air-to-ground tv system
71Air traffic controller — For the video game series, see Air Traffic Controller (video game). Air Traffic Controller Military air traffic controllers in a control tower Occupation Activity sectors Aviation …
72Ground Observer Corps — The Ground Observer Corps was a series of Civil Defense programs in the United States to protect against air attack. First begun in World War II by the Army Air Force, the 1.5 million civilian observers at 14,000 coastal observation posts used… …
73Air force — An air force, also known in some countries as an air army or historically an army air corps , is in the broadest sense, the national military or armed service that primarily conducts aerial warfare. The term air force may also refer to a tactical …
74Ground communication outlet — There are multiple classes of airspace. Depending on the level of aviation activity in a class of airspace, different levels of air traffic control are used. An GCO is a variant of RCO. Historically, pilots would use a RCO, which was a direct… …
75Air Ministry Experimental Station — AMES or Air Ministry Experimental Station was the way of identifying RAF radar types during and after World War II*AMES Type 1, Chain Home (CH) Early Warning *AMES Type 2, Chain Home Low (CHL) Early Warning, LOW altitude *AMES Type 3, Type 1 and… …
76Ground-controlled approach — In aviation a ground controlled approach (GCA), is a type of service provided by air traffic controllers whereby they guide aircraft to a safe landing in adverse weather conditions based on radar images. Most commonly a GCA uses information from… …
77Air Traffic Controller (video game) — is a simulation computer game series that simulates the operation of an airport developed by TechnoBrain.Initially released as a computer game, there has also been three PSP versions, a Gameboy Advance and a Nintendo DS version.The games simulate …
78Air transport in China — As a result of the rapidly expanding civil aviation industry, by 2007 China had around 500 airports of all types and sizes in operation, about 400 of which had paved runways and about 100 of which had runways of 3,047 m or shorter. There also… …
79Ground Based Interceptor — Eine GBI Rakete wird in ein Silo geladen Die Ground Based Interceptor Rakete (dt. etwa: „bodengestützte Abfang[einheit]“) ist eine Anti Ballistic Missile zur Abwehr von ballistischen Interkontinentalraketen. Sie ist ein wesentlicher Bestandteil… …
80Ground effect in cars — For another similarly named effect relating to aircraft, see Ground effect in aircraft. Ground effect is term applied to a series of aerodynamic effects used in car design, which has been exploited to create downforce, particularly in racing cars …
