Hamcross 2

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Across
  1. 1. Numbers used for signal reports
  2. 3. One or two letters sent as a single character
  3. 4. Power of a signal at its largest peak
  4. 5. The ability to oppose an electric current
  5. 10. Propagation in a straight line
  6. 12. Sum or difference frequencies generated when an RF carrier is mixed
  7. 14. Operating mode on the 40, 80 and 160-meters
  8. 15. Electronic test instrument
  9. 16. Signals sent from one teleprinter to another
  10. 18. Dark spots on the sun
  11. 20. Divide by 1,000,000
  12. 22. Divide by 1,000,000,000,000
  13. 23. 1,000,000
Down
  1. 1. Transceiver
  2. 2. Vary the amplitude, frequency, or phase
  3. 3. Electrical-field characteristic of a radio wave
  4. 4. Voice communications
  5. 6. Disturbance to electronic equipment
  6. 7. The rate of energy consumption
  7. 8. To detect weak signals
  8. 9. Room for equipment
  9. 11. Separate two closely spaced signals
  10. 12. Transmitter is overmodulated
  11. 13. Impedance match
  12. 17. To connect two parts of a circuit
  13. 19. Same frequency reception and transmission
  14. 21. Unit of electrical resistance