What is referred to by 'a radio antenna'?

Based on the clue 'a racecar superimposed on an outline of the state ...', what is the answer? Based on the clue 'a rachael ray recipe for this colorful dairy dress...', what is the answer? Based on the clue 'a rack of this meat usually contains 6 8 ribs is ...', what is the answer? Based on the clue 'a racquet game derives its name from this manor ho...', what is the answer? Based on the clue 'a radio personality who provokes pushes the limit...', what is the answer? Based on the clue 'a radio stations music catalog', what is the answer? Based on the clue 'a raiding practice of buying up shares forcing the...', what is the answer? What is associated with: a rail bridge across this firth at queensferry scotland has 2 1700 foot spans?