teleran

teleran

[tel-uh-ran]
noun (sometimes initial capital letter)
a navigational aid that uses radar to map the sky above an airfield, which, together with a map of the airfield itself, is transmitted by television to aircraft approaching the field.

Origin:
1945–50; short for Tele(vision) R(adar) A(ir) N(avigation)

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World English Dictionary
Teleran (ˈtɛləˌræn)
 
n
trademark an electronic navigational aid in which the image of a ground-based radar system is televised to aircraft in flight so that a pilot can see the position of his aircraft in relation to others
 
[C20: from Tele(vision) R(adar) A(ir) N(avigation)]

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