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RF Cafe Engineering Crossword Puzzle w/Weekly Headlines
October 8, 2017

For the sake of avid cruciverbalists amongst us, each week I create a new engineering and technology themed crossword puzzle, mathematics, chemistry, physics, and other technical words. At least 10 clues in this puzzle with an asterisk (*) are pulled from this past week's (10/2 - 10/6) "Tech Industry Headlines" column on the RF Cafe homepage. Enjoy!

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

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

1. North Korea Said to Be Aggressively _______ BBC Korean Language Service *

6. Nobel Prize for _______ Awarded to Gravitational Wave Pioneers *

11. Unit for 1,000 watt-seconds (abbr.)

12. European equivalent to the U.L.

13. Flash caused by an electric current ionizing a gas or vapor

15. Morse Code for "from"

16. Opposite of a LO

17. Opposite of O.D.

19. Multiplies out a factored expression

22. Semiconductor and calculator company (abbr.)

23. Thing in a bill of material

25. Cellular Digital Packet Data

26. Chemical symbol for californium

27. Adjusts

28. Unit of length (abbr.)

29. Readability, Signal, and Tone (QoS report type)

30. Chemical symbol for erbium

31. Chemical symbol for copper

33. Powers pneumatic devices

35. Mate to a TX

36. Senate Confirms FCC Chairman 2 Down + ___ for 2nd Term

37. Chemical symbol for neon

39. Impurity in a semiconductor

40. Added two or more inputs

41. Morse Code for "from"

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

43. A measure of receiver quality (abbr.)

44. Output intercept point (abbr.)

46. Chemical symbol for lithium

48. Chemical symbol for arsenic

49. Unit of admittance

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

52. A Ham station that operates from several grid squares or counties during a contest

53. Part of a FOR loop

54. ____ Meet, a Ham's flea market

56. The shortest-duration modulation state in a spread spectrum system

58. One port of an amplifier

59. Put a new program on a computer

63. 1/000 of an amp (abbr.)

64. Sound frequency in the human hearing range (abbr.)

65. Chemical symbol for nobelium

66. 3-phase transformer configuration

67. Chemical symbol for tin

69. Chemical symbol for radium

71. The "D" in DAC

72. A famous LEO satellite constellation (originally to be 77 satellites)

1. Type of flip flop

2. Senate Confirms FCC Chairman ____ + 36 Across for 2nd Term *

3. Unit of frequency (archaic, abbr.)

4. U.K. equivalent of the IEEE

5. Key feature in a high level overvoltage protection device

6. The cell band above DCN

7. 36 in. (abbr., pl.)

8. Chemical symbol for selenium

9. Monthly ____ Sales Hit $35B for 1st Time *

10. Chemical symbol for silicon

14. Spike in Airborne ____________ Detected in Europe *

18. Digital Enhanced Cordless Telephone

20. An abbreviation for "transmitter"

21. The "D" in CD

22. Time Division Multiple Access

24. 300 kHz to 3 MHz

25. Centimeter (abbr.)

29. 57 Down + President: Traditional Aspects of Ham _____ May Not Be Attractive to Newcomers *

30. Microsoft _____ Update to Make Spreadsheets Smarter *

32. Balun with both ports unbalanced (pl.)

34. Massive Fine for Florida Pirate _____ Operator *

35. Positive voltage lead color

38. Why Faraday's Law and Lorentz Force Create the Same ___ *

45. Semiconductor Industry Backs Trump's Tax Reform ____ *

47. Its chemical symbol is Fe

48. Ham radio organization (abbr.)

49. Megohm (abbr.)

51. Min-to-max voltage of a waveform (abbr.)

53. Coefficient of temperature (abbr.)

55. Refers to the IEEE802.11 networks (abbr.)

57. ____ President: Traditional Aspects of Ham + 29 Down May Not Be Attractive to Newcomers *

59. Newest buzz phrase for ubiquitous remote control and monitoring of everything (abbr.)

60. Shortwave listener (abbr.)

61. Anatech Electronics Inc., (abbr.)

62. Family of ICs with a certain component density level (abbr.)

64. Analog-to-Digital (abbr.)

65. Chemical symbol for nickel

68. Chemical symbol for neodymium

70. Modulation type (abbr.)

See solution below


2017 Crosswords Archive

Visit the Crossword Express website - RF CafeTake a well-deserved break and try 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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