Definition of "radio antenna" []

• Omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received (noun)

WordNet. Princeton University. 2010.

• "His radio antenna gone, Armstrong could not communicate: “So I had to make a no-radio approach where you go over the field and waggle your wings, and the people in the tower, they’re supposed to see you and realize that you’re making a no-radio approach.”"