| Answer | Crossword Clue |
|---|---|
| OVER | Radio message ending |
| OVER | Message ending on a two-way radio |
| AEROGRAM | Radio message |
| SOS | Radio message |
| SOS | Radio message. |
| OVER | Radio-message ender |
| OVER | Radio message ender |
| OVER | Radio-message "period" |
| SOS | Terse radio message |
| APB | Police radio message: Abbr. |
| ATEST | "This is only ...!" (radio message) |
| ATEST | "This is only ..." (radio message) |
| WILCO | Compliant response to a radio message |
