CQ CQ CQ: A Ham Radio Crossword Puzzle

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Across
  1. 2. Popular speaker brand
  2. 3. An anonymous VPN protocol
  3. 5. 40 meters, 2 meters, or 70 centimeters
  4. 8. Amateur radio operators, colloquially
  5. 9. I-35 in Kansas, I-90 in Massachusetts, I-44 in Oklahoma, and I-76 in Pennsylvania (abbrev.)
  6. 11. Yellowfin in "KH6-land"
  7. 13. Pass this to get your license!
  8. 14. This provides in-circuit debugging functionality in CPUs (abbrev.)
  9. 18. When two waves are synced and the same, they are in ___
  10. 19. Ham operators' "cousins," with their own bands
  11. 21. Workers
  12. 23. High-acuity hospital care area (abbrev.)
  13. 24. Ginger ___, a popular soft drink
  14. 25. Not quite a ragchew
  15. 26. The National Association for Amateur Radio in the US
  16. 27. Algeria, Egypt, Iraq, Jordan, and Qatar belong to this region, according to the UN
  17. 29. "QRZ, is the ___ in use?"
  18. 30. Kudos with clinks
  19. 31. Those tiny things that plug into boards
  20. 34. Class of license, or perhaps an operator at W2KGY?
  21. 36. ___Vac batteries
  22. 38. The "U" in UHF
  23. 39. Certain experienced IBM programmers
  24. 41. A naval petty officer
  25. 42. "Speed" of an engine (abbrev.)
  26. 45. Operates portable across grid squares
  27. 47. QRN or QRM
  28. 50. Handed out, as cards
  29. 51. Common lot size
  30. 52. Hare of ARRL and Snyder of W1YU
  31. 53. Professional association for certain engineers (abbrev.)
  32. 54. CW speed (abbrev.)
  33. 56. Poor location to string up your antenna
  34. 57. Spatial Web standard enabling interoperable hardware-software connections (abbrev.)
  35. 60. Skip, Reverse, Draw Two, or Wild
  36. 62. ITU phonetic alphabet word for "H"
  37. 63. Radio relay stations
  38. 66. System that warms or cools indoor spaces (abbrev.)
  39. 67. Upper bound of safe exposure as defined by NIOSH
Down
  1. 1. Started the poker pot
  2. 2. "Uncle Miltie" on old radio programs
  3. 3. Don't stub this on your boat anchor!
  4. 4. A multiple of your operating frequency
  5. 6. These can take your antenna down
  6. 7. Communications officer on the USS Enterprise
  7. 8. Old-fashioned "go quickly"
  8. 10. Modulation of a carrier freq. in discrete steps
  9. 12. Major manufacturers Icom, Kenwood, and ___
  10. 15. Common sight on observatories or cathedrals
  11. 16. Label (your equipment with a fine drill or laser)
  12. 17. Helper (abbrev.)
  13. 18. Letter-writing friends
  14. 20. "When All ___ Fails®”
  15. 22. Where to find answers on the Web, or in a specs manual (abbrev.)
  16. 24. Puppy sounds
  17. 25. Canadian slang for the NHL, or character in "The Road to El Dorado"
  18. 27. "Far-out" amateur communications type
  19. 28. US government space program
  20. 32. Dirección de Argentina a Estados Unidos
  21. 33. Sea, in "F-land"
  22. 35. Higher ones are more skin-protective on ARRL Field Day (abbrev.)
  23. 37. "Above the ___ plain!"
  24. 39. Ten-Tec made a model 555 of this popular rig
  25. 40. Official program name of the space shuttle (abbrev.)
  26. 42. Defeats badly
  27. 43. Graduate degree in STEM
  28. 44. To treat one's radio gear poorly
  29. 46. Ed White accomplished this US space first (abbrev.)
  30. 47. Saltpeter
  31. 48. What a guy does for a tower — or a radio net — in an emergency
  32. 49. ___ de Forest, inventor of the triode vacuum tube
  33. 55. State in "7" territory
  34. 56. Nitrogenous compound in fertilizer
  35. 58. A kind of ducting on VHF and UHF
  36. 59. Relating to the northern-most or southern-most regions on Earth
  37. 61. Ire
  38. 64. Greek letter denoting the efficiency of a system, in electronics
  39. 65. To catch sight of