Not broadcasting (3-3)
I believe the answer is:
off-air
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not broadcasting</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for off-air that I've seen before include "Taped from broadcast" , "(Recorded) from radio" , "Not broadcast(ing)" .)