The codename Tinsel referred to a type of equipment carried by RAF

bombers A bomber is a military combat aircraft that utilizes air-to-ground weaponry to drop bombs, launch torpedoes, or deploy air-launched cruise missiles. There are two major classifications of bomber: strategic and tactical. Strategic bombing is ...

which was used to

jam Fruit preserves are preparations of fruits whose main preserving agent is sugar and sometimes acid, often stored in glass jars and used as a condiment or spread. There are many varieties of fruit preserves globally, distinguished by the meth ...

Luftwaffe The Luftwaffe () was the aerial warfare, aerial-warfare branch of the before and during World War II. German Empire, Germany's military air arms during World War I, the of the Imperial German Army, Imperial Army and the of the Imperial Ge ...

night-fighter A night fighter (later known as all-weather fighter or all-weather interceptor post-Second World War) is a largely historical term for a fighter or interceptor aircraft adapted or designed for effective use at night, during periods of adverse ...

controller's speech

radio Radio is the technology of communicating using radio waves. Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connec ...

-frequencies during the

Second World War World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

. The equipment consisted of an

audio Audio most commonly refers to sound, as it is transmitted in signal form. It may also refer to: Sound *Audio signal, an electrical representation of sound *Audio frequency, a frequency in the audio spectrum *Digital audio, representation of sound ...

microphone A microphone, colloquially called a mic (), or mike, is a transducer that converts sound into an electrical signal. Microphones are used in many applications such as telephones, hearing aids, public address systems for concert halls and publi ...

mounted inside one of the bomber's engine

nacelle A nacelle ( ) is a streamlined container for aircraft parts such as Aircraft engine, engines, fuel or equipment. When attached entirely outside the airframe, it is sometimes called a pod, in which case it is attached with a Hardpoint#Pylon, pylo ...

s whose output fed into the aircraft's standard T1154 radio

transmitter In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna (radio), antenna with the purpose of sig ...

. The

wireless operator A radio operator (also, formerly, a wireless operator in British and Commonwealth English) is a person who is responsible for the operations of a radio system and the technicalities in broadcasting. The profession of radio operator has become l ...

could listen in to the frequencies used by the defending forces and then, when he heard a German transmission, tune his transmitter to the Luftwaffe frequency and transmit the amplified engine-noise on the same frequency, thus jamming the enemy transmission.Price, pp. 174–175 Although not very effective as a jammer, the noise produced merely acted as background noise to the transmitted speech, making it more difficult for the night-fighter crew to distinguish the instructions received from the ground.

Citations

Bibliography

* World War II British electronics {{UK-mil-stub

See also

Citations

Bibliography