| Radio carrier | 13 |
| Radio CD players | 16 |
| Radio censor's sound | 24 |
| Radio character | 15 |
| Radio character voiced by John Todd | 35 |
| Radio character voiced by Orson Welles | 38 |
| Radio character who "knows" | 37 |
| Radio characters from Bismarck? | 31 |
| Radio chatter? | 14 |
| Radio choice | 12 |
| Radio choices | 13 |
| Radio choices: Abbr. | 20 |
| Radio City letters | 18 |
| Radio City Music Hall feature | 29 |
| Radio City Music Hall fixture | 29 |
| Radio City Music Hall style | 27 |
| Radio City's architectural style | 36 |
| Radio City, for one | 19 |
| Radio clown and actor Pickens | 29 |
| Radio code for "A" | 28 |
| Radio code sound | 16 |
| Radio code word | 15 |
| Radio comedian Allen | 20 |
| Radio comedian dubbed "The Perfect Fool" | 50 |
| Radio comic Joe | 15 |
| Radio component | 15 |
| Radio components | 16 |
| Radio converting device | 23 |
| Radio Corp. of America, briefly | 31 |
| Radio Corporation of America, for short | 39 |
| Radio countdown host Casey | 26 |
| Radio couple at 79 Wistful Vista | 32 |
| Radio deejay's supply, once | 31 |
| Radio designation | 17 |
| Radio device | 12 |
| Radio dial | 10 |
| Radio dial letters | 18 |
| Radio dials | 11 |
| Radio divisions | 15 |
| Radio DJ Rick | 13 |
| Radio Dr. | 9 |
| Radio drama "of mother love sacrifice" | 48 |
| Radio enthusiast | 16 |
| Radio equipment | 15 |
| Radio executive Karmazin | 24 |
| Radio factor | 12 |
| Radio faddist | 13 |
| Radio favorite of yore | 22 |
| Radio feature | 13 |
| Radio feature, sometimes | 24 |
| Radio features | 14 |
| Radio Fibber | 12 |
| Radio figure who co-wrote "Two Guys Four Corners" | 59 |
| Radio Flyer filled with weapons, pornography, etc.? | 51 |
| Radio Flyer toy | 15 |
| Radio Flyer, e.g. | 17 |
| Radio flyers? | 13 |
| Radio format | 12 |
| Radio format (Abbr.) | 20 |
| Radio format, for short | 23 |
| Radio Free ___ | 14 |
| Radio frequency | 15 |
| Radio frequency initials | 24 |
| Radio frequency regulating org. | 31 |
| Radio gadget | 12 |
| Radio game show with a panel of gifted children | 47 |
| Radio geek | 10 |
| Radio genre | 11 |
| Radio giant | 11 |
| Radio gp. | 9 |
| Radio Hall of Fame inductee Kay | 31 |
| Radio Hall-of-Famer Rick | 24 |
| Radio head | 10 |
| Radio host Boortz | 17 |
| Radio host Carolla | 18 |
| Radio host Don | 14 |
| Radio host Garrison | 19 |
| Radio host Gibbons | 18 |
| Radio host Glass | 16 |
| Radio host Hansen | 17 |
| Radio host John | 15 |
| Radio host Limbaugh | 19 |
| Radio host of note | 18 |
| Radio host Schlessinger | 23 |
| Radio host who often wears cowboy hats | 38 |
| Radio host who said "My goal is to goad people into saying something that ruins their life" | 101 |
| Radio host who said of U2: "These guys are from England and who gives a shit?" | 88 |
| Radio host's breakup line? | 30 |
| Radio host's exhortation | 28 |
| Radio host/pianist John | 23 |
| Radio hostess Hansen | 20 |
| Radio hosts' medium | 23 |
| Radio iconoclast | 16 |
| Radio identification | 20 |
| Radio innovator | 15 |
| Radio interference | 18 |
| Radio interviewer's need | 28 |
| Radio is part of it | 19 |
| Radio item | 10 |
| Radio jock Don | 14 |