About: AN/APQ-7

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The AN/APQ-7, or Eagle, was a radar bombsight system developed by the US Army Air Force. Early studies started in late 1941 under the direction of Luis Alvarez at the MIT Radiation Laboratory, but full-scale development did not begin until April 1943. By this time US-built, higher frequency systems promising better performance over the existing British H2S radar were entering production. Eagle's even higher resolution was considered important to Air Force planners who preferred precision bombing but were failing to deliver it, and high hopes were put on the system's abilities to directly attack small targets like docks and bridges.

Attributes	Values
rdfs:label	AN/APQ-7 (en)
rdfs:comment	The AN/APQ-7, or Eagle, was a radar bombsight system developed by the US Army Air Force. Early studies started in late 1941 under the direction of Luis Alvarez at the MIT Radiation Laboratory, but full-scale development did not begin until April 1943. By this time US-built, higher frequency systems promising better performance over the existing British H2S radar were entering production. Eagle's even higher resolution was considered important to Air Force planners who preferred precision bombing but were failing to deliver it, and high hopes were put on the system's abilities to directly attack small targets like docks and bridges. (en)
foaf:depiction
dcterms:subject	Military radars of the United States Radars of the United States Air Force
Wikipage page ID	49635296 (xsd:integer)
Wikipage revision ID	1017948844 (xsd:integer)
Link from a Wikipage to another Wikipage	B-17 Flying Fortress MIT Radiation Laboratory Bell Labs Bombsight Radar Boca Raton Edward George Bowen Eighth Air Force Plan Position Indicator Antenna gain Luis Walter Alvarez Side lobe Phase (waves) Thickness planer Mechanical computer Western Electric H2X Early warning radar Norden bombsight Cavity magnetron Asiatic-Pacific Theater Military radars of the United States Radars of the United States Air Force Tizard Mission Dielectric Dipole antenna Polystyrene H2S radar H2X radar New York City X band Slot antenna State of the art Wavelength Dihedral (aircraft) Waveguide Lee DuBridge Philip Dee Westover Field B-24 Liberator B-29 Superfortress Microwave radar Radiation Lab US Army Air Force Sweepback dbr:K-system_(bombsight)
Link from a Wikipage to an external page	http://www.alternatewars.com/SAC/AirborneArmament/Volume_I.htm http://www.whittsflying.com/web/WWII_RADAR_HISTORY/x10_The_Eagle_Story/index.htm
sameAs	AN/APQ-7 AN/APQ-7 AN/APQ-7
dbp:wikiPageUsesTemplate	dbt:Cite_book dbt:Cite_journal dbt:Convert dbt:Frac dbt:Reflist dbt:Sfn
thumbnail	wiki-commons:Special:FilePath/Eagle_antenna_under_B-29_of_501BG.jpg?width=300
has abstract	The AN/APQ-7, or Eagle, was a radar bombsight system developed by the US Army Air Force. Early studies started in late 1941 under the direction of Luis Alvarez at the MIT Radiation Laboratory, but full-scale development did not begin until April 1943. By this time US-built, higher frequency systems promising better performance over the existing British H2S radar were entering production. Eagle's even higher resolution was considered important to Air Force planners who preferred precision bombing but were failing to deliver it, and high hopes were put on the system's abilities to directly attack small targets like docks and bridges. The war effort was already winding down when the first production units arrived in late 1944. A small number were fitted to B-17 Flying Fortress and B-24 Liberator aircraft intended for use in Europe, but none of these arrived in time to see action before the war ended. The system was first used operationally with the B-29 Superfortress in the Pacific Theater starting in May 1945. The addition of the APA-46 and 47 "Nosmo" synchronized a Norden bombsight with the APQ-7, and the entire assembly became known as the APQ-7A. The war ended shortly after this system was introduced, and Eagle saw little real world use. Post-war efforts focused on the , as Eagle's unique antenna design made it difficult to use with higher speed jet powered bombers. (en)
gold:hypernym	System
prov:wasDerivedFrom	wikipedia-en:AN/APQ-7?oldid=1017948844&ns=0
page length (characters) of wiki page	13439 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:AN/APQ-7
is Link from a Wikipage to another Wikipage of	Bombsight List of radars 502d Bombardment Group H2X 501st Combat Support Wing Air raids on Japan Alfred Sarant XXI Bomber Command AN/APA-47 Eagle radar
is Wikipage redirect of	AN/APA-47 Eagle radar
is foaf:primaryTopic of	wikipedia-en:AN/APQ-7

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