What does the cryptic crossword clue "Broadcasting on air with the dubious leading figure (8)" mean?

The wordplay uses an anagram. anagram of ON (synonym="broadcasting") + AIR (synonym="AIR") + THE (synonym="THE") = ANTIHERO The answer is ANTIHERO.

Broadcasting on air with the dubious leading figure (8)

Independent Cryptic #11714 | 26 Across | 2024-04-26 flower