Across
- 3. I am ready (to transmit, call CQ, do something with my radio)
- 4. sending sloppy Morse code
- 7. grid square
- 10. radio detection and ranging
- 11. fifth letter of the alphabet
- 12. back to you
- 13. conductor
Down
- 1. do you copy?
- 2. semiconductor
- 5. frequency modulation
- 6. vacuum tube
- 8. insulator
- 9. what ham's play with
- 13. calling any station