Across
- 2. On-air radio contact
- 5. Operator responsible for station
- 6. Standing wave ratio, antenna efficiency
- 7. Reduces background noise
- 9. Modes like FT8 and RTTY
- 10. Frequency modulation, common on VHF
- 12. Types of communication (FM, CW, etc.)
- 13. Amateur radio operator term
- 15. Federal Communications Commission, radio regulation
- 16. Allowed in times of disaster
- 20. Unique operator identification
- 22. Extends communication range
- 24. 2 Technician license exam content
- 25. Experienced mentor for new hams
- 27. Regularly scheduled group communication
- 28. Band where operators transmit
- 31. Converts signals to radio waves
- 33. Key electrical concept for radios
- 35. Long-distance communication contacts
- 36. How signals travel through air
Down
- 1. Legal output power restrictions
- 3. Natural interference (e.g., lightning)
- 4. Safety measure for equipment
- 7. Direct radio-to-radio communication
- 8. High frequency for long-distance contacts
- 9. Signal strength measurement
- 11. Permission to operate radios
- 14. Frequency allocation guide
- 17. Region-based call sign prefix
- 18. Low power operation technique
- 19. Handling radio equipment properly
- 21. Sign-off meaning "best regards"
- 23. Picking up radio signals
- 26. Interference from other stations
- 29. Ultra high frequency range
- 30. Cable connecting radio to antenna
- 32. Sending radio signals
- 33. Very high frequency range
- 34. Records of contacts made
- 37. Unit of electrical resistance