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No. 100 Group RAF
No. 100 (Bomber Support) Group was a special duties group within RAF Bomber Command. The group was formed on 11 November 1943 to consolidate the increasingly complex business of electronic warfare and countermeasures in one organisation. The group was responsible for the development, operational trial and use of electronic warfare and countermeasures equipment. It was based at RAF
RAF
stations in East Anglia, chiefly Norfolk. The group was a pioneer in countering the formidable force of radar-equipped Luftwaffe
Luftwaffe
night fighters, using a range of electronic 'homers' fitted to de Havilland Mosquito fighters which detected night fighter radar and radio emissions and allowed the RAF
RAF
fighters to home in onto the Axis aircraft and either shoot them down or disrupt their missions against the bomber streams
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United Kingdom
The United Kingdom
United Kingdom
of Great Britain
Great Britain
and Northern Ireland, commonly known as the United Kingdom
United Kingdom
(UK)[15] or Britain,[note 11] is a sovereign country located off the north-western coast of the European mainland. The United Kingdom
United Kingdom
includes the island of Great Britain, the north-eastern part of the island of Ireland, and many smaller islands.[16] Northern Ireland
Northern Ireland
is the only part of the United Kingdom
United Kingdom
that shares a land border with another sovereign state, the Republic of Ireland
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Radome
A radome (which is a portmanteau of radar and dome) is a structural, weatherproof enclosure that protects a radar antenna. The radome is constructed of material that minimally attenuates the electromagnetic signal transmitted or received by the antenna, effectively transparent to radio waves. Radomes protect the antenna from weather and conceal antenna electronic equipment from view. They also protect nearby personnel from being accidentally struck by quickly rotating antennas. Radomes can be constructed in several shapes — spherical, geodesic, planar, etc. — depending on the particular application, using various construction materials such as fiberglass, PTFE-coated fabric, and others. When found on fixed-wing aircraft with forward-looking radar, as are commonly used for object or weather detection,[1] the nose cones often additionally serve as radomes
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Perfectos
History1875–1919 1920–1952 1953–1989 1990–present SeasonsPeopleCardinal Nation Award winners Coaches Managers Owners and executives BroadcastersOverviewLogos and jerseys Records Cubs rivalry • Royals rivalry World Series
World Series
Championships: pre-MLB: 1886 · MLB: 1926 · 1931 · 1934 · 1942 · 1944 · 1946 · 1964 · 1967 · 1982 · 2006 · 2011Grounds Robison Field (1893–1920) Sportsman's Park
Sportsman's Park
(1920–53) (Busch I) Busch Memorial Stadium
Busch Memorial Stadium
(1966-2005) (Busch II) Busch Stadium
Busch Stadium
(Current)TeamsMLB: St. Louis
St

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Radio
Radio
Radio
is the technology of signaling or communicating using radio waves.[1][2][3] Radio waves
Radio waves
are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves, and received by a radio receiver connected to another antenna. Radio is very widely used in modern technology, in radio communication, radar, radio navigation, remote control, remote sensing and other applications
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Adolf Galland
Spanish Civil WarSecond World WarInvasion of Poland Battle of Belgium Battle of France Battle of Britain Channel Front (WIA) Defence of the Reich
Defence of the Reich
(WIA)Awards Spanish Cross
Spanish Cross
In Gold with Swords and Diamonds Knight's Cross of the Iron Cross
Iron Cross
with Oak Leaves, Swords and DiamondsRelations Wilhelm-Ferdinand Galland Paul GallandOther work Aircraft consultantSignatureAdolf Joseph Ferdinand Galland (19 March 1912 – 9 February 1996)[2] was a German Luftwaffe
Luftwaffe
general and flying ace who served throughout the Second World War
Second World War
in Europe. He flew 705 combat missions, and fought on the Western Front and in the Defence of the Reich
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Wing Commander (rank)
Wing commander (Wg Cdr in the RAF, the IAF, and the PAF, WGCDR in the RNZAF and RAAF, formerly sometimes W/C in all services) is a senior commissioned rank in the Royal Air Force[1] and the air forces of many countries which have historical British influence, including many Commonwealth countries but not including Canada and South Africa. It is sometimes used as the English translation of an equivalent rank in countries which have a non-English air force-specific rank structure. It ranks immediately above squadron leader and immediately below group captain
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Antenna (radio)
In radio, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.[1] In transmission, a radio transmitter supplies an electric current to the antenna's terminals, and the antenna radiates the energy from the current as electromagnetic waves (radio waves). In reception, an antenna intercepts some of the power of an electromagnetic wave in order to produce an electric current at its terminals, that is applied to a receiver to be amplified. Antennas are essential components of all radio equipment, and are used in radio broadcasting, broadcast television, two-way radio, communications receivers, radar, cell phones, satellite communications and other devices. An antenna is an array of conductors (elements), electrically connected to the receiver or transmitter
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Royal Air Force
The Royal Air Force
Royal Air Force
(RAF) is the United Kingdom's aerial warfare force. Formed towards the end of the First World War
First World War
on 1 April 1918,[2] it is the oldest independent air force in the world.[3] Following victory over the Central Powers
Central Powers
in 1918 the RAF emerged as, at the time, the largest air force in the world.[4] Since its formation, the RAF has taken a significant role in British military history
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Axis Powers
The Axis powers
Axis powers
(German: Achsenmächte; Italian: Potenze dell'Asse; Japanese: 樞軸國 Sūjikukoku), also known as "Rome–Berlin–Tokyo Axis" (also acronymized as "Roberto"),[1] were the nations that fought in World War II
World War II
against the Allies. The Axis powers
Axis powers
agreed on their opposition to the Allies, but did not completely coordinate their activity. The Axis grew out of the diplomatic efforts of Germany, Italy and Japan to secure their own specific expansionist interests in the mid-1930s. The first step was the treaty signed by Germany and Italy in October 1936
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Electromagnetic Spectrum
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies. The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 1025 hertz, corresponding to wavelengths from thousands of kilometers down to a fraction of the size of an atomic nucleus. This frequency range is divided into separate bands, and the electromagnetic waves within each frequency band are called by different names; beginning at the low frequency (long wavelength) end of the spectrum these are: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays at the high-frequency (short wavelength) end. The electromagnetic waves in each of these bands have different characteristics, such as how they are produced, how they interact with matter, and their practical applications
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Luftwaffe
The Luftwaffe[N 2] (German pronunciation: [ˈlʊftvafə] ( listen)) was the aerial warfare branch of the combined German Wehrmacht
Wehrmacht
military forces during World War II. Germany's military air arms during World War I, the Luftstreitkräfte of the Army and the Marine-Fliegerabteilung of the Navy, had been disbanded in May 1920 as a result of the terms of the Treaty of Versailles which stated that Germany was forbidden to have any air force. During the interwar period, German pilots were trained secretly in violation of the treaty at Lipetsk Air Base. With the rise of the Nazi Party and the repudiation of the Versailles Treaty, the Luftwaffe
Luftwaffe
was officially established on 26 February 1935. The Condor Legion, a Luftwaffe
Luftwaffe
detachment sent to aid Nationalist forces in the Spanish Civil War, provided the force with a valuable testing ground for new doctrines and aircraft
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Radar
Radar
Radar
is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the object(s). Radio
Radio
waves (pulsed or continuous) from the transmitter reflect off the object and return to the receiver, giving information about the object's location and speed. Radar
Radar
was developed secretly for military use by several nations in the period before and during World War II
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Norfolk
Norfolk
Norfolk
(/ˈnɔːrfək/) is a county in East Anglia
East Anglia
in England. It borders Lincolnshire
Lincolnshire
to the northwest, Cambridgeshire
Cambridgeshire
to the west and southwest, and Suffolk
Suffolk
to the south. Its northern and eastern boundaries are the North Sea
North Sea
and, to the north-west, The Wash. The county town is Norwich. With an area of 2,074 square miles (5,370 km2) and a population of 859,400, Norfolk
Norfolk
is a largely rural county with a population density of 401 per square mile (155 per km²)
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Würzburg Radar
The low- UHF
UHF
band Würzburg
Würzburg
radar was the primary ground-based gun laying radar for the Luftwaffe
Luftwaffe
and the Wehrmacht Heer (German Army) during World War II. Initial development took place before the war and the apparatus entered service in 1940. Eventually over 4,000 Würzburgs of various models were produced. It took its name from the city of Würzburg.Contents1 Development 2 Operational models 3 Post-War Use in Astronomy 4 See also 5 Notes 6 References 7 External linksDevelopment[edit] In January 1934, Telefunken
Telefunken
met with German radar researchers, notably Dr. Rudolf Kühnhold of the Communications Research Institute of the Kriegsmarine
Kriegsmarine
and Dr. Hans Hollmann, an expert in microwaves, who informed them of their work on an early warning radar. Telefunken's director of research, Dr
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East Anglia
East Anglia is a geographical area in the East of England. The area included has varied[1] but the legally defined NUTS 2 statistical unit comprises the counties of Norfolk, Suffolk and Cambridgeshire, including the City of Peterborough unitary authority.[2] The name derives from the Anglo-Saxon kingdom of the East Angles, a tribe that originated in Angeln, northern Germany.Contents1 Area 2 History 3 Geography3.1 Climate4 Transport 5 Universities 6 Enterprise zones 7 Symbols and culture 8 Tourism 9 See also 10 Notes 11 References 12 External linksArea[edit] Definitions of what constitutes East Anglia vary. The Anglo-Saxon Kingdom of East Anglia, established in the 6th century, originally consisted of the modern counties of Norfolk and Suffolk and expanded west into at least part of Cambridgeshire
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