304X1 NAVAIDS PUZZLE

12345678910111213141516171819202122232425
Across
  1. 2. A type of digital logic
  2. 7. A type of modulaton
  3. 9. A parasitic element
  4. 10. NDB transmitter cirucit tuner
  5. 14. A type of antenna
  6. 15. type of navigation signal detector
  7. 17. A relay with built in switches
  8. 18. simultaneous transmit and receive
  9. 20. A morse code signal
  10. 22. Another term for width or clearnace
  11. 24. VOR sideband generator
  12. 25. Radio range antenna tower
Down
  1. 1. Type of TACAN pulses
  2. 3. VOR monitor alarm tube
  3. 4. MRN ILS trailer heater
  4. 5. 5 element tube
  5. 6. A type of tube without wire leads
  6. 8. A comparison of wave relationships
  7. 11. Forward energy flow
  8. 12. ninety degrees
  9. 13. Tube with metal surface grounded
  10. 16. A type of fastener
  11. 19. Common type of antenna
  12. 21. Marker beacon used with radio ranges
  13. 23. An amplitude and direction