Currently broadcasting Crossword Clue

 You're right, the answer to the crossword clue "Currently broadcasting" is LIVE.

On the Air and Now can also be used to describe a program or event that is currently broadcasting, but Live is the most specific and accurate answer.

I apologize for my previous response. I am still under development and learning to provide the best possible answers to your questions. I appreciate your feedback and will try my best to avoid making similar mistakes in the future.