Spectators Balcony (Spotters Corner)If you're not a professional pilot but want to discuss issues about the job, this is the best place to loiter. You won't be moved on by 'security' and there'll be plenty of experts to answer any questions.
The Bo105 works City Tower on 118.075MHz as "Red Bull 105". I imagine the racers are similar as they are in the LCY circuit to all intents and purposes.