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RF Cafe Engineering & Science Crossword Puzzle
April 29, 2018

Each week, for the sake of all avid cruciverbalists amongst us, I create a new technology-themed crossword puzzle using only words from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, see someone or something in the exclusion list who or that is directly related to this puzzle's theme, such as Hedy Lamar or the Bikini Atoll, respectively. Enjoy!

cruciverbalist: [noun]  cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs crosswords.

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

RF Cafe Engineering & Science Crossword Puzzle April 29, 2018

1. A false signal produced in a superheterodyne receiver's circuitry (pl.)

5. Control language used by Hewlett Packard printers, abbr.

9. Broadband Signal Intrusion (abbr.)

10. Infrared (abbr.)

11. Uses a squeezing tool for attaching a wire lug

13. Chemical symbol for copper

14. Rate of a radar transmitter's output waveform (abbr.)

15. A coherent monochrome light source

16. Switch position

18. Units of heat

19. Chemical symbol for cobalt

20. Chemical symbol for cesium

21. Chemical symbol for nobelium

22. PC follower

23. Ferrimagnetic material having high electrical resistivity, used for inductors

26. Akin to WAC, only just in America

29. One component of a complex number (abbr.)

30. 2-element, 1/2 wavelength radiating structure fed at the center (2 wds.)

33. Chemical symbol for argon

34. The system than converts common website names to IP addresses (abbr.)

36. Did a Ctrl+Alt+Del

40. Add two or more inputs

42. Arithmetic Logic Unit (abbr.)

43. Undersampling

45. Precision landing system (abbr.)

47. Network department (abbr.)

50. An amateur station transmitting communications for the purpose of observation of propagation and reception or other related experimental activities (2 wds.)

53. Chemical symbol for niobium

55. Internet address (abbr.)

56. The "E" in TEM

58. Chemical symbol for nickel

59. 1e-6 mA

60. "Calling any amateur radio station"

61. Analog-to-Digital (abbr.)

62. High frequency semiconductor (abbr.)

63. Chemical symbol for silicon

64. Chemically reacted to harden

67. Ham's code for "What is the name of your station?"

68. Chemical symbol for selenium

69. Adjust the specification for temperature

71. Army-Navy specification prefix

72. BlackBerry or Palm for example (abbr.)

74. Internet addresses

75. Mr. Pascal's first name

1. Network department (abbr.)

2. Unit of processor calculation speed, abbr.

3. Image file format name extension

4. Chemical symbol for erbium

5. Stock symbol for Harris Communications

6. _____-wise linear

7. General Mobile Radio Service (abbr.)

8. Filter type that blocks upper frequencies (abbr.)

9. End-to-end joint

11. Chemical symbol for calcium

12. System for underwater navigation

13. 4 GHz to 8 GHz

15. Long Range Aid to Navigation

17. Front end of a rocket (pl.)

19. Chemical symbol for chromium

24. One of the "E"s in BSEE

25. Temperature sensitive semiconductor that has a negative temperature coefficient of resistance

27. BASIC program command

28. Last statement in a BASIC program

31. Chemical symbol for tantalum

32. Primary U.S. standards organization founded in 1918 (abbr.)

35. Hub of the solar system

36. Chemical symbol for radium

37. Voltage-current phase mnemonic

38. Illumination device

39. 10E1 numerical prefix

41. Chemical symbol for magnesium

44. Slow-scan television (abbr.)

46. Adjust a pot

48. Part of a FOR loop

49. Balun with both ports unbalanced (pl.)

51. Rechargeable battery type (abbr.)

52. Undesirable background information

54. Stranded shield in coax cable

56. Exactly the same in mathematics

57. Time delay (abbr.)

58. American space agency (abbr.)

60. Co-channel rejection ratio (abbr.)

62. Key feature in a high level overvoltage protection device (pl.)

65. A common RS-232 serial bus command (abbr.)

66. BS__ - the degree held by many RF Cafe visitors

67. Ham's code for "Answer in prearranged order."

70. Chemical symbol for europium

71. Chemical symbol for aluminum

73. Morse Code for "from"

See solution below


2018 Crosswords Archive
Visit the Crossword Express website - RF CafeTake a break from the drudgery by trying your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called " Magnum Opus") software.

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RF Cafe Engineering & Science Crossword Solution April 29, 2018

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