Audio at the races? Going to Silverstone next week.

I read elsewhere that the audio is on the radio. I am new to reddit so I am trying to find that post again-meanwhile- can anyone confirm this and if so- what station. I would actually buy a radio so I could listen to the audio while at the race-

I read elsewhere that the audio is on the radio. I am new to reddit so I am trying to find that post again-meanwhile- can anyone confirm this and if so- what station. I would actually buy a radio so I could listen to the audio while at the race- http://ifttt.com/images/no_image_card.png