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Amateur Radio Crossword Puzzle
April 27, 2014

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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A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.


December 28

December 21

December 14

December 7

November 30

November 23

November 16

November 9

November 2

October 26

October 19

October 12

October 5

September 28

September 21

September 14

September 7

August 31

August 24

August 17

August 10

August 3

July 27

July 20

July 13

July 6

June 29

June 22

June 15

June 8

June 1

May 25

May 18

May 11

May 4

April 27

April 20

April 13

April 6

March 30

March 23

March 16

March 9

March 2

February 23

February 16

February 9

February 2

January 26

January 19

January 12

January 5

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

Amateur Radio Crossword Puzzle for April 27, 2014 - RF Cafe


1. The stationary part of a motor

4. Physically connected group of parts

8. Scheme to maintain proper frequency (abbr.)

10. 10 decibels

11. _____ + 16 Down + 42 Across: founder of the ARRL

13. Communication between stations by reflecting the radio waves off of the ionosphere

15. Longitudinal shape-forming structural element

17. First name of a British scientist of falling apple fame

18. A common battery cell size

19. The amount of matter that a body contains

21. European equivalent to the U.L.

22. Abbreviation for minimum voltage

23. Strong cable covering

25. Reduction-oxidation (abbr.)

27. Chemical symbol for thallium

28. Cellphone band below PCS

29. Moon of Saturn discovered in 1789

32. Chemical symbol for dysprosium

33. Chemical symbol for polonium

34. Chemical symbol for gadolinium

35. Reliability measure

37. Ham radio organization (abbr.)

38. Galilean moon

40. Satellite of Jupiter discovered by Galileo

41. Opposite of a LO

42. 11 Across + 16 Down + _____: founder of the ARRL

43. Minutes of Use (abbr.)

44. Opposite of O.D.

45. Theoretical

47. Provider of services for telecommunications systems in Switzerland (abbr.)

49. Chemical symbol for aluminum

50. Chemical symbol for platinum

51. Electrical unit of potential difference

53. Unit of time (abbr.)

54. The stuff in the solder core

56. Length times width

59. Adjust a pot

61. Front end of a rocket (pl.)

62. Ham's code for "What is your location?"

64. Temporary Engineering Change document (abbr.)

66. Competitive event where Hams ply their skills against each other for points (pl.)

67. Internet's most popular radio frequency website (2 ltrs. + 1 wd.)

1. Miniature threaded RF connector (pl.)

2. Prefix meaning temperature-related

3. Chemical symbol for radium

4. Asynchronous Communication Interface Adapter (abbr.)

5. Separated by specific distances

6. Chemical symbol for molybdenum

7. Constellation : The lion

9. Type of spread spectrum that does not use direct sequence spreading (abbr.)

10. Stock symbol for Boeing

12. Radio Amateur Civil Emergency Service (abbr.)

13. Amateur radio enthusiast

14. Its chemical symbol is Pd

16. 11 Across + _____ + 42 Across: founder of the ARRL

17. Network department (abbr.)

18. Capacitor manufacturer

20. Cable covered by strong jacket

23. Acts of summation

24. 1E6 nanoseconds

25. Line extending out from center

26. _______ noise matching

30. Chemical symbol for magnesium

31. 3 MHz to 30 MHz

33. Chemical symbol for praseodymium

36. Part of a FOR loop

37. Modulation type (abbr.)

39. Shorthand for oxygen

41. Robert _____ - developed a mathematical rule for determining spring forces

42. Joins a male and a female connector

43. Unit of frequency (archaic, abbr.)

45. Precision landing system (abbr.)

46. Type of reconfigurable memory (abbr., pl.)

48. Energy at rest

49. Antenna (abbr.)

51. Tool for holding parts while working on them

52. Switch position

55. Adjusts a pot

57. Chemical symbol for rhodium

58. Nearest and furthest points to the center of gravitational attraction for a body in orbit

60. Engineering Change Order (abbr.)

63. Network department (abbr.)

65. Chemical symbol for chromium

See solution below

















Amateur Radio Crossword Puzzle Solution for April 27, 2014 - RF Cafe


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About RF Cafe

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    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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