ground receivers.

 

 

BROMIDE

 

Royal Air Force

Counter measure to interfere with Knickebein signals.

 

 

CARPET

Royal Air Force

Airborne jammer of German ground radar.

 

 

 

CAT

Royal Air Force

ground station of OBOE (see Mouse)

 

 

CHAFF

Royal Air Force

(Window) Aluminium strips used to jam enemy radar.

 

 

CIRCUS

 

Royal Air Force

Combined fighter and bomber raids. Started 10 Jan 1941

 

 

 

COAL SCUTTLE

 

Royal Air Force

Modification existing H2S navigational radar to give a visual bearing every 30 seconds on a signal under investigation

 

 

CORKSCREWING

 

Royal Air Force

Evasive manoeuvre adopted by bombers.

 

 

 

CORONA

Royal Air Force

Ground transmitter based at Rugby and Leafield. Used by German speaking operators to transmit confusing messages over the German night-fighter RT control frequencies.

 

 

COUNTER MEASURE

 

System designed to counter effects of enemy system

 

 

CREEP BACK

Royal Air Force

The progressive dropping of bombs before the target was reached.

 

 

DARTBOARD

Royal Air Force

Ground-based interference from "ASPIDISTRA" of enemy RT and WT.

 

 

DINA

Royal Air Force

An American improvement of MANDREL airborne jamming device. Also named PIPERACK when used to counter FuG 220 AI radar

 

Do 17

Luftwaffe

Dornier Used as a night-fighter with an infrared detection system,

 

Do 217

Luftwaffe

Dornier The Do 217J and N were night-intruder or night-fighter versions,

 

 

DR

 

DEAD RECKONING system of navigation

 

 

DRUMSTICK

Royal Air Force

Ground based interference with enemy WT transmissions.

 

 

DUNKEL-NACHTJAGD

Luftwaffe

DARK NIGHT HUNT   German night-fighter zone not backed by searchlights.

 

 

DÜPPEL

Luftwaffe

The German version of WINDOW. Strips of aluminium foil dropped to confuse the ground radar.

 

 

ECM

 

Electronic Counter Measures.

 

 

EMIL

Luftwaffe

Nickname for the Messerschmitt Bf 109E. Single engine fighter.

 

 

EMIL-EMIL

Luftwaffe

Luftwaffe Tracking signals to guide night-fighters to target.

 

 

EUREKA

Royal Air Force

                             Ground station blind homing and approach aid for aircraft.

 

 

FIDGET

Royal Air Force

Interference of enemy high frequency night-fighter transmissions

 

 

FISHPOND

Royal Air Force

Device fitted to H2S to enable wireless operators to scan beneath the bombers for night-fighter attacks from below.

 

 

FLAK

 

Luftwaffe

FLieger Abwehr Kanonen The shells from German anti-aircraft gun

 

 

FLENSBURG

Luftwaffe

(FuG 227) An air interception device homing onto MONICA tail warning radar.

 

 

FLOWER

Royal Air Force

Intruder sortie, usually by Mosquitoes, against German night-fighter airfields during bomber operations.

 

 

FREIJAGD

Luftwaffe

Bf 109s in independent high altitude sweeps over southern Britain to divert Fighter Command's response.

 

 

FREYA

Luftwaffe

(FuG 221) A series of German early warning long range radars.

 

 

FuGe

 

Luftwaffe

Funk Gerät A series of airborne homing devices used to illuminate MANDREL, MONICA, H2S and ASV. Later modifications permitted their use as search radars.

 

 

FuGe25

Luftwaffe

IFF radar on fighters for identification to Würzburg.

 

 

FuGe25a

Luftwaffe

IFF radar on fighters for identification to Freya

 

Fw 190

Luftwaffe

Focke Wulf fighter single engine

 

 

GARDENING

 

Royal Air Force

Code word for mine laying by aircraft

 

 

 

GEE

Royal Air Force

Radar navigational aid which could provide the navigator with a fix from pulses transmitted by three ground stations. Range approximately 300 miles. The pulses displayed on a Cathode Ray Tube provided a reading. The navigator referred the reading to a chart to obtain ground position. First used 11/12 August 1941 

 

 

G-H

Royal Air Force

A two-station radar position finding system used as a navigation and bombing aid.

 

 

GISELA

Luftwaffe

German intruder operation night-fighters following the British bombers back to their bases.

 

GOMORRAH

Royal Air Force

Operation to attack Hamburg

 

 

GRAND SLAM

Royal Air Force

22,000lb bomb. First used by No 617 Squadron 14 March 1945

 

 

GROSS-BATTERIEN

Luftwaffe

Batteries of anti-aircraft guns.

 

 

GROUND GROCER

Royal Air Force

Jamming device used to interfere with Air Interception radar.

 

 

GROUND RECEIVER

 

Ground based station receiving signals.

 

 

GUSTAV

Luftwaffe

Nickname for the Bf 109G.

 

 

H2S

Royal Air Force

“HOME SWEET HOME". A blind bombing aid which produced a radar 'picture' of the terrain over which the aircraft was passing.  First used by No 7 & 35 Squadrons 30 Jan 1943.

 

 

H2X (MICKEY)

 

H2S used in the USAF.

 

 

Halifax

Royal Air Force

Handley Page H.P.57 Heavy bomber, Four engines less known than the Lancaster but almost as important. It was built both with liquid-cooled and radial engines

 

Hampden,

 

Royal Air Force

Handley Page H.P52 Medium bomber, used during the first part of WW2. Heavy losses were suffered on day bomber missions. The Hampden was abandoned by Bomber Command in 1942.

 

 

HAPPY VALLEY

Royal Air Force

Nickname for the Ruhr industrial area.

 

 

 

HEINRICH

Luftwaffe

German transmitter to jam GEE. First used 9/10 August 1942

 

 

HELLE NACHTJAGD

Luftwaffe

ILLUMINATED NIGHT HUNT. German night-fighter interception involving searchlights.

 

HIMMELBETT

Luftwaffe

System of directing night-fighter to a target.

 

 

HOMER

Royal Air Force

Ground-based radio guidance system using transmission from aircraft returning to landing ground.

 

 

IFF

 

IDENTIFICATION FRIEND OR FOE. Equipment carried by aircraft of both sides, which issued a signal identifying it as friendly to own radar stations.

 

INTRUDER

 

Aircraft used to infiltrate into the enemy air space. Often attacking landing aircraft.

 

 

JABO

Luftwaffe

JAGDBOMBER Messerschmitt Bf 109s converted to carry 250Kg bombs and carry out nuisance raids.

 

 

JAGDGESCHWADER

Luftwaffe

Day fighters.

 

 

JAGDSCHLOSS

Luftwaffe

Rotating long range early warning radar.

 

 

JAM

 

To interfere with radio and radar transmissions

 

 

JAMMER

 

An installation to interfere with enemy radar and radio transmissions.

 

 

JOSTLE

Royal Air Force

Airborne jamming device to interfere with enemy RT transmissions.

 

Ju 88

Luftwaffe

Junkers 88, One of the most versatile aircraft of WW2. It began its career as a fast dive bomber and reconnaissance aircraft, and later was used also as, night-fighter and heavy day fighter.

 

 

JUG

Royal Air Force

Nickname for the P-47 Thunderbolt escort fighter.

 

 

KAMMHUBER-LINE

Royal Air Force

Nickname for the system of air defence set up by General Joseph Kammhuber.

 

 

KAMPF GESHWADER

Luftwaffe

Bomber wings.

 

 

KNICKEBEIN

Luftwaffe

German radio beams used to guide their bombers to their targets. Based on LORENZ landing system.

 

 

KORFU

Luftwaffe

(FuG 351) Ground radar used to produce fixes on the bombers using H2S equipment.

 

Lancaster

Royal Air Force

Avro The most used British heavy bomber. Four engines. The Lancaster was a development of the unsatisfactory twin-engine {Manchester}. First used 3 March 1942

 

Liberator

 

Consolidated B-24 heavy bomber. Four engines.

 

 

LICHTENSTEIN