Note: Impossible to answer unless you define exactly what you mean by " radio 5". Did you mean BBC Radio 5 in the UK? If so did you mean Satellite or land based Broadcasts? For land based...
1,2,5,8,9. The mean is the average found by summing the numbers, then dividing by how many numbers that you have. So any 5 numbers that sum to 25 will do. Example: 1,2,3,4,15; or 5,5,5,5,5