I did this question too at 3 AM and damn it: it was really tough and ackward. I' d expect these sort of question during the exam. nasty
At the end of the day: if the number of radio increased and the receiving programs more or less are the same, then the same programs do not reach the entire number of radios.
This is the gist of the argument. People are stressed out on words such as : few if any (clearly means 1 or zero, in a nutshell) losing focus on what really the argument is.
Gmat is really crazy
KUDOS is the good manner to help the entire community.