| Answer | Crossword Clue |
|---|---|
| CODE | Secret signal system. |
| CODE | Secret signal |
| GIVETHEHIGHSIGN | Warn with a secret signal |
| RADAR | Signal system. |
| LORAN | Signal system. |
| PREAMP | Stereo system signal booster |
| Answer | Crossword Clue |
|---|---|
| CODE | Secret signal system. |
| CODE | Secret signal |
| GIVETHEHIGHSIGN | Warn with a secret signal |
| RADAR | Signal system. |
| LORAN | Signal system. |
| PREAMP | Stereo system signal booster |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.